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Cheap flights from Seattle to Dallas from $112

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 10/7. 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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Cheap round-trip flights

Delta Logo
2:10 pm - 11:35 pmSEA-DFW
7h 25m1 stop
Delta Logo
7:10 am - 9:35 amDFW-SEA
4h 25mnonstop
$196Delta
Find Deal
mar., oct. 7 - mar., oct. 14
Frontier Logo
10:16 am - 4:13 pmSEA-DFW
3h 57mnonstop
Frontier Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
$197Frontier
Find Deal
vie., oct. 10 - lun., oct. 13
Southwest Logo
6:15 am - 4:00 pmSEA-DAL
7h 45m1 stop
Southwest Logo
4:00 pm - 9:45 pmDAL-SEA
7h 45m1 stop
$197Southwest
Find Deal
mié., oct. 29 - vie., oct. 31
Multiple Airlines Logo
12:59 am - 6:54 amSEA-DFW
3h 55mnonstop
Multiple Airlines Logo
6:30 am - 8:48 amDFW-SEA
4h 18mnonstop
$198Multiple Airlines
Find Deal
mar., oct. 21 - lun., oct. 27
Southwest Logo
6:55 am - 3:15 pmSEA-DAL
6h 20m1 stop
Southwest Logo
6:45 pm - 11:45 pmDAL-SEA
7h 00m1 stop
$199Southwest
Find Deal
mar., oct. 14 - mar., oct. 21
Frontier Logo
12:05 pm - 9:46 pmSEA-DFW
7h 41m1 stop
Frontier Logo
2:11 pm - 11:41 amDFW-SEA
23h 30m1 stop
$199Frontier
Find Deal
jue., oct. 2 - dom., oct. 5
Frontier Logo
8:31 pm - 6:45 pmSEA-DFW
20h 14m1 stop
Frontier Logo
10:25 pm - 8:39 pmDFW-SEA
24h 14m1 stop
$200Frontier
Find Deal
lun., sep. 29 - vie., oct. 3
Delta Logo
5:55 pm - 11:54 pmSEA-DFW
3h 59mnonstop
Delta Logo
4:27 pm - 6:55 pmDFW-SEA
4h 28mnonstop
$206Delta
Find Deal
lun., nov. 24 - sáb., dic. 6
Alaska Airlines Logo
9:45 am - 3:49 pmSEA-DFW
4h 04mnonstop
Alaska Airlines Logo
6:09 pm - 8:35 pmDFW-SEA
4h 26mnonstop
$233Alaska Airlines
Find Deal
mar., oct. 28 - mar., oct. 28
Alaska Airlines Logo
12:59 am - 6:54 amSEA-DFW
3h 55mnonstop
Alaska Airlines Logo
6:29 pm - 8:46 pmDFW-SEA
4h 17mnonstop
$243Alaska Airlines
Find Deal
lun., oct. 13 - mar., oct. 21

Frontier flights from Seattle to Dallas

Our best Frontier deals on Seattle to Dallas flight tickets
Frontier
Oct 10
SEA10:16 amSeattle/Tacoma Intl
3h 57m
DFW4:13 pmDallas/Fort Worth
Oct 13
DFW6:30 amDallas/Fort Worth
4h 18m
SEA8:48 amSeattle/Tacoma Intl
$197
Find similar
Frontier
Sep 25
SEA12:05 pmSeattle/Tacoma Intl
7h 21m
1 stop
DFW9:26 pmDallas/Fort Worth
Sep 29
DFW10:25 pmDallas/Fort Worth
26h 34m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$198
Find similar
Frontier
Sep 24
SEA7:00 amSeattle/Tacoma Intl
12h 15m
1 stop
DFW9:15 pmDallas/Fort Worth
Sep 27
DFW2:22 pmDallas/Fort Worth
8h 17m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
$199
Find similar

Alaska Airlines flights from Seattle to Dallas

Our best Alaska Airlines deals on Seattle to Dallas flight tickets
Alaska Airlines
Oct 28
SEA9:45 amSeattle/Tacoma Intl
4h 04m
DFW3:49 pmDallas/Fort Worth
Oct 28
DFW6:09 pmDallas/Fort Worth
4h 26m
SEA8:35 pmSeattle/Tacoma Intl
$233
Find similar
Alaska Airlines
Oct 13
SEA12:59 amSeattle/Tacoma Intl
3h 55m
DFW6:54 amDallas/Fort Worth
Oct 21
DFW6:29 pmDallas/Fort Worth
4h 17m
SEA8:46 pmSeattle/Tacoma Intl
$243
Find similar

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 septiembre 17, 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

mar. 10/7

2:10 pm-11:35 pm

1 stop7h 25m

Dallas/Fort Worth

mar. 10/14

7:10 am-9:35 am

Nonstop4h 25m

$196

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

vie. 10/10

10:16 am-4:13 pm

Nonstop3h 57m

Dallas/Fort Worth

lun. 10/13

6:30 am-8:48 am

Nonstop4h 18m

$197

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

mié. 10/29

6:15 am-4:00 pm

1 stop7h 45m

Dallas Love Field

vie. 10/31

4:00 pm-9:45 pm

1 stop7h 45m

$197

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

mar. 10/21

12:59 am-6:54 am

Nonstop3h 55m

Dallas/Fort Worth

lun. 10/27

6:30 am-8:48 am

Nonstop4h 18m

$198

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

mar. 10/14

6:55 am-3:15 pm

1 stop6h 20m

Dallas Love Field

mar. 10/21

6:45 pm-11:45 pm

1 stop7h 00m

$199

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

jue. 10/2

12:05 pm-9:46 pm

1 stop7h 41m

Dallas/Fort Worth

dom. 10/5

2:11 pm-11:41 am

1 stop23h 30m

$199

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

lun. 9/29

8:31 pm-6:45 pm

1 stop20h 14m

Dallas/Fort Worth

vie. 10/3

10:25 pm-8:39 pm

1 stop24h 14m

$200

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

lun. 11/24

5:55 pm-11:54 pm

Nonstop3h 59m

Dallas/Fort Worth

sáb. 12/6

4:27 pm-6:55 pm

Nonstop4h 28m

$206

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

mar. 10/28

9:45 am-3:49 pm

Nonstop4h 04m

Dallas/Fort Worth

mar. 10/28

6:09 pm-8:35 pm

Nonstop4h 26m

$233

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

lun. 10/13

12:59 am-6:54 am

Nonstop3h 55m

Dallas/Fort Worth

mar. 10/21

6:29 pm-8:46 pm

Nonstop4h 17m

$243

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 October, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $248.

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 $433. 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 $580.

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 $306 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 $529 per ticket.

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

Fly from Seattle/Tacoma Intl to Dallas Love Field 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 $285 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 $239 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

2 airports
The fastest flight from Seattle to Dallas takes 3h 45m
Direct flights go from Seattle to Dallas every day.
There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)
Search flight deals

  • 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 55m 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 $76Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $131Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $134Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $187Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $254Free CancellationRating
7.4
8,926 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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vie. 10/17
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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
Dallas Love Field Airport
Dallas/Fort Worth Airport