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Find cheap one-way flights from Dallas to Seattle starting at US$53.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Dallas to Seattle?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Dallas to Seattle

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$69
Alaska Airlines
From US$75
Delta Air Lines
From US$83
Sun Country Airlines
From US$91
Southwest Airlines
From US$121
Spirit Airlines
From US$121
United Airlines
From US$162
American Airlines
From US$393
ANA airlines

Find more flights and airlines

Find cheap flights from Dallas to Seattle by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Dallas to Seattle.

  • Cheapest
    Frontier Airlines
    DFW
    09:05
    6h 50m
    Direct
    SEA
    13:55
    Dallas Fort Worth International Airport - Seattle-Tacoma International Airport
    Sat, Apr 27Frontier Airlines
    US$69
  • Alaska Airlines
    DAL
    14:30
    4h 26m
    Direct
    SEA
    16:56
    Dallas Love Field Airport - Seattle-Tacoma International Airport
    Wed, Apr 3Alaska Airlines
    US$403
  • Alaska Airlines
    DAL
    14:30
    4h 26m
    Direct
    SEA
    16:56
    Dallas Love Field Airport - Seattle-Tacoma International Airport
    Wed, Apr 3Alaska Airlines
    US$403
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Dallas (DFW) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Dallas to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Dallas (DFW) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $357.
  • How long does it take to fly from Dallas (DFW) to Seattle (SEA) and what is the distance?

    It takes around 4 hours 19 minutes to fly from Dallas (DFW) to Seattle (SEA).
  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.
  • What are the most popular airlines that fly from Dallas (DFW) to Seattle (SEA)?

    Airlines with flights from Dallas (DFW) to Seattle (SEA): Qatar Airways, Finnair, British Airways, American Airlines, Air Tahiti Nui, Iberia, Alaska Airlines and Qantas Airways.

Dallas to Seattle Flight Information

Cheapest nonstop flight price

$52

Cheapest round-trip ticket price

$123

Off-season for travel

November

Peak season for travel

September