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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 135

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
25 Feb — 4 Mar1
1 adult

The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in September or October, booked 59 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 20 February 2025.

Round-trip from

C$ 197

One-way from

C$ 135

Popular in

May

Cheapest in

September

Average price

C$ 435

Good round-trip deal

C$ 280 or less

Good one-way deal

C$ 175 or less
Frontier
  • Frontier
  • 17/4-22/4
  • 2 total stops
  • 29h 14m total
  • Seattle to Dallas
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Alaska Airlines
  • Alaska Airlines
  • 20/5
  • Nonstop
  • 3h 46m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in February 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 20 February 2025.

Thu 17/412:46 p.m.SEA - DFW
1 stop8h 30mFrontier
Tue 22/46:00 a.m.DFW - SEA
1 stop20h 44mFrontier
Deal found 20/2C$ 197
Tue 18/311:59 p.m.SEA - DFW
Nonstop3h 48mHawaiian Airlines
Tue 25/35:51 p.m.DFW - SEA
Nonstop4h 24mHawaiian Airlines
Deal found 20/2C$ 281
Thu 13/39:45 a.m.SEA - DFW
Nonstop3h 59mDelta
Sat 29/37:00 a.m.DFW - SEA
Nonstop4h 35mDelta
Deal found 20/2C$ 288
Tue 15/411:59 p.m.SEA - DFW
Nonstop3h 43mAlaska Airlines
Wed 16/49:30 a.m.DFW - SEA
Nonstop4h 24mAlaska Airlines
Deal found 20/2C$ 293
Thu 20/312:52 p.m.SEA - DFW
1 stop7h 27mMultiple Airlines
Thu 27/39:30 a.m.DFW - SEA
Nonstop4h 24mMultiple Airlines
Deal found 19/2C$ 295
Fri 28/25:38 p.m.SEA - DFW
1 stop15h 36mSpirit Airlines
Mon 3/37:36 p.m.DFW - SEA
1 stop6h 49mSpirit Airlines
Deal found 20/2C$ 347
Sat 17/55:00 a.m.SEA - DFW
1 stop9h 26mUnited Airlines
Tue 27/56:00 p.m.DFW - SEA
1 stop6h 30mUnited Airlines
Deal found 19/2C$ 371
Wed 19/312:59 a.m.SEA - DFW
Nonstop3h 55mAmerican Airlines
Thu 27/37:05 a.m.DFW - SEA
Nonstop4h 28mAmerican Airlines
Deal found 19/2C$ 436
Thu 3/711:59 p.m.SEA - DFW
1 stop9h 04mSun Country Air
Sun 6/75:35 p.m.DFW - SEA
1 stop16h 27mSun Country Air
Deal found 20/2C$ 476

Find flights from Seattle to Dallas/Fort Worth within your budget

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 20 February 2025.

Fly from

Seattle

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 17/4

12:46 p.m.-11:16 p.m.

1 stop8h 30m

Dallas/Fort Worth

Tue 22/4

6:00 a.m.-12:44 a.m.

1 stop20h 44m

C$ 197

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 18/3

11:59 p.m.-5:47 a.m.

Nonstop3h 48m

Dallas/Fort Worth

Tue 25/3

5:51 p.m.-8:15 p.m.

Nonstop4h 24m

C$ 281

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 13/3

9:45 a.m.-3:44 p.m.

Nonstop3h 59m

Dallas/Fort Worth

Sat 29/3

7:00 a.m.-9:35 a.m.

Nonstop4h 35m

C$ 288

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 15/4

11:59 p.m.-5:42 a.m.

Nonstop3h 43m

Dallas/Fort Worth

Wed 16/4

9:30 a.m.-11:54 a.m.

Nonstop4h 24m

C$ 293

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 20/3

12:52 p.m.-10:19 p.m.

1 stop7h 27m

Dallas/Fort Worth

Thu 27/3

9:30 a.m.-11:54 a.m.

Nonstop4h 24m

C$ 295

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 6/8

5:00 a.m.-1:33 p.m.

1 stop6h 33m

Dallas/Fort Worth

Tue 12/8

7:54 p.m.-12:59 a.m.

1 stop7h 05m

C$ 364

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 19/3

12:59 a.m.-6:54 a.m.

Nonstop3h 55m

Dallas/Fort Worth

Thu 27/3

7:05 a.m.-9:33 a.m.

Nonstop4h 28m

C$ 436

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 3/7

11:59 p.m.-11:03 a.m.

1 stop9h 04m

Dallas/Fort Worth

Sun 6/7

5:35 p.m.-8:02 a.m.

1 stop16h 27m

C$ 476

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 20/5

12:34 a.m.-6:20 a.m.

Nonstop3h 46m

C$ 135

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 18/3

11:59 p.m.-5:47 a.m.

Nonstop3h 48m

C$ 148

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 13 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.

Travel insights for flights from Seattle to Dallas/Fort Worth

Get recent, data-driven insights about flights from Seattle to Dallas/Fort Worth including ideal travel times, pricing trends, and more.

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 14 February 2025.

Booking 59 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 May is currently the most expensive (average of C$ 602). 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 20 February 2025.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 55% 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 16 February 2025.

Travelers seeking maximum savings on their Seattle to Dallas/Fort Worth Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday mornings 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 20 February 2025.

The most flights from SEA to DFW are scheduled on a Thursday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 20 February 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
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
9,692 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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 34 flights from Seattle/Tacoma Intl to Dallas/Fort Worth per day from 5 different airlines.

  • 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$ 197. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at C$ 281 and C$ 288, respectively. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 54% 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 Alaska Airlines (C$ 135), Delta (C$ 148), and Hawaiian 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 Air France (100%), STARLUX Airlines (91%) or Korean Air (82%) 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$ 320 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 119 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 232.

  • 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 May is currently the most expensive (average of C$ 602). 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.

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Alternative routes for Seattle to Dallas/Fort Worth

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Top 5 airlines flying from Seattle to Dallas/Fort Worth

Discover the top 5 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 86AverageC$ 389FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapestC$ 137AverageC$ 255FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 154AverageC$ 337FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 185AverageC$ 344FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 247AverageC$ 447FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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