Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Dallas from $112

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 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Dallas

Cheap round-trip flights

Delta Logo
2:10 pm - 11:35 pmSEA-DFW
7h 25m1 stop
Delta Logo
7:10 am - 9:35 amDFW-SEA
4h 25mnonstop
$196Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
Frontier Logo
10:16 am - 4:13 pmSEA-DFW
3h 57mnonstop
Frontier Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
$197Frontier
Find Deal
Fri, Oct 10 - Mon, Oct 13
Multiple Airlines Logo
12:59 am - 6:54 amSEA-DFW
3h 55mnonstop
Multiple Airlines Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
$198Multiple Airlines
Find Deal
Tue, Oct 21 - Mon, Oct 27
Frontier Logo
12:05 pm - 9:46 pmSEA-DFW
7h 41m1 stop
Frontier Logo
2:11 pm - 11:41 amDFW-SEA
23h 30m1 stop
$199Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
8:31 pm - 6:45 pmSEA-DFW
20h 14m1 stop
Frontier Logo
10:25 pm - 8:39 pmDFW-SEA
24h 14m1 stop
$200Frontier
Find Deal
Mon, Sep 29 - Fri, Oct 3
Frontier Logo
12:30 pm - 5:40 amSEA-DFW
15h 10m2 stops
Frontier Logo
6:35 am - 1:26 pmDFW-SEA
8h 51m1 stop
$201Frontier
Find Deal
Mon, Oct 6 - Fri, Oct 17
Frontier Logo
1:02 pm - 1:12 pmSEA-DFW
22h 10m1 stop
Frontier Logo
10:34 pm - 6:32 pmDFW-SEA
21h 58m1 stop
$202Frontier
Find Deal
Tue, Oct 21 - Wed, Oct 29
Delta Logo
5:55 pm - 11:54 pmSEA-DFW
3h 59mnonstop
Delta Logo
4:27 pm - 6:55 pmDFW-SEA
4h 28mnonstop
$206Delta
Find Deal
Mon, Nov 24 - Sat, Dec 6
Alaska Airlines Logo
9:45 am - 3:49 pmSEA-DFW
4h 04mnonstop
Alaska Airlines Logo
6:09 pm - 8:35 pmDFW-SEA
4h 26mnonstop
$233Alaska Airlines
Find Deal
Tue, Oct 28 - Tue, Oct 28
Alaska Airlines Logo
12:59 am - 6:54 amSEA-DFW
3h 55mnonstop
Alaska Airlines Logo
6:29 pm - 8:46 pmDFW-SEA
4h 17mnonstop
$243Alaska Airlines
Find Deal
Mon, Oct 13 - Tue, Oct 21

Frontier flights from Seattle to Dallas/Fort Worth Airport

Our best Frontier deals on Seattle to Dallas/Fort Worth Airport flight tickets
Frontier
Oct 10
SEA10:16 amSeattle/Tacoma Intl
3h 57m
DFW4:13 pmDallas/Fort Worth
Oct 13
DFW6:30 amDallas/Fort Worth
4h 18m
SEA8:48 amSeattle/Tacoma Intl
$197
Find similar
Frontier
Sep 25
SEA12:05 pmSeattle/Tacoma Intl
7h 21m
1 stop
DFW9:26 pmDallas/Fort Worth
Sep 29
DFW10:25 pmDallas/Fort Worth
26h 34m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$198
Find similar
Frontier
Sep 24
SEA7:00 amSeattle/Tacoma Intl
12h 15m
1 stop
DFW9:15 pmDallas/Fort Worth
Sep 27
DFW2:22 pmDallas/Fort Worth
8h 17m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
$199
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
Oct 28
SEA9:45 amSeattle/Tacoma Intl
4h 04m
DFW3:49 pmDallas/Fort Worth
Oct 28
DFW6:09 pmDallas/Fort Worth
4h 26m
SEA8:35 pmSeattle/Tacoma Intl
$233
Find similar
Alaska Airlines
Oct 13
SEA12:59 amSeattle/Tacoma Intl
3h 55m
DFW6:54 amDallas/Fort Worth
Oct 21
DFW6:29 pmDallas/Fort Worth
4h 17m
SEA8:46 pmSeattle/Tacoma Intl
$243
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 September 17, 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

Tue 10/7

2:10 pm-11:35 pm

1 stop7h 25m

Dallas/Fort Worth

Tue 10/14

7:10 am-9:35 am

Nonstop4h 25m

$196

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 10/10

10:16 am-4:13 pm

Nonstop3h 57m

Dallas/Fort Worth

Mon 10/13

6:30 am-8:48 am

Nonstop4h 18m

$197

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 10/21

12:59 am-6:54 am

Nonstop3h 55m

Dallas/Fort Worth

Mon 10/27

6:30 am-8:48 am

Nonstop4h 18m

$198

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 10/2

12:05 pm-9:46 pm

1 stop7h 41m

Dallas/Fort Worth

Sun 10/5

2:11 pm-11:41 am

1 stop23h 30m

$199

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 9/29

8:31 pm-6:45 pm

1 stop20h 14m

Dallas/Fort Worth

Fri 10/3

10:25 pm-8:39 pm

1 stop24h 14m

$200

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 10/6

12:30 pm-5:40 am

2 stops15h 10m

Dallas/Fort Worth

Fri 10/17

6:35 am-1:26 pm

1 stop8h 51m

$201

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 10/21

1:02 pm-1:12 pm

1 stop22h 10m

Dallas/Fort Worth

Wed 10/29

10:34 pm-6:32 pm

1 stop21h 58m

$202

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 11/24

5:55 pm-11:54 pm

Nonstop3h 59m

Dallas/Fort Worth

Sat 12/6

4:27 pm-6:55 pm

Nonstop4h 28m

$206

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 10/28

9:45 am-3:49 pm

Nonstop4h 04m

Dallas/Fort Worth

Tue 10/28

6:09 pm-8:35 pm

Nonstop4h 26m

$233

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 10/13

12:59 am-6:54 am

Nonstop3h 55m

Dallas/Fort Worth

Tue 10/21

6:29 pm-8:46 pm

Nonstop4h 17m

$243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around $234, 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 October, then January is your next best option. Flight prices from Seattle to Dallas/Fort Worth Airport during January average around $248.

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 $580.

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 $306 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 $529 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 $285 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 $239 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.

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

As of September 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

$186

Fastest flight time

3h 47m

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 $316.
The fastest flight from Seattle to Dallas/Fort Worth Airport takes 3h 47m
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 55m, 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 $76Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $131Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $134Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $187Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,926 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 $187. Generally, Alaska Airlines has 19 flights on this route every week with an average price of $337. 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. 7,961 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
Irving
Grapevine
Plano
Denton
Thackerville
Grand Prairie
Garland
McKinney
Durant
Rockwall
Richardson
Lewisville
Ardmore
Addison
Allen
Waxahachie
Granbury

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.

An easier way to manage your Dallas/Fort Worth Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Dallas