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Cheap Flights from Boston to Sydney starting at S$ 794

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.

Cheapest time to fly from Boston to Sydney

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

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Boston to Sydney

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

Hawaiian Airlines
From S$ 476
Alaska Airlines
From S$ 571
United Airlines
From S$ 627
Delta Air Lines
From S$ 636
Jetblue Airways
From S$ 800
American Airlines
From S$ 893
Sun Country Airlines
From S$ 894
Qatar Airways
From S$ 1,039
Korean Air
From S$ 1,054
Japan Airlines
From S$ 1,072
ANA airlines

Find more flights and airlines

Alternative Routes from Boston to Sydney

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

  • Cheapest
    Hawaiian Airlines
    BOS
    06:00
    42h 40m
    2 transfer
    SYD
    14:40
    General Edward Lawrence Logan International Airport - Kingsford Smith Airport
    Wed, May 15Hawaiian Airlines
    S$ 476
  • Hawaiian Airlines
    BOS
    06:00
    42h 40m
    2 transfer
    SYD
    14:40
    General Edward Lawrence Logan International Airport - Kingsford Smith Airport
    Wed, May 15Hawaiian Airlines
    S$ 476
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Boston (BOS) to Sydney (SYD) the cheapest?

    Airlines adjust prices for flights from Boston to Sydney 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 is a flight from Boston (BOS) to Sydney (SYD) cost?

    According to Trip.com's data, the lowest price is around S$ 2,702.
  • What is the transportation method from the main airport to downtown in Sydney?

    • The distance from Kingsford Smith Airport to downtown is about 8km, by taxi about 20 minutes.
  • How many airports in Sydney?

Find cheapest flight ticket from Boston to Sydney

Cheapest direct flight price

S$ 793

Cheapest month

March

Peak season for travel

June