Dallas/Fort Worth

$107+ Cheap flights from Seattle (SEA) to Dallas/Fort Worth (DFW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
Aug 26 — Sep 21
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in October or January, booked 58 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Seattle to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dallas/Fort Worth (DFW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2025.

Round-trip from

$162
(Priceline)

One-way from

$108
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$277

Good round-trip deal

$313 or less

Good one-way deal

$195 or less
From Seattle/Tacoma Intl to Dallas/Fort Worth
One-way flight from Seattle/Tacoma Intl to Dallas/Fort Worth
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Dallas/Fort Worth.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Dallas/Fort Worth.

Find flight deals from Seattle to Dallas/Fort Worth

Cheapest flights from Seattle to Dallas/Fort Worth
Explore the most affordable flight options available from Seattle to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:39 pmSEA - DFW
1 stop9h 04mFrontier
Mon 10/205:14 amDFW - SEA
1 stop8h 53mFrontier
Deal found 8/21$162
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:02 pmSEA - DFW
1 stop9h 17mFrontier
Thu 10/92:19 pmDFW - SEA
1 stop25h 07mFrontier
Deal found 8/21$163
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:43 pmSEA - DFW
1 stop10h 40mFrontier
Fri 10/246:35 amDFW - SEA
1 stop8h 51mFrontier
Deal found 8/20$166
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:16 amSEA - DFW
Nonstop3h 57mFrontier
Sun 10/126:05 pmDFW - SEA
1 stop25h 39mFrontier
Deal found 8/19$167
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:31 pmSEA - DFW
1 stop20h 09mFrontier
Sun 9/2110:45 pmDFW - SEA
1 stop18h 56mFrontier
Deal found 8/19$168
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:00 amSEA - DFW
1 stop14h 00mFrontier
Tue 9/167:45 amDFW - SEA
1 stop17h 14mFrontier
Deal found 8/19$169
This Gotogate deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:16 amSEA - DFW
Nonstop3h 57mFrontier
Fri 10/176:35 amDFW - SEA
1 stop8h 51mFrontier
Deal found 8/19$171
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:26 pmSEA - DFW
1 stop7h 33mFrontier
Sun 10/126:05 pmDFW - SEA
1 stop25h 39mFrontier
Deal found 8/18$172
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amSEA - DFW
1 stop12h 15mFrontier
Mon 10/135:14 amDFW - SEA
1 stop8h 53mFrontier
Deal found 8/21$173
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:00 amSEA - DFW
1 stop14h 00mFrontier
Tue 10/1410:25 pmDFW - SEA
1 stop15h 42mFrontier
Deal found 8/19$175
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:26 pmSEA - DFW
1 stop7h 33mFrontier
Sun 10/1910:30 pmDFW - SEA
1 stop11h 03mFrontier
Deal found 8/19$176

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Dallas/Fort Worth 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, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Seattle to Dallas/Fort Worth Airport that are best for you.

Fly from

Seattle

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 9/18

12:05 pm-9:26 pm

1 stop7h 21m

Dallas/Fort Worth

Sat 9/20

2:22 pm-8:39 pm

1 stop8h 17m

$162

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 11/13

7:17 pm-5:29 am

1 stop8h 12m

Dallas/Fort Worth

Mon 11/17

10:30 pm-12:13 pm

1 stop15h 43m

$162

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 11/24

5:35 pm-11:29 pm

Nonstop3h 54m

Dallas/Fort Worth

Thu 11/27

4:30 pm-6:59 pm

Nonstop4h 29m

$179

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 9/23

7:00 am-11:15 am

1 stop26h 15m

Dallas/Fort Worth

Tue 9/30

7:45 am-10:59 pm

1 stop17h 14m

$179

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 9/20

7:00 am-11:00 pm

1 stop14h 00m

Dallas/Fort Worth

Tue 9/30

7:45 am-10:59 pm

1 stop17h 14m

$186

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 9/23

7:00 am-11:15 am

1 stop26h 15m

Dallas/Fort Worth

Sat 9/27

2:22 pm-8:39 pm

1 stop8h 17m

$192

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 11/22

5:35 pm-11:29 pm

Nonstop3h 54m

Dallas/Fort Worth

Thu 11/27

4:30 pm-6:59 pm

Nonstop4h 29m

$199

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 9/4

5:50 pm-11:44 pm

Nonstop3h 54m

Dallas/Fort Worth

Tue 9/30

4:30 pm-6:48 pm

Nonstop4h 18m

$199

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 9/5

6:12 am-10:38 am

1 stop26h 26m

Dallas/Fort Worth

Sun 9/7

1:51 pm-12:50 pm

1 stop24h 59m

$199

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 9/12

6:12 am-1:11 pm

1 stop28h 59m

Dallas/Fort Worth

Sun 9/14

1:51 pm-12:52 pm

1 stop25h 01m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 23 results
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The best insider tips for Seattle to Dallas/Fort Worth Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Dallas/Fort Worth Airport trip
Airlines
Alaska Airlines

Alaska Airlines offers Wi-Fi for a flat fee, ideal for business travelers needing to work.


Alaska's MileagePlan awards miles based on distance, not ticket price, offering great value.

Frontier

Frontier offers low fares but charges for extras like carry-on bags and seat selection.


Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.

Read more about Frontierby Marisa Garcia
Airports
SEA

Plan to arrive at SEA at least two hours before your flight due to potentially long security lines, especially during peak travel periods.

Read more about SEAby Brandon Schultz
DFW

Use the DART Orange Line to travel from downtown Dallas to DFW, with a convenient station at Terminal A.

Read more about DFWby Chris Dong
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

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.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

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.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

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.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

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.

Read more

Best time to book a flight from Seattle to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Dallas/Fort Worth Airport

How far ahead should I book a flight from Seattle to Dallas/Fort Worth Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Dallas/Fort Worth. Price data was last updated on August 8, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Dallas/Fort Worth Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Dallas/Fort Worth Airport?

Currently, August is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of $216). Flying from Seattle to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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?

Find hourly flight availability from Seattle to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

One of the essential ways to save on airfare from Seattle to Dallas/Fort Worth Airport 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 43% on airfare.

What is the cheapest day to fly from Seattle to Dallas/Fort Worth Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Dallas/Fort Worth. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Seattle to Dallas/Fort Worth Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas/Fort Worth. Reviews last updated August 21, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Dallas/Fort Worth Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Dallas/Fort Worth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to Dallas/Fort Worth?

    For a flight from Seattle to Dallas/Fort Worth, 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 50 outbound flights to Dallas/Fort Worth per day. 8 airlines have flights to Dallas/Fort Worth from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Dallas/Fort Worth Airport?

    For as low as $179, Frontier can have you in Dallas/Fort Worth Airport from Seattle in 3h 54m. There are 1657 mi between Seattle and Dallas/Fort Worth Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Dallas/Fort Worth Airport round-trip?

    According to our current data, Frontier ($75), Spirit Airlines ($94), and Delta ($131) offers the cheapest pricing from Seattle to Dallas/Fort Worth Airport. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 73% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Dallas/Fort Worth Airport one-way?

    One-way options have recently been found by users for as low as $107 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $107 and Frontier from $109 one-way.

  • What are the most reliable airlines from Seattle to Dallas/Fort Worth Airport?

    No one likes to see their flight delayed. When booking a flight from Seattle to Dallas/Fort Worth Airport consider choosing Delta (78%), Iberia (74%) or KLM (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Dallas/Fort Worth Airport?

    While on average a flight from Seattle to Dallas/Fort Worth Airport is generally $906, our data shows the cheapest flight currently is $111. When looking at the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth), you can expect to pay $147 for that flight.

  • Where are the most common layover locations when flying from Seattle to Dallas/Fort Worth Airport?

  • What are some popular things to do or see while on a layover in Las Vegas?

    The majority of Las Vegas visitors spend their time at Fremont Street Experience, Fountains of Bellagio, and The Colosseum at Caesars Palace. Fremont Street Experience, Fountains of Bellagio, and The Colosseum at Caesars Palace can be visited by traveling about 5.9 mi, 2.3 mi, and 2.6 mi respectively from Las Vegas Harry Reid Intl. Those landing in Las Vegas looking to spend some time exploring during their layover can rent a car for about $54 per day.

  • Where are the least popular layover locations for Seattle to Dallas/Fort Worth Airport flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Dallas/Fort Worth 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/Fort Worth Airport?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of $216). Flying from Seattle to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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

Traveling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Arlington
Allen
Denton
Mansfield
Grapevine
Frisco
Cedar Hill
Garland
Durant
Plano
McKinney
Richardson
Saginaw
Weatherford
Rockwall
Denison
Burleson
Granbury
Carrollton

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Seattle to Dallas/Fort Worth

Discover the top 8 airlines that operate flights from Seattle to Dallas/Fort Worth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$179FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$94Average$219FlexibilityNo cancel feeOn-time65%
DeltaCheapest$131Average$270FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$134Average$284FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$178Average$331FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$179Average$328FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$207Average$297FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$254Average$503FlexibilityNo cancel feeOn-time69%

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