Cheap flights from Seattle to Dallas from $104

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 12/30. 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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Alaska Airlines Logo
12:45 am - 6:40 amSEA-DFW
3h 55mnonstop
Alaska Airlines Logo
6:17 pm - 8:50 pmDFW-SEA
4h 33mnonstop
$177Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
12:58 am - 6:55 amSEA-DFW
3h 57mnonstop
Multiple Airlines Logo
6:15 am - 8:37 amDFW-SEA
4h 22mnonstop
$178Multiple Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Frontier Logo
12:58 pm - 12:10 amSEA-DFW
9h 12m1 stop
Frontier Logo
10:27 pm - 10:55 amDFW-SEA
14h 28m2 stops
$179Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
12:51 pm - 3:00 pmSEA-DFW
24h 09m1 stop
Frontier Logo
6:00 am - 11:53 amDFW-SEA
7h 53m1 stop
$180Frontier
Find Deal
Wed, Nov 26 - Sat, Dec 6
Frontier Logo
12:58 pm - 12:10 amSEA-DFW
9h 12m1 stop
Frontier Logo
5:35 am - 12:13 pmDFW-SEA
8h 38m1 stop
$181Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
1:37 pm - 11:49 amSEA-DFW
20h 12m1 stop
Frontier Logo
10:00 pm - 8:18 amDFW-SEA
12h 18m1 stop
$182Frontier
Find Deal
Wed, Nov 12 - Fri, Nov 14
Frontier Logo
1:01 pm - 12:17 amSEA-DFW
9h 16m1 stop
Frontier Logo
5:05 am - 11:56 amDFW-SEA
8h 51m1 stop
$183Frontier
Find Deal
Sat, Nov 22 - Mon, Nov 24
Frontier Logo
4:46 pm - 6:00 amSEA-DFW
11h 14m2 stops
Frontier Logo
6:00 am - 11:53 amDFW-SEA
7h 53m1 stop
$184Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
American Airlines Logo
12:41 am - 6:31 amSEA-DFW
3h 50mnonstop
American Airlines Logo
10:35 pm - 12:58 amDFW-SEA
4h 23mnonstop
$204American Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 26
Hawaiian Airlines Logo
6:00 pm - 11:58 pmSEA-DFW
3h 58mnonstop
Hawaiian Airlines Logo
4:40 pm - 9:49 pmDFW-SEA
7h 09m1 stop
$220Hawaiian Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17

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
Dec 10
SEA6:00 pmSeattle/Tacoma Intl
3h 58m
DFW11:58 pmDallas/Fort Worth
Dec 17
DFW4:40 pmDallas/Fort Worth
7h 09m
1 stop
SEA9:49 pmSeattle/Tacoma Intl
Hawaiian Airlines
Nov 10
SEA12:58 amSeattle/Tacoma Intl
3h 57m
DFW6:55 amDallas/Fort Worth
Nov 18
DFW10:00 amDallas/Fort Worth
4h 31m
SEA12:31 pmSeattle/Tacoma Intl

Frontier flights from Seattle to Dallas/Fort Worth Airport

Our best Frontier deals on Seattle to Dallas/Fort Worth Airport flight tickets
Frontier
Nov 13
SEA12:58 pmSeattle/Tacoma Intl
9h 12m
1 stop
DFW12:10 amDallas/Fort Worth
Nov 16
DFW10:27 pmDallas/Fort Worth
14h 28m
2 stops
SEA10:55 amSeattle/Tacoma Intl
Frontier
Nov 26
SEA12:51 pmSeattle/Tacoma Intl
24h 09m
1 stop
DFW3:00 pmDallas/Fort Worth
Dec 6
DFW6:00 amDallas/Fort Worth
7h 53m
1 stop
SEA11:53 amSeattle/Tacoma Intl
Frontier
Nov 13
SEA12:58 pmSeattle/Tacoma Intl
9h 12m
1 stop
DFW12:10 amDallas/Fort Worth
Nov 16
DFW5:35 amDallas/Fort Worth
8h 38m
1 stop
SEA12:13 pmSeattle/Tacoma Intl

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 832,500 searches. Data last updated October 28, 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

Thu 12/4

12:45 am-6:40 am

Nonstop3h 55m

Dallas/Fort Worth

Mon 12/8

6:17 pm-8:50 pm

Nonstop4h 33m

$177

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 11/16

12:58 am-6:55 am

Nonstop3h 57m

Dallas/Fort Worth

Sun 11/23

6:15 am-8:37 am

Nonstop4h 22m

$178

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 11/13

12:58 pm-12:10 am

1 stop9h 12m

Dallas/Fort Worth

Sun 11/16

10:27 pm-10:55 am

2 stops14h 28m

$179

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 11/26

12:51 pm-3:00 pm

1 stop24h 09m

Dallas/Fort Worth

Sat 12/6

6:00 am-11:53 am

1 stop7h 53m

$180

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 11/13

12:58 pm-12:10 am

1 stop9h 12m

Dallas/Fort Worth

Sun 11/16

5:35 am-12:13 pm

1 stop8h 38m

$181

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 11/12

1:37 pm-11:49 am

1 stop20h 12m

Dallas/Fort Worth

Fri 11/14

10:00 pm-8:18 am

1 stop12h 18m

$182

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 11/22

1:01 pm-12:17 am

1 stop9h 16m

Dallas/Fort Worth

Mon 11/24

5:05 am-11:56 am

1 stop8h 51m

$183

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 12/5

4:46 pm-6:00 am

2 stops11h 14m

Dallas/Fort Worth

Sun 12/7

6:00 am-11:53 am

1 stop7h 53m

$184

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 11/18

12:41 am-6:31 am

Nonstop3h 50m

Dallas/Fort Worth

Wed 11/26

10:35 pm-12:58 am

Nonstop4h 23m

$204

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 12/10

6:00 pm-11:58 pm

Nonstop3h 58m

Dallas/Fort Worth

Wed 12/17

4:40 pm-9:49 pm

1 stop7h 09m

$220

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 typical price of a round-trip flight between Seattle and Dallas/Fort Worth Airport?

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

The cheapest month to fly to Dallas/Fort Worth Airport from Seattle is in January. Flight prices, which tend to average around $248, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in January, then August is your next best option. Flight prices from Seattle to Dallas/Fort Worth Airport during August average around $252.

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

On average, the least expensive day to fly to Dallas/Fort Worth Airport from Seattle is on a Friday. momondo users have found tickets for Friday departures for as low as $435. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Dallas/Fort Worth Airport for around $579.

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

Flying to Dallas/Fort Worth Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $316 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $522 on average. Flights to Dallas/Fort Worth Airport from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $289 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 $237 on momondo.

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

There are 4 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 October 2025, prices for Seattle to Dallas/Fort Worth Airport flights are approximately 3% more expensive 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

$187

Fastest flight time

3h 40m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from Seattle in the past 72 hours is $187. The best round-trip flight deal from Seattle to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $310.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 40m
Direct flights go from Seattle to Dallas/Fort Worth Airport every day.
  • How far is Seattle/Tacoma Intl to Dallas/Fort Worth by plane?

    Dallas/Fort Worth is 1663.5 mi away from Seattle/Tacoma Intl. Flights usually cover this in 3h 50m, depending on flying conditions and air traffic around both airports.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 necessary travel and health documents for your Dallas/Fort Worth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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 $66Free CancellationRating
5.8
3,122 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,112 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $131Free CancellationRating
7.8
2,794 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $131Free CancellationRating
7.9
7,995 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $178Free CancellationRating
8.0
11,199 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $180Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
  • Alaska Airlines Flights From Seattle to Dallas/Fort Worth Airport

    The lowest priced Alaska Airlines flight from Seattle to Dallas/Fort Worth Airport from the last 72 hours was $178. Generally, Alaska Airlines has 6 flights on this route every week with an average price of $334. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Seattle to Dallas/Fort Worth Airport

    The best Delta deal for Seattle to Dallas/Fort Worth Airport flight tickets found on momondo in the last 72 hours was $131, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $269 round-trip. Delta operates 12 flights out of Seattle into Dallas/Fort Worth Airport in an average week, so prices vary by time and availability. 7,995 Delta reviews by users on momondo have scored the airline at 7.9/10.

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fort Worth
Arlington
Frisco
Grapevine
Irving
Plano
Denton
Thackerville
Grand Prairie
McKinney
Durant
Rockwall
Garland
Richardson
Ardmore
Lewisville
Addison
Allen
Granbury
Mansfield

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Dallas. Millions of users trust and use momondo every year so you are in good hands.

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
Thu 11/27
Thu 12/4

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