Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Washington, D.C. from C$ 191

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — WAS
25 Apr — 2 May1
1 adult
Thu 25/4
Thu 2/5

The best prices from Seattle/Tacoma Intl to Washington, D.C. are usually found in January or February, booked 42 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from Seattle to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 April 2024.

Popular in

June

Cheapest in

January

Round-trip from

C$ 361

One-way from

C$ 211
High demand for flights, 25% potential price rise
Best time to find cheap flights, 35% potential price drop
From Seattle/Tacoma Intl to Washington, D.C. (WAS)
One-way flight from Seattle/Tacoma Intl to Washington, D.C. (WAS)

What is the cheapest day to fly round-trip from Seattle to Washington, D.C.?

Travellers have found that booking a Monday departure is the best way to save up to 25% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Seattle to Washington, D.C.?

Find a great deal and save up to 91% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Washington, D.C. within the next two weeks, with the cheapest ticket starting at C$ 534.

What is the cheapest month to fly from Seattle to Washington, D.C.?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Seattle in January are about C$ 553 on average during January, but can be found for as low as C$ 176.

When is the cheapest time to fly from Seattle to Washington, D.C. (SEA - WAS)?

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Seattle to Washington, D.C. by exploring options for tickets in the evening.

Cheap Sun Country Air flights from Seattle to Washington, D.C.

Explore cheap flight options specifically provided by Sun Country Air for the route between Seattle and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
Take a look at some of the lowest-priced Sun Country Air flights heading from Seattle to Washington, D.C.. It's recommended that users confirm their flight details before booking.
Sat 1/69:10 a.m.SEA - IAD
1 stop8h 37mSun Country Air
Sun 16/68:00 a.m.IAD - SEA
1 stop14h 40mSun Country Air
Deal found 18/4C$ 420
Fri 24/55:40 p.m.SEA - IAD
1 stop23h 42mSun Country Air
Sun 26/512:30 p.m.IAD - SEA
1 stop22h 25mSun Country Air
Deal found 19/4C$ 433
Sat 1/69:10 a.m.SEA - IAD
1 stop8h 37mSun Country Air
Wed 12/611:16 a.m.IAD - SEA
1 stop8h 26mSun Country Air
Deal found 18/4C$ 440
Sat 1/69:10 a.m.SEA - IAD
1 stop8h 37mSun Country Air
Mon 10/610:50 a.m.IAD - SEA
1 stop9h 18mSun Country Air
Deal found 18/4C$ 447
Sun 2/611:59 p.m.SEA - IAD
1 stop13h 32mSun Country Air
Wed 12/611:16 a.m.IAD - SEA
1 stop8h 26mSun Country Air
Deal found 18/4C$ 454
Sat 18/51:15 p.m.SEA - IAD
1 stop22h 12mSun Country Air
Sun 26/512:30 p.m.IAD - SEA
1 stop22h 25mSun Country Air
Deal found 19/4C$ 461
Sun 2/611:59 p.m.SEA - IAD
1 stop13h 32mSun Country Air
Fri 21/67:50 p.m.IAD - SEA
1 stop28h 18mSun Country Air
Deal found 18/4C$ 468
Sat 4/53:15 p.m.SEA - IAD
1 stop17h 27mSun Country Air
Thu 9/51:25 p.m.IAD - SEA
1 stop29h 45mSun Country Air
Deal found 20/4C$ 482
Thu 6/611:59 p.m.SEA - IAD
1 stop8h 44mSun Country Air
Tue 11/611:30 a.m.IAD - SEA
1 stop7h 45mSun Country Air
Deal found 19/4C$ 488

Cheap Delta flights from Seattle to Washington, D.C.

Explore cheap flight options specifically provided by Delta for the route between Seattle and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Seattle to Washington, D.C.. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 14/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Wed 15/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 381
Tue 4/610:22 p.m.SEA - IAD
Nonstop5h 04mDelta
Wed 12/67:30 a.m.IAD - SEA
Nonstop5h 44mDelta
Deal found 18/4C$ 422
Fri 7/69:55 p.m.SEA - IAD
Nonstop5h 05mDelta
Wed 12/67:30 a.m.IAD - SEA
Nonstop5h 44mDelta
Deal found 20/4C$ 431
Wed 29/58:35 a.m.SEA - IAD
Nonstop5h 09mDelta
Fri 31/57:35 a.m.IAD - SEA
Nonstop5h 45mDelta
Deal found 19/4C$ 471
Fri 10/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Tue 14/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 472
Mon 20/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Wed 29/56:18 a.m.IAD - SEA
1 stop10h 57mDelta
Deal found 19/4C$ 475
Wed 22/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Sat 25/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 477
Sat 18/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Sat 25/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 491
Mon 6/510:30 p.m.SEA - IAD
Nonstop4h 55mDelta
Wed 15/57:35 a.m.IAD - SEA
Nonstop5h 45mDelta
Deal found 19/4C$ 506

Cheap Seattle to Washington, D.C. flights in April & May 2024

Find cheap flight options from Seattle to Washington, D.C. specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 505,255 searches. Prices were last updated on 20 April 2024.
Scroll through some of the best deals on flights from Seattle to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.
Tue 14/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Wed 15/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 381
Tue 28/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Thu 30/57:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 389
Sun 19/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Sun 26/57:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 398
Fri 24/55:40 p.m.SEA - IAD
1 stop23h 42mSun Country Air
Sun 26/512:30 p.m.IAD - SEA
1 stop22h 25mSun Country Air
Deal found 19/4C$ 433
Tue 28/54:00 p.m.SEA - IAD
Nonstop4h 59mAlaska Airlines
Sun 2/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 436
Fri 24/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Sat 1/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 444
Tue 28/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Thu 30/56:05 p.m.IAD - SEA
1 stop8h 54mAlaska Airlines
Deal found 19/4C$ 449
Sat 25/54:00 p.m.SEA - IAD
Nonstop4h 59mAlaska Airlines
Thu 30/56:05 p.m.IAD - SEA
1 stop8h 54mAlaska Airlines
Deal found 20/4C$ 457
Sat 18/51:15 p.m.SEA - IAD
1 stop22h 12mSun Country Air
Sun 26/512:30 p.m.IAD - SEA
1 stop22h 25mSun Country Air
Deal found 19/4C$ 461

Seattle to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
Scroll through some of the best deals on flights from Seattle to Washington, D.C. in 2024. More deals are always being added, so be sure to check back regularly.
Tue 14/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Wed 15/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 381
Tue 28/54:00 p.m.SEA - IAD
Nonstop4h 59mAlaska Airlines
Sat 1/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 20/4C$ 389
Sun 19/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Sun 26/57:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 398
Sat 1/69:10 a.m.SEA - IAD
1 stop8h 37mSun Country Air
Sun 16/68:00 a.m.IAD - SEA
1 stop14h 40mSun Country Air
Deal found 18/4C$ 420
Tue 4/610:22 p.m.SEA - IAD
Nonstop5h 04mDelta
Wed 12/67:30 a.m.IAD - SEA
Nonstop5h 44mDelta
Deal found 18/4C$ 422
Sat 15/610:34 p.m.SEA - DCA
1 stop20h 25mFrontier
Tue 18/612:59 p.m.DCA - SEA
1 stop21h 10mFrontier
Deal found 19/4C$ 428
Fri 7/69:55 p.m.SEA - IAD
Nonstop5h 05mDelta
Wed 12/67:30 a.m.IAD - SEA
Nonstop5h 44mDelta
Deal found 20/4C$ 431
Fri 24/55:40 p.m.SEA - IAD
1 stop23h 42mSun Country Air
Sun 26/512:30 p.m.IAD - SEA
1 stop22h 25mSun Country Air
Deal found 19/4C$ 433
Tue 28/54:00 p.m.SEA - IAD
Nonstop4h 59mAlaska Airlines
Sun 2/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 436

Direct flights to Washington, D.C. from Seattle

Discover non-stop flight options from Seattle to Washington, D.C.. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
Take a look at some of the direct flights travelling from Seattle to Washington, D.C. in the near future. Those looking to potentially save on 1 or 2-stop flights from Seattle to Washington, D.C. should utilize the search form at the top of the page.
Tue 14/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Wed 15/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 381
Tue 28/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Sat 1/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 389
Sun 19/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Sun 26/57:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 398
Tue 4/610:22 p.m.SEA - IAD
Nonstop5h 04mDelta
Wed 12/67:30 a.m.IAD - SEA
Nonstop5h 44mDelta
Deal found 18/4C$ 422
Sat 1/68:35 a.m.SEA - IAD
Nonstop5h 10mDelta
Wed 12/67:30 a.m.IAD - SEA
Nonstop5h 44mDelta
Deal found 18/4C$ 431
Tue 28/54:00 p.m.SEA - IAD
Nonstop4h 59mAlaska Airlines
Sun 2/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 436
Sat 1/64:00 p.m.SEA - IAD
Nonstop4h 59mAlaska Airlines
Sun 2/67:00 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 444
Wed 29/511:28 p.m.SEA - IAD
Nonstop5h 12mAlaska Airlines
Mon 3/69:05 a.m.IAD - SEA
Nonstop5h 30mAlaska Airlines
Deal found 19/4C$ 471
Fri 10/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Tue 14/55:39 p.m.IAD - SEA
Nonstop5h 46mDelta
Deal found 19/4C$ 472

Seattle to Washington, D.C. flights leaving soon

Find last-minute flight options from Seattle to Washington, D.C. for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
Have a look at some of the last-minute flights available departing from Seattle to Washington, D.C.. It's wise to confirm all flight details are correct before booking.
Sun 28/411:45 p.m.SEA - IAD
1 stop8h 07mSun Country Air
Thu 2/511:50 a.m.IAD - SEA
1 stop8h 05mSun Country Air
Deal found 19/4C$ 544
Sat 27/410:00 a.m.SEA - IAD
Nonstop5h 04mAlaska Airlines
Mon 6/54:40 p.m.IAD - SEA
Nonstop5h 51mAlaska Airlines
Deal found 19/4C$ 740
Tue 30/412:35 a.m.SEA - IAD
1 stop7h 31mDelta
Sat 4/57:30 a.m.IAD - SEA
Nonstop5h 50mDelta
Deal found 19/4C$ 753
Mon 29/412:35 a.m.SEA - IAD
1 stop7h 31mDelta
Fri 3/57:30 a.m.IAD - SEA
Nonstop5h 50mDelta
Deal found 19/4C$ 806
Sat 27/412:35 a.m.SEA - IAD
1 stop7h 31mDelta
Mon 6/56:08 p.m.IAD - SEA
1 stop8h 46mDelta
Deal found 19/4C$ 820
Fri 26/47:35 a.m.SEA - IAD
Nonstop5h 05mAlaska Airlines
Fri 26/47:09 p.m.IAD - SEA
Nonstop5h 51mAlaska Airlines
Deal found 19/4C$ 841
Sat 27/48:55 a.m.SEA - IAD
Nonstop4h 55mDelta
Mon 29/45:45 p.m.IAD - SEA
Nonstop5h 53mDelta
Deal found 19/4C$ 849
Fri 26/47:35 a.m.SEA - IAD
Nonstop5h 05mAlaska Airlines
Fri 26/45:59 p.m.IAD - SEA
1 stop9h 00mAlaska Airlines
Deal found 19/4C$ 854
Fri 26/410:30 p.m.SEA - IAD
Nonstop4h 55mDelta
Sun 28/47:10 a.m.IAD - SEA
1 stop8h 16mDelta
Deal found 19/4C$ 861

One-way flights to Washington, D.C. from Seattle

Search for one-way flight options from Seattle to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
Take a look at some of the one-way flights we've detected from Seattle to Washington, D.C.. Those needing a return flight from Seattle to Washington, D.C. can use the search form above.
Tue 14/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Deal found 19/4C$ 191
Fri 31/511:59 p.m.SEA - IAD
1 stop17h 48mSun Country Air
Deal found 18/4C$ 197
Fri 10/54:03 p.m.SEA - IAD
Nonstop4h 56mAlaska Airlines
Deal found 19/4C$ 200
Sat 17/810:32 p.m.SEA - DCA
1 stop7h 00mAmerican Airlines
Deal found 19/4C$ 211
Sat 17/810:32 p.m.SEA - IAD
1 stop7h 04mAmerican Airlines
Deal found 19/4C$ 211
Fri 24/55:40 p.m.SEA - IAD
1 stop23h 42mSun Country Air
Deal found 20/4C$ 224
Wed 26/611:59 p.m.SEA - IAD
1 stop8h 21mSun Country Air
Deal found 18/4C$ 231
Wed 22/510:22 p.m.SEA - IAD
Nonstop5h 03mDelta
Deal found 19/4C$ 233
Tue 4/611:45 a.m.SEA - IAD
1 stop19h 36mSun Country Air
Deal found 19/4C$ 238

Find flights from Seattle to Washington, D.C. within your budget

Customize your flight search to find flights from Seattle to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 381 - C$ 531

Route

Depart

Return

Price

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 14/5

Nonstop5h 03m

Washington, D.C. Dulles Intl

Wed 15/5

Nonstop5h 46m

C$ 381

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 28/5

Nonstop4h 59m

Washington, D.C. Dulles Intl

Sat 1/6

Nonstop5h 30m

C$ 389

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sun 19/5

Nonstop5h 12m

Washington, D.C. Dulles Intl

Sun 26/5

Nonstop5h 30m

C$ 398

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Sat 1/6

1 stop8h 37m

Washington, D.C. Dulles Intl

Sun 16/6

1 stop14h 40m

C$ 420

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 4/6

Nonstop5h 04m

Washington, D.C. Dulles Intl

Wed 12/6

Nonstop5h 44m

C$ 422

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Sat 15/6

1 stop20h 25m

Washington, D.C. Reagan-National

Tue 18/6

1 stop21h 10m

C$ 428

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 24/5

1 stop23h 42m

Washington, D.C. Dulles Intl

Sun 26/5

1 stop22h 25m

C$ 433

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Mon 20/5

1 stop8h 11m

Washington, D.C. Reagan-National

Wed 29/5

1 stop9h 00m

C$ 502

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Tue 14/5

Nonstop5h 04m

Washington, D.C. Dulles Intl

Tue 21/5

1 stop9h 50m

C$ 531

Flights are sorted by cheapest first

Deals found on 19/4

When is the best time to book a flight from Seattle to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Washington, D.C.. Price data was last updated on 28 January 2024.
Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Seattle to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Washington, D.C.. Price data was last updated on 14 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Washington, D.C. flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Washington, D.C. by month

Plan your trip from Seattle to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Washington, D.C. is currently C$ 215 while a round-trip flight costs C$ 434. Price data was last updated on 14 April 2024.

Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. (average of C$ 251). Flying from Seattle to Washington, D.C. in July is currently the most expensive (average of C$ 380). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 384

February

C$ 354

March

C$ 387

April

C$ 384

May

C$ 461

June

C$ 486

July

C$ 523

August

C$ 477

September

C$ 345

October

C$ 373

November

C$ 425

December

C$ 367

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 20 April 2024.
Get a feel of what it's like to fly with Sun Country Air, Delta and Alaska Airlines from Seattle to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,204 reviews

Entertainment

7.9

Overall

8.2

Boarding

8.3

Comfort

8.1

Food

7.4

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,204 reviews
Southwest
8.2
Very good
6,204 reviews

Entertainment

7.9

Overall

8.2

Boarding

8.3

Comfort

8.1

Food

7.4

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
9,109 reviews
Southwest
8.2
Very good
6,204 reviews

Entertainment

7.9

Overall

8.2

Boarding

8.3

Comfort

8.1

Food

7.4

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,069 reviews
Southwest
8.2
Very good
6,204 reviews

Entertainment

7.9

Overall

8.2

Boarding

8.3

Comfort

8.1

Food

7.4

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.7
Good
4,665 reviews
Southwest
8.2
Very good
6,204 reviews

Entertainment

7.9

Overall

8.2

Boarding

8.3

Comfort

8.1

Food

7.4

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,325 reviews
Southwest
8.2
Very good
6,204 reviews

Entertainment

7.9

Overall

8.2

Boarding

8.3

Comfort

8.1

Food

7.4

Crew

8.7

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Seattle to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to Washington, D.C.?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Seattle/Tacoma Intl; the airport handles an average of 21 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Seattle airport to Washington, D.C.. It is only a 18.4 km journey to Seattle/Tacoma Intl (SEA) from Seattle’s city centre.

  • Can I find flights from Seattle to Washington, D.C. for under C$ 400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Washington, D.C. for under C$ 400. The cheapest flight booked recently is on Delta for just C$ 381, but on average you can expect to pay C$ 438.

  • Are there direct flights from Seattle to Washington, D.C. for under C$ 400 on Cheapflights?

    Cheapflights has 20 direct flights from Seattle to Washington, D.C. under C$ 400. A good price for a direct flight from Seattle to Washington, D.C. is less than C$ 477.

  • Are there last-minute flights available from Seattle to Washington, D.C. for under C$ 600?

    There are currently 20+ open flights from Seattle to Washington, D.C. within the next 7 days for less than C$ 600.

  • What days are direct flights available from Seattle to Washington, D.C.?

    You can find direct flights on the following days: Tuesday, Saturday.

  • How many flights depart from Seattle to Washington, D.C. on average per day?

    2 flight departures from Seattle to Washington, D.C. per day on average.
    Morning (6am - Midday) - 50% of flight departures
    Afternoon (Noon - 6pm) - 50% of flight departures

  • How long is the flight from Seattle to Washington, D.C.?

    Delta, Alaska Airlines, and Sun Country Air can get you from Seattle to Washington, D.C. in just under 4h 59m. Your travel time can differ by up to 3h 38m. The distance between Seattle and Washington, D.C. is about 3722 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Washington, D.C. round-trip?

    Currently priced at C$ 381, Delta will fly you from Seattle to Washington, D.C. and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Sun Country Air - these airlines can fly you to your destination from C$ 389 and C$ 420, respectively. These flights start at 31% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Washington, D.C. one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 191. Users have also found prices from C$ 197 and C$ 200 on Sun Country Air and Alaska Airlines, respectively.

  • What are the most reliable airlines from Seattle to Washington, D.C.?

    Before booking your flight to Washington, D.C. from Seattle, check out the most reliable airlines to get you to your destination on time: Iberia (100%), Korean Air (100%), Ethiopian Air( 96%).

  • What are the cheapest flights from Seattle to Washington, D.C.?

    Looking for the cheapest flight from Seattle to Washington, D.C.? While on average our users pay C$ 1,719, our data indicates the cheapest price to be C$ 383. The most popular route (Seattle/Tacoma Intl - Washington, D.C. Reagan-National), is priced around C$ 494.

  • What does SEA to IAD mean?

    Seattle/Tacoma Intl Airport is SEA and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Seattle to Washington, D.C. that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Seattle to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Washington, D.C..

  • Can I find deals for business class flights from Seattle to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Seattle to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Washington, D.C. that allow pets onboard?

    Many airlines flying from Seattle to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Washington, D.C.?

    Yes, you can often find last-minute deals on Seattle to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Washington, D.C. flight deals updated?

    The Seattle to Washington, D.C. flight deals you see on this page were last updated on 20/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Seattle to Washington, D.C.

Discover the top airline that operate flights from Seattle to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 505,255 searches. Data last updated 20 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 314AverageC$ 657FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from Seattle to Washington, D.C. by cabin class

Find flights from Seattle to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Seattle to Washington, D.C.

Find hourly flight availability from Seattle to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 April 2024.
7%of flight departuresEarly morningMidnight to 6 am
42%of flight departuresMorning6 am to noon
29%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Washington, D.C.

Explore weekly flight availability from Seattle to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 April 2024.
Sunday22daily flights
Monday23daily flights
Tuesday20daily flights
Wednesday21daily flights
Thursday20daily flights
Friday22daily flights
Saturday22daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Washington, D.C.?

When you search for this flight from Seattle to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Washington, D.C.?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Washington, D.C. for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Seattle to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.