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Cheap flights from Dallas 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 to Seattle departing on 2/27. 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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Find the cheapest flights from Dallas to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:45 am - 8:13 am
DFW
-
SEA
22h 28m
1 stop
Multiple Airlines Logo
6:24 pm - 6:01 am
SEA
-
DFW
9h 37m
1 stop
$174Multiple Airlines
mié., mar. 4 - mar., mar. 17
Multiple Airlines Logo
7:00 am - 11:19 am
DFW
-
SEA
6h 19m
1 stop
Multiple Airlines Logo
9:14 pm - 4:30 pm
SEA
-
DFW
17h 16m
1 stop
$175Multiple Airlines
lun., mar. 2 - lun., mar. 2
Multiple Airlines Logo
11:55 am - 12:01 pm
DFW
-
SEA
26h 06m
1 stop
Multiple Airlines Logo
8:30 am - 9:11 pm
SEA
-
DFW
10h 41m
1 stop
$177Multiple Airlines
mié., mar. 4 - mié., mar. 11
Multiple Airlines Logo
6:00 am - 8:34 am
DFW
-
SEA
4h 34mnonstop
Multiple Airlines Logo
1:16 pm - 12:12 am
SEA
-
DFW
8h 56m
1 stop
$179Multiple Airlines
jue., feb. 12 - jue., feb. 19
Frontier Logo
5:45 am - 12:01 pm
DFW
-
SEA
8h 16m
1 stop
Frontier Logo
9:14 pm - 5:47 am
SEA
-
DFW
6h 33m
1 stop
$180Frontier
jue., feb. 19 - lun., feb. 23
Southwest Logo
7:30 am - 9:50 am
DAL
-
SEA
4h 20mnonstop
Southwest Logo
3:10 pm - 8:55 pm
SEA
-
DAL
3h 45mnonstop
$180Southwest
sáb., mar. 7 - sáb., mar. 14
Frontier Logo
2:13 pm - 9:36 am
DFW
-
SEA
21h 23m
1 stop
Frontier Logo
12:54 pm - 11:48 am
SEA
-
DFW
20h 54m
1 stop
$181Frontier
mié., feb. 4 - sáb., feb. 7
Frontier Logo
11:55 am - 12:01 pm
DFW
-
SEA
26h 06m
1 stop
Frontier Logo
12:30 pm - 3:10 pm
SEA
-
DFW
24h 40m
1 stop
$186Frontier
mié., feb. 18 - lun., feb. 23
Southwest Logo
7:30 am - 9:50 am
DAL
-
SEA
4h 20mnonstop
Southwest Logo
5:00 am - 3:05 pm
SEA
-
DAL
8h 05m
1 stop
$190Southwest
sáb., mar. 7 - sáb., mar. 14
Southwest Logo
7:30 am - 9:50 am
DAL
-
SEA
4h 20mnonstop
Southwest Logo
5:00 am - 6:25 pm
SEA
-
DAL
11h 25m
2 stops
$195Southwest
sáb., mar. 7 - sáb., mar. 14

Alaska Airlines flights from Dallas to Seattle

Our best Alaska Airlines deals on Dallas to Seattle flight tickets
Alaska Airlines
Feb 19
DFW6:00 amDallas/Fort Worth
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Feb 20
SEA6:01 pmSeattle/Tacoma Intl
3h 58m
DFW11:59 pmDallas/Fort Worth
$217
Alaska Airlines
Feb 16
DFW6:00 amDallas/Fort Worth
4h 34m
SEA8:34 amSeattle/Tacoma Intl
Feb 23
SEA10:51 pmSeattle/Tacoma Intl
3h 49m
DFW4:40 amDallas/Fort Worth
$227

Frontier flights from Dallas to Seattle

Our best Frontier deals on Dallas to Seattle flight tickets
Frontier
Feb 2
DFW7:00 amDallas/Fort Worth
6h 19m
1 stop
SEA11:19 amSeattle/Tacoma Intl
Feb 5
SEA9:25 pmSeattle/Tacoma Intl
12h 35m
1 stop
DFW12:00 pmDallas/Fort Worth
$180
Frontier
Feb 4
DFW8:45 amDallas/Fort Worth
26h 51m
1 stop
SEA9:36 amSeattle/Tacoma Intl
Feb 9
SEA12:34 pmSeattle/Tacoma Intl
9h 37m
1 stop
DFW12:11 amDallas/Fort Worth
$181
Frontier
Feb 18
DFW11:55 amDallas/Fort Worth
26h 06m
1 stop
SEA12:01 pmSeattle/Tacoma Intl
Feb 23
SEA12:30 pmSeattle/Tacoma Intl
24h 40m
1 stop
DFW3:10 pmDallas/Fort Worth
$186

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 enero 20, 2026.
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

mié. 3/4

11:45 am-8:13 am

1 stop22h 28m

Seattle/Tacoma Intl

mar. 3/17

6:24 pm-6:01 am

1 stop9h 37m

$174

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

lun. 3/2

7:00 am-11:19 am

1 stop6h 19m

Seattle/Tacoma Intl

lun. 3/2

9:14 pm-4:30 pm

1 stop17h 16m

$175

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 3/4

11:55 am-12:01 pm

1 stop26h 06m

Seattle/Tacoma Intl

mié. 3/11

8:30 am-9:11 pm

1 stop10h 41m

$177

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

jue. 2/12

6:00 am-8:34 am

Nonstop4h 34m

Seattle/Tacoma Intl

jue. 2/19

1:16 pm-12:12 am

1 stop8h 56m

$179

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

jue. 2/19

5:45 am-12:01 pm

1 stop8h 16m

Seattle/Tacoma Intl

lun. 2/23

9:14 pm-5:47 am

1 stop6h 33m

$180

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

sáb. 3/7

7:30 am-9:50 am

Nonstop4h 20m

Seattle/Tacoma Intl

sáb. 3/14

3:10 pm-8:55 pm

Nonstop3h 45m

$180

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 2/4

2:13 pm-9:36 am

1 stop21h 23m

Seattle/Tacoma Intl

sáb. 2/7

12:54 pm-11:48 am

1 stop20h 54m

$181

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

mié. 2/18

11:55 am-12:01 pm

1 stop26h 06m

Seattle/Tacoma Intl

lun. 2/23

12:30 pm-3:10 pm

1 stop24h 40m

$186

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

sáb. 3/7

7:30 am-9:50 am

Nonstop4h 20m

Seattle/Tacoma Intl

sáb. 3/14

5:00 am-3:05 pm

1 stop8h 05m

$190

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

sáb. 3/7

7:30 am-9:50 am

Nonstop4h 20m

Seattle/Tacoma Intl

sáb. 3/14

5:00 am-6:25 pm

2 stops11h 25m

$195

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, February 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 $237. If you don’t want to visit Seattle in February, then you should wait until January to fly from Dallas, when ticket prices are also cheap, with an average price of $242.

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 $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 because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $422.

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

Flying to Seattle from Dallas in the morning is the least expensive time of day to depart. momondo users have found prices as low as $358 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $393. 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/Fort Worth 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 $279 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 $260 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

Fastest flight time

4h 10m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Dallas to Seattle takes 4h 10m
Direct flights go from Dallas to Seattle every day.
There is 1 airport in Seattle. From Dallas there are direct flights to 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 $70Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,359 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $119Free CancellationRating
7.9
8,085 reviews
Search Delta flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
United AirlinesPriceFrom $169Free CancellationRating
7.4
9,189 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $180Free CancellationRating
8.0
11,764 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $183Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights

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
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Shoreline

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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