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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 29/5. 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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Find the cheapest flights from Seattle to Dallas

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Dallas that have been recently found on momondo from popular airlines, departing in the coming months.
Delta Logo
9:30 a.m. - 3:28 p.m.SEA-DFW
3h 58mdirect
Delta Logo
4:30 p.m. - 6:54 p.m.DFW-SEA
4h 24mdirect
C$ 247Delta
Find Deal
Wed, 27 Aug - Wed, 3 Sep
Delta Logo
9:30 a.m. - 3:28 p.m.SEA-DFW
3h 58mdirect
Delta Logo
7:14 a.m. - 9:35 a.m.DFW-SEA
4h 21mdirect
C$ 275Delta
Find Deal
Wed, 27 Aug - Wed, 3 Sep
United Airlines Logo
7:34 p.m. - 4:49 a.m.SEA-DFW
7h 15m1 stop
United Airlines Logo
3:50 p.m. - 9:12 p.m.DFW-SEA
7h 22m1 stop
C$ 282United Airlines
Find Deal
Wed, 2 Jul - Sat, 5 Jul
Delta Logo
5:50 p.m. - 11:49 p.m.SEA-DFW
3h 59mdirect
Delta Logo
7:12 a.m. - 9:35 a.m.DFW-SEA
4h 23mdirect
C$ 296Delta
Find Deal
Wed, 28 May - Wed, 11 Jun
United Airlines Logo
7:00 a.m. - 4:24 p.m.SEA-DFW
7h 24m1 stop
United Airlines Logo
8:03 p.m. - 12:59 a.m.DFW-SEA
6h 56m1 stop
C$ 303United Airlines
Find Deal
Sat, 19 Jul - Sat, 2 Aug
Alaska Airlines Logo
12:34 a.m. - 6:20 a.m.SEA-DFW
3h 46mdirect
Alaska Airlines Logo
6:16 p.m. - 8:35 p.m.DFW-SEA
4h 19mdirect
C$ 355Alaska Airlines
Find Deal
Mon, 26 May - Sat, 14 Jun
 Logo
4:58 p.m. - 5:19 a.m.SEA-DFW
10h 21m1 stop
 Logo
6:10 a.m. - 8:36 a.m.DFW-SEA
4h 26mdirect
C$ 381
Find Deal
Mon, 21 Jul - Fri, 25 Jul
Alaska Airlines Logo
12:34 a.m. - 6:20 a.m.SEA-DFW
3h 46mdirect
Alaska Airlines Logo
3:19 p.m. - 5:34 p.m.DFW-SEA
4h 15mdirect
C$ 383Alaska Airlines
Find Deal
Sun, 25 May - Fri, 13 Jun
Spirit Airlines Logo
4:58 p.m. - 5:19 a.m.SEA-DFW
10h 21m1 stop
Spirit Airlines Logo
11:08 a.m. - 3:53 p.m.DFW-SEA
6h 45m1 stop
C$ 457Spirit Airlines
Find Deal
Mon, 21 Jul - Fri, 25 Jul
 Logo
12:25 a.m. - 6:20 a.m.SEA-DFW
3h 55mdirect
 Logo
11:08 a.m. - 3:53 p.m.DFW-SEA
6h 45m1 stop
C$ 527
Find Deal
Sun, 20 Jul - Fri, 25 Jul

United Airlines flights from Seattle to Dallas/Fort Worth Airport

Our best United Airlines deals on Seattle to Dallas/Fort Worth Airport flight tickets
United Airlines
2 Jul
SEA7:34 p.m.Seattle/Tacoma Intl
7h 15m
1 stop
DFW4:49 a.m.Dallas/Fort Worth
5 Jul
DFW3:50 p.m.Dallas/Fort Worth
7h 22m
1 stop
SEA9:12 p.m.Seattle/Tacoma Intl
United Airlines
19 Jul
SEA7:00 a.m.Seattle/Tacoma Intl
7h 24m
1 stop
DFW4:24 p.m.Dallas/Fort Worth
2 Aug
DFW8:03 p.m.Dallas/Fort Worth
6h 56m
1 stop
SEA12:59 a.m.Seattle/Tacoma Intl
United Airlines
10 Jun
SEA11:59 p.m.Seattle/Tacoma Intl
6h 55m
1 stop
DFW8:54 a.m.Dallas/Fort Worth
29 Jun
DFW5:25 p.m.Dallas/Fort Worth
7h 12m
1 stop
SEA10:37 p.m.Seattle/Tacoma Intl

Sun Country Air flights from Seattle to Dallas/Fort Worth Airport

Our best Sun Country Air deals on Seattle to Dallas/Fort Worth Airport flight tickets
Sun Country Air
7 Aug
SEA11:59 p.m.Seattle/Tacoma Intl
6h 58m
1 stop
DFW8:57 a.m.Dallas/Fort Worth
10 Aug
DFW2:44 p.m.Dallas/Fort Worth
19h 18m
1 stop
SEA8:02 a.m.Seattle/Tacoma Intl
Sun Country Air
29 May
SEA11:59 p.m.Seattle/Tacoma Intl
6h 58m
1 stop
DFW8:57 a.m.Dallas/Fort Worth
13 Jun
DFW3:30 p.m.Dallas/Fort Worth
9h 20m
1 stop
SEA10:50 p.m.Seattle/Tacoma Intl
Sun Country Air
25 Jun
SEA11:59 p.m.Seattle/Tacoma Intl
6h 52m
1 stop
DFW8:51 a.m.Dallas/Fort Worth
7 Jul
DFW3:25 p.m.Dallas/Fort Worth
9h 25m
1 stop
SEA10:50 p.m.Seattle/Tacoma Intl

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 September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around C$ 301.

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$ 277. 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$ 694.

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$ 271. In the evening is when there is more demand to fly to Dallas/Fort Worth Airport, so prices are often more expensive at around C$ 505 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 9 weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around C$ 398 when searching 9 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$ 321 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 May 2025, prices for Seattle to Dallas/Fort Worth Airport flights are approximately 22% 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 46m

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$ 247.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 46m
Direct flights go from Seattle to Dallas/Fort Worth Airport every day.

  • 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 46m.

  • 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
Spirit AirlinesPriceFrom C$ 83Free CancellationRating
6.3
7,963 reviews
Search Spirit Airlines flights
FrontierPriceFrom C$ 126Free CancellationRating
5.9
3,287 reviews
Search Frontier flights
DeltaPriceFrom C$ 150Free CancellationRating
8.0
7,934 reviews
Search Delta flights
American AirlinesPriceFrom C$ 164Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom C$ 208Free CancellationRating
8.0
9,972 reviews
Search Alaska Airlines flights
  • Delta Flights From Seattle to Dallas/Fort Worth Airport

    Delta flies from Seattle to Dallas/Fort Worth Airport around 8 times per week, with 7,934 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$ 150 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$ 276, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,972 user reviews) flies into Dallas/Fort Worth Airport from Seattle 21 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
Arlington
Fort Worth
Southlake
Addison
Frisco
Ardmore
Saginaw
Plano
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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1 adult
Tue 6/5
Tue 13/5

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