
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,178 (United Airlines) |
One-way from | $608 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,468 |
Fly from
Fly to
Route
Depart
Return
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Wed 8/12
2:00 pm-6:55 am
1 stop26h 55m
Sydney Kingsford Smith
Mon 8/24
10:20 am-5:07 pm
1 stop20h 47m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Wed 7/1
10:20 am-6:50 am
2 stops30h 30m
Sydney Kingsford Smith
Wed 7/8
9:15 am-7:20 pm
1 stop24h 05m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Wed 8/26
8:16 pm-6:55 am
2 stops44h 39m
Sydney Kingsford Smith
Sat 9/5
10:20 am-9:58 pm
2 stops25h 38m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Fri 9/11
7:45 am-6:55 am
1 stop33h 10m
Sydney Kingsford Smith
Sun 9/27
9:30 am-9:49 pm
2 stops26h 19m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Mon 9/14
10:38 am-8:45 am
3 stops32h 07m
Sydney Kingsford Smith
Mon 9/28
10:55 am-11:39 pm
2 stops26h 44m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Mon 9/21
10:38 am-8:45 am
3 stops32h 07m
Sydney Kingsford Smith
Wed 10/7
11:55 am-10:57 pm
2 stops26h 02m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Tue 6/30
10:00 am-7:30 am
1 stop31h 30m
Sydney Kingsford Smith
Sun 7/5
9:10 am-11:43 pm
1 stop28h 33m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Sun 7/12
7:45 am-7:00 am
2 stops33h 15m
Sydney Kingsford Smith
Sun 7/19
9:30 am-9:21 pm
2 stops25h 51m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Thu 7/2
5:52 pm-6:55 am
1 stop23h 03m
Sydney Kingsford Smith
Wed 7/8
9:10 am-6:40 pm
1 stop23h 30m
BostonSydney
BOS - SYD
BOSSYD
Boston Logan Intl
Tue 6/30
10:55 am-6:50 am
1 stop29h 55m
Sydney Kingsford Smith
Mon 7/6
9:15 am-11:54 pm
1 stop28h 39m
| 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 Accuracy2 stars | Trust Score*3 stars | |
| 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 15 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 $1,220). Flying from Boston to Sydney in December is currently the most expensive (average of $2,092). 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.
Los Angeles (LAX) – chosen by Cheapflights users on 50% 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 $1,310.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 23h 03m.
Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 1h 42m.
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Debra,Mar 2026
HNL - AKL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Debra,Mar 2026
HNL - AKL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Debra,Mar 2026
HNL - AKL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Debra,Mar 2026
HNL - AKL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Debra,Mar 2026
HNL - AKL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Debra,Mar 2026
HNL - AKL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$1,454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$727 | Average$783 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$907 | Average$1,363 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,085 | Average$1,457 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,145 | Average$1,516 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,147 | Average$1,450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,166 | Average$1,481 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,233 | Average$1,558 | FlexibilityNo cancel fee | On-time68% |