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Flights from Seattle to Osaka Starting at £454

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

  • One way
  • Round-trip

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

Find the best time to fly from Seattle to Osaka

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.
Airlines Flying from Seattle to Osaka

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

Alaska Airlines
From £364
Delta Air Lines
From £406
Frontier Airlines
From £407
American Airlines
From £409
WestJet
From £452
Hawaiian Airlines
From £454
Air Canada
From £458
United Airlines
From £487
EVA Air
From £503
Hainan Airlines
From £532
ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Osaka

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

  • Cheapest
    Alaska Airlines
    SEA
    17:59
    31h 56m
    2 transfer
    KIX
    17:55
    Seattle-Tacoma International Airport - Kansai International Airport
    Wed, Apr 17Alaska Airlines
    £364
  • Alaska Airlines
    SEA
    21:15
    31h 15m
    2 transfer
    ITM
    20:30
    Seattle-Tacoma International Airport - Osaka International Airport
    Thu, Apr 18Alaska Airlines
    £440
  • Air Canada
    SEA
    09:55
    20h 35m
    2 transfer
    UKB
    22:30
    Seattle-Tacoma International Airport - Kobe Airport
    Mon, Apr 29Air Canada
    £499
  • Air Canada
    SEA
    09:55
    20h 35m
    2 transfer
    UKB
    22:30
    Seattle-Tacoma International Airport - Kobe Airport
    Mon, Apr 29Air Canada
    £499
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Seattle (SEA) to Osaka (OSA) the cheapest?

    Airlines adjust prices for flights from Seattle to Osaka based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Seattle (SEA) to Osaka (OSA) cost?

    According to Trip.com's data, the lowest price is around £1,400.
  • What is the transportation method from the main airport to downtown in Osaka?

    • The distance from Kansai International Airport to downtown is about 37km, by taxi about 50 minutes.
    • The distance from Kobe Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Osaka International Airport to downtown is about 12km, by taxi about 30 minutes.
  • How many airports in Osaka (OSA)?

    There are 3 airport(s) in Osaka (OSA): Osaka International Airport, Kansai International Airport and Kobe Airport.

Flight Information from Seattle to Osaka

Cheapest direct flight price

£454

Cheapest month

October

Peak season for travel

June