Cheap flights from Seattle to Dallas from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dallas departing on 2/14. 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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Multiple Airlines Logo
9:14 pm - 4:30 pm
SEA
-
DFW
17h 16m1 stop
Multiple Airlines Logo
7:00 am - 11:19 am
DFW
-
SEA
6h 19m1 stop
$178Multiple Airlines
Mon, Feb 16 - Mon, Feb 23
Frontier Logo
9:23 pm - 11:07 am
SEA
-
DFW
11h 44m1 stop
Frontier Logo
7:00 am - 11:19 am
DFW
-
SEA
6h 19m1 stop
$179Frontier
Sun, Jan 11 - Thu, Jan 22
Frontier Logo
1:25 pm - 9:32 pm
SEA
-
DFW
6h 07m1 stop
Frontier Logo
6:47 pm - 11:21 am
DFW
-
SEA
18h 34m1 stop
$180Frontier
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
10:19 am - 11:59 pm
SEA
-
DFW
11h 40m1 stop
Multiple Airlines Logo
9:07 pm - 8:10 pm
DFW
-
SEA
25h 03m1 stop
$181Multiple Airlines
Sat, Jan 10 - Sat, Jan 24
Frontier Logo
1:16 pm - 12:12 am
SEA
-
DFW
8h 56m1 stop
Frontier Logo
10:36 pm - 8:51 am
DFW
-
SEA
12h 15m1 stop
$182Frontier
Sat, Feb 14 - Thu, Feb 19
Frontier Logo
6:33 pm - 3:11 pm
SEA
-
DFW
18h 38m1 stop
Frontier Logo
6:45 am - 11:21 am
DFW
-
SEA
6h 36m1 stop
$183Frontier
Mon, Jan 5 - Thu, Jan 8
Frontier Logo
2:54 pm - 9:39 am
SEA
-
DFW
16h 45m1 stop
Frontier Logo
8:00 am - 9:04 am
DFW
-
SEA
27h 04m1 stop
$184Frontier
Fri, Jan 2 - Sat, Jan 10
Southwest Logo
3:10 pm - 8:55 pm
SEA
-
DAL
3h 45mnonstop
Southwest Logo
8:00 am - 10:20 am
DAL
-
SEA
4h 20mnonstop
$237Southwest
Thu, Mar 5 - Tue, Mar 10
Southwest Logo
6:15 am - 2:10 pm
SEA
-
DAL
5h 55m1 stop
Southwest Logo
8:00 am - 10:20 am
DAL
-
SEA
4h 20mnonstop
$247Southwest
Thu, Mar 5 - Tue, Mar 10
Southwest Logo
3:10 pm - 8:55 pm
SEA
-
DAL
3h 45mnonstop
Southwest Logo
6:00 am - 1:50 pm
DAL
-
SEA
9h 50m2 stops
$252Southwest
Thu, Mar 5 - Tue, Mar 10

Alaska Airlines flights from Seattle to Dallas

Our best Alaska Airlines deals on Seattle to Dallas flight tickets
Alaska Airlines
Feb 10
SEA3:50 pmSeattle/Tacoma Intl
3h 59m
DFW9:49 pmDallas/Fort Worth
Feb 18
DFW9:00 amDallas/Fort Worth
4h 40m
SEA11:40 amSeattle/Tacoma Intl
Alaska Airlines
Dec 31
SEA7:45 amSeattle/Tacoma Intl
4h 04m
DFW1:49 pmDallas/Fort Worth
Jan 6
DFW9:27 pmDallas/Fort Worth
4h 35m
SEA12:02 amSeattle/Tacoma Intl
Alaska Airlines
Dec 31
SEA7:45 amSeattle/Tacoma Intl
4h 04m
DFW1:49 pmDallas/Fort Worth
Jan 5
DFW9:27 pmDallas/Fort Worth
4h 35m
SEA12:02 amSeattle/Tacoma Intl

Frontier flights from Seattle to Dallas

Our best Frontier deals on Seattle to Dallas flight tickets
Frontier
Feb 12
SEA1:16 pmSeattle/Tacoma Intl
8h 56m
1 stop
DFW12:12 amDallas/Fort Worth
Feb 22
DFW10:36 pmDallas/Fort Worth
12h 15m
1 stop
SEA8:51 amSeattle/Tacoma Intl
Frontier
Jan 1
SEA1:25 pmSeattle/Tacoma Intl
6h 07m
1 stop
DFW9:32 pmDallas/Fort Worth
Jan 8
DFW6:47 pmDallas/Fort Worth
18h 34m
1 stop
SEA11:21 amSeattle/Tacoma Intl
Frontier
Jan 22
SEA9:25 pmSeattle/Tacoma Intl
12h 35m
1 stop
DFW12:00 pmDallas/Fort Worth
Jan 26
DFW7:00 amDallas/Fort Worth
6h 19m
1 stop
SEA11:19 amSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Dallas 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 December 18, 2025.
Use the filters below to find and compare flights from Seattle to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 2/16

9:14 pm-4:30 pm

1 stop17h 16m

Dallas/Fort Worth

Mon 2/23

7:00 am-11:19 am

1 stop6h 19m

$178

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 1/11

9:23 pm-11:07 am

1 stop11h 44m

Dallas/Fort Worth

Thu 1/22

7:00 am-11:19 am

1 stop6h 19m

$179

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 1/1

1:25 pm-9:32 pm

1 stop6h 07m

Dallas/Fort Worth

Thu 1/8

6:47 pm-11:21 am

1 stop18h 34m

$180

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 1/10

10:19 am-11:59 pm

1 stop11h 40m

Dallas/Fort Worth

Sat 1/24

9:07 pm-8:10 pm

1 stop25h 03m

$181

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 2/14

1:16 pm-12:12 am

1 stop8h 56m

Dallas/Fort Worth

Thu 2/19

10:36 pm-8:51 am

1 stop12h 15m

$182

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 1/5

6:33 pm-3:11 pm

1 stop18h 38m

Dallas/Fort Worth

Thu 1/8

6:45 am-11:21 am

1 stop6h 36m

$183

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 1/2

2:54 pm-9:39 am

1 stop16h 45m

Dallas/Fort Worth

Sat 1/10

8:00 am-9:04 am

1 stop27h 04m

$184

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Thu 3/5

3:10 pm-8:55 pm

Nonstop3h 45m

Dallas Love Field

Tue 3/10

8:00 am-10:20 am

Nonstop4h 20m

$237

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Thu 3/5

6:15 am-2:10 pm

1 stop5h 55m

Dallas Love Field

Tue 3/10

8:00 am-10:20 am

Nonstop4h 20m

$247

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Thu 3/5

3:10 pm-8:55 pm

Nonstop3h 45m

Dallas Love Field

Tue 3/10

6:00 am-1:50 pm

2 stops9h 50m

$252

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 Dallas from

How to get the cheapest flight ticket from Seattle to Dallas

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 Dallas?

If you are unable to visit Dallas during the month of August, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $257.

What is the cheapest day to depart on your flight to Dallas?

On average, the least expensive day to fly to Dallas from Seattle is on a Friday. momondo users have found tickets for Friday departures for as low as $431. 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 Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $567.

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

Flying to Dallas from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $319 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Dallas, so prices are often more expensive at around $509 per ticket.

What is the cheapest Seattle/Tacoma Intl to Dallas flight route?

Fly from Seattle/Tacoma Intl to Dallas/Fort Worth for the best Seattle/Tacoma Intl - Dallas flight prices

How far in advance should I book a flight to Dallas?

You are more likely to see cheaper flights to Dallas from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from Seattle for as low as $247 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to Dallas flight deals and tips

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

Fastest flight time

3h 45m

Direct flights

Every day

Airports in Dallas

3 airports
The fastest flight from Seattle to Dallas takes 3h 45m
Direct flights go from Seattle to Dallas every day.
There are 3 airports in Dallas. From Seattle there are direct flights to Dallas/Fort Worth (DFW), Dallas Love Field (DAL).
  • How far is Seattle/Tacoma Intl to Dallas by plane?

    Seattle/Tacoma Intl and Dallas are 1678.4 mi apart from one another. Typically, this will take 3h 45m by plane in normal conditions.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Dallas refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dallas.

  • What documentation or ID do you need to fly to Dallas?

    The necessary travel and health documents for your Dallas 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.

Best airlines flying from Seattle to Dallas

Compare and see reviews for airlines that fly from Seattle to Dallas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $58Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,189 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $131Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $134Free CancellationRating
7.9
8,009 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $179Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Dallas?

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 Seattle to Dallas for you.

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

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

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

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 Seattle to Dallas.

I’m not ready to book a flight from Seattle to Dallas right now. Can momondo alert me if prices change?

Price alerts on flights to Dallas from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Sat 1/17
Sat 1/24

Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas