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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 165

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in October or September, booked 58 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Seattle to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dallas/Fort Worth (DFW). 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 29 July 2025.

Round-trip from

C$ 239

One-way from

C$ 165

Popular in

December

Cheapest in

October

Average price

C$ 407

Good round-trip deal

C$ 173 or less

Good one-way deal

C$ 253 or less
Alaska Airlines
  • Alaska Airlines
  • 30/10-31/10
  • Nonstop
  • 8h 28m total
  • Seattle to Dallas
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Hawaiian Airlines
  • Hawaiian Airlines
  • 23/8
  • Nonstop
  • 4h 02m total
  • Seattle to Dallas
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Highest demand for flights based on searches. 3% potential increase in price (C$ 15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Dallas/Fort Worth.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Dallas/Fort Worth.
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Find flight deals from Seattle to Dallas/Fort Worth

Cheapest flights from Seattle to Dallas/Fort Worth
Explore the most affordable flight options available from Seattle to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Thu 30/1012:58 a.m.SEA - DFW
Nonstop3h 57mAlaska Airlines
Fri 31/1010:00 a.m.DFW - SEA
Nonstop4h 31mAlaska Airlines
Deal found 28/7C$ 239
Fri 29/812:33 a.m.SEA - DFW
Nonstop4h 02mHawaiian Airlines
Tue 2/98:20 a.m.DFW - SEA
Nonstop4h 20mHawaiian Airlines
Deal found 29/7C$ 272
Wed 20/85:50 p.m.SEA - DFW
Nonstop3h 54mDelta
Tue 26/87:13 a.m.DFW - SEA
Nonstop4h 22mDelta
Deal found 27/7C$ 314
Tue 26/811:58 p.m.SEA - DFW
1 stop7h 05mUnited Airlines
Tue 2/95:25 p.m.DFW - SEA
1 stop7h 27mUnited Airlines
Deal found 29/7C$ 325
Fri 24/109:24 a.m.SEA - DFW
Nonstop4h 08mMultiple Airlines
Fri 24/108:39 p.m.DFW - SEA
Nonstop4h 29mMultiple Airlines
Deal found 28/7C$ 346
Fri 24/109:24 a.m.SEA - DFW
Nonstop4h 08mFrontier
Fri 24/1010:30 p.m.DFW - SEA
1 stop28h 01mFrontier
Deal found 28/7C$ 350

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Dallas/Fort Worth 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 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Seattle to Dallas/Fort Worth Airport that are best for you.

Fly from

Seattle

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 30/10

12:58 a.m.-6:55 a.m.

Nonstop3h 57m

Dallas/Fort Worth

Fri 31/10

10:00 a.m.-12:31 p.m.

Nonstop4h 31m

C$ 239

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 29/8

12:33 a.m.-6:35 a.m.

Nonstop4h 02m

Dallas/Fort Worth

Tue 2/9

8:20 a.m.-10:40 a.m.

Nonstop4h 20m

C$ 272

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 20/8

5:50 p.m.-11:44 p.m.

Nonstop3h 54m

Dallas/Fort Worth

Tue 26/8

7:13 a.m.-9:35 a.m.

Nonstop4h 22m

C$ 314

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 26/8

11:58 p.m.-9:03 a.m.

1 stop7h 05m

Dallas/Fort Worth

Tue 2/9

5:25 p.m.-10:52 p.m.

1 stop7h 27m

C$ 325

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 24/10

9:24 a.m.-3:32 p.m.

Nonstop4h 08m

Dallas/Fort Worth

Fri 24/10

8:39 p.m.-11:08 p.m.

Nonstop4h 29m

C$ 346

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 24/10

9:24 a.m.-3:32 p.m.

Nonstop4h 08m

Dallas/Fort Worth

Fri 24/10

10:30 p.m.-12:31 a.m.

1 stop28h 01m

C$ 350

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 23/8

6:00 a.m.-12:02 p.m.

Nonstop4h 02m

C$ 165

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 19/8

2:00 p.m.-4:40 a.m.

1 stop12h 40m

C$ 170

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 6/10

11:40 p.m.-9:54 a.m.

1 stop8h 14m

C$ 178

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 25/12

5:59 p.m.-11:53 p.m.

Nonstop3h 54m

C$ 199

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 12 results
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Best time to book a flight from Seattle to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Dallas/Fort Worth Airport

How far ahead should I book a flight from Seattle to Dallas/Fort Worth Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Dallas/Fort Worth. Price data was last updated on 25 July 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Dallas/Fort Worth Airport. 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 Dallas/Fort Worth Airport?

Currently, July is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of C$ 472). Flying from Seattle to Dallas/Fort Worth Airport in December is currently the most expensive (average of C$ 529). 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 DFW?

Find hourly flight availability from Seattle to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Seattle to Dallas/Fort Worth Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Dallas/Fort Worth. Price data was last updated on 27 July 2025.

Travelers seeking maximum savings on their Seattle to Dallas/Fort Worth Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Dallas/Fort Worth Airport

Explore weekly flight availability from Seattle to Dallas/Fort Worth. 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 29 July 2025.

The most flights from SEA to DFW are scheduled on a Tuesday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. 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 Dallas/Fort Worth. Reviews last updated 29 July 2025.
Read through reviews of airlines operating flights from Seattle to Dallas/Fort Worth Airport, such as Alaska Airlines,Delta, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Sun Country Air
6.9
Okay
333 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Dallas/Fort Worth. 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 Dallas/Fort Worth?

    If you book a flight to Dallas/Fort Worth from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 48 flights from Seattle/Tacoma Intl to Dallas/Fort Worth per day from 6 different airlines.

  • What are the cheapest airlines flying from Seattle to Dallas/Fort Worth Airport round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at C$ 239. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at C$ 272 and C$ 314, respectively. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 37% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Dallas/Fort Worth Airport one-way?

    The cheapest airlines for a one-way flight from Seattle to Dallas/Fort Worth Airport are Hawaiian Airlines (C$ 165), Alaska Airlines (C$ 170), and United Airlines (C$ 178).

  • What are the most reliable airlines from Seattle to Dallas/Fort Worth Airport?

    No one likes to see their flight delayed. When booking a flight from Seattle to Dallas/Fort Worth Airport consider choosing Delta (76%), KLM (71%) or American Airlines (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Dallas/Fort Worth Airport?

    On average you can expect to pay C$ 245 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 80 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 272.

  • Can I find deals for flights from Seattle to Dallas/Fort Worth that include hotel bookings?

    Yes. In addition to deals on Seattle to Dallas/Fort Worth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Dallas/Fort Worth?

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

  • Can I find deals for business class flights from Seattle to Dallas/Fort Worth?

    Yes. Cheapflights offers flight deals from Seattle to Dallas/Fort Worth 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 Dallas/Fort Worth Airport?

    Currently, July is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of C$ 472). Flying from Seattle to Dallas/Fort Worth Airport in December is currently the most expensive (average of C$ 529). 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

Travelling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Richardson
Canton
Fort Worth

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Dallas/Fort Worth

See prices for flight routes from nearby airports that may be better suited for you.
Bellingham to Dallas/Fort Worth flights

Top 6 airlines flying from Seattle to Dallas/Fort Worth

Discover the top 6 airlines that operate flights from Seattle to Dallas/Fort Worth. 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 629,999 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 123AverageC$ 239FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 149AverageC$ 325FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 162AverageC$ 306FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapestC$ 167AverageC$ 238FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 179AverageC$ 367FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapestC$ 208AverageC$ 319FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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How does Cheapflights help users find flights from Seattle to Dallas/Fort Worth?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Dallas/Fort Worth?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Dallas/Fort Worth flexibly with Cheapflights today.

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