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Cheap flights from Seattle to Dallas from C$ 151

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 23/3. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:35 p.m. - 5:47 a.m.
SEA
-
DFW
30h 12m
1 stop
Multiple Airlines Logo
5:45 a.m. - 5:09 p.m.
DFW
-
SEA
13h 24m
1 stop
C$ 259Multiple Airlines
Sun, 15 Mar - Sat, 21 Mar
Alaska Airlines Logo
12:23 a.m. - 6:20 a.m.
SEA
-
DFW
3h 57mdirect
Alaska Airlines Logo
6:20 a.m. - 8:52 a.m.
DFW
-
SEA
4h 32mdirect
C$ 266Alaska Airlines
Mon, 20 Apr - Wed, 6 May
Multiple Airlines Logo
6:24 p.m. - 6:07 a.m.
SEA
-
DFW
9h 43m
1 stop
Multiple Airlines Logo
12:42 p.m. - 9:03 p.m.
DFW
-
SEA
10h 21m
1 stop
C$ 267Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
6:24 p.m. - 6:07 a.m.
SEA
-
DFW
9h 43m
1 stop
Multiple Airlines Logo
12:42 p.m. - 9:03 p.m.
DFW
-
SEA
10h 21m
1 stop
C$ 268Multiple Airlines
Tue, 24 Mar - Wed, 25 Mar
Multiple Airlines Logo
9:36 p.m. - 4:02 p.m.
SEA
-
DFW
16h 26m
2 stops
Multiple Airlines Logo
5:45 a.m. - 5:09 p.m.
DFW
-
SEA
13h 24m
1 stop
C$ 270Multiple Airlines
Mon, 16 Mar - Sat, 21 Mar
Multiple Airlines Logo
9:36 p.m. - 9:14 p.m.
SEA
-
DFW
21h 38m
1 stop
Multiple Airlines Logo
5:45 a.m. - 11:19 a.m.
DFW
-
SEA
7h 34m
1 stop
C$ 272Multiple Airlines
Mon, 16 Mar - Thu, 26 Mar
Multiple Airlines Logo
6:24 p.m. - 6:07 a.m.
SEA
-
DFW
9h 43m
1 stop
Multiple Airlines Logo
5:45 a.m. - 11:19 a.m.
DFW
-
SEA
7h 34m
1 stop
C$ 274Multiple Airlines
Tue, 24 Mar - Thu, 26 Mar
Multiple Airlines Logo
6:24 p.m. - 6:07 a.m.
SEA
-
DFW
9h 43m
1 stop
Multiple Airlines Logo
5:45 a.m. - 5:09 p.m.
DFW
-
SEA
13h 24m
1 stop
C$ 278Multiple Airlines
Tue, 17 Mar - Sat, 21 Mar
Frontier Logo
12:24 p.m. - 4:02 p.m.
SEA
-
DFW
25h 38m
1 stop
Frontier Logo
12:42 p.m. - 9:03 p.m.
DFW
-
SEA
10h 21m
1 stop
C$ 280Frontier
Mon, 16 Mar - Tue, 24 Mar
Frontier Logo
9:36 p.m. - 4:02 p.m.
SEA
-
DFW
16h 26m
2 stops
Frontier Logo
12:42 p.m. - 9:03 p.m.
DFW
-
SEA
10h 21m
1 stop
C$ 283Frontier
Mon, 16 Mar - Tue, 24 Mar

Alaska Airlines flights from Seattle to Dallas/Fort Worth Airport

Our best Alaska Airlines deals on Seattle to Dallas/Fort Worth Airport flight tickets
Alaska Airlines
20 Apr
SEA12:23 a.m.Seattle/Tacoma Intl
3h 57m
DFW6:20 a.m.Dallas/Fort Worth
5 May
DFW6:20 a.m.Dallas/Fort Worth
4h 32m
SEA8:52 a.m.Seattle/Tacoma Intl
C$ 266
Alaska Airlines
18 Apr
SEA5:58 p.m.Seattle/Tacoma Intl
4h 01m
DFW11:59 p.m.Dallas/Fort Worth
5 May
DFW8:47 p.m.Dallas/Fort Worth
4h 28m
SEA11:15 p.m.Seattle/Tacoma Intl
C$ 294
Alaska Airlines
18 Apr
SEA7:10 a.m.Seattle/Tacoma Intl
7h 20m
1 stop
DFW4:30 p.m.Dallas/Fort Worth
7 May
DFW8:47 p.m.Dallas/Fort Worth
4h 28m
SEA11:15 p.m.Seattle/Tacoma Intl
C$ 308

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
15 Mar
SEA10:51 p.m.Seattle/Tacoma Intl
3h 49m
DFW4:40 a.m.Dallas/Fort Worth
25 Mar
DFW3:30 p.m.Dallas/Fort Worth
4h 28m
SEA5:58 p.m.Seattle/Tacoma Intl
C$ 317
Hawaiian Airlines
17 Mar
SEA12:23 a.m.Seattle/Tacoma Intl
3h 57m
DFW6:20 a.m.Dallas/Fort Worth
24 Mar
DFW6:00 a.m.Dallas/Fort Worth
4h 29m
SEA8:29 a.m.Seattle/Tacoma Intl
C$ 319

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 2 February 2026.
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

Sun 15/3

9:35 p.m.-5:47 a.m.

1 stop30h 12m

Dallas/Fort Worth

Sat 21/3

5:45 a.m.-5:09 p.m.

1 stop13h 24m

C$ 259

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 20/4

12:23 a.m.-6:20 a.m.

Nonstop3h 57m

Dallas/Fort Worth

Wed 6/5

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

Nonstop4h 32m

C$ 266

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 17/3

6:24 p.m.-6:07 a.m.

1 stop9h 43m

Dallas/Fort Worth

Tue 24/3

12:42 p.m.-9:03 p.m.

1 stop10h 21m

C$ 267

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 24/3

6:24 p.m.-6:07 a.m.

1 stop9h 43m

Dallas/Fort Worth

Wed 25/3

12:42 p.m.-9:03 p.m.

1 stop10h 21m

C$ 268

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 16/3

9:36 p.m.-4:02 p.m.

2 stops16h 26m

Dallas/Fort Worth

Sat 21/3

5:45 a.m.-5:09 p.m.

1 stop13h 24m

C$ 270

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 16/3

9:36 p.m.-9:14 p.m.

1 stop21h 38m

Dallas/Fort Worth

Thu 26/3

5:45 a.m.-11:19 a.m.

1 stop7h 34m

C$ 272

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 24/3

6:24 p.m.-6:07 a.m.

1 stop9h 43m

Dallas/Fort Worth

Thu 26/3

5:45 a.m.-11:19 a.m.

1 stop7h 34m

C$ 274

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 17/3

6:24 p.m.-6:07 a.m.

1 stop9h 43m

Dallas/Fort Worth

Sat 21/3

5:45 a.m.-5:09 p.m.

1 stop13h 24m

C$ 278

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 16/3

12:24 p.m.-4:02 p.m.

1 stop25h 38m

Dallas/Fort Worth

Tue 24/3

12:42 p.m.-9:03 p.m.

1 stop10h 21m

C$ 280

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 16/3

9:36 p.m.-4:02 p.m.

2 stops16h 26m

Dallas/Fort Worth

Tue 24/3

12:42 p.m.-9:03 p.m.

1 stop10h 21m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 August, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around C$ 362.

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 Friday when prices can be found for as low as C$ 293. 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$ 533.

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 at noon when flights can be purchased for as low as C$ 302. 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$ 357 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$ 402 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$ 321 on momondo.

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

There are 3 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.

Can stopping save me money on Seattle to Dallas/Fort Worth Airport flights?

No. A direct flight is the cheapest option for a flight between Seattle to Dallas/Fort Worth Airport.

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

As of February 2026, prices for Seattle to Dallas/Fort Worth Airport flights are approximately 19% 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$ 393

Fastest flight time

3h 45m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from Seattle in the past 72 hours is C$ 393. The best round-trip flight deal from Seattle to Dallas/Fort Worth Airport found on momondo in the last 72 hours is C$ 318.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 45m
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 45m.

  • 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$ 77Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Spirit AirlinesPriceFrom C$ 82Free CancellationRating
6.3
8,396 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom C$ 149Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom C$ 161Free CancellationRating
8.0
11,827 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom C$ 166Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights

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

    Alaska Airlines flies from Seattle to Dallas/Fort Worth Airport around 20 times per week, with 11,829 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Seattle to Dallas/Fort Worth Airport in the last 72 hours was C$ 161 (round-trip), much lower than the average airfare cost of C$ 353 for Alaska Airlines flights on this route.

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

    C$ 166 is the best Hawaiian Airlines flight deal from Seattle to Dallas/Fort Worth Airport found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to C$ 319, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,830 user reviews) flies into Dallas/Fort Worth Airport from Seattle 23 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
Addison
Grapevine
Allen
Saginaw
Plano
Fort Worth
Frisco
Irving
Lewisville
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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