Cheap flights from Dallas/Fort Worth Airport to Seattle from $82

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 1/20. 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
6:05 am - 5:20 pmDFW-SEA
13h 15m1 stop
Frontier Logo
7:13 pm - 5:13 pmSEA-DFW
20h 00m1 stop
$161Frontier
Find Deal
dom., dic. 21 - mar., ene. 6
Frontier Logo
7:25 am - 7:51 pmDFW-SEA
14h 26m1 stop
Frontier Logo
5:43 pm - 1:15 amSEA-DFW
29h 32m2 stops
$162Frontier
Find Deal
jue., ene. 15 - dom., ene. 18
Delta Logo
7:10 am - 9:50 amDFW-SEA
4h 40mnonstop
Delta Logo
5:55 pm - 11:50 pmSEA-DFW
3h 55mnonstop
$163Delta
Find Deal
mié., dic. 10 - jue., dic. 11
Multiple Airlines Logo
10:45 am - 4:36 pmDFW-SEA
7h 51m1 stop
Multiple Airlines Logo
12:45 am - 6:40 amSEA-DFW
3h 55mnonstop
$164Multiple Airlines
Find Deal
lun., dic. 8 - mié., dic. 10
Frontier Logo
10:45 am - 4:36 pmDFW-SEA
7h 51m1 stop
Frontier Logo
3:40 pm - 11:07 amSEA-DFW
17h 27m1 stop
$166Frontier
Find Deal
lun., dic. 8 - lun., dic. 15
Multiple Airlines Logo
6:00 am - 12:14 pmDFW-SEA
8h 14m1 stop
Multiple Airlines Logo
6:01 pm - 11:59 pmSEA-DFW
3h 58mnonstop
$167Multiple Airlines
Find Deal
vie., feb. 27 - jue., mar. 5
Multiple Airlines Logo
3:56 pm - 9:34 amDFW-SEA
19h 38m1 stop
Multiple Airlines Logo
12:31 am - 6:20 amSEA-DFW
3h 49mnonstop
$168Multiple Airlines
Find Deal
mié., feb. 11 - dom., mar. 1
Multiple Airlines Logo
6:00 am - 11:53 amDFW-SEA
7h 53m1 stop
Multiple Airlines Logo
1:42 pm - 7:40 pmSEA-DFW
3h 58mnonstop
$169Multiple Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13
Multiple Airlines Logo
6:05 am - 5:20 pmDFW-SEA
13h 15m1 stop
Multiple Airlines Logo
8:23 am - 2:22 pmSEA-DFW
3h 59mnonstop
$170Multiple Airlines
Find Deal
dom., dic. 21 - mié., ene. 7
Frontier Logo
10:38 pm - 10:06 amDFW-SEA
13h 28m1 stop
Frontier Logo
3:40 pm - 12:20 amSEA-DFW
6h 40m1 stop
$171Frontier
Find Deal
mié., dic. 3 - vie., dic. 5

Delta flights from Dallas/Fort Worth Airport to Seattle

Our best Delta deals on Dallas/Fort Worth Airport to Seattle flight tickets
Delta
Dec 10
DFW7:10 amDallas/Fort Worth
4h 40m
SEA9:50 amSeattle/Tacoma Intl
Dec 13
SEA5:55 pmSeattle/Tacoma Intl
3h 55m
DFW11:50 pmDallas/Fort Worth
Delta
Jan 10
DFW8:10 amDallas/Fort Worth
6h 23m
1 stop
SEA12:33 pmSeattle/Tacoma Intl
Jan 12
SEA5:55 pmSeattle/Tacoma Intl
3h 50m
DFW11:45 pmDallas/Fort Worth
Delta
Jan 8
DFW8:10 amDallas/Fort Worth
4h 35m
SEA10:45 amSeattle/Tacoma Intl
Jan 12
SEA5:55 pmSeattle/Tacoma Intl
3h 50m
DFW11:45 pmDallas/Fort Worth

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
Feb 26
DFW6:00 amDallas/Fort Worth
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Feb 28
SEA12:31 amSeattle/Tacoma Intl
3h 49m
DFW6:20 amDallas/Fort Worth
Alaska Airlines
Dec 20
DFW9:27 pmDallas/Fort Worth
4h 35m
SEA12:02 amSeattle/Tacoma Intl
Jan 6
SEA10:05 amSeattle/Tacoma Intl
3h 58m
DFW4:03 pmDallas/Fort Worth
Alaska Airlines
Dec 11
DFW8:40 pmDallas/Fort Worth
4h 31m
SEA11:11 pmSeattle/Tacoma Intl
Dec 13
SEA12:45 amSeattle/Tacoma Intl
3h 55m
DFW6:40 amDallas/Fort Worth

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 noviembre 20, 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

dom. 12/21

6:05 am-5:20 pm

1 stop13h 15m

Seattle/Tacoma Intl

mar. 1/6

7:13 pm-5:13 pm

1 stop20h 00m

$161

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

jue. 1/15

7:25 am-7:51 pm

1 stop14h 26m

Seattle/Tacoma Intl

dom. 1/18

5:43 pm-1:15 am

2 stops29h 32m

$162

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 12/10

7:10 am-9:50 am

Nonstop4h 40m

Seattle/Tacoma Intl

jue. 12/11

5:55 pm-11:50 pm

Nonstop3h 55m

$163

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

lun. 12/8

10:45 am-4:36 pm

1 stop7h 51m

Seattle/Tacoma Intl

mié. 12/10

12:45 am-6:40 am

Nonstop3h 55m

$164

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

lun. 12/8

10:45 am-4:36 pm

1 stop7h 51m

Seattle/Tacoma Intl

lun. 12/15

3:40 pm-11:07 am

1 stop17h 27m

$166

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

vie. 2/27

6:00 am-12:14 pm

1 stop8h 14m

Seattle/Tacoma Intl

jue. 3/5

6:01 pm-11:59 pm

Nonstop3h 58m

$167

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 2/11

3:56 pm-9:34 am

1 stop19h 38m

Seattle/Tacoma Intl

dom. 3/1

12:31 am-6:20 am

Nonstop3h 49m

$168

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

sáb. 12/6

6:00 am-11:53 am

1 stop7h 53m

Seattle/Tacoma Intl

sáb. 12/13

1:42 pm-7:40 pm

Nonstop3h 58m

$169

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

dom. 12/21

6:05 am-5:20 pm

1 stop13h 15m

Seattle/Tacoma Intl

mié. 1/7

8:23 am-2:22 pm

Nonstop3h 59m

$170

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 12/3

10:38 pm-10:06 am

1 stop13h 28m

Seattle/Tacoma Intl

vie. 12/5

3:40 pm-12:20 am

1 stop6h 40m

$171

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 $198. 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 $332. 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 $460.

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 $378 when looking at flights departing in the morning. 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 $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 $253 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?

No. A direct flight is the cheapest option for a flight between Dallas/Fort Worth Airport to Seattle.

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

As of November 2025, prices for Dallas/Fort Worth Airport to Seattle flights are approximately 40% 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

$135

Fastest flight time

4h 18m

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 $135. The best round-trip flight deal from Dallas/Fort Worth Airport to Seattle found on momondo in the last 72 hours is $265.
The fastest flight from Dallas/Fort Worth Airport to Seattle takes 4h 18m
Direct flights go from Dallas/Fort Worth Airport to Seattle every day.
There is 1 airport near Seattle: 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 22m.

  • 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 $69Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $77Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $123Free CancellationRating
7.8
2,811 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $130Free CancellationRating
7.9
8,002 reviews
Search Delta flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
United AirlinesPriceFrom $183Free CancellationRating
7.4
9,027 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $186Free CancellationRating
8.0
11,321 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,045 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 $186. Generally, Alaska Airlines has 5 flights on this route every week with an average price of $325. 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 $282. Delta operates 14 flights to Seattle from Dallas/Fort Worth Airport in an average week. Users have rated it 7.9/10 across 8,002 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
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
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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1 adult
sáb. 12/20
sáb. 12/27

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