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Cheap flights from Dallas 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 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.
1 adult
0 bags

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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
Sat, Oct 4 - Mon, 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
Fri, Sep 5 - Sat, 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
Thu, Sep 11 - Thu, 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
Mon, Oct 20 - Fri, Oct 24
Logo
2:22 pm - 8:39 pmDFW-SEA
8h 17m1 stop
Logo
12:33 am - 6:35 amSEA-DFW
4h 02mnonstop
$188
Find Deal
Sat, Sep 20 - Fri, Sep 26
Logo
6:30 am - 12:07 pmDFW-SEA
7h 37m1 stop
Logo
12:59 am - 6:54 amSEA-DFW
3h 55mnonstop
$191
Find Deal
Sat, Oct 18 - Mon, Oct 20
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
Fri, Oct 31 - Mon, 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
Sat, Sep 13 - Sat, Sep 20
Southwest Logo
10:15 am - 2:55 pmDAL-SEA
6h 40m1 stop
Southwest Logo
5:50 am - 1:10 pmSEA-DAL
5h 20m1 stop
$210Southwest
Find Deal
Sat, Oct 18 - Tue, Oct 21
Southwest Logo
4:00 pm - 9:40 pmDAL-SEA
7h 40m1 stop
Southwest Logo
12:30 pm - 6:35 pmSEA-DAL
4h 05mnonstop
$215Southwest
Find Deal
Wed, Sep 10 - Wed, Sep 17

Frontier flights from Dallas to Seattle

Our best Frontier deals on Dallas 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 to Seattle

Our best Hawaiian Airlines deals on Dallas 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 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 August 14, 2025.
Use the filters below to find and compare flights from Dallas to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 10/4

2:22 pm-8:39 pm

1 stop8h 17m

Seattle/Tacoma Intl

Mon 10/6

1:47 pm-5:43 am

1 stop13h 56m

$147

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 9/5

12:31 pm-12:30 am

1 stop13h 59m

Seattle/Tacoma Intl

Sat 9/13

7:00 am-11:00 pm

1 stop14h 00m

$148

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 9/11

12:31 pm-12:30 am

1 stop13h 59m

Seattle/Tacoma Intl

Thu 9/18

12:05 pm-9:26 pm

1 stop7h 21m

$151

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 10/20

6:30 am-8:48 am

Nonstop4h 18m

Seattle/Tacoma Intl

Fri 10/24

4:11 pm-12:46 am

1 stop6h 35m

$153

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 9/20

2:22 pm-8:39 pm

1 stop8h 17m

Seattle/Tacoma Intl

Fri 9/26

12:33 am-6:35 am

Nonstop4h 02m

$188

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 10/18

6:30 am-12:07 pm

1 stop7h 37m

Seattle/Tacoma Intl

Mon 10/20

12:59 am-6:54 am

Nonstop3h 55m

$191

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 10/31

8:00 am-10:36 am

Nonstop4h 36m

Seattle/Tacoma Intl

Mon 11/3

12:58 am-6:55 am

Nonstop3h 57m

$199

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 9/13

6:15 am-8:32 am

Nonstop4h 17m

Seattle/Tacoma Intl

Sat 9/20

6:00 am-12:02 pm

Nonstop4h 02m

$205

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Sat 10/18

10:15 am-2:55 pm

1 stop6h 40m

Seattle/Tacoma Intl

Tue 10/21

5:50 am-1:10 pm

1 stop5h 20m

$210

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Wed 9/10

4:00 pm-9:40 pm

1 stop7h 40m

Seattle/Tacoma Intl

Wed 9/17

12:30 pm-6:35 pm

Nonstop4h 05m

$215

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 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 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, 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 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 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 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 to Seattle/Tacoma Intl flight route?

Fly from Dallas Love Field to Seattle/Tacoma Intl for the best Dallas - 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 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 for as low as $236 on momondo.

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

There are 4 cabin classes available to choose from on Dallas 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.

Cheap Dallas to Seattle flight deals and tips

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

Best Price Found

$71

Fastest flight time

4h 10m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Dallas in the past 72 hours is $71. The best round-trip flight deal from Dallas to Seattle found on momondo in the last 72 hours is $147.
The fastest flight from Dallas to Seattle takes 4h 10m
Direct flights go from Dallas to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    The distance between Dallas and Seattle/Tacoma Intl is about 1678.4 mi. A reasonable flight in good conditions will take 4h 10m.

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

    Prices for flights from Dallas to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dallas to Seattle

Compare and see reviews for airlines that fly from Dallas 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

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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to Seattle for you.

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

Yes. All flights to Seattle from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Dallas to Seattle 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 Dallas to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Dallas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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