Dallas

$155+ Cheap flights from Seattle (SEA) to Dallas

SEA — DFW
Dec 9 — Dec 161
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas are usually found in January or March, booked 57 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Dallas

Cheapest flights from Seattle to Dallas

Mon 11/309:53 pm -
1 stop16h 14m
Fri 12/48:35 pm -
1 stop21h 08m
Deal found 11/4$218
Fri 12/119:09 pm -
1 stop11h 46m
Mon 12/147:28 am -
1 stop10h 15m
Deal found 11/5$228
Mon 11/309:53 pm -
1 stop16h 14m
Tue 12/88:35 pm -
1 stop21h 08m
Deal found 11/4$231
Mon 11/309:53 pm -
1 stop16h 14m
Thu 12/32:34 pm -
1 stop27h 06m
Deal found 11/4$241
Wed 12/94:58 pm -
1 stop18h 31m
Wed 12/167:28 am -
1 stop10h 15m
Deal found 11/6$242
Mon 11/309:53 pm -
1 stop16h 14m
Tue 12/18:35 pm -
1 stop21h 05m
Deal found 11/4$243
Thu 12/39:07 pm -
1 stop20h 48m
Mon 12/77:28 am -
1 stop10h 15m
Deal found 11/4$248
Wed 12/306:25 pm -
1 stop9h 11m
Sun 1/36:49 pm -
1 stop24h 21m
Deal found 11/4$249
Mon 12/286:25 pm -
1 stop13h 52m
Tue 1/57:11 am -
2 stops12h 36m
Deal found 11/7$250
Fri 12/119:09 pm -
1 stop6h 27m
Mon 12/146:00 am -
Nonstop4h 41m
Deal found 11/5$251
Mon 11/309:53 pm -
1 stop16h 14m
Fri 12/46:00 am -
Nonstop4h 41m
Deal found 11/4$252
Wed 12/94:58 pm -
1 stop18h 31m
Fri 12/117:28 am -
1 stop10h 15m
Deal found 11/4$253

Find flight deals from Seattle to Dallas

Round-trip from

$215

One-way from

$155
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$433
From Seattle/Tacoma Intl to Dallas
One-way flight from Seattle/Tacoma Intl to Dallas
Highest demand for flights based on searches. 10% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

Cheapest round-trip

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 12/8

9:01 am-8:56 pm

2 stops9h 55m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$164

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 12/8

11:37 pm-10:09 am

1 stop8h 32m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$164

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Thu 12/10

9:10 am-5:35 pm

1 stop6h 25m

Dallas Love Field

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$164

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 12/15

6:15 am-5:51 pm

2 stops9h 36m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$164

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sun 12/6

11:59 pm-8:45 am

1 stop6h 46m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$164

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 12/5

6:15 am-5:51 pm

2 stops9h 36m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$169

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Tue 12/8

6:30 am-5:55 pm

1 stop9h 25m

Dallas Love Field

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$189

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Thu 1/14

6:03 pm-11:59 pm

Nonstop3h 56m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$194

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Thu 12/17

5:15 am-4:10 pm

2 stops8h 55m

Dallas Love Field

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$194

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Thu 12/17

5:58 pm-11:53 pm

Nonstop3h 55m

Dallas/Fort Worth

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Dallas

What is the cheapest month to book a flight from Seattle to Dallas?

Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas (average of $296). Flying from Seattle to Dallas in July is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to DFW?

One of the essential ways to save on airfare from Seattle to Dallas is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

Weekly flight availability from Seattle to Dallas

The most flights from SEA to A78 are scheduled on a Sunday (42 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost to fly round-trip from Seattle to Dallas?

Airfare is below average for this route at the moment.
Seattle to Dallas flights typically cost between $343 and $577 in November.
The cheapest round-trip price found within the last 5 days was $215 on Frontier (Nov 19-Nov 22).

How often are flights from Seattle to Dallas delayed?

About 13% of weekly flights between Seattle and Dallas have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Seattle to Dallas flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seattle to Dallas flights?

Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from Seattle to Dallas?

To ensure you get the cheapest price possible for a flight from Seattle to Dallas, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Seattle to Dallas?

Travelers seeking maximum savings on their Seattle to Dallas flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Seattle to Dallas flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Dallas trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Chris Dong

Chris Dong

Expert on DFW

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Paul Rubio

Paul Rubio

Expert on DAL

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Reviews of airlines servicing Dallas

See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Seattle to Dallas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.4

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.4

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.4

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.4

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.4

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.4

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

  • What airport do you fly from for flights from Seattle to Dallas?

    For a flight from Seattle to Dallas, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 35 outbound flights to Dallas per day. 6 airlines have flights to Dallas from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Dallas?

    Delta, Southwest, and Alaska Airlines can get you from Seattle to Dallas in just under 3h 55m. Your travel time can differ by up to 12h 02m. The distance from Seattle to Dallas is about 1667 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Dallas round-trip?

    Currently priced at $118, Frontier will fly you from Seattle to Dallas and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $177 and $197, respectively. Frontier is 70% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Dallas one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $66. Users have also found prices from $116 and $118 on American Airlines and Southwest, respectively.

  • What are the most reliable airlines from Seattle to Dallas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Dallas on time: Alaska Airlines (87%), STARLUX Airlines (85%), KLM (85%).

  • What are the cheapest flights from Seattle to Dallas?

    On average you can expect to pay $966 for a flight from Seattle to Dallas. The cheapest flight overall is $154 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at $285.

  • Can I find deals for flights from Seattle to Dallas that include hotel bookings?

    Yes. In addition to deals on Seattle to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Dallas.

  • Can I find deals for business class flights from Seattle to Dallas?

    Yes. Cheapflights offers flight deals from Seattle to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Dallas?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas (average of $296). Flying from Seattle to Dallas in July is currently the most expensive (average of $476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Seattle to Dallas

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$177Average$469FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$197Average$500FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$226Average$500FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$227Average$392FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$249Average$467FlexibilityNo cancel feeOn-time69%

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