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$124+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in October or September, booked 58 days in advance, depart on a Friday or Wednesday 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 1, 2025.

Round-trip from

$179
(Hawaiian Airlines)

One-way from

$124
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$267

Good round-trip deal

$306 or less

Good one-way deal

$192 or less
From Seattle/Tacoma Intl to Dallas/Fort Worth
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One-way flight from Seattle/Tacoma Intl to Dallas/Fort Worth
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Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Dallas/Fort Worth.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Dallas/Fort Worth.
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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 1, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:33 amSEA - DFW
Nonstop4h 02mHawaiian Airlines
Sun 8/318:37 pmDFW - SEA
Nonstop4h 17mHawaiian Airlines
Deal found 7/31$179
This Priceline deal was found by Cheapflights users on 7/29. 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.
Fri 10/249:24 amSEA - DFW
Nonstop4h 08mFrontier
Mon 10/276:00 amDFW - SEA
Nonstop4h 29mFrontier
Deal found 7/29$184
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:33 amSEA - DFW
Nonstop4h 02mAlaska Airlines
Tue 9/212:35 pmDFW - SEA
Nonstop4h 19mAlaska Airlines
Deal found 7/31$198
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:59 pmSEA - DFW
1 stop6h 47mUnited Airlines
Mon 12/151:48 pmDFW - SEA
2 stops9h 12mUnited Airlines
Deal found 7/31$252
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:50 pmSEA - DFW
Nonstop3h 54mDelta
Tue 8/267:13 amDFW - SEA
Nonstop4h 22mDelta
Deal found 8/1$253
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/71:42 pmSEA - DFW
1 stop9h 42mMultiple Airlines
Tue 8/1211:46 amDFW - SEA
1 stop6h 39mMultiple Airlines
Deal found 7/30$262

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 1, 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

Fri 8/29

12:33 am-6:35 am

Nonstop4h 02m

Dallas/Fort Worth

Sun 8/31

8:37 pm-10:54 pm

Nonstop4h 17m

$179

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 10/24

9:24 am-3:32 pm

Nonstop4h 08m

Dallas/Fort Worth

Mon 10/27

6:00 am-8:29 am

Nonstop4h 29m

$184

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 8/29

12:33 am-6:35 am

Nonstop4h 02m

Dallas/Fort Worth

Tue 9/2

12:35 pm-2:54 pm

Nonstop4h 19m

$198

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 12/13

11:59 pm-8:46 am

1 stop6h 47m

Dallas/Fort Worth

Mon 12/15

1:48 pm-9:00 pm

2 stops9h 12m

$252

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 8/20

5:50 pm-11:44 pm

Nonstop3h 54m

Dallas/Fort Worth

Tue 8/26

7:13 am-9:35 am

Nonstop4h 22m

$253

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 1/17

12:27 am-6:20 am

Nonstop3h 53m

Dallas/Fort Worth

Wed 2/4

6:50 pm-9:19 pm

Nonstop4h 29m

$263

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 9/3

12:45 pm-4:55 am

1 stop14h 10m

$124

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 9/4

3:36 pm-11:40 pm

1 stop6h 04m

$129

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 8/28

5:56 pm-11:59 pm

Nonstop4h 03m

$131

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 8/30

12:40 pm-11:10 pm

1 stop8h 30m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 14 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.

Read more about Alaska Airlinesby Robert Schrader
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 July 25, 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 1, 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 July 27, 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.

Weekly flight availability from Seattle to Dallas/Fort Worth Airport

Explore weekly flight availability from Seattle to Dallas/Fort Worth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2025.

The most flights from SEA to DFW are scheduled on a Thursday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

What’s the top layover airport for flights from Seattle to Dallas/Fort Worth Airport?

Share of 1-stop round-trip flights from Seattle to Dallas/Fort Worth Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Portland (PDX) – chosen by Cheapflights users on 89% of 1-stop itineraries from Seattle to Dallas/Fort Worth Airport on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Dallas/Fort Worth Airport?

Average round-trip fare for 1-stop flights from Seattle to Dallas/Fort Worth Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $105.

What’s the fastest layover option from Seattle to Dallas/Fort Worth Airport?

Shortest average travel time for 1-stop one-way flights from Seattle to Dallas/Fort Worth Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Portland (PDX) have the shortest average one-way travel time for 1-stop routes: 7h 40m.

Which airport typically offers the quickest layover for flights from Seattle to Dallas/Fort Worth Airport?

Average layover duration for 1-stop one-way flights from Seattle to Dallas/Fort Worth Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Portland (PDX) offer the fastest connection on this route, with an average layover time of 3h 23m.

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 1, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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

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

    According to our current data, Hawaiian Airlines ($179), Frontier ($184), and Alaska Airlines ($198) 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 36% 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 $124 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $129 and Hawaiian Airlines from $131 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 (76%), KLM (71%) or American Airlines (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 $871, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth), you can expect to pay $195 for that flight.

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

    Of the flights from Seattle to Dallas/Fort Worth Airport that have layovers, most of them stop in Las Vegas.

  • 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, The Colosseum at Caesars Palace, and Stratosphere Tower. Fremont Street Experience, The Colosseum at Caesars Palace, and Stratosphere Tower can be visited by traveling about 5.9 mi, 2.6 mi, and 4.3 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 $62 per day.

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

    The least popular layover on flights from Seattle to Dallas/Fort Worth Airport is Denver.

  • 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
Richardson
Plano
Denton
Allen
Frisco
Mansfield
Grapevine
Cedar Hill
Garland
Durant
Saginaw
Rockwall
McKinney
Weatherford
Denison
Burleson
Granbury
Carrollton

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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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$94Average$215FlexibilityNo cancel feeOn-time65%
DeltaCheapest$131Average$264FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$132Average$287FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$330FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$178Average$327FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$242Average$299FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$254Average$503FlexibilityNo cancel feeOn-time69%

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