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Cheap flights from Dallas/Fort Worth Airport to Seattle 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 Dallas/Fort Worth Airport to Seattle departing on 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Dallas/Fort Worth Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
Frontier Logo
1:37 pm - 10:25 pmSEA-DFW
6h 48m1 stop
$180Frontier
Find Deal
Mon, Oct 27 - Wed, Nov 5
Frontier Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
Frontier Logo
12:58 pm - 12:10 amSEA-DFW
9h 12m1 stop
$181Frontier
Find Deal
Mon, Oct 27 - Tue, Oct 28
Frontier Logo
10:25 pm - 7:33 amDFW-SEA
11h 08m1 stop
Frontier Logo
4:11 pm - 12:46 amSEA-DFW
6h 35m1 stop
$182Frontier
Find Deal
Sat, Oct 18 - Mon, Oct 20
Frontier Logo
10:30 pm - 7:33 amDFW-SEA
11h 03m1 stop
Frontier Logo
12:58 pm - 12:10 amSEA-DFW
9h 12m1 stop
$183Frontier
Find Deal
Thu, Oct 23 - Wed, Oct 29
Alaska Airlines Logo
4:49 pm - 11:32 pmDFW-SEA
8h 43m1 stop
Alaska Airlines Logo
12:58 am - 6:55 amSEA-DFW
3h 57mnonstop
$184Alaska Airlines
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Sat, Nov 15 - Sat, Nov 15
Delta Logo
7:10 am - 9:35 amDFW-SEA
4h 25mnonstop
Delta Logo
9:25 am - 4:58 pmSEA-DFW
5h 33m1 stop
$187Delta
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Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
6:00 am - 8:32 amDFW-SEA
4h 32mnonstop
Multiple Airlines Logo
7:45 am - 1:47 pmSEA-DFW
4h 02mnonstop
$191Multiple Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Multiple Airlines Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
Multiple Airlines Logo
1:40 pm - 7:46 pmSEA-DFW
4h 06mnonstop
$196Multiple Airlines
Find Deal
Mon, Oct 27 - Wed, Oct 29
Delta Logo
7:55 am - 2:59 pmDFW-SEA
9h 04m1 stop
Delta Logo
2:05 pm - 11:34 pmSEA-DFW
7h 29m1 stop
$197Delta
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Tue, Dec 9 - Mon, Dec 15
Alaska Airlines Logo
11:00 am - 1:31 pmDFW-SEA
4h 31mnonstop
Alaska Airlines Logo
5:58 pm - 11:59 pmSEA-DFW
4h 01mnonstop
$211Alaska Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25

Alaska Airlines flights from Dallas/Fort Worth Airport to Seattle

Our best Alaska Airlines deals on Dallas/Fort Worth Airport to Seattle flight tickets
Alaska Airlines
Nov 15
DFW4:49 pmDallas/Fort Worth
8h 43m
1 stop
SEA11:32 pmSeattle/Tacoma Intl
Nov 15
SEA12:58 amSeattle/Tacoma Intl
3h 57m
DFW6:55 amDallas/Fort Worth
$184
Find similar
Alaska Airlines
Oct 22
DFW11:00 amDallas/Fort Worth
4h 31m
SEA1:31 pmSeattle/Tacoma Intl
Oct 25
SEA5:58 pmSeattle/Tacoma Intl
4h 01m
DFW11:59 pmDallas/Fort Worth
$211
Find similar
Alaska Airlines
Oct 25
DFW6:29 pmDallas/Fort Worth
4h 17m
SEA8:46 pmSeattle/Tacoma Intl
Oct 29
SEA7:44 amSeattle/Tacoma Intl
4h 06m
DFW1:50 pmDallas/Fort Worth
$224
Find similar

Frontier flights from Dallas/Fort Worth Airport to Seattle

Our best Frontier deals on Dallas/Fort Worth Airport to Seattle flight tickets
Frontier
Oct 27
DFW6:30 amDallas/Fort Worth
4h 18m
SEA8:48 amSeattle/Tacoma Intl
Nov 5
SEA1:37 pmSeattle/Tacoma Intl
6h 48m
1 stop
DFW10:25 pmDallas/Fort Worth
$180
Find similar
Frontier
Oct 27
DFW6:30 amDallas/Fort Worth
4h 18m
SEA8:48 amSeattle/Tacoma Intl
Oct 28
SEA12:58 pmSeattle/Tacoma Intl
9h 12m
1 stop
DFW12:10 amDallas/Fort Worth
$181
Find similar
Frontier
Oct 18
DFW10:25 pmDallas/Fort Worth
11h 08m
1 stop
SEA7:33 amSeattle/Tacoma Intl
Oct 20
SEA4:11 pmSeattle/Tacoma Intl
6h 35m
1 stop
DFW12:46 amDallas/Fort Worth
$182
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth Airport to Seattle 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 2, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 10/27

6:30 am-8:48 am

Nonstop4h 18m

Seattle/Tacoma Intl

Wed 11/5

1:37 pm-10:25 pm

1 stop6h 48m

$180

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 10/27

6:30 am-8:48 am

Nonstop4h 18m

Seattle/Tacoma Intl

Tue 10/28

12:58 pm-12:10 am

1 stop9h 12m

$181

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 10/18

10:25 pm-7:33 am

1 stop11h 08m

Seattle/Tacoma Intl

Mon 10/20

4:11 pm-12:46 am

1 stop6h 35m

$182

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 10/23

10:30 pm-7:33 am

1 stop11h 03m

Seattle/Tacoma Intl

Wed 10/29

12:58 pm-12:10 am

1 stop9h 12m

$183

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 11/15

4:49 pm-11:32 pm

1 stop8h 43m

Seattle/Tacoma Intl

Sat 11/15

12:58 am-6:55 am

Nonstop3h 57m

$184

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 11/1

7:10 am-9:35 am

Nonstop4h 25m

Seattle/Tacoma Intl

Sat 11/8

9:25 am-4:58 pm

1 stop5h 33m

$187

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 12/8

6:00 am-8:32 am

Nonstop4h 32m

Seattle/Tacoma Intl

Tue 12/16

7:45 am-1:47 pm

Nonstop4h 02m

$191

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 10/27

6:30 am-8:48 am

Nonstop4h 18m

Seattle/Tacoma Intl

Wed 10/29

1:40 pm-7:46 pm

Nonstop4h 06m

$196

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 12/9

7:55 am-2:59 pm

1 stop9h 04m

Seattle/Tacoma Intl

Mon 12/15

2:05 pm-11:34 pm

1 stop7h 29m

$197

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 10/22

11:00 am-1:31 pm

Nonstop4h 31m

Seattle/Tacoma Intl

Sat 10/25

5:58 pm-11:59 pm

Nonstop4h 01m

$211

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 Seattle from

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to Seattle

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 Dallas/Fort Worth Airport and Seattle?

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Dallas/Fort Worth Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $205. If you don’t want to visit Seattle in January, then you should wait until February to fly from Dallas/Fort Worth Airport, when ticket prices are also cheap, with an average price of $225.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Dallas/Fort Worth Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $327. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Dallas/Fort Worth Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $467.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Dallas/Fort Worth Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $381 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $432. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Dallas/Fort Worth to Seattle/Tacoma Intl flight route?

Fly from Dallas/Fort Worth to Seattle/Tacoma Intl for the best Dallas/Fort Worth - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $274 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dallas/Fort Worth Airport for as low as $244 on momondo.

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

There are 4 cabin classes available to choose from on Dallas/Fort Worth to Seattle/Tacoma Intl 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 Dallas/Fort Worth Airport to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Dallas/Fort Worth Airport to Seattle flight.

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

As of October 2025, prices for Dallas/Fort Worth Airport to Seattle flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Dallas/Fort Worth Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dallas/Fort Worth Airport to Seattle (DFW to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to Seattle

Best Price Found

$181

Fastest flight time

4h 14m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Dallas/Fort Worth Airport in the past 72 hours is $181. The best round-trip flight deal from Dallas/Fort Worth Airport to Seattle found on momondo in the last 72 hours is $266.
The fastest flight from Dallas/Fort Worth Airport to Seattle takes 4h 14m
Direct flights go from Dallas/Fort Worth Airport to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Dallas/Fort Worth to Seattle/Tacoma Intl by plane?

    A flight from Dallas/Fort Worth to Seattle/Tacoma Intl will travel around 1663.5 mi. A reasonable flight in good conditions will take 4h 17m.

  • When did momondo last update prices for flights from Dallas/Fort Worth Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Dallas/Fort Worth Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Dallas/Fort Worth Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Dallas/Fort Worth Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas/Fort Worth Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl 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 Dallas/Fort Worth Airport to Seattle?

  • What is the most popular airline from Dallas/Fort Worth Airport to Seattle?

Best airlines flying from Dallas/Fort Worth Airport to Seattle

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $71Free CancellationRating
5.8
3,155 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $77Free CancellationRating
6.3
8,070 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $123Free CancellationRating
7.8
2,762 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $130Free CancellationRating
7.9
7,962 reviews
Search Delta flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $193Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights

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

    The lowest priced Alaska Airlines flight from Dallas/Fort Worth Airport to Seattle from the last 72 hours was $193. Generally, Alaska Airlines has 7 flights on this route every week with an average price of $328. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Dallas/Fort Worth Airport to Seattle

    Delta is also a popular choice for this route. Delta flight deals for Dallas/Fort Worth Airport to Seattle start from as low as $130 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $284. Delta operates 8 flights to Seattle from Dallas/Fort Worth Airport in an average week. Users have rated it 7.9/10 across 7,962 reviews.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Federal Way
Tukwila
Kirkland
Fife
Centralia
Shoreline
Lakewood
Cle Elum
Redmond
Westport

Why use momondo?

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

Finding the right flight to Seattle from Dallas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Dallas to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dallas to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Dallas to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to Seattle.

I’m not ready to book a flight from Dallas to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Dallas to Seattle 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 Seattle trip

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