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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 224

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
23 Aug — 30 Aug1
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 October, booked 90 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap 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 24 July 2026.

Sat 15/88:13 p.m.
SEA
-
DFW
1 stop7h 35m
Frontier
Mon 17/810:51 p.m.
DFW
-
SEA
1 stop13h 48m
Frontier
Deal found 19/7C$ 418
Thu 6/88:53 p.m.
SEA
-
DFW
1 stop6h 55m
Frontier
Sat 15/87:35 a.m.
DFW
-
SEA
1 stop13h 23m
Frontier
Deal found 23/7C$ 421
Thu 17/97:00 p.m.
SEA
-
DFW
1 stop8h 37m
Multiple Airlines
Tue 22/93:56 p.m.
DFW
-
SEA
Nonstop4h 22m
Multiple Airlines
Deal found 21/7C$ 422
Tue 18/88:53 p.m.
SEA
-
DFW
1 stop6h 55m
Multiple Airlines
Tue 25/83:49 p.m.
DFW
-
SEA
Nonstop4h 22m
Multiple Airlines
Deal found 21/7C$ 429
Thu 6/88:53 p.m.
SEA
-
DFW
1 stop6h 55m
Frontier
Wed 12/85:20 a.m.
DFW
-
SEA
1 stop9h 57m
Frontier
Deal found 23/7C$ 438
Tue 4/88:13 p.m.
SEA
-
DFW
1 stop7h 35m
Frontier
Wed 12/85:20 a.m.
DFW
-
SEA
1 stop9h 57m
Frontier
Deal found 23/7C$ 439
Tue 4/87:06 p.m.
SEA
-
DFW
1 stop11h 03m
Frontier
Sat 15/87:35 a.m.
DFW
-
SEA
1 stop13h 23m
Frontier
Deal found 23/7C$ 441
Wed 5/82:22 p.m.
SEA
-
DFW
1 stop15h 47m
Frontier
Wed 12/85:20 a.m.
DFW
-
SEA
1 stop9h 57m
Frontier
Deal found 23/7C$ 443
Wed 5/82:22 p.m.
SEA
-
DFW
1 stop15h 47m
Frontier
Thu 13/87:35 a.m.
DFW
-
SEA
1 stop14h 03m
Frontier
Deal found 23/7C$ 445
Sat 5/95:55 p.m.
SEA
-
DFW
Nonstop4h 00m
Delta
Fri 11/95:35 p.m.
DFW
-
SEA
Nonstop4h 25m
Delta
Deal found 20/7C$ 446

Find 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 24 July 2026.

Round-trip from

C$ 418

One-way from

C$ 224

Popular in

June

Cheapest in

January

Average price

C$ 607

Good round-trip deal

C$ 597 or less
Frontier
  • Frontier
  • 15/8-17/8
  • 2 total stops
  • 21h 23m total
  • Seattle to Dallas
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 6/9
  • Nonstop
  • 4h 06m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Dallas/Fort Worth.
Search Deals

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 24 July 2026.
Use the filters below to find and compare flights from Seattle to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 13/8

11:03 p.m.-5:02 a.m.

Nonstop3h 59m

Dallas/Fort Worth

Mon 17/8

6:24 a.m.-8:45 a.m.

Nonstop4h 21m

C$ 497

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 3/9

6:00 a.m.-11:59 a.m.

Nonstop3h 59m

Dallas/Fort Worth

Wed 9/9

3:56 p.m.-6:18 p.m.

Nonstop4h 22m

C$ 497

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 15/8

9:15 a.m.-3:13 p.m.

Nonstop3h 58m

Dallas/Fort Worth

Mon 17/8

5:00 p.m.-7:27 p.m.

Nonstop4h 27m

C$ 498

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 29/10

12:24 a.m.-6:20 a.m.

Nonstop3h 56m

Dallas/Fort Worth

Sun 1/11

9:37 a.m.-12:07 p.m.

Nonstop4h 30m

C$ 503

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 4/9

10:58 p.m.-5:00 a.m.

Nonstop4h 02m

Dallas/Fort Worth

Tue 8/9

5:59 p.m.-8:21 p.m.

Nonstop4h 22m

C$ 528

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 15/8

5:56 p.m.-11:59 p.m.

Nonstop4h 03m

Dallas/Fort Worth

Mon 17/8

9:00 a.m.-11:20 a.m.

Nonstop4h 20m

C$ 528
Quickest round-trip

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 25/12

11:27 a.m.-5:21 p.m.

Nonstop3h 54m

Dallas/Fort Worth

Thu 31/12

6:16 p.m.-8:37 p.m.

Nonstop4h 21m

C$ 555

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 17/9

7:40 a.m.-7:58 p.m.

1 stop10h 18m

Dallas/Fort Worth

Tue 22/9

1:51 p.m.-8:32 p.m.

2 stops8h 41m

C$ 560

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 18/8

6:21 a.m.-7:42 p.m.

1 stop11h 21m

Dallas/Fort Worth

Sat 22/8

6:20 a.m.-8:38 a.m.

Nonstop4h 18m

C$ 567
Cheapest one-way

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 6/9

7:00 a.m.-5:45 p.m.

1 stop8h 45m

C$ 238

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Booking 89 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$ 407). Flying from Seattle to Dallas/Fort Worth Airport in June is currently the most expensive (average of C$ 655). 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 24 July 2026.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 26% 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 18 July 2026.

Travelers seeking maximum savings on their Seattle to Dallas/Fort Worth Airport flight should consider departing on Saturday at noon 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.

How much does it cost to fly round-trip from Seattle to Dallas/Fort Worth Airport?

Airfare is typical for this route at the moment.

Seattle to Dallas/Fort Worth Airport flights typically cost between C$ 405 and C$ 673 in August.
The cheapest round-trip price found within the last 5 days was C$ 418 on Frontier (15 Aug-17 Aug).

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 24 July 2026.
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
7.9
Good
12,705 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,705 reviews
Alaska Airlines
7.9
Good
12,705 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Hawaiian Airlines
7.8
Good
2,821 reviews
Alaska Airlines
7.9
Good
12,705 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
American Airlines
7.1
Good
11,842 reviews
Alaska Airlines
7.9
Good
12,705 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Frontier
5.6
Fair
2,770 reviews
Alaska Airlines
7.9
Good
12,705 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 48 flights from Seattle/Tacoma Intl to Dallas/Fort Worth per day from 4 different airlines.

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

    Airlines like Alaska Airlines and Delta fly from Seattle to Dallas/Fort Worth Airport in about 3h 58m. 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 Frontier is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at C$ 87. Additional round-trip tickets that might be worth considering are offered by American Airlines and Alaska Airlines, with the lowest prices starting at C$ 154 and C$ 178, respectively. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 82% less than the average price by searching for these airlines.

  • 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 STARLUX Airlines (82%), Alaska Airlines (79%) or Condor (79%) 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$ 692 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 479 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 422.

  • 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$ 407). Flying from Seattle to Dallas/Fort Worth Airport in June is currently the most expensive (average of C$ 655). 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
Arlington
Fort Worth
Allen
Richardson
Cedar Hill
Rockwall
Plano
McKinney

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 4 airlines flying from Seattle to Dallas/Fort Worth

Discover the top 4 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 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 87AverageC$ 317FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 154AverageC$ 361FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 178AverageC$ 470FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 224AverageC$ 351FlexibilityNo cancel feeOn-time85%
Search Hawaiian 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Dallas/Fort Worth for you. Better yet — we are completely free to use.

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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