Cheap flights from Dallas/Fort Worth Airport to Seattle from $99

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 1/28. 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
9:58 am - 4:28 pm
DFW
-
SEA
8h 30m1 stop
Frontier Logo
12:34 pm - 12:11 am
SEA
-
DFW
9h 37m1 stop
$162Frontier
Sun, Jan 18 - Thu, Jan 22
Frontier Logo
7:00 am - 11:19 am
DFW
-
SEA
6h 19m1 stop
Frontier Logo
12:54 pm - 11:48 am
SEA
-
DFW
20h 54m1 stop
$164Frontier
Thu, Jan 22 - Sat, Jan 31
Frontier Logo
7:00 am - 11:19 am
DFW
-
SEA
6h 19m1 stop
Frontier Logo
1:11 pm - 2:36 pm
SEA
-
DFW
23h 25m1 stop
$165Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
5:45 am - 11:19 am
DFW
-
SEA
7h 34m1 stop
Frontier Logo
10:08 pm - 11:42 am
SEA
-
DFW
11h 34m1 stop
$166Frontier
Mon, Mar 9 - Mon, Mar 9
Delta Logo
6:20 am - 8:53 am
DFW
-
SEA
4h 33mnonstop
Delta Logo
1:38 pm - 9:16 pm
SEA
-
DFW
5h 38m1 stop
$167Delta
Wed, Jan 28 - Wed, Jan 28
Multiple Airlines Logo
8:45 am - 2:57 pm
DFW
-
SEA
8h 12m1 stop
Multiple Airlines Logo
12:34 pm - 12:11 am
SEA
-
DFW
9h 37m1 stop
$169Multiple Airlines
Wed, Jan 28 - Fri, Jan 30
Multiple Airlines Logo
2:35 pm - 8:58 am
DFW
-
SEA
20h 23m1 stop
Multiple Airlines Logo
9:14 pm - 4:30 pm
SEA
-
DFW
17h 16m1 stop
$170Multiple Airlines
Sat, Feb 14 - Mon, Feb 16
Multiple Airlines Logo
9:07 pm - 9:36 am
DFW
-
SEA
38h 29m2 stops
Multiple Airlines Logo
12:01 pm - 10:16 pm
SEA
-
DFW
8h 15m1 stop
$171Multiple Airlines
Tue, Feb 3 - Sun, Feb 8
American Airlines Logo
7:10 am - 9:37 am
DFW
-
SEA
4h 27mnonstop
American Airlines Logo
8:35 am - 2:33 pm
SEA
-
DFW
3h 58mnonstop
$172American Airlines
Thu, Feb 5 - Tue, Feb 10
Multiple Airlines Logo
5:40 pm - 11:39 am
DFW
-
SEA
19h 59m1 stop
Multiple Airlines Logo
1:11 pm - 5:47 am
SEA
-
DFW
14h 36m1 stop
$173Multiple Airlines
Fri, Feb 6 - Mon, Feb 9

Frontier flights from Dallas/Fort Worth Airport to Seattle

Our best Frontier deals on Dallas/Fort Worth Airport to Seattle flight tickets
Frontier
Jan 18
DFW9:58 amDallas/Fort Worth
8h 30m
1 stop
SEA4:28 pmSeattle/Tacoma Intl
Jan 23
SEA12:34 pmSeattle/Tacoma Intl
9h 37m
1 stop
DFW12:11 amDallas/Fort Worth
$162
Frontier
Jan 22
DFW7:00 amDallas/Fort Worth
6h 19m
1 stop
SEA11:19 amSeattle/Tacoma Intl
Jan 31
SEA12:54 pmSeattle/Tacoma Intl
20h 54m
1 stop
DFW11:48 amDallas/Fort Worth
$164
Frontier
Jan 22
DFW7:00 amDallas/Fort Worth
6h 19m
1 stop
SEA11:19 amSeattle/Tacoma Intl
Jan 26
SEA1:11 pmSeattle/Tacoma Intl
23h 25m
1 stop
DFW2:36 pmDallas/Fort Worth
$165

Hawaiian Airlines flights from Dallas/Fort Worth Airport to Seattle

Our best Hawaiian Airlines deals on Dallas/Fort Worth Airport to Seattle flight tickets
Hawaiian Airlines
Feb 6
DFW6:14 pmDallas/Fort Worth
4h 31m
SEA8:45 pmSeattle/Tacoma Intl
Feb 8
SEA3:50 pmSeattle/Tacoma Intl
3h 59m
DFW9:49 pmDallas/Fort Worth
$188
Hawaiian Airlines
Jan 29
DFW8:00 amDallas/Fort Worth
4h 38m
SEA10:38 amSeattle/Tacoma Intl
Feb 4
SEA3:55 pmSeattle/Tacoma Intl
3h 59m
DFW9:54 pmDallas/Fort Worth
$207

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 January 8, 2026.
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

Sun 1/18

9:58 am-4:28 pm

1 stop8h 30m

Seattle/Tacoma Intl

Thu 1/22

12:34 pm-12:11 am

1 stop9h 37m

$162

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 1/22

7:00 am-11:19 am

1 stop6h 19m

Seattle/Tacoma Intl

Sat 1/31

12:54 pm-11:48 am

1 stop20h 54m

$164

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 1/22

7:00 am-11:19 am

1 stop6h 19m

Seattle/Tacoma Intl

Mon 1/26

1:11 pm-2:36 pm

1 stop23h 25m

$165

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 3/9

5:45 am-11:19 am

1 stop7h 34m

Seattle/Tacoma Intl

Mon 3/9

10:08 pm-11:42 am

1 stop11h 34m

$166

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 1/28

6:20 am-8:53 am

Nonstop4h 33m

Seattle/Tacoma Intl

Wed 1/28

1:38 pm-9:16 pm

1 stop5h 38m

$167

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 1/28

8:45 am-2:57 pm

1 stop8h 12m

Seattle/Tacoma Intl

Fri 1/30

12:34 pm-12:11 am

1 stop9h 37m

$169

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 2/14

2:35 pm-8:58 am

1 stop20h 23m

Seattle/Tacoma Intl

Mon 2/16

9:14 pm-4:30 pm

1 stop17h 16m

$170

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 2/3

9:07 pm-9:36 am

2 stops38h 29m

Seattle/Tacoma Intl

Sun 2/8

12:01 pm-10:16 pm

1 stop8h 15m

$171

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 2/5

7:10 am-9:37 am

Nonstop4h 27m

Seattle/Tacoma Intl

Tue 2/10

8:35 am-2:33 pm

Nonstop3h 58m

$172

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 2/6

5:40 pm-11:39 am

1 stop19h 59m

Seattle/Tacoma Intl

Mon 2/9

1:11 pm-5:47 am

1 stop14h 36m

$173

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 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 $227. If you don’t want to visit Seattle in January, then you should wait until April to fly from Dallas/Fort Worth Airport, when ticket prices are also cheap, with an average price of $240.

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 $326. 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 $431.

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

Flying to Seattle from Dallas/Fort Worth Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $361 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $397. 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 $277 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 $256 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 2% 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 January 2026, prices for Dallas/Fort Worth Airport to Seattle flights are approximately 35% more expensive 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

$179

Fastest flight time

4h 20m

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 $179. The best round-trip flight deal from Dallas/Fort Worth Airport to Seattle found on momondo in the last 72 hours is $284.
The fastest flight from Dallas/Fort Worth Airport to Seattle takes 4h 20m
Direct flights go from Dallas/Fort Worth Airport to Seattle every day.
There is 1 airport in Seattle. From Dallas/Fort Worth Airport there are direct flights to Seattle/Tacoma Intl (SEA).
  • 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 20m.

  • 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
5.7
3,061 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,289 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $123Free CancellationRating
7.8
2,824 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $134Free CancellationRating
7.9
8,031 reviews
Search Delta flights
SouthwestPriceFrom $161Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $183Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $183Free CancellationRating
8.0
11,668 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,095 reviews
Search American 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 $183. Generally, Alaska Airlines has 8 flights on this route every week with an average price of $312. 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 $134 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $281. Delta operates 13 flights to Seattle from Dallas/Fort Worth Airport in an average week. Users have rated it 7.9/10 across 8,029 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
Marysville
Puyallup
Redmond
Tukwila
Federal Way
Cle Elum
Lakewood
Fife
Westport
Kirkland
Centralia
Shoreline

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.

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Sat 2/7
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