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Cheap flights from Dallas/Fort Worth (DFW) to Seattle (SEA) - Compare and Save

DFW — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to Seattle/Tacoma Intl are usually found in January or February, booked 47 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Seattle (SEA). 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 September 17, 2025.

Round-trip from

$183
(Frontier)

One-way from

$109
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$276

Good round-trip deal

$276 or less

Good one-way deal

$154 or less
From Dallas/Fort Worth to Seattle/Tacoma Intl
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One-way flight from Dallas/Fort Worth to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 13% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Dallas/Fort Worth to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Dallas/Fort Worth to Seattle/Tacoma Intl.
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Find flight deals from Dallas/Fort Worth to Seattle

Cheapest flights from Dallas/Fort Worth to Seattle
Explore the most affordable flight options available from Dallas/Fort Worth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:30 pmDFW - SEA
1 stop11h 03mFrontier
Sat 11/112:58 pmSEA - DFW
1 stop9h 12mFrontier
Deal found 9/16$183
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:45 amDFW - SEA
1 stop17h 14mFrontier
Tue 10/71:02 pmSEA - DFW
1 stop9h 17mFrontier
Deal found 9/16$184
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:54 pmDFW - SEA
1 stop5h 30mDelta
Thu 10/305:55 pmSEA - DFW
Nonstop3h 55mDelta
Deal found 9/16$185
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:19 pmDFW - SEA
1 stop25h 07mFrontier
Mon 10/1310:16 amSEA - DFW
Nonstop3h 57mFrontier
Deal found 9/15$186
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amDFW - SEA
1 stop20h 30mFrontier
Tue 10/71:02 pmSEA - DFW
1 stop18h 07mFrontier
Deal found 9/15$187
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:30 pmDFW - SEA
1 stop11h 03mFrontier
Mon 10/206:39 pmSEA - DFW
1 stop9h 04mFrontier
Deal found 9/15$188
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:10 amDFW - SEA
Nonstop4h 25mDelta
Mon 10/135:55 pmSEA - DFW
Nonstop3h 55mDelta
Deal found 9/16$189
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:14 amDFW - SEA
1 stop8h 53mFrontier
Fri 10/319:22 pmSEA - DFW
1 stop10h 24mFrontier
Deal found 9/14$190
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:25 pmDFW - SEA
1 stop11h 08mFrontier
Sat 10/188:43 pmSEA - DFW
1 stop10h 40mFrontier
Deal found 9/15$191
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:15 pmDFW - SEA
1 stop6h 17mDelta
Fri 10/175:55 pmSEA - DFW
Nonstop3h 55mDelta
Deal found 9/16$192
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:25 pmDFW - SEA
1 stop11h 08mFrontier
Fri 10/1710:16 amSEA - DFW
Nonstop3h 57mFrontier
Deal found 9/15$193
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:30 amDFW - SEA
Nonstop4h 18mFrontier
Wed 10/2912:58 pmSEA - DFW
1 stop9h 12mFrontier
Deal found 9/15$194

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth to Seattle 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Seattle that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Seattle

Route

Depart

Return

Price

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 2/5

7:00 am-1:00 pm

1 stop8h 00m

Seattle/Tacoma Intl

Wed 2/11

5:35 pm-11:28 pm

Nonstop3h 53m

$185

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 11/10

7:10 am-9:50 am

Nonstop4h 40m

Seattle/Tacoma Intl

Sat 11/15

12:20 pm-11:33 pm

1 stop9h 13m

$185

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 10/31

7:10 am-9:35 am

Nonstop4h 25m

Seattle/Tacoma Intl

Mon 11/3

11:15 am-9:43 pm

1 stop8h 28m

$185

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 10/16

4:20 pm-6:37 pm

Nonstop4h 17m

Seattle/Tacoma Intl

Thu 10/23

2:10 pm-11:35 pm

1 stop7h 25m

$185

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 3/4

7:10 am-9:44 am

Nonstop4h 34m

Seattle/Tacoma Intl

Wed 4/1

9:30 am-3:28 pm

Nonstop3h 58m

$209

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 2/6

8:00 am-10:32 am

Nonstop4h 32m

Seattle/Tacoma Intl

Tue 2/10

7:55 am-1:47 pm

Nonstop3h 52m

$214

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 10/22

8:39 pm-11:08 pm

Nonstop4h 29m

Seattle/Tacoma Intl

Sat 11/1

9:45 am-3:49 pm

Nonstop4h 04m

$239

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 10/22

3:12 pm-5:37 pm

Nonstop4h 25m

Seattle/Tacoma Intl

Tue 10/28

9:45 am-3:49 pm

Nonstop4h 04m

$239

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 10/22

4:20 pm-6:37 pm

Nonstop4h 17m

Seattle/Tacoma Intl

Tue 10/28

9:30 am-3:30 pm

Nonstop4h 00m

$239

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 10/22

7:10 am-9:35 am

Nonstop4h 25m

Seattle/Tacoma Intl

Sat 10/25

9:30 am-3:30 pm

Nonstop4h 00m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 24 results
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Best time to book a flight from Dallas/Fort Worth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to Seattle

How far ahead should I book a flight from Dallas/Fort Worth Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Seattle. Price data was last updated on September 12, 2025.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Seattle. 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 Dallas/Fort Worth Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $238). Flying from Dallas/Fort Worth Airport to Seattle in June is currently the most expensive (average of $387). 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 DFW to SEA?

Find hourly flight availability from Dallas/Fort Worth to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Dallas/Fort Worth Airport to Seattle at noon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Seattle. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Dallas/Fort Worth Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,173 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Seattle. 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 into for flights to Seattle from Dallas/Fort Worth?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Dallas/Fort Worth to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Dallas/Fort Worth; the airport handles an average of 38 inbound flights from Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Seattle airport from Dallas/Fort Worth. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    There are many flights that can get you from Dallas/Fort Worth Airport to Seattle in 8h. Fly via Delta to get the fastest option. There are 1657 mi between Dallas/Fort Worth Airport and Seattle.

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

    According to our current data, Frontier ($71), Spirit Airlines ($77), and Hawaiian Airlines ($123) offers the cheapest pricing from Dallas/Fort Worth Airport to Seattle. Frontier is 73% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Seattle on time: Delta (91%), Scandinavian Airlines (91%), Korean Air (83%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Seattle?

    On average you can expect to pay $947 for a flight from Dallas/Fort Worth Airport to Seattle. The cheapest flight overall is $109 while the most popular route, (Dallas/Fort Worth - Seattle/Tacoma Intl) is currently priced at $158.

  • Where are the most common layover locations when flying from Dallas/Fort Worth Airport to Seattle?

    Flights departing from Dallas/Fort Worth Airport and landing in Seattle layover in Las Vegas most frequently.

  • What are some popular things to do or see while on a layover in Las Vegas?

    Fremont Street Experience, Fountains of Bellagio, and The Colosseum at Caesars Palace are currently the most popular points of interest in Las Vegas at the moment. Fremont Street Experience, Fountains of Bellagio and The Colosseum at Caesars Palace are located about 5.9 mi, 2.3 mi, and 2.6 mi, respectively from Las Vegas Harry Reid Intl if you are interested in checking them out. Travelers in need of a car in Las Vegas can rent one for about $59 per day.

  • Where are the least popular layover locations for Dallas/Fort Worth Airport to Seattle flights?

    Dallas/Fort Worth Airport to Seattle flights have a layover in Denver the least frequently.

  • Can I find deals for flights from Dallas/Fort Worth to Seattle that include hotel bookings?

    Yes. In addition to deals on Dallas/Fort Worth to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas/Fort Worth to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas/Fort Worth to Seattle.

  • Can I find deals for business class flights from Dallas/Fort Worth to Seattle?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Seattle 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 Dallas/Fort Worth Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $238). Flying from Dallas/Fort Worth Airport to Seattle in June is currently the most expensive (average of $387). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Dallas/Fort Worth to Seattle

Discover the top 8 airlines that operate flights from Dallas/Fort Worth to Seattle. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$204FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$77Average$182FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$123Average$280FlexibilityNo cancel feeOn-time85%
DeltaCheapest$130Average$284FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$188Average$336FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$193Average$327FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$195Average$321FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$326FlexibilityNo cancel feeOn-time69%

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