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Find cheap one-way flights from Houston to Seattle starting at US$61.

Book one-way or return flights from Houston to Seattle from as little as US$61. Choose from the popular airlines below and book your flight today!

  • 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 Houston 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 Houston 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$61
Spirit Airlines
From US$78
Sun Country Airlines
From US$103
American Airlines
From US$108
Alaska Airlines
From US$116
United Airlines
From US$130
Southwest Airlines
From US$130
Delta Air Lines
From US$134
Allegiant Air
From US$234
ANA airlines

Find more flights and airlines

Find cheap flights from Houston to Seattle by different airports

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

  • Cheapest
    Frontier Airlines
    IAH
    09:23
    13h 31m
    1 transfer
    SEA
    20:54
    George Bush Intercontinental Airport - Seattle-Tacoma International Airport
    Wed, Mar 27Frontier Airlines
    US$61
  • Frontier Airlines
    HOU
    15:59
    26h 59m
    1 transfer
    SEA
    16:58
    William P. Hobby Airport - Seattle-Tacoma International Airport
    Tue, May 7Frontier Airlines
    US$67
  • Frontier Airlines
    HOU
    15:59
    26h 59m
    1 transfer
    SEA
    16:58
    William P. Hobby Airport - Seattle-Tacoma International Airport
    Tue, May 7Frontier Airlines
    US$67
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Houston (HOU) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Houston 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 Houston (HOU) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $394.
  • How long does it take to fly from Houston (HOU) to Seattle (SEA) and what is the distance?

    It takes around 4 hours 53 minutes to fly from Houston (HOU) 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 Houston (HOU) to Seattle (SEA)?

Houston to Seattle Flight Information

Cheapest nonstop flight price

$61

Cheapest round-trip ticket price

$195

Off-season for travel

October

Peak season for travel

June