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Cheap flights from Seattle to Dallas/Fort Worth Airport from C$ 125

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 269

One-way from

C$ 125

Popular in

May

Cheapest in

September

Average price

C$ 425

Good round-trip deal

C$ 271 or less

Good one-way deal

C$ 164 or less
Frontier
  • Frontier
  • 18/5-21/5
  • 2 total stops
  • 36h 20m total
  • Seattle to Dallas
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Delta
  • Delta
  • 4/6
  • Nonstop
  • 3h 59m total
  • Seattle to Dallas
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Highest demand for flights based on searches. 15% potential increase in price (C$ 97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in April 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 29 April 2025.

Sun 18/56:00 a.m.SEA - DFW
1 stop13h 42mMultiple Airlines
Wed 21/54:27 p.m.DFW - SEA
1 stop22h 38mMultiple Airlines
Deal found 28/4C$ 269
Thu 1/56:00 a.m.SEA - DFW
1 stop15h 29mFrontier
Mon 5/52:08 p.m.DFW - SEA
Nonstop4h 26mFrontier
Deal found 29/4C$ 273
Wed 9/77:34 p.m.SEA - DFW
1 stop7h 15mUnited Airlines
Sat 26/75:47 p.m.DFW - SEA
1 stop6h 50mUnited Airlines
Deal found 29/4C$ 282
Wed 9/79:30 a.m.SEA - DFW
Nonstop3h 59mDelta
Mon 28/74:30 p.m.DFW - SEA
Nonstop4h 26mDelta
Deal found 29/4C$ 296
Mon 26/512:34 a.m.SEA - DFW
Nonstop3h 46mAlaska Airlines
Sat 14/66:16 p.m.DFW - SEA
Nonstop4h 19mAlaska Airlines
Deal found 28/4C$ 356
Wed 7/56:00 a.m.SEA - DFW
1 stop7h 06mSpirit Airlines
Sat 10/58:05 a.m.DFW - SEA
2 stops18h 05mSpirit Airlines
Deal found 29/4C$ 406
Thu 8/55:22 a.m.SEA - DFW
Nonstop4h 00mAmerican Airlines
Mon 12/510:30 p.m.DFW - SEA
Nonstop4h 15mAmerican Airlines
Deal found 29/4C$ 433
Thu 12/611:59 p.m.SEA - DFW
1 stop9h 04mSun Country Air
Sun 15/69:55 a.m.DFW - SEA
1 stop24h 07mSun Country Air
Deal found 29/4C$ 464
Sun 20/712:25 a.m.SEA - DFW
Nonstop3h 55mHawaiian Airlines
Wed 23/76:16 p.m.DFW - SEA
Nonstop4h 19mHawaiian Airlines
Deal found 29/4C$ 466

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 29 April 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

Sun 18/5

6:00 a.m.-9:42 p.m.

1 stop13h 42m

Dallas/Fort Worth

Wed 21/5

4:27 p.m.-1:05 p.m.

1 stop22h 38m

C$ 269

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 18/5

6:05 a.m.-8:34 a.m.

1 stop24h 29m

Dallas/Fort Worth

Wed 21/5

4:27 p.m.-1:05 p.m.

1 stop22h 38m

C$ 275

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 9/7

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

1 stop7h 15m

Dallas/Fort Worth

Wed 16/7

6:12 p.m.-10:59 p.m.

1 stop6h 47m

C$ 282

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 9/7

9:30 a.m.-3:29 p.m.

Nonstop3h 59m

Dallas/Fort Worth

Thu 24/7

4:30 p.m.-6:56 p.m.

Nonstop4h 26m

C$ 296

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 26/5

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

Nonstop3h 46m

Dallas/Fort Worth

Sat 14/6

6:16 p.m.-8:35 p.m.

Nonstop4h 19m

C$ 356

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 26/6

5:32 a.m.-11:27 a.m.

Nonstop3h 55m

Dallas/Fort Worth

Sun 29/6

10:30 p.m.-12:44 a.m.

Nonstop4h 14m

C$ 406

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 12/10

6:34 p.m.-4:52 p.m.

1 stop20h 18m

Dallas/Fort Worth

Sun 2/11

9:38 a.m.-5:15 p.m.

1 stop9h 37m

C$ 464

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 4/6

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

Nonstop3h 46m

Dallas/Fort Worth

Sat 7/6

8:15 p.m.-10:42 p.m.

Nonstop4h 27m

C$ 515

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 4/6

5:50 p.m.-11:49 p.m.

Nonstop3h 59m

C$ 125

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 29/7

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

1 stop7h 15m

C$ 132

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 14 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 25 April 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 29 April 2025.

It’s typically best to fly out from Seattle to Dallas/Fort Worth Airport in the afternoon. Doing so could potentially save you 50% 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 30 March 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 29 April 2025.

The most flights from SEA to DFW are scheduled on a Monday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 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 29 April 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
9,961 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

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
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

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
9,961 reviews
Check prices

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

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 44 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$ 275. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at C$ 282 and C$ 296, respectively. You may be able to fly from Seattle to Dallas/Fort Worth Airport for 30% 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 Delta (C$ 125), United Airlines (C$ 132), and Frontier (C$ 138).

  • 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 Condor (87%), STARLUX Airlines (80%) or Finnair (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$ 352 for a flight from Seattle to Dallas/Fort Worth Airport. The cheapest flight overall is C$ 157 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at C$ 278.

  • 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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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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 84AverageC$ 367FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapestC$ 127AverageC$ 241FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 150AverageC$ 328FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 164AverageC$ 301FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 208AverageC$ 382FlexibilityNo 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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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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