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Cheap flights from Seattle to Dallas from $89

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 1/16. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:02 pm - 11:58 pm
SEA
-
DFW
3h 56mnonstop
Alaska Airlines Logo
6:14 pm - 8:45 pm
DFW
-
SEA
4h 31mnonstop
$177Alaska Airlines
Fri, Jan 9 - Mon, Jan 12
Delta Logo
5:55 pm - 11:45 pm
SEA
-
DFW
3h 50mnonstop
Delta Logo
8:10 am - 10:45 am
DFW
-
SEA
4h 35mnonstop
$178Delta
Sat, Jan 10 - Sat, Jan 17
Frontier Logo
12:26 pm - 12:09 am
SEA
-
DFW
9h 43m1 stop
Frontier Logo
10:21 pm - 4:29 pm
DFW
-
SEA
20h 08m2 stops
$179Frontier
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
10:19 am - 7:55 pm
SEA
-
DFW
7h 36m1 stop
Multiple Airlines Logo
8:00 am - 10:38 am
DFW
-
SEA
4h 38mnonstop
$180Multiple Airlines
Sat, Jan 10 - Sat, Jan 17
Frontier Logo
2:54 pm - 12:09 am
SEA
-
DFW
7h 15m1 stop
Frontier Logo
6:23 pm - 9:04 am
DFW
-
SEA
16h 41m1 stop
$181Frontier
Mon, Jan 5 - Wed, Jan 7
Frontier Logo
9:23 pm - 11:07 am
SEA
-
DFW
11h 44m1 stop
Frontier Logo
2:37 pm - 7:47 pm
DFW
-
SEA
7h 10m1 stop
$182Frontier
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
9:23 pm - 2:15 pm
SEA
-
DFW
14h 52m1 stop
Frontier Logo
11:39 am - 11:09 am
DFW
-
SEA
25h 30m1 stop
$183Frontier
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
12:26 pm - 12:09 am
SEA
-
DFW
9h 43m1 stop
Frontier Logo
10:31 pm - 4:28 pm
DFW
-
SEA
43h 57m2 stops
$184Frontier
Thu, Jan 8 - Tue, Jan 13
Multiple Airlines Logo
1:00 pm - 10:48 pm
SEA
-
DFW
7h 48m1 stop
Multiple Airlines Logo
5:45 am - 5:04 pm
DFW
-
SEA
13h 19m1 stop
$185Multiple Airlines
Tue, Jan 6 - Sat, Jan 10
Frontier Logo
2:54 pm - 12:09 am
SEA
-
DFW
7h 15m1 stop
Frontier Logo
9:59 pm - 1:34 pm
DFW
-
SEA
17h 35m1 stop
$186Frontier
Mon, Jan 5 - Fri, Jan 9

Frontier flights from Seattle to Dallas/Fort Worth Airport

Our best Frontier deals on Seattle to Dallas/Fort Worth Airport flight tickets
Frontier
Jan 9
SEA12:26 pmSeattle/Tacoma Intl
9h 43m
1 stop
DFW12:09 amDallas/Fort Worth
Jan 11
DFW10:21 pmDallas/Fort Worth
20h 08m
2 stops
SEA4:29 pmSeattle/Tacoma Intl
$179
Find similar
Frontier
Jan 15
SEA12:59 pmSeattle/Tacoma Intl
6h 17m
1 stop
DFW9:16 pmDallas/Fort Worth
Jan 22
DFW7:00 amDallas/Fort Worth
6h 19m
1 stop
SEA11:19 amSeattle/Tacoma Intl
$182
Find similar
Frontier
Jan 8
SEA9:23 pmSeattle/Tacoma Intl
14h 52m
1 stop
DFW2:15 pmDallas/Fort Worth
Jan 14
DFW11:39 amDallas/Fort Worth
25h 30m
1 stop
SEA11:09 amSeattle/Tacoma Intl
$183
Find similar

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
Jan 9
SEA6:02 pmSeattle/Tacoma Intl
3h 56m
DFW11:58 pmDallas/Fort Worth
Jan 12
DFW6:14 pmDallas/Fort Worth
4h 31m
SEA8:45 pmSeattle/Tacoma Intl
$177
Find similar
Alaska Airlines
Jan 16
SEA6:02 pmSeattle/Tacoma Intl
3h 56m
DFW11:58 pmDallas/Fort Worth
Jan 18
DFW8:00 amDallas/Fort Worth
4h 38m
SEA10:38 amSeattle/Tacoma Intl
$186
Find similar
Alaska Airlines
Jan 14
SEA6:02 pmSeattle/Tacoma Intl
3h 56m
DFW11:58 pmDallas/Fort Worth
Jan 16
DFW8:00 amDallas/Fort Worth
4h 38m
SEA10:38 amSeattle/Tacoma Intl
$187
Find similar

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 December 11, 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

Fri 1/9

6:02 pm-11:58 pm

Nonstop3h 56m

Dallas/Fort Worth

Mon 1/12

6:14 pm-8:45 pm

Nonstop4h 31m

$177

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 1/10

5:55 pm-11:45 pm

Nonstop3h 50m

Dallas/Fort Worth

Sat 1/17

8:10 am-10:45 am

Nonstop4h 35m

$178

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 1/9

12:26 pm-12:09 am

1 stop9h 43m

Dallas/Fort Worth

Sun 1/11

10:21 pm-4:29 pm

2 stops20h 08m

$179

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 1/10

10:19 am-7:55 pm

1 stop7h 36m

Dallas/Fort Worth

Sat 1/17

8:00 am-10:38 am

Nonstop4h 38m

$180

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 1/5

2:54 pm-12:09 am

1 stop7h 15m

Dallas/Fort Worth

Wed 1/7

6:23 pm-9:04 am

1 stop16h 41m

$181

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 1/8

9:23 pm-11:07 am

1 stop11h 44m

Dallas/Fort Worth

Mon 1/12

2:37 pm-7:47 pm

1 stop7h 10m

$182

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 1/8

9:23 pm-2:15 pm

1 stop14h 52m

Dallas/Fort Worth

Wed 1/14

11:39 am-11:09 am

1 stop25h 30m

$183

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 1/8

12:26 pm-12:09 am

1 stop9h 43m

Dallas/Fort Worth

Tue 1/13

10:31 pm-4:28 pm

2 stops43h 57m

$184

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 1/6

1:00 pm-10:48 pm

1 stop7h 48m

Dallas/Fort Worth

Sat 1/10

5:45 am-5:04 pm

1 stop13h 19m

$185

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 1/5

2:54 pm-12:09 am

1 stop7h 15m

Dallas/Fort Worth

Fri 1/9

9:59 pm-1:34 pm

1 stop17h 35m

$186

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 $252, 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 January is your next best option. Flight prices from Seattle to Dallas/Fort Worth Airport during January average around $257.

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 $433. 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 $567.

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 $317 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 $514 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 $294 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 $247 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 December 2025, 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

$182

Fastest flight time

3h 48m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from Seattle in the past 72 hours is $182. 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 48m
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 48m, 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 $58Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,174 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $131Free CancellationRating
7.8
2,818 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $133Free CancellationRating
7.9
8,009 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $178Free CancellationRating
8.0
11,431 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $181Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
9,095 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 22 flights on this route every week with an average price of $322. 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 $133, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $268 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. 8,009 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
Grapevine
Irving
Denton
Thackerville
Grand Prairie
McKinney
Durant
Garland
Rockwall
Richardson
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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