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Cheap flights from Dallas/Fort Worth Airport to Seattle from £82

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SEA
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Dallas/Fort Worth to Seattle/Tacoma Intl are usually found in January or September, booked 88 days in advance, depart on a Tuesday or Monday and return on a Monday

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 30 April 2025.

Round-trip from

£160

One-way from

£82

Popular in

June

Cheapest in

January

Average price

£192
Delta
  • Delta
  • 15/7-22/7
  • Nonstop
  • 8h 25m total
  • Dallas to Seattle
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United Airlines
  • United Airlines
  • 8/7
  • 1 total stop
  • 7h 13m total
  • Dallas to Seattle
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£39 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 30 April 2025.

Wed 6/816:30DFW - SEA
Nonstop4h 26mDelta
Wed 20/817:35SEA - DFW
Nonstop3h 54mDelta
Deal found 30/4£133
Wed 11/612:20DFW - SEA
1 stop8h 33mUnited Airlines
Wed 11/623:50SEA - DFW
1 stop7h 49mUnited Airlines
Deal found 29/4£163
Thu 12/620:36DFW - SEA
Nonstop4h 19mAlaska Airlines
Mon 16/606:00SEA - DFW
Nonstop4h 00mAlaska Airlines
Deal found 29/4£207
Fri 18/715:19DFW - SEA
Nonstop4h 15mHawaiian Airlines
Fri 18/700:25SEA - DFW
Nonstop3h 55mHawaiian Airlines
Deal found 29/4£247
Thu 26/618:55DFW - SEA
1 stop15h 07mSun Country Air
Wed 9/718:24SEA - DFW
1 stop23h 53mSun Country Air
Deal found 29/4£261
Tue 27/520:42DFW - SEA
Nonstop4h 15mAmerican Airlines
Fri 30/507:30SEA - DFW
Nonstop4h 06mAmerican Airlines
Deal found 29/4£262

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 30 April 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

Tue 15/7

16:30-18:56

Nonstop4h 26m

Seattle/Tacoma Intl

Wed 23/7

09:30-15:29

Nonstop3h 59m

£160

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 11/6

12:20-18:53

1 stop8h 33m

Seattle/Tacoma Intl

Wed 11/6

23:50-09:39

1 stop7h 49m

£163

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 12/6

20:36-22:55

Nonstop4h 19m

Seattle/Tacoma Intl

Mon 16/6

06:00-12:00

Nonstop4h 00m

£207

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 18/7

15:19-17:34

Nonstop4h 15m

Seattle/Tacoma Intl

Fri 18/7

00:25-06:20

Nonstop3h 55m

£247

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 26/6

18:55-08:02

1 stop15h 07m

Seattle/Tacoma Intl

Wed 9/7

18:24-20:17

1 stop23h 53m

£261

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 27/5

20:42-22:57

Nonstop4h 15m

Seattle/Tacoma Intl

Fri 30/5

07:30-13:36

Nonstop4h 06m

£262

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 8/7

15:59-21:12

1 stop7h 13m

£82

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 24/6

07:12-09:35

Nonstop4h 23m

£93

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 12/6

20:36-22:55

Nonstop4h 19m

£104

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 28/6

06:00-08:17

Nonstop4h 17m

£126

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 11 results
1
2

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 return 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 return flight from Dallas/Fort Worth to Seattle. Price data was last updated on 25 April 2025.

The price you pay for your flight from Dallas/Fort Worth Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £622). Flying from Dallas/Fort Worth Airport to Seattle in July is currently the most expensive (average of £946). 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 30 April 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 87% on flights from Dallas/Fort Worth Airport to Seattle by exploring options for tickets at midday.

Weekly flight availability from Dallas/Fort Worth Airport to Seattle

Explore weekly flight availability from Dallas/Fort Worth to Seattle. 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 30 April 2025.

The most flights from DFW to SEA are scheduled on a Tuesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 30 April 2025.
Read through reviews of airlines operating flights from Dallas to Seattle, such as Alaska Airlines, Delta and Hawaiian Airlines. 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
9,961 reviews
Check prices

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,961 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,929 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very Good
9,961 reviews
Check prices

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    For a flight from Dallas/Fort Worth to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 40 inbound flights from Dallas/Fort Worth per day. 0 airlines have flights to Seattle/Tacoma Intl from Dallas/Fort Worth on a regular basis.

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

    Our cheapest airline available from Dallas/Fort Worth Airport to Seattle is Delta. Our recent data shows that you can find tickets from as low as £160 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at £163 and £207 round-trip. These flights start at 21% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Seattle one-way?

    One-way options have recently been found by users for as low as £82 on United Airlines. Other airlines that offer cheap prices include Delta from £93 and Hawaiian Airlines from £104 one-way.

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

    Consider China Eastern (89%), Frontier (88%) or Delta (86%) when booking your flight. These represent the most reliable airlines when flying from Dallas/Fort Worth Airport to Seattle.

  • 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 holiday 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 £622). Flying from Dallas/Fort Worth Airport to Seattle in July is currently the most expensive (average of £946). 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 Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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Can Cheapflights notify me if prices for flights from Dallas/Fort Worth to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Dallas/Fort Worth today and book when prices fit your budget.

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