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Cheap flights from Seattle to Dallas from $108

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 3/2. 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
11:32 am - 11:37 pm
SEA
-
DFW
10h 05m
1 stop
Multiple Airlines Logo
5:45 am - 6:18 pm
DFW
-
SEA
14h 33m
2 stops
$190Multiple Airlines
Sat, Feb 28 - Tue, Mar 3
Frontier Logo
1:16 pm - 12:12 am
SEA
-
DFW
8h 56m
1 stop
Frontier Logo
8:05 am - 5:39 pm
DFW
-
SEA
35h 34m
2 stops
$191Frontier
Thu, Mar 5 - Thu, Mar 12
Frontier Logo
1:16 pm - 12:12 am
SEA
-
DFW
8h 56m
1 stop
Frontier Logo
10:34 pm - 5:09 pm
DFW
-
SEA
44h 35m
2 stops
$192Frontier
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
7:33 pm - 5:47 am
SEA
-
DFW
8h 14m
1 stop
Multiple Airlines Logo
6:00 am - 8:34 am
DFW
-
SEA
4h 34mnonstop
$193Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
9:36 pm - 4:02 pm
SEA
-
DFW
16h 26m
2 stops
Multiple Airlines Logo
7:15 am - 8:20 pm
DFW
-
SEA
15h 05m
1 stop
$194Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Frontier Logo
1:16 pm - 12:12 am
SEA
-
DFW
8h 56m
1 stop
Frontier Logo
10:31 pm - 8:51 am
DFW
-
SEA
12h 20m
1 stop
$195Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
9:36 pm - 11:21 am
SEA
-
DFW
11h 45m
1 stop
Frontier Logo
8:57 pm - 5:09 pm
DFW
-
SEA
22h 12m
1 stop
$196Frontier
Fri, Mar 13 - Tue, Mar 17
Multiple Airlines Logo
12:24 pm - 12:06 am
SEA
-
DFW
9h 42m
1 stop
Multiple Airlines Logo
3:28 pm - 6:01 pm
DFW
-
SEA
4h 33mnonstop
$197Multiple Airlines
Fri, Mar 6 - Tue, Mar 10
Multiple Airlines Logo
9:36 pm - 2:08 pm
SEA
-
DFW
14h 32m
1 stop
Multiple Airlines Logo
7:15 am - 8:20 pm
DFW
-
SEA
15h 05m
1 stop
$198Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Frontier Logo
12:00 pm - 10:11 am
SEA
-
DFW
20h 11m
1 stop
Frontier Logo
10:31 pm - 7:59 pm
DFW
-
SEA
23h 28m
2 stops
$199Frontier
Fri, Feb 27 - Sun, Mar 1

Frontier flights from Seattle to Dallas/Fort Worth Airport

Our best Frontier deals on Seattle to Dallas/Fort Worth Airport flight tickets
Frontier
Mar 5
SEA1:16 pmSeattle/Tacoma Intl
8h 56m
1 stop
DFW12:12 amDallas/Fort Worth
Mar 12
DFW8:05 amDallas/Fort Worth
35h 34m
2 stops
SEA5:39 pmSeattle/Tacoma Intl
$191
Frontier
Mar 5
SEA1:16 pmSeattle/Tacoma Intl
8h 56m
1 stop
DFW12:12 amDallas/Fort Worth
Mar 9
DFW10:34 pmDallas/Fort Worth
44h 35m
2 stops
SEA5:09 pmSeattle/Tacoma Intl
$192
Frontier
Feb 26
SEA1:16 pmSeattle/Tacoma Intl
8h 56m
1 stop
DFW12:12 amDallas/Fort Worth
Mar 1
DFW10:31 pmDallas/Fort Worth
12h 20m
1 stop
SEA8:51 amSeattle/Tacoma Intl
$195

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
Feb 18
SEA11:59 pmSeattle/Tacoma Intl
7h 52m
1 stop
DFW9:51 amDallas/Fort Worth
Feb 24
DFW4:42 pmDallas/Fort Worth
6h 30m
1 stop
SEA9:12 pmSeattle/Tacoma Intl
$329
United Airlines
Feb 18
SEA9:19 amSeattle/Tacoma Intl
9h 31m
2 stops
DFW8:50 pmDallas/Fort Worth
Feb 24
DFW4:42 pmDallas/Fort Worth
6h 30m
1 stop
SEA9:12 pmSeattle/Tacoma Intl
$334

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 February 6, 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

Sat 2/28

11:32 am-11:37 pm

1 stop10h 05m

Dallas/Fort Worth

Tue 3/3

5:45 am-6:18 pm

2 stops14h 33m

$190

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 3/5

1:16 pm-12:12 am

1 stop8h 56m

Dallas/Fort Worth

Thu 3/12

8:05 am-5:39 pm

2 stops35h 34m

$191

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 3/5

1:16 pm-12:12 am

1 stop8h 56m

Dallas/Fort Worth

Mon 3/9

10:34 pm-5:09 pm

2 stops44h 35m

$192

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 3/3

7:33 pm-5:47 am

1 stop8h 14m

Dallas/Fort Worth

Tue 3/10

6:00 am-8:34 am

Nonstop4h 34m

$193

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 3/9

9:36 pm-4:02 pm

2 stops16h 26m

Dallas/Fort Worth

Thu 3/12

7:15 am-8:20 pm

1 stop15h 05m

$194

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 2/26

1:16 pm-12:12 am

1 stop8h 56m

Dallas/Fort Worth

Sun 3/1

10:31 pm-8:51 am

1 stop12h 20m

$195

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 3/13

9:36 pm-11:21 am

1 stop11h 45m

Dallas/Fort Worth

Tue 3/17

8:57 pm-5:09 pm

1 stop22h 12m

$196

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 3/6

12:24 pm-12:06 am

1 stop9h 42m

Dallas/Fort Worth

Tue 3/10

3:28 pm-6:01 pm

Nonstop4h 33m

$197

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 3/9

9:36 pm-2:08 pm

1 stop14h 32m

Dallas/Fort Worth

Thu 3/12

7:15 am-8:20 pm

1 stop15h 05m

$198

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 2/27

12:00 pm-10:11 am

1 stop20h 11m

Dallas/Fort Worth

Sun 3/1

10:31 pm-7:59 pm

2 stops23h 28m

$199

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?

The cheapest month to fly to Dallas/Fort Worth Airport from Seattle is in August. Flight prices, which tend to average around $254, 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 August, then March is your next best option. Flight prices from Seattle to Dallas/Fort Worth Airport during March average around $266.

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 $423. 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 $548.

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 $318 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 $503 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 $295 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 $236 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?

You could potentially save up to 5% on your flight if you consider stops on a Seattle to Dallas/Fort Worth Airport flight.

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

$186

Fastest flight time

3h 49m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from Seattle in the past 72 hours is $186. The best round-trip flight deal from Seattle to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $352.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 49m
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?

    Dallas/Fort Worth is 1663.5 mi away from Seattle/Tacoma Intl. Flights usually cover this in 3h 49m, 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 $73Free CancellationRating
5.7
3,053 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $106Free CancellationRating
6.3
8,420 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $114Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $128Free CancellationRating
7.9
8,157 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
8.0
4,278 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $178Free CancellationRating
8.0
11,843 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,243 reviews
Search American Airlines flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
9,242 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 17 flights on this route every week with an average price of $320. 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 $128, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $262 round-trip. Delta operates 14 flights out of Seattle into Dallas/Fort Worth Airport in an average week, so prices vary by time and availability. 8,157 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
Plano
Irving
Grapevine
Denton
Thackerville
Grand Prairie
McKinney
Durant
Garland
Richardson
Rockwall
Lewisville
Addison
Ardmore
Allen
Mansfield
Waxahachie

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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