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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 123

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
17 Jun — 24 Jun1
1 adult

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 Wednesday or Friday and return on a Thursday

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 12 June 2025.

Round-trip from

C$ 269

One-way from

C$ 123

Popular in

December

Cheapest in

October

Average price

C$ 458

Good round-trip deal

C$ 265 or less

Good one-way deal

C$ 157 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 30/7-6/8
  • Nonstop
  • 8h 17m total
  • Seattle to Dallas
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Hawaiian Airlines
  • Hawaiian Airlines
  • 31/8
  • Nonstop
  • 4h 02m total
  • Seattle to Dallas
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Highest demand for flights based on searches. 2% potential increase in price (C$ 15 potential increase over avg. RT price).
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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 June 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 12 June 2025.

Wed 30/76:00 a.m.SEA - DFW
Nonstop4h 00mHawaiian Airlines
Wed 6/86:00 a.m.DFW - SEA
Nonstop4h 17mHawaiian Airlines
Deal found 10/6C$ 269
Tue 29/76:00 a.m.SEA - DFW
Nonstop4h 00mAlaska Airlines
Wed 6/86:16 p.m.DFW - SEA
Nonstop4h 19mAlaska Airlines
Deal found 11/6C$ 283
Tue 16/94:58 p.m.SEA - DFW
1 stop10h 21mSpirit Airlines
Sun 21/96:30 a.m.DFW - SEA
1 stop11h 23mSpirit Airlines
Deal found 11/6C$ 302
Tue 29/75:55 p.m.SEA - DFW
Nonstop3h 56mDelta
Fri 15/87:13 a.m.DFW - SEA
Nonstop4h 22mDelta
Deal found 10/6C$ 314
Mon 14/712:20 a.m.SEA - DFW
1 stop9h 04mUnited Airlines
Tue 15/75:25 p.m.DFW - SEA
1 stop7h 12mUnited Airlines
Deal found 11/6C$ 320
Thu 24/73:11 p.m.SEA - DFW
1 stop12h 43mFrontier
Tue 29/710:40 a.m.DFW - SEA
1 stop26h 51mFrontier
Deal found 10/6C$ 371
Mon 21/79:29 a.m.SEA - DFW
Nonstop3h 51mMultiple Airlines
Wed 23/76:00 a.m.DFW - SEA
Nonstop4h 17mMultiple Airlines
Deal found 12/6C$ 417
Wed 17/126:08 p.m.SEA - DFW
1 stop14h 03mSun Country Air
Sat 20/128:34 p.m.DFW - SEA
1 stop22h 44mSun Country Air
Deal found 11/6C$ 526

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 12 June 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 30/7

6:00 a.m.-12:00 p.m.

Nonstop4h 00m

Dallas/Fort Worth

Wed 6/8

6:00 a.m.-8:17 a.m.

Nonstop4h 17m

C$ 269

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 29/7

6:00 a.m.-12:00 p.m.

Nonstop4h 00m

Dallas/Fort Worth

Tue 5/8

1:00 p.m.-3:15 p.m.

Nonstop4h 15m

C$ 283

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 16/9

4:58 p.m.-5:19 a.m.

1 stop10h 21m

Dallas/Fort Worth

Sun 21/9

6:30 a.m.-3:53 p.m.

1 stop11h 23m

C$ 302

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 29/7

5:55 p.m.-11:51 p.m.

Nonstop3h 56m

Dallas/Fort Worth

Fri 15/8

7:13 a.m.-9:35 a.m.

Nonstop4h 22m

C$ 314

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 14/7

12:20 a.m.-11:24 a.m.

1 stop9h 04m

Dallas/Fort Worth

Tue 15/7

5:25 p.m.-10:37 p.m.

1 stop7h 12m

C$ 320

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 24/7

3:11 p.m.-5:54 a.m.

1 stop12h 43m

Dallas/Fort Worth

Tue 29/7

10:40 a.m.-11:31 a.m.

1 stop26h 51m

C$ 371

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 21/7

9:29 a.m.-3:20 p.m.

Nonstop3h 51m

Dallas/Fort Worth

Wed 23/7

6:00 a.m.-8:17 a.m.

Nonstop4h 17m

C$ 417

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 9/10

6:04 p.m.-10:00 a.m.

1 stop13h 56m

Dallas/Fort Worth

Fri 10/10

5:57 p.m.-5:13 p.m.

1 stop25h 16m

C$ 458

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 31/8

6:00 a.m.-12:02 p.m.

Nonstop4h 02m

C$ 123

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 2/7

7:34 p.m.-4:49 a.m.

1 stop7h 15m

C$ 130

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 16 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 9 June 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, July is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of C$ 472). Flying from Seattle to Dallas/Fort Worth Airport in December is currently the most expensive (average of C$ 529). 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 12 June 2025.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 46% on the flight price compared to flying in the evening, 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 8 June 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 12 June 2025.

The most flights from SEA to DFW are scheduled on a Wednesday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

Rainfall in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas/Fort Worth Airport ranges from 48.0 - 125.0 mm per month. May is typically the wettest month, when rainfall can reach 125.0 mm. August is typically the driest time to visit Dallas/Fort Worth Airport when rainfall is around 48.0 mm.

Temperature in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas/Fort Worth Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.0 C).

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 12 June 2025.
Read through reviews of airlines operating flights from Seattle to Dallas, such as Alaska Airlines, Delta and Hawaiian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 45 flights from Seattle/Tacoma Intl to Dallas/Fort Worth per day from 6 different airlines.

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

    Flying on Hawaiian Airlines is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at C$ 269. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Spirit Airlines, with the lowest prices starting at C$ 283 and C$ 304, respectively. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 29% 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 Hawaiian Airlines (C$ 123), United Airlines (C$ 130), and Spirit Airlines (C$ 161).

  • 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 KLM (91%), Cathay Pacific (82%) or Scandinavian Airlines (80%) 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$ 341 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 136 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 290.

  • 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, July is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of C$ 472). Flying from Seattle to Dallas/Fort Worth Airport in December is currently the most expensive (average of C$ 529). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Richardson
Canton
Fort Worth

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Alternative routes for Seattle to Dallas/Fort Worth

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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 83AverageC$ 374FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapestC$ 123AverageC$ 239FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 148AverageC$ 324FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 162AverageC$ 300FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapestC$ 177AverageC$ 357FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 205AverageC$ 372FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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

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

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