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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 152

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in January or August, booked 58 days in advance, depart on a Wednesday or Friday and return on a Monday

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 28 October 2025.

Round-trip from

C$ 248

One-way from

C$ 152

Popular in

December

Cheapest in

January

Average price

C$ 382

Good round-trip deal

C$ 187 or less

Good one-way deal

C$ 124 or less
Alaska Airlines
  • Alaska Airlines
  • 4/12-8/12
  • Nonstop
  • 8h 28m total
  • Seattle to Dallas
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United Airlines
  • United Airlines
  • 31/12
  • 1 total stop
  • 7h 58m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in October 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

Enter your travel dates to find the best prices.

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 28 October 2025.

Thu 4/1212:45 a.m.SEA - DFW
Nonstop3h 55mAlaska Airlines
Mon 8/126:17 p.m.DFW - SEA
Nonstop4h 33mAlaska Airlines
Deal found 28/10C$ 248
Wed 3/121:42 p.m.SEA - DFW
Nonstop3h 58mAlaska Airlines
Wed 3/128:40 p.m.DFW - SEA
Nonstop4h 31mAlaska Airlines
Deal found 28/10C$ 281
Wed 17/125:55 p.m.SEA - DFW
Nonstop3h 55mDelta
Tue 6/18:10 a.m.DFW - SEA
Nonstop4h 35mDelta
Deal found 27/10C$ 285
Wed 3/1212:45 a.m.SEA - DFW
Nonstop3h 55mAlaska Airlines
Sun 7/128:40 p.m.DFW - SEA
Nonstop4h 31mAlaska Airlines
Deal found 27/10C$ 290
Mon 17/1112:58 a.m.SEA - DFW
Nonstop3h 57mAlaska Airlines
Tue 25/117:59 p.m.DFW - SEA
Nonstop4h 31mAlaska Airlines
Deal found 28/10C$ 304
Wed 19/117:44 a.m.SEA - DFW
Nonstop4h 06mAlaska Airlines
Wed 19/114:49 p.m.DFW - SEA
1 stop8h 43mAlaska Airlines
Deal found 28/10C$ 309
Mon 10/1112:58 a.m.SEA - DFW
Nonstop3h 57mMultiple Airlines
Tue 18/117:45 a.m.DFW - SEA
1 stop6h 22mMultiple Airlines
Deal found 28/10C$ 310
Sun 7/1212:45 a.m.SEA - DFW
Nonstop3h 55mAlaska Airlines
Tue 9/124:40 p.m.DFW - SEA
1 stop6h 09mAlaska Airlines
Deal found 28/10C$ 318
Thu 4/128:25 a.m.SEA - DFW
1 stop6h 52mAlaska Airlines
Thu 4/126:17 p.m.DFW - SEA
Nonstop4h 33mAlaska Airlines
Deal found 28/10C$ 323
Thu 11/1212:45 p.m.SEA - DFW
1 stop14h 15mAlaska Airlines
Sun 14/127:40 a.m.DFW - SEA
Nonstop4h 38mAlaska Airlines
Deal found 28/10C$ 331
Wed 19/1112:58 a.m.SEA - DFW
Nonstop3h 57mAlaska Airlines
Wed 26/118:00 a.m.DFW - SEA
Nonstop4h 42mAlaska Airlines
Deal found 28/10C$ 333

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 629,999 searches. Data last updated 28 October 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

Wed 3/12

12:45 a.m.-6:40 a.m.

Nonstop3h 55m

Dallas/Fort Worth

Thu 4/12

8:40 p.m.-11:11 p.m.

Nonstop4h 31m

C$ 248

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 25/1

5:55 p.m.-11:45 p.m.

Nonstop3h 50m

Dallas/Fort Worth

Sun 15/2

4:30 p.m.-7:00 p.m.

Nonstop4h 30m

C$ 248

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 9/1

5:55 p.m.-11:45 p.m.

Nonstop3h 50m

Dallas/Fort Worth

Mon 12/1

8:10 a.m.-10:45 a.m.

Nonstop4h 35m

C$ 248

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 27/2

6:00 p.m.-11:48 p.m.

Nonstop3h 48m

Dallas/Fort Worth

Tue 3/3

5:50 p.m.-8:22 p.m.

Nonstop4h 32m

C$ 248

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 9/12

8:25 a.m.-5:17 p.m.

1 stop6h 52m

Dallas/Fort Worth

Mon 15/12

7:40 a.m.-10:18 a.m.

Nonstop4h 38m

C$ 318

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 10/3

9:50 a.m.-3:42 p.m.

Nonstop3h 52m

Dallas/Fort Worth

Wed 11/3

7:15 a.m.-11:38 a.m.

1 stop6h 23m

C$ 318

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 17/12

7:15 a.m.-11:34 p.m.

2 stops14h 19m

Dallas/Fort Worth

Tue 6/1

8:10 a.m.-10:45 a.m.

Nonstop4h 35m

C$ 323

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 8/1

8:23 a.m.-2:27 p.m.

Nonstop4h 04m

Dallas/Fort Worth

Mon 12/1

4:54 p.m.-10:33 p.m.

1 stop7h 39m

C$ 331

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 11/12

8:25 a.m.-5:17 p.m.

1 stop6h 52m

Dallas/Fort Worth

Sun 14/12

8:40 p.m.-11:11 p.m.

Nonstop4h 31m

C$ 331

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 7/12

12:45 a.m.-6:40 a.m.

Nonstop3h 55m

Dallas/Fort Worth

Thu 11/12

6:20 a.m.-11:49 a.m.

1 stop7h 29m

C$ 331

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 24 results
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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 24 October 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, January is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of C$ 91). Flying from Seattle to Dallas/Fort Worth Airport in May is currently the most expensive (average of C$ 228). 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 28 October 2025.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

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 26 October 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 28 October 2025.
Read through reviews of airlines operating flights from Seattle to Dallas/Fort Worth Airport, such as Alaska Airlines,Hawaiian Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,204 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,204 reviews
Alaska Airlines
8.0
Very good
11,204 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,794 reviews
Alaska Airlines
8.0
Very good
11,204 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,032 reviews
Alaska Airlines
8.0
Very good
11,204 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Spirit Airlines
6.3
Okay
8,116 reviews
Alaska Airlines
8.0
Very good
11,204 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,124 reviews
Alaska Airlines
8.0
Very good
11,204 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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?

    If you book a flight to Dallas/Fort Worth from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 35 flights from Seattle/Tacoma Intl to Dallas/Fort Worth per day from 6 different airlines.

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

    Airlines like Delta and Alaska Airlines fly from Seattle to Dallas/Fort Worth Airport in about 3h 50m. The time it takes to get you to your destination is usually consistent. The distance from Seattle to Dallas/Fort Worth Airport is about 2667 km. All flights are typically direct.

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

    Flying on Delta is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at C$ 105. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at C$ 134 and C$ 169, respectively. 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?

    The cheapest airlines for a one-way flight from Seattle to Dallas/Fort Worth Airport are United Airlines (C$ 152), Delta (C$ 162), and Alaska Airlines (C$ 168).

  • 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 Frontier (100%), Iberia (82%) or American Airlines (81%) 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?

    On average you can expect to pay C$ 230 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 47 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 256.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of C$ 91). Flying from Seattle to Dallas/Fort Worth Airport in May is currently the most expensive (average of C$ 228). 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

Travelling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Richardson
Rockwall
Fort Worth

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Dallas/Fort Worth

See prices for flight routes from nearby airports that may be better suited for you.
Bellingham to Dallas/Fort Worth flights

Top 6 airlines flying from Seattle to Dallas/Fort Worth

Discover the top 6 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 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 105AverageC$ 345FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 134AverageC$ 252FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 169AverageC$ 338FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapestC$ 171AverageC$ 307FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 176AverageC$ 373FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapestC$ 212AverageC$ 325FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Dallas/Fort Worth?

Deals for Seattle to Dallas/Fort Worth flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Dallas/Fort Worth?

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Can Cheapflights find flights from Seattle to Dallas/Fort Worth with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Dallas/Fort Worth flexibly with Cheapflights today.

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