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Cheap flights from Seattle to Baltimore from C$ 174

SEA — BWI
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Baltimore

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Baltimore

Mon 9/1111:15 p.m. -
1 stop9h 18m
Thu 26/116:00 a.m. -
1 stop9h 31m
Deal found 23/10C$ 436
Wed 11/111:35 p.m. -
1 stop6h 52m
Fri 20/117:15 a.m. -
1 stop8h 25m
Deal found 22/10C$ 439
Wed 18/116:10 a.m. -
2 stops10h 50m
Sun 22/117:05 p.m. -
1 stop8h 30m
Deal found 22/10C$ 440
Thu 12/116:00 a.m. -
1 stop9h 24m
Thu 19/117:08 a.m. -
1 stop10h 22m
Deal found 22/10C$ 449
Tue 10/114:40 p.m. -
2 stops10h 05m
Fri 13/115:20 p.m. -
2 stops10h 25m
Deal found 21/10C$ 453
Fri 13/115:59 p.m. -
1 stop9h 01m
Thu 26/116:00 a.m. -
1 stop9h 31m
Deal found 23/10C$ 456
Thu 19/116:00 a.m. -
1 stop9h 24m
Wed 2/1211:46 a.m. -
1 stop8h 24m
Deal found 21/10C$ 459
Mon 9/117:55 p.m. -
1 stop7h 05m
Sun 15/116:00 a.m. -
1 stop9h 36m
Deal found 21/10C$ 463
Mon 30/1111:47 p.m. -
1 stop8h 05m
Sat 5/127:00 a.m. -
1 stop10h 38m
Deal found 20/10C$ 466
Thu 12/117:55 a.m. -
1 stop11h 00m
Thu 19/1111:55 a.m. -
2 stops12h 45m
Deal found 21/10C$ 467
Sat 21/1110:50 a.m. -
1 stop7h 52m
Thu 26/116:10 a.m. -
2 stops13h 16m
Deal found 20/10C$ 468
Thu 26/116:00 a.m. -
1 stop8h 25m
Wed 9/1211:46 a.m. -
1 stop8h 24m
Deal found 20/10C$ 471

Find flight deals from Seattle to Baltimore

Round-trip from

C$ 436

One-way from

C$ 174

Popular in

July

Cheapest in

February

Average price

C$ 752
Delta
  • Delta
  • 10/11-26/11
  • 2 total stops
  • 18h 35m total
  • Seattle to Baltimore
Search Deals
United Airlines
  • United Airlines
  • 10/11-31/12
  • 1 total stop
  • 7h 52m total
  • Seattle to Baltimore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Thu 3/12

11:50 a.m.-11:44 p.m.

1 stop8h 54m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 181

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Sat 5/12

1:05 p.m.-11:35 p.m.

1 stop7h 30m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 181

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Wed 9/12

5:40 a.m.-6:10 p.m.

2 stops9h 30m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 188
Quickest round-trip

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Sat 5/12

9:05 a.m.-5:00 p.m.

Nonstop4h 55m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 215

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Mon 21/12

9:39 p.m.-5:41 a.m.

Nonstop5h 02m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 215

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Thu 3/12

9:40 p.m.-5:37 a.m.

Nonstop4h 57m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 215

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Tue 10/11

6:10 a.m.-8:00 p.m.

2 stops10h 50m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 219

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Fri 4/12

7:00 a.m.-7:30 p.m.

1 stop9h 30m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 230

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Sun 15/11

5:59 p.m.-6:00 a.m.

1 stop9h 01m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 254

SeattleBaltimore

SEA Seattle/Tacoma Intl - BWI Baltimore/Washington

SEABWI

Seattle/Tacoma Intl

Sun 10/1

4:35 p.m.-5:35 a.m.

2 stops10h 00m

Baltimore/Washington

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 289

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Baltimore

How far ahead should I book a flight from Seattle to Baltimore?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Baltimore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Baltimore?

Currently, February is the cheapest month in which you can book a flight from Seattle to Baltimore (average of C$ 473). Flying from Seattle to Baltimore in July is currently the most expensive (average of C$ 804). 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.

What is the cheapest time of day to fly from SEA to BWI?

When flying from Seattle to Baltimore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Seattle to Baltimore?

Airfare is below average for this route at the moment.

Seattle to Baltimore flights typically cost between C$ 487 and C$ 896 in November.
The cheapest round-trip price found within the last 5 days was C$ 436 on Delta (9 Nov-26 Nov).

Reviews of airlines servicing Baltimore

Read reviews from past customers who have flown Alaska Airlines from Seattle to Baltimore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
13,111 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
13,111 reviews
Alaska Airlines
7.9
Good
13,111 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

  • How popular is this Seattle to Baltimore flight route?

    Within the past month, 2 users have taken a look at flights from Seattle/Tacoma Intl to Baltimore/Washington.

  • How long is the flight from Seattle to Baltimore?

    Airlines like Southwest, United Airlines, and Delta fly from Seattle to Baltimore in about 7h 06m. The time it takes to get you to your destination can typically vary by up to 4h 32m. Seattle and Baltimore are separated by a distance of 3745 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seattle to Baltimore round-trip?

    Alaska Airlines, at C$ 279, was found to be the cheapest airline from Seattle to Baltimore.. Users have found that Alaska Airlines is 56% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Seattle to Baltimore?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Baltimore on time: Cathay Pacific (92%), Alaska Airlines (82%), Southwest (78%).

  • Can I find deals for flights from Seattle to Baltimore that include hotel bookings?

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

  • How can I find direct flights from Seattle to Baltimore?

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

  • Can I find deals for business class flights from Seattle to Baltimore?

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

  • What is the cheapest month to book a flight from Seattle to Baltimore?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Baltimore (average of C$ 473). Flying from Seattle to Baltimore in July is currently the most expensive (average of C$ 804). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Baltimore

Seattle to Philadelphia flights
Seattle to Dulles Intl flights
Seattle to Reagan-National flights

Top airline flying from Seattle to Baltimore

AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 279AverageC$ 795FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Baltimore?

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Need flexible booking options for your flight to Baltimore from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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