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Cheap flights from Seattle to Dallas from C$ 124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dallas departing on 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Alaska Airlines Logo
12:33 a.m. - 6:35 a.m.SEA-DFW
4h 02mdirect
Alaska Airlines Logo
3:12 p.m. - 5:31 p.m.DFW-SEA
4h 19mdirect
C$ 273Alaska Airlines
Find Deal
Fri, 29 Aug - Sat, 6 Sep
Alaska Airlines Logo
6:00 a.m. - 12:02 p.m.SEA-DFW
4h 02mdirect
Alaska Airlines Logo
7:35 a.m. - 2:26 p.m.DFW-SEA
8h 51m1 stop
C$ 287Alaska Airlines
Find Deal
Sat, 30 Aug - Sat, 6 Sep
Alaska Airlines Logo
12:33 a.m. - 6:35 a.m.SEA-DFW
4h 02mdirect
Alaska Airlines Logo
9:15 a.m. - 11:34 a.m.DFW-SEA
4h 19mdirect
C$ 291Alaska Airlines
Find Deal
Fri, 5 Sep - Sat, 6 Sep
Delta Logo
5:35 p.m. - 11:29 p.m.SEA-DFW
3h 54mdirect
Delta Logo
7:10 a.m. - 9:45 a.m.DFW-SEA
4h 35mdirect
C$ 299Delta
Find Deal
Sat, 22 Nov - Wed, 3 Dec
Hawaiian Airlines Logo
1:07 a.m. - 7:00 a.m.SEA-DFW
3h 53mdirect
Hawaiian Airlines Logo
6:20 a.m. - 8:52 a.m.DFW-SEA
4h 32mdirect
C$ 301Hawaiian Airlines
Find Deal
Mon, 24 Nov - Wed, 3 Dec
Alaska Airlines Logo
7:55 a.m. - 2:12 p.m.SEA-DFW
4h 17mdirect
Alaska Airlines Logo
4:32 p.m. - 8:35 p.m.DFW-SEA
6h 03m1 stop
C$ 305Alaska Airlines
Find Deal
Tue, 9 Sep - Tue, 9 Sep
United Airlines Logo
5:02 a.m. - 12:49 p.m.SEA-DFW
5h 47m1 stop
United Airlines Logo
5:25 p.m. - 10:52 p.m.DFW-SEA
7h 27m1 stop
C$ 320United Airlines
Find Deal
Sat, 6 Sep - Sat, 6 Sep
Hawaiian Airlines Logo
12:58 a.m. - 6:55 a.m.SEA-DFW
3h 57mdirect
Hawaiian Airlines Logo
10:00 a.m. - 12:31 p.m.DFW-SEA
4h 31mdirect
C$ 321Hawaiian Airlines
Find Deal
Tue, 11 Nov - Mon, 17 Nov
United Airlines Logo
5:00 a.m. - 1:17 p.m.SEA-DFW
6h 17m1 stop
United Airlines Logo
5:46 p.m. - 11:15 p.m.DFW-SEA
7h 29m1 stop
C$ 323United Airlines
Find Deal
Sat, 25 Oct - Sat, 25 Oct
Delta Logo
5:50 p.m. - 11:44 p.m.SEA-DFW
3h 54mdirect
Delta Logo
7:13 a.m. - 9:35 a.m.DFW-SEA
4h 22mdirect
C$ 330Delta
Find Deal
Wed, 20 Aug - Tue, 26 Aug

Delta flights from Seattle to Dallas/Fort Worth Airport

Our best Delta deals on Seattle to Dallas/Fort Worth Airport flight tickets
Delta
22 Nov
SEA5:35 p.m.Seattle/Tacoma Intl
3h 54m
DFW11:29 p.m.Dallas/Fort Worth
3 Dec
DFW7:10 a.m.Dallas/Fort Worth
4h 35m
SEA9:45 a.m.Seattle/Tacoma Intl
C$ 299
Find similar
Delta
20 Aug
SEA5:50 p.m.Seattle/Tacoma Intl
3h 54m
DFW11:44 p.m.Dallas/Fort Worth
26 Aug
DFW7:13 a.m.Dallas/Fort Worth
4h 22m
SEA9:35 a.m.Seattle/Tacoma Intl
C$ 330
Find similar
Delta
9 Sep
SEA5:50 p.m.Seattle/Tacoma Intl
3h 54m
DFW11:44 p.m.Dallas/Fort Worth
14 Sep
DFW7:20 a.m.Dallas/Fort Worth
4h 15m
SEA9:35 a.m.Seattle/Tacoma Intl
C$ 341
Find similar

Hawaiian Airlines flights from Seattle to Dallas/Fort Worth Airport

Our best Hawaiian Airlines deals on Seattle to Dallas/Fort Worth Airport flight tickets
Hawaiian Airlines
24 Nov
SEA1:07 a.m.Seattle/Tacoma Intl
3h 53m
DFW7:00 a.m.Dallas/Fort Worth
3 Dec
DFW6:20 a.m.Dallas/Fort Worth
4h 32m
SEA8:52 a.m.Seattle/Tacoma Intl
C$ 301
Find similar
Hawaiian Airlines
11 Nov
SEA12:58 a.m.Seattle/Tacoma Intl
3h 57m
DFW6:55 a.m.Dallas/Fort Worth
17 Nov
DFW10:00 a.m.Dallas/Fort Worth
4h 31m
SEA12:31 p.m.Seattle/Tacoma Intl
C$ 321
Find similar
Hawaiian Airlines
11 Nov
SEA12:58 a.m.Seattle/Tacoma Intl
3h 57m
DFW6:55 a.m.Dallas/Fort Worth
17 Nov
DFW4:49 p.m.Dallas/Fort Worth
6h 58m
1 stop
SEA9:47 p.m.Seattle/Tacoma Intl
C$ 349
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Dallas/Fort Worth Airport 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, momondo users made 96,600 searches. Data last updated 31 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

Fly to

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 29/8

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

Nonstop4h 02m

Dallas/Fort Worth

Sat 6/9

3:12 p.m.-5:31 p.m.

Nonstop4h 19m

C$ 273

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 30/8

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

Nonstop4h 02m

Dallas/Fort Worth

Sat 6/9

7:35 a.m.-2:26 p.m.

1 stop8h 51m

C$ 287

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 5/9

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

Nonstop4h 02m

Dallas/Fort Worth

Sat 6/9

9:15 a.m.-11:34 a.m.

Nonstop4h 19m

C$ 291

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 22/11

5:35 p.m.-11:29 p.m.

Nonstop3h 54m

Dallas/Fort Worth

Wed 3/12

7:10 a.m.-9:45 a.m.

Nonstop4h 35m

C$ 299

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 24/11

1:07 a.m.-7:00 a.m.

Nonstop3h 53m

Dallas/Fort Worth

Wed 3/12

6:20 a.m.-8:52 a.m.

Nonstop4h 32m

C$ 301

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 9/9

7:55 a.m.-2:12 p.m.

Nonstop4h 17m

Dallas/Fort Worth

Tue 9/9

4:32 p.m.-8:35 p.m.

1 stop6h 03m

C$ 305

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 6/9

5:02 a.m.-12:49 p.m.

1 stop5h 47m

Dallas/Fort Worth

Sat 6/9

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

1 stop7h 27m

C$ 320

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 11/11

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

Nonstop3h 57m

Dallas/Fort Worth

Mon 17/11

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

Nonstop4h 31m

C$ 321

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 25/10

5:00 a.m.-1:17 p.m.

1 stop6h 17m

Dallas/Fort Worth

Sat 25/10

5:46 p.m.-11:15 p.m.

1 stop7h 29m

C$ 323

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$ 330

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Dallas from

How to get the cheapest flight ticket from Seattle to Dallas/Fort Worth Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dallas/Fort Worth Airport?

If you are unable to visit Dallas/Fort Worth Airport during the month of October, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around C$ 313.

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

The cheapest day to depart from Seattle to Dallas/Fort Worth Airport is on a Wednesday when prices can be found for as low as C$ 248. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 665.

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

The cheapest time of day to fly to Dallas/Fort Worth Airport is in the afternoon when flights can be purchased for as low as C$ 248. In the morning is when there is more demand to fly to Dallas/Fort Worth Airport, so prices are often more expensive at around C$ 441 per ticket.

What is the cheapest Seattle/Tacoma Intl to Dallas/Fort Worth flight route?

Fly from Seattle/Tacoma Intl to Dallas/Fort Worth for the best Seattle/Tacoma Intl - Dallas/Fort Worth flight prices

How far in advance should I book a flight to Dallas/Fort Worth Airport?

You are more likely to see cheaper flights to Dallas/Fort Worth Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around C$ 386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from Seattle for as low as C$ 308 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Dallas/Fort Worth flights?

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl to Dallas/Fort Worth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Dallas/Fort Worth Airport flight prices changed over time?

As of July 2025, prices for Seattle to Dallas/Fort Worth Airport flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Dallas/Fort Worth Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Dallas/Fort Worth Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Dallas/Fort Worth Airport (SEA to DFW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Dallas/Fort Worth Airport

Best price found

C$ 124

Fastest flight time

3h 51m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from Seattle in the past 72 hours is C$ 124. The best round-trip flight deal from Seattle to Dallas/Fort Worth Airport found on momondo in the last 72 hours is C$ 273.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 51m
Direct flights go from Seattle to Dallas/Fort Worth Airport every day.
Search flight deals

  • How far is Seattle/Tacoma Intl to Dallas/Fort Worth by plane?

    The straight-line distance from Seattle/Tacoma Intl to Dallas/Fort Worth is 2677.1 km. By plane, this route typically takes 3h 52m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dallas/Fort Worth Airport.

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The travel and health documents required for your trip to Dallas/Fort Worth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dallas/Fort Worth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Dallas/Fort Worth Airport?

  • What is the most popular airline from Seattle to Dallas/Fort Worth Airport?

Best airlines flying from Seattle to Dallas/Fort Worth Airport

Compare and see reviews for airlines that fly from Seattle to Dallas/Fort Worth Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 123Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
DeltaPriceFrom C$ 150Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom C$ 163Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom C$ 168Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom C$ 180Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Spirit AirlinesPriceFrom C$ 210Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights

  • Delta Flights From Seattle to Dallas/Fort Worth Airport

    Delta flies from Seattle to Dallas/Fort Worth Airport around 12 times per week, with 7,981 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Dallas/Fort Worth Airport in the last 72 hours was C$ 108 (round-trip), much lower than the average airfare cost of C$ 237 for Delta flights on this route.

  • Alaska Airlines Flights From Seattle to Dallas/Fort Worth Airport

    C$ 131 is the best Alaska Airlines flight deal from Seattle to Dallas/Fort Worth Airport found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to C$ 268, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 10,000 user reviews) flies into Dallas/Fort Worth Airport from Seattle 28 times in an average week so prices can vary.

Travelling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Grapevine
Addison
Arlington
Frisco
Saginaw
Fort Worth
Rockwall
Irving
Richardson

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Dallas?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dallas from Seattle.

Can I find flights from Seattle to Dallas with flexible booking policies on momondo?

Yes. All flights to Dallas from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Dallas?

Once all potential Seattle to Dallas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Dallas right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Dallas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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