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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 125

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/Fort Worth Airport departing on 20/5. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Dallas.
Delta Logo
9:30 a.m. - 3:38 p.m.SEA-DFW
4h 08mdirect
Delta Logo
4:30 p.m. - 6:59 p.m.DFW-SEA
4h 29mdirect
C$ 277Delta
Find Deal
Wed, 7 May - Tue, 13 May
Delta Logo
5:50 p.m. - 11:49 p.m.SEA-DFW
3h 59mdirect
Delta Logo
4:30 p.m. - 6:59 p.m.DFW-SEA
4h 29mdirect
C$ 291Delta
Find Deal
Tue, 27 May - Tue, 3 Jun
Hawaiian Airlines Logo
6:03 p.m. - 11:59 p.m.SEA-DFW
3h 56mdirect
Hawaiian Airlines Logo
10:00 a.m. - 12:28 p.m.DFW-SEA
4h 28mdirect
C$ 298Hawaiian Airlines
Find Deal
Sat, 10 May - Wed, 14 May
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$ 327Alaska Airlines
Find Deal
Tue, 10 Jun - Wed, 18 Jun
Frontier Logo
5:30 p.m. - 11:19 p.m.SEA-DFW
3h 49mdirect
Frontier Logo
10:30 p.m. - 12:37 a.m.DFW-SEA
28h 07m1 stop
C$ 328Frontier
Find Deal
Mon, 19 May - Fri, 30 May
Frontier Logo
12:21 p.m. - 11:29 p.m.SEA-DFW
9h 08m1 stop
Frontier Logo
10:30 p.m. - 12:37 a.m.DFW-SEA
28h 07m1 stop
C$ 330Frontier
Find Deal
Mon, 19 May - Fri, 30 May
Alaska Airlines Logo
5:59 p.m. - 11:59 p.m.SEA-DFW
4h 00mdirect
Alaska Airlines Logo
6:16 p.m. - 8:35 p.m.DFW-SEA
4h 19mdirect
C$ 349Alaska Airlines
Find Deal
Tue, 17 Jun - Fri, 20 Jun
Spirit Airlines Logo
4:58 p.m. - 5:19 a.m.SEA-DFW
10h 21m1 stop
Spirit Airlines Logo
9:00 a.m. - 3:53 p.m.DFW-SEA
8h 53m1 stop
C$ 423Spirit Airlines
Find Deal
Mon, 21 Jul - Fri, 25 Jul
American Airlines Logo
7:30 a.m. - 1:36 p.m.SEA-DFW
4h 06mdirect
American Airlines Logo
5:10 p.m. - 10:00 p.m.DFW-SEA
6h 50m1 stop
C$ 520American Airlines
Find Deal
Mon, 12 May - Mon, 12 May
American Airlines Logo
11:40 a.m. - 7:39 p.m.SEA-DFW
5h 59m1 stop
American Airlines Logo
10:45 p.m. - 10:08 a.m.DFW-SEA
13h 23m1 stop
C$ 551American Airlines
Find Deal
Mon, 12 May - Mon, 12 May

Frontier flights from Seattle to Dallas/Fort Worth Airport

Our best Frontier deals on Seattle to Dallas/Fort Worth Airport flight tickets
Frontier
24 Apr
SEA9:35 p.m.Seattle/Tacoma Intl
11h 08m
1 stop
DFW10:43 a.m.Dallas/Fort Worth
28 Apr
DFW2:14 p.m.Dallas/Fort Worth
4h 29m
SEA4:43 p.m.Seattle/Tacoma Intl
Frontier
19 May
SEA5:30 p.m.Seattle/Tacoma Intl
3h 49m
DFW11:19 p.m.Dallas/Fort Worth
30 May
DFW10:30 p.m.Dallas/Fort Worth
28h 07m
1 stop
SEA12:37 a.m.Seattle/Tacoma Intl
Frontier
19 May
SEA12:21 p.m.Seattle/Tacoma Intl
9h 08m
1 stop
DFW11:29 p.m.Dallas/Fort Worth
30 May
DFW10:30 p.m.Dallas/Fort Worth
28h 07m
1 stop
SEA12:37 a.m.Seattle/Tacoma Intl

Delta flights from Seattle to Dallas/Fort Worth Airport

Our best Delta deals on Seattle to Dallas/Fort Worth Airport flight tickets
Delta
7 May
SEA9:30 a.m.Seattle/Tacoma Intl
4h 08m
DFW3:38 p.m.Dallas/Fort Worth
13 May
DFW4:30 p.m.Dallas/Fort Worth
4h 29m
SEA6:59 p.m.Seattle/Tacoma Intl
Delta
27 May
SEA5:50 p.m.Seattle/Tacoma Intl
3h 59m
DFW11:49 p.m.Dallas/Fort Worth
3 Jun
DFW4:30 p.m.Dallas/Fort Worth
4h 29m
SEA6:59 p.m.Seattle/Tacoma Intl
Delta
29 May
SEA5:50 p.m.Seattle/Tacoma Intl
3h 59m
DFW11:49 p.m.Dallas/Fort Worth
2 Jun
DFW4:30 p.m.Dallas/Fort Worth
4h 29m
SEA6:59 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$ 302.

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$ 279. 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$ 698.

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$ 272. 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$ 508 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$ 402 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$ 314 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 April 2025, prices for Seattle to Dallas/Fort Worth Airport flights are approximately 36% 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$ 125

Fastest flight time

3h 46m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Dallas/Fort Worth Airport from Seattle in the past 72 hours is C$ 125. The best round-trip flight deal from Seattle to Dallas/Fort Worth Airport found on momondo in the last 72 hours is C$ 277.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 46m
Direct flights go from Seattle to Dallas/Fort Worth Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Delta, Alaska Airlines and Frontier.

  • 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$ 84Free CancellationRating
6.3
7,926 reviews
Search Spirit Airlines flights
FrontierPriceFrom C$ 129Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
DeltaPriceFrom C$ 151Free CancellationRating
8.0
7,916 reviews
Search Delta flights
American AirlinesPriceFrom C$ 165Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom C$ 219Free CancellationRating
8.0
9,887 reviews
Search Alaska Airlines flights
  • Delta Flights From Seattle to Dallas/Fort Worth Airport

    Delta flies from Seattle to Dallas/Fort Worth Airport around 10 times per week, with 7,917 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$ 158 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$ 303, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,882 user reviews) flies into Dallas/Fort Worth Airport from Seattle 13 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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