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Cheap flights from Dallas/Fort Worth Airport to Seattle from $71

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 9/3. 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

Frontier Logo
2:22 pm - 8:39 pmDFW-SEA
8h 17m1 stop
Frontier Logo
1:47 pm - 5:43 amSEA-DFW
13h 56m1 stop
$147Frontier
Find Deal
sáb., oct. 4 - lun., oct. 6
Frontier Logo
12:31 pm - 12:30 amDFW-SEA
13h 59m1 stop
Frontier Logo
7:00 am - 11:00 pmSEA-DFW
14h 00m1 stop
$148Frontier
Find Deal
vie., sep. 5 - sáb., sep. 13
Frontier Logo
12:31 pm - 12:30 amDFW-SEA
13h 59m1 stop
Frontier Logo
12:05 pm - 9:26 pmSEA-DFW
7h 21m1 stop
$151Frontier
Find Deal
jue., sep. 11 - jue., sep. 18
Frontier Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
Frontier Logo
4:11 pm - 12:46 amSEA-DFW
6h 35m1 stop
$153Frontier
Find Deal
lun., oct. 20 - vie., oct. 24
Frontier Logo
7:35 am - 12:07 pmDFW-SEA
6h 32m1 stop
Frontier Logo
4:11 pm - 12:45 amSEA-DFW
6h 34m1 stop
$155Frontier
Find Deal
mié., oct. 22 - dom., oct. 26
Frontier Logo
2:22 pm - 8:39 pmDFW-SEA
8h 17m1 stop
Frontier Logo
7:00 am - 11:00 pmSEA-DFW
14h 00m1 stop
$157Frontier
Find Deal
sáb., sep. 20 - sáb., sep. 27
Frontier Logo
10:56 am - 9:08 pmDFW-SEA
12h 12m1 stop
Frontier Logo
10:16 am - 4:13 pmSEA-DFW
3h 57mnonstop
$159Frontier
Find Deal
vie., oct. 24 - lun., oct. 27
Logo
2:22 pm - 8:39 pmDFW-SEA
8h 17m1 stop
Logo
12:33 am - 6:35 amSEA-DFW
4h 02mnonstop
$188
Find Deal
sáb., sep. 20 - vie., sep. 26
Hawaiian Airlines Logo
8:00 am - 10:36 amDFW-SEA
4h 36mnonstop
Hawaiian Airlines Logo
12:58 am - 6:55 amSEA-DFW
3h 57mnonstop
$199Hawaiian Airlines
Find Deal
vie., oct. 31 - lun., nov. 3
Hawaiian Airlines Logo
6:15 am - 8:32 amDFW-SEA
4h 17mnonstop
Hawaiian Airlines Logo
6:00 am - 12:02 pmSEA-DFW
4h 02mnonstop
$205Hawaiian Airlines
Find Deal
sáb., sep. 13 - sáb., sep. 20

Frontier flights from Dallas/Fort Worth Airport to Seattle

Our best Frontier deals on Dallas/Fort Worth Airport to Seattle flight tickets
Frontier
Oct 4
DFW2:22 pmDallas/Fort Worth
8h 17m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
Oct 6
SEA1:47 pmSeattle/Tacoma Intl
13h 56m
1 stop
DFW5:43 amDallas/Fort Worth
$147
Find similar
Frontier
Sep 5
DFW12:31 pmDallas/Fort Worth
13h 59m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Sep 13
SEA7:00 amSeattle/Tacoma Intl
14h 00m
1 stop
DFW11:00 pmDallas/Fort Worth
$148
Find similar
Frontier
Sep 11
DFW12:31 pmDallas/Fort Worth
13h 59m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Sep 18
SEA12:05 pmSeattle/Tacoma Intl
7h 21m
1 stop
DFW9:26 pmDallas/Fort Worth
$151
Find similar

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
Oct 31
DFW8:00 amDallas/Fort Worth
4h 36m
SEA10:36 amSeattle/Tacoma Intl
Nov 3
SEA12:58 amSeattle/Tacoma Intl
3h 57m
DFW6:55 amDallas/Fort Worth
$199
Find similar
Hawaiian Airlines
Sep 13
DFW6:15 amDallas/Fort Worth
4h 17m
SEA8:32 amSeattle/Tacoma Intl
Sep 20
SEA6:00 amSeattle/Tacoma Intl
4h 02m
DFW12:02 pmDallas/Fort Worth
$205
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 agosto 14, 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

sáb. 10/4

2:22 pm-8:39 pm

1 stop8h 17m

Seattle/Tacoma Intl

lun. 10/6

1:47 pm-5:43 am

1 stop13h 56m

$147

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

vie. 9/5

12:31 pm-12:30 am

1 stop13h 59m

Seattle/Tacoma Intl

sáb. 9/13

7:00 am-11:00 pm

1 stop14h 00m

$148

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

jue. 9/11

12:31 pm-12:30 am

1 stop13h 59m

Seattle/Tacoma Intl

jue. 9/18

12:05 pm-9:26 pm

1 stop7h 21m

$151

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

lun. 10/20

6:30 am-8:48 am

Nonstop4h 18m

Seattle/Tacoma Intl

vie. 10/24

4:11 pm-12:46 am

1 stop6h 35m

$153

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 10/22

7:35 am-12:07 pm

1 stop6h 32m

Seattle/Tacoma Intl

dom. 10/26

4:11 pm-12:45 am

1 stop6h 34m

$155

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

sáb. 9/20

2:22 pm-8:39 pm

1 stop8h 17m

Seattle/Tacoma Intl

sáb. 9/27

7:00 am-11:00 pm

1 stop14h 00m

$157

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

vie. 10/24

10:56 am-9:08 pm

1 stop12h 12m

Seattle/Tacoma Intl

lun. 10/27

10:16 am-4:13 pm

Nonstop3h 57m

$159

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

sáb. 9/20

2:22 pm-8:39 pm

1 stop8h 17m

Seattle/Tacoma Intl

vie. 9/26

12:33 am-6:35 am

Nonstop4h 02m

$188

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

vie. 10/31

8:00 am-10:36 am

Nonstop4h 36m

Seattle/Tacoma Intl

lun. 11/3

12:58 am-6:55 am

Nonstop3h 57m

$199

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

sáb. 9/13

6:15 am-8:32 am

Nonstop4h 17m

Seattle/Tacoma Intl

sáb. 9/20

6:00 am-12:02 pm

Nonstop4h 02m

$205

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 $205. If you don’t want to visit Seattle in January, then you should wait until October 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 $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 $462.

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 $368 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $422. 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 $272 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 $236 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.

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

As of August 2025, prices for Dallas/Fort Worth Airport to Seattle flights are approximately 11% 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

$71

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 $71. The best round-trip flight deal from Dallas/Fort Worth Airport to Seattle found on momondo in the last 72 hours is $147.
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
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $120Free CancellationRating
7.8
2,656 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $130Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Alaska AirlinesPriceFrom $184Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $187Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $188Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

  • Delta Flights From Dallas/Fort Worth Airport to Seattle

    The lowest priced Delta flight from Dallas/Fort Worth Airport to Seattle from the last 72 hours was $130. Generally, Delta has 13 flights on this route every week with an average price of $284. Delta is rated 8.0/10 by our users.

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

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Dallas/Fort Worth Airport to Seattle start from as low as $184 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $326. Alaska Airlines operates 12 flights to Seattle from Dallas/Fort Worth Airport in an average week. Users have rated it 8.0/10 across 10,000 reviews.

Traveling to a place near Seattle?

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

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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