Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Flights from Seattle to Adelaide Starting at £834

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 Adelaide

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 Adelaide

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

Alaska Airlines
From £498
United Airlines
From £582
American Airlines
From £728
EVA Air
From £755
Air Canada
From £791
Delta Air Lines
From £820
Hawaiian Airlines
From £820
Singapore Airlines
From £834
Asiana Airlines
From £834
Air New Zealand
From £883
ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Adelaide

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

  • Cheapest
    Alaska Airlines
    SEA
    18:05
    34h 30m
    2 transfer
    ADL
    21:05
    Seattle-Tacoma International Airport - Adelaide Airport
    Tue, May 14Alaska Airlines
    £498
  • Alaska Airlines
    SEA
    18:05
    34h 30m
    2 transfer
    ADL
    21:05
    Seattle-Tacoma International Airport - Adelaide Airport
    Tue, May 14Alaska Airlines
    £498
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Seattle (SEA) to Adelaide (ADL) the cheapest?

    Airlines adjust prices for flights from Seattle to Adelaide 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 Adelaide (ADL) cost?

    According to Trip.com's data, the lowest price is around £1,533.
  • What is the transportation method from the main airport to downtown in Adelaide?

    • The distance from Adelaide Airport to downtown is about 6km, by taxi about 20 minutes.
  • How many airports in Adelaide (ADL)?

    There are 1 airport(s) in Adelaide (ADL): Adelaide Airport.

Flight Information from Seattle to Adelaide

Cheapest direct flight price

£834

Cheapest month

November

Peak season for travel

October