>
>
>
>
>
Flights from Seattle to Sydney
Find cheap flights from Seattle to Sydney
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
-
Round-trip
-
One way
-
-
SEA 06:1531h 45m1 stopsSYD 07:00Seattle - Sydney | Fri, Apr 18 | United AirlinesSYD 09:3021h 29m1 stopsSEA 13:59Sydney - Seattle | Fri, Apr 25 | United AirlinesUS$808 US$1,25335% OFF35% OFFUS$1,253 US$808
-
SEA 19:3318h 22m1 stopsSYD 06:55Seattle - Sydney | Tue, Apr 15 | United AirlinesSYD 09:3021h 29m1 stopsSEA 13:59Sydney - Seattle | Tue, Apr 22 | United AirlinesUS$814 US$1,25335% OFF35% OFFUS$1,253 US$814
-
SEA 06:1531h 45m1 stopsSYD 07:00Seattle - Sydney | Mon, Apr 14 | United AirlinesSYD 10:2031h 38m1 stopsSEA 00:58Sydney - Seattle | Mon, Apr 21 | United AirlinesUS$833 US$1,25334% OFF34% OFFUS$1,253 US$833
-
SEA 09:2528h 10m1 stopsSYD 06:35Seattle - Sydney | Fri, Apr 18 | Delta Air LinesSYD 09:2520h 8m1 stopsSEA 12:33Sydney - Seattle | Fri, Apr 25 | Delta Air LinesUS$83733% OFFUS$1,253 US$837
-
SEA 17:1020h 50m1 stopsSYD 07:00Seattle - Sydney | Thu, Apr 17 | United AirlinesSYD 09:3021h 29m1 stopsSEA 13:59Sydney - Seattle | Fri, Apr 25 | United AirlinesUS$84533% OFFUS$1,253 US$845
-
SEA 06:1531h 45m1 stopsSYD 07:00Seattle - Sydney | Mon, Apr 28 | United AirlinesSYD 09:3021h 30m1 stopsSEA 14:00Sydney - Seattle | Fri, May 2 | United AirlinesUS$85931% OFFUS$1,253 US$859
-
SEA 17:1020h 50m1 stopsSYD 07:00Seattle - Sydney | Wed, Apr 30 | United AirlinesSYD 10:2020h 23m1 stopsSEA 13:43Sydney - Seattle | Tue, May 6 | United AirlinesUS$85931% OFFUS$1,253 US$859
-
SEA 23:3039h 30m1 stopsSYD 09:00Seattle - Sydney | Sun, Mar 30 | Philippine AirlinesSYD 10:1526h 5m1 stopsSEA 19:20Sydney - Seattle | Sun, Apr 6 | Philippine AirlinesUS$90728% OFFUS$1,253 US$907
-
SEA 06:1531h 45m1 stopsSYD 08:00Seattle - Sydney | Thu, Apr 3 | United AirlinesSYD 09:3028h 45m1 stopsSEA 21:15Sydney - Seattle | Thu, Apr 10 | United AirlinesUS$91127% OFFUS$1,253 US$911
-
SEA 19:3318h 22m1 stopsSYD 06:55Seattle - Sydney | Thu, May 1 | United AirlinesSYD 10:2028h 11m1 stopsSEA 21:31Sydney - Seattle | Wed, May 7 | United AirlinesUS$91527% OFFUS$1,253 US$915
-
SEA 13:0017h 25m1 stopsSYD Invalid DateSeattle - Sydney | Sun, Mar 30 | Normal AirlineSYD 15:006hNonstopSEA 16:00Sydney - Seattle | Tue, Apr 1 | Normal AirlineFind More FlightsFind More Flights
-
SEA 18:4027h1 stopsSYD 15:40Seattle - Sydney | Wed, Apr 2 | Alaska AirlinesUS$390 US$63539% OFF39% OFFUS$635 US$390
-
SEA 16:4328h 57m1 stopsSYD 14:40Seattle - Sydney | Wed, Apr 9 | Alaska AirlinesUS$393 US$63538% OFF38% OFFUS$635 US$393
-
SEA 07:4537h 55m1 stopsSYD 14:40Seattle - Sydney | Wed, Apr 9 | Hawaiian AirlinesUS$395 US$63538% OFF38% OFFUS$635 US$395
-
SEA 18:4027h1 stopsSYD 15:40Seattle - Sydney | Wed, Apr 2 | Hawaiian AirlinesUS$39837% OFFUS$635 US$398
-
SEA 18:4031h 5m1 stopsSYD 19:45Seattle - Sydney | Sun, Mar 30 | Hawaiian AirlinesUS$40936% OFFUS$635 US$409
-
SEA 17:3028h 10m1 stopsSYD 15:40Seattle - Sydney | Wed, Apr 2 | Delta Air LinesUS$40936% OFFUS$635 US$409
-
SEA 18:4031h 5m1 stopsSYD 19:45Seattle - Sydney | Sun, Mar 30 | Alaska AirlinesUS$42633% OFFUS$635 US$426
-
SEA 11:2534h 15m1 stopsSYD 14:40Seattle - Sydney | Wed, May 21 | Hawaiian AirlinesUS$46028% OFFUS$635 US$460
-
SEA 15:5529h 45m1 stopsSYD 14:40Seattle - Sydney | Thu, May 15 | Hawaiian AirlinesUS$46327% OFFUS$635 US$463
-
SEA 18:5026h 50m1 stopsSYD 14:40Seattle - Sydney | Thu, Apr 10 | Hawaiian AirlinesUS$46427% OFFUS$635 US$464
-
SEA 13:0017h 25m1 stopsSYD Invalid DateSeattle - Sydney | Sun, Mar 30 | Normal AirlineFind More FlightsFind More Flights
-
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 Seattle to Sydney?
We monitor flight fares to help you find the best deals effortlessly
Cheapest flights
From price
Search
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Seattle to Sydney
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frequently Asked Questions
-
When are flight tickets from Seattle (SEA) to Sydney (SYD) the cheapest?
Airlines adjust prices for flights from Seattle to Sydney 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 Seattle (SEA) to Sydney (SYD) cost?
According to Trip.com's data, the lowest price is around $1,985. -
What is the transportation method from the main airport to downtown in Sydney?
- The distance from Kingsford Smith Intl. Airport to downtown is about 8 km. It takes about 20 minutes by taxi.
How to find a cheap flight from Seattle to Sydney
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Sydney. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Seattle to Sydney ticket.
Tap "Date" on flight search bar to scan through the calender for Seattle to Sydney airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Apr 2 at US$390 for one-way flights.
Compare cheap Seattle to Sydney flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Seattle to Sydney. The cheapest airline operating is Alaska Airlines.
Set up a Price Alert
By setting up a Price Alert for your Seattle to Sydney route, you can easily track the price of your airline tickets from Seattle to Sydney without manually checking every day.
Don't miss cheap Seattle to Sydney flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Seattle to Sydney to get exclusive deals for you.
Seattle to Sydney Flight Information
Cheapest one-way flight price | $390 |
---|---|
Off-season for travel | April |
Peak season for travel | December |
Flight distance | 12,472.44 km |
Popular airline | Alaska Airlines |
Plan Your Trip Around Sydney
More Travel Options
-
Top Routes from Seattle
-
Top Routes to Sydney
-
Recommended Routes
- Seattle to Tokyo Flights
- Seattle to Hong Kong Flights
- Seattle to Bangkok Flights
- Seattle to Taipei Flights
- Seattle to Manila Flights
- Seattle to Seoul Flights
- Seattle to Ho Chi Minh City Flights
- Seattle to San Francisco Flights
- Seattle to Singapore Flights
- Seattle to New York Flights
- Seattle to Shanghai Flights
- Flights from Seattle-Tacoma International Airport to George Town
- Flights from Seattle-Tacoma International Airport to Cotonou
- Flights from Seattle-Tacoma International Airport to Antwerp
- Flights from Seattle-Tacoma International Airport to Katima Mulilo
- Flights from Seattle-Tacoma International Airport to Tartu
- Flights from Seattle-Tacoma International Airport to Suva
- Flights from Seattle to Bauerfield International Airport
- Flights from Seattle to Rafael Hernandez Airport
- Flights from Seattle to Gode Airport
- Flights from Seattle to Ganja International Airport
- Flights from Seattle to Guemar Airport
- Flights from Seattle to Damascus International Airport
- Flights from Seattle-Tacoma International Airport to Ontario International Airport
- Flights from Seattle-Tacoma International Airport to Los Angeles International Airport
- Flights from Seattle-Tacoma International Airport to Narita International Airport
- Flights from Seattle-Tacoma International Airport to Haneda Airport
- Flights from Lake Union Sea Plane Base to Narita International Airport
- Flights from Seattle-Tacoma International Airport to Hong Kong International Airport
- Tokyo to Sydney Flights
- Taipei to Sydney Flights
- Singapore to Sydney Flights
- Kuala Lumpur to Sydney Flights
- London to Sydney Flights
- Seoul to Sydney Flights
- Shanghai to Sydney Flights
- Jakarta to Sydney Flights
- Manila to Sydney Flights
- Bangkok to Sydney Flights
- Osaka to Sydney Flights
- Flights from Hong Kong International Airport to Sydney
- Flights from Taiwan Taoyuan International Airport to Sydney
- Flights from Soekarno-Hatta International Airport to Sydney
- Flights from Shanghai Pudong International Airport to Sydney
- Flights from Narita International Airport to Sydney
- Flights from Haneda Airport to Sydney
- Flights from Honolulu to Kingsford Smith Airport
- Flights from Papeete to Kingsford Smith Airport
- Flights from Los Angeles to Kingsford Smith Airport
- Flights from Auckland to Kingsford Smith Airport
- Flights from Anchorage to Kingsford Smith Airport
- Flights from Yellowknife to Kingsford Smith Airport
- Flights from Hong Kong International Airport to Kingsford Smith Airport
- Flights from Haneda Airport to Kingsford Smith Airport
- Flights from Narita International Airport to Kingsford Smith Airport
- Flights from Taipei Songshan Airport to Kingsford Smith Airport
- Flights from Taiwan Taoyuan International Airport to Kingsford Smith Airport
- Flights from Singapore Changi Airport to Kingsford Smith Airport
- Los Angeles to Melbourne Flights
- Los Angeles to Brisbane Flights
- Dallas to Melbourne Flights
- New York to Sydney Flights
- Honolulu to Sydney Flights
- Dallas to Sydney Flights
- San Francisco to Sydney Flights
- San Francisco to Melbourne Flights
- Honolulu to Melbourne Flights
- Las Vegas to Sydney Flights
- Chicago to Sydney Flights
- Flights from Los Angeles International Airport to Adelaide
- Flights from Los Angeles International Airport to Perth
- Flights from Los Angeles International Airport to Newcastle
- Flights from Los Angeles International Airport to Tamworth
- Flights from Los Angeles International Airport to King Island
- Flights from Los Angeles International Airport to Sunshine Coast
- Flights from Honolulu to Merimbula Airport
- Flights from Honolulu to Port Macquarie Airport
- Flights from Honolulu to Gladstone Airport
- Flights from Honolulu to Townsville Airport
- Flights from Honolulu to Mount Isa Airport
- Flights from Honolulu to Burnie Airport
- Flights from Ontario International Airport to Kingsford Smith Airport
- Flights from Los Angeles International Airport to Kingsford Smith Airport
- Flights from Los Angeles International Airport to Melbourne Airport
- Flights from Los Angeles International Airport to Avalon Airport
- Flights from Ontario International Airport to Melbourne Airport
- Flights from Ontario International Airport to Avalon Airport