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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 103

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas/Fort Worth are usually found in September or October, 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 25 March 2025.

Round-trip from

C$ 236

One-way from

C$ 103

Popular in

May

Cheapest in

September

Average price

C$ 410

Good round-trip deal

C$ 207 or less

Good one-way deal

C$ 198 or less
Spirit Airlines
  • Spirit Airlines
  • 16/4-22/4
  • 2 total stops
  • 35h 20m total
  • Seattle to Dallas
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Spirit Airlines
  • Spirit Airlines
  • 10/5
  • 1 total stop
  • 10h 23m total
  • Seattle to Dallas
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Highest demand for flights based on searches. 16% potential increase in price (C$ 118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Tue 29/412:33 p.m.SEA - DFW
Nonstop4h 00mHawaiian Airlines
Wed 30/48:00 a.m.DFW - SEA
Nonstop4h 24mHawaiian Airlines
Deal found 23/3C$ 248
Wed 16/45:45 p.m.SEA - DFW
Nonstop3h 52mDelta
Sat 19/47:05 a.m.DFW - SEA
Nonstop4h 30mDelta
Deal found 23/3C$ 271
Fri 18/48:56 p.m.SEA - DFW
1 stop6h 54mMultiple Airlines
Mon 21/47:25 a.m.DFW - SEA
Nonstop4h 23mMultiple Airlines
Deal found 23/3C$ 279
Thu 17/412:30 p.m.SEA - DFW
1 stop6h 47mSpirit Airlines
Thu 24/410:25 p.m.DFW - SEA
1 stop17h 00mSpirit Airlines
Deal found 23/3C$ 291
Wed 16/412:59 a.m.SEA - DFW
Nonstop3h 55mAmerican Airlines
Tue 22/47:00 a.m.DFW - SEA
Nonstop4h 29mAmerican Airlines
Deal found 24/3C$ 299
Tue 15/411:59 p.m.SEA - DFW
Nonstop3h 43mAlaska Airlines
Sun 20/47:25 a.m.DFW - SEA
Nonstop4h 23mAlaska Airlines
Deal found 22/3C$ 312
Tue 15/77:34 p.m.SEA - DFW
1 stop7h 15mUnited Airlines
Thu 31/78:00 p.m.DFW - SEA
1 stop6h 59mUnited Airlines
Deal found 23/3C$ 358
Fri 28/310:57 a.m.SEA - DFW
Nonstop3h 51mFrontier
Fri 4/412:57 p.m.DFW - SEA
Nonstop4h 29mFrontier
Deal found 24/3C$ 427
Thu 16/106:29 p.m.SEA - DFW
1 stop20h 05mSun Country Air
Sun 26/109:34 a.m.DFW - SEA
1 stop9h 27mSun Country Air
Deal found 24/3C$ 530

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 25 March 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

Tue 29/4

12:33 p.m.-6:33 p.m.

Nonstop4h 00m

Dallas/Fort Worth

Wed 30/4

8:00 a.m.-10:24 a.m.

Nonstop4h 24m

C$ 248

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 16/4

5:45 p.m.-11:37 p.m.

Nonstop3h 52m

Dallas/Fort Worth

Sat 19/4

7:05 a.m.-9:35 a.m.

Nonstop4h 30m

C$ 271

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 18/4

8:56 p.m.-5:50 a.m.

1 stop6h 54m

Dallas/Fort Worth

Mon 21/4

7:25 a.m.-9:48 a.m.

Nonstop4h 23m

C$ 279

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 17/4

12:30 p.m.-9:17 p.m.

1 stop6h 47m

Dallas/Fort Worth

Thu 24/4

10:25 p.m.-1:25 p.m.

1 stop17h 00m

C$ 291

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 16/4

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

Nonstop3h 55m

Dallas/Fort Worth

Tue 22/4

7:00 a.m.-9:29 a.m.

Nonstop4h 29m

C$ 299

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 15/4

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

Nonstop3h 43m

Dallas/Fort Worth

Sun 20/4

7:25 a.m.-9:48 a.m.

Nonstop4h 23m

C$ 312

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 15/7

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

1 stop7h 15m

Dallas/Fort Worth

Thu 31/7

8:00 p.m.-12:59 a.m.

1 stop6h 59m

C$ 358

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 11/7

11:59 p.m.-10:05 a.m.

1 stop8h 06m

Dallas/Fort Worth

Sun 20/7

5:35 p.m.-10:50 p.m.

1 stop7h 15m

C$ 530

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 10/5

6:00 a.m.-6:23 p.m.

1 stop10h 23m

C$ 103

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sat 10/5

6:03 p.m.-11:59 p.m.

Nonstop3h 56m

C$ 128

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

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.

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 21 March 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 May is currently the most expensive (average of C$ 591). 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 25 March 2025.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 51% 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 23 March 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. 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 25 March 2025.

The most flights from SEA to DFW are scheduled on a Friday (61 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (35 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 25 March 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
9,785 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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
9,785 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

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 50 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 Spirit Airlines is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at C$ 236. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at C$ 271 and C$ 284, respectively. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 43% 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 Spirit Airlines (C$ 103), Hawaiian Airlines (C$ 128), and Delta (C$ 156).

  • 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 (100%), Finnair (94%) or Frontier (92%) 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$ 292 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 84 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 350.

  • 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$ 591). 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 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 87AverageC$ 380FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapestC$ 136AverageC$ 256FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 155AverageC$ 339FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 170AverageC$ 331FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 217AverageC$ 438FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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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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