
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,157 (American Airlines) |
One-way from | $724 (oojo) |
Popular in | December |
Cheapest in | September |
Average price | $1,366 |
Fly from
Fly to
Route
Depart
Return
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 5/24
3:54 pm-7:00 am
2 stops25h 06m
Sydney Kingsford Smith
Sun 6/7
9:30 am-7:30 pm
2 stops24h 00m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Mon 5/25
5:45 am-7:00 am
2 stops35h 15m
Sydney Kingsford Smith
Tue 6/2
10:20 am-6:59 pm
1 stop22h 39m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Mon 6/1
5:45 am-7:00 am
2 stops35h 15m
Sydney Kingsford Smith
Mon 6/15
9:30 am-5:20 pm
1 stop21h 50m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sat 8/1
8:32 pm-6:55 am
1 stop44h 23m
Sydney Kingsford Smith
Wed 8/12
9:30 am-9:59 pm
2 stops26h 29m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sat 6/6
9:07 am-6:55 am
1 stop31h 48m
Sydney Kingsford Smith
Tue 6/16
10:20 am-5:04 pm
1 stop20h 44m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Thu 7/30
1:37 pm-6:55 am
2 stops27h 18m
Sydney Kingsford Smith
Sun 8/23
9:30 am-9:59 pm
2 stops26h 29m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 5/31
5:05 pm-7:05 am
2 stops24h 00m
Sydney Kingsford Smith
Sat 6/20
5:50 pm-5:49 am
2 stops25h 59m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 5/31
3:08 pm-7:00 am
2 stops25h 52m
Sydney Kingsford Smith
Sat 6/13
9:30 am-7:14 pm
2 stops23h 44m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Fri 5/29
4:15 pm-7:00 am
2 stops24h 45m
Sydney Kingsford Smith
Fri 6/12
9:30 am-8:10 pm
2 stops24h 40m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Wed 6/10
3:10 pm-7:00 am
2 stops25h 50m
Sydney Kingsford Smith
Wed 6/17
10:20 am-5:04 pm
1 stop20h 44m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars |
To ensure you get the cheapest price possible for a flight from Boston to Sydney, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, September is the cheapest month in which you can book a flight from Boston to Sydney (average of $1,206). Flying from Boston to Sydney in December is currently the most expensive (average of $2,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Houston (IAH) – chosen by Cheapflights users on 33% of 1-stop itineraries from Boston to Sydney on Cheapflights.
Los Angeles (LAX) is the most affordable 1-stop option, with an average round-trip price of $1,238.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 22h 33m.
Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 1h 21m.
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$312 | Average$1,441 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$727 | Average$985 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$907 | Average$1,363 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,078 | Average$1,427 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,145 | Average$1,567 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,147 | Average$1,453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,166 | Average$1,414 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,233 | Average$1,558 | FlexibilityNo cancel fee | On-time68% |