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$144+ Cheap flights from Boston

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — SYD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

What to know about flights from Boston

Discover essential information about flights departing from Boston, including flight schedules, destinations, airlines operating at the Boston airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 18 September 2025.

Cheapest airline

American Airlines

Good round-trip deal

$72 or less

Good one-way deal

$73 or less
On average, American Airlines currently has the cheapest one-way flight from Boston Logan Intl (avg. price of $523).
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Price to beat on a round-trip flight from Boston Logan Intl.
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Price to beat on a one-way flight from Boston Logan Intl.
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Cheapest flights from Boston
Explore the most affordable flight options available from Boston. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Fri 31/1018:10BOS - STN
1 stop9h 40mMultiple Airlines
Fri 7/1120:45STN - BOS
2 stops29h 10mMultiple Airlines
Deal found 16/9$848
Sun 2/1121:20BOS - STN
1 stop8h 45mMultiple Airlines
Sat 8/1120:30STN - BOS
2 stops23h 05mMultiple Airlines
Deal found 18/9$916
Sun 2/1121:20BOS - LTN
1 stop9h 25mMultiple Airlines
Sat 8/1108:20LTN - BOS
2 stops16h 50mMultiple Airlines
Deal found 18/9$965
Mon 10/1120:50BOS - TRF
2 stops15h 55mKLM
Fri 21/1109:00TRF - BOS
2 stops15h 55mKLM
Deal found 15/9$1,028
Thu 27/1119:10BOS - TRF
2 stops16h 50mMultiple Airlines
Thu 4/1214:35TRF - BOS
2 stops29h 00mMultiple Airlines
Deal found 15/9$1,061
Wed 17/1213:20BOS - TRF
2 stops18h 45mScandinavian Airlines
Sun 21/1214:35TRF - BOS
1 stop31h 15mScandinavian Airlines
Deal found 17/9$1,232
Wed 17/1213:20BOS - TRF
2 stops18h 45mScandinavian Airlines
Sat 20/1213:50TRF - BOS
1 stop32h 00mScandinavian Airlines
Deal found 17/9$1,307
Fri 12/1219:50BOS - LTN
1 stop21h 50mMultiple Airlines
Sat 3/115:50LTN - BOS
1 stop31h 00mMultiple Airlines
Deal found 17/9$1,472
Sun 8/208:15BOS - MEL
1 stop33h 15mQantas Airways
Sat 28/213:55MEL - BOS
2 stops56h 49mQantas Airways
Deal found 17/9$1,472
Fri 19/1211:35BOS - LTN
1 stop30h 05mMultiple Airlines
Sat 3/115:50LTN - BOS
1 stop31h 00mMultiple Airlines
Deal found 15/9$1,497
Sun 1/220:00BOS - PVG
1 stop32h 10mTurkish Airlines
Tue 3/323:05PVG - BOS
1 stop32h 00mTurkish Airlines
Deal found 17/9$1,520
Fri 19/1211:35BOS - LTN
1 stop30h 05mMultiple Airlines
Tue 23/1207:00LTN - BOS
1 stop15h 50mMultiple Airlines
Deal found 17/9$1,529

Find flights from Boston within your budget

 
Find flights departing from Boston that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 18 September 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Fri 31/10

18:10-07:50

1 stop9h 40m

London Stansted

Fri 7/11

20:45-20:55

2 stops29h 10m

$848

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 2/11

21:20-11:05

1 stop8h 45m

London Stansted

Sat 8/11

20:30-14:35

2 stops23h 05m

$916

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 2/11

21:20-11:45

1 stop9h 25m

London Luton

Sat 8/11

08:20-20:10

2 stops16h 50m

$965

BostonOslo

BOS - TRF

BOSTRF

Boston Logan Intl

Mon 10/11

20:50-18:45

2 stops15h 55m

Oslo Sandefjord

Fri 21/11

09:00-18:55

2 stops15h 55m

$1,028

BostonOslo

BOS - TRF

BOSTRF

Boston Logan Intl

Thu 27/11

19:10-18:00

2 stops16h 50m

Oslo Sandefjord

Thu 4/12

14:35-13:35

2 stops29h 00m

$1,061

BostonOslo

BOS - TRF

BOSTRF

Boston Logan Intl

Wed 17/12

13:20-14:05

2 stops18h 45m

Oslo Sandefjord

Sun 21/12

14:35-15:50

1 stop31h 15m

$1,232

BostonOslo

BOS - TRF

BOSTRF

Boston Logan Intl

Wed 17/12

13:20-14:05

2 stops18h 45m

Oslo Sandefjord

Sat 20/12

13:50-15:50

1 stop32h 00m

$1,307

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 12/12

19:50-22:40

1 stop21h 50m

London Luton

Sat 3/1

15:50-17:50

1 stop31h 00m

$1,472

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 19/12

11:35-22:40

1 stop30h 05m

London Luton

Sat 3/1

15:50-17:50

1 stop31h 00m

$1,497

BostonShanghai

BOS - PVG

BOSPVG

Boston Logan Intl

Sat 8/11

20:00-17:10

1 stop32h 10m

Shanghai Pu Dong

Wed 26/11

23:05-18:05

1 stop32h 00m

$1,550

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 results
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Best time to book a flight from Boston

Have a flexible travel schedule? Discover the best time to fly from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston

Get recent, data-driven insights about flights from Boston including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Boston?

Use this chart to determine the optimal time to book a return flight from Boston to Sydney. Price data was last updated on 12 September 2025.

The best time to book flights from Boston is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston?

Currently, September is the cheapest month in which you can book a flight from Boston (average of $385). Flying from Boston in December will prove the most costly (average of $1,800). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Boston?

When flying from Boston check dates and pricing for the following: United Airlines, Qantas Airways, Air Canada. As they depart for the following popular destinations: Sydney.

United Airlines
United Airlines
From $815
American Airlines
American Airlines
From $237
British Airways
British Airways
From $545
SWISS
SWISS
From $733

What are popular destinations to fly to from Boston?

Boston offers frequent flights to New York (2,383 flights per day), Chicago (976 flights per day) and Washington, D.C. (885 flights per day).

Washington, D.C.
Washington, D.C.
From $48
London
London
From $1,507
San Francisco
San Francisco
From $294
Barcelona-El Prat
Barcelona-El Prat
From $153

What is the cheapest place to fly to from Boston?

The cheapest city to fly to from Boston is Washington, D.C., with prices starting at $72. Explore other affordable destinations below.

Washington, D.C.
Washington, D.C.
From $48
Norfolk
Norfolk
From $49
Chicago
Chicago
From $69
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $113

Airline reviews for flights from Boston

Get insights into the airlines that provide service from Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Boston. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Get a feel of what it's like to fly with Qantas Airways, United Airlines, andAir Canada from Boston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
907 reviews
Check prices

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
907 reviews
Qantas Airways
7.5
Good
907 reviews
Check prices

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
United Airlines
7.4
Good
8,926 reviews
Qantas Airways
7.5
Good
907 reviews
Check prices

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Air Canada
7.1
Good
10,000 reviews
Qantas Airways
7.5
Good
907 reviews
Check prices

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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Related info for your journey

Access useful and relevant information related to your journey from Boston. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 18 September 2025.

  • What are the most popular destinations to fly to from Boston?

    For the current month, the most popular flights from Boston are Athens, Barcelona-El Prat Airport, Atlanta. Atlanta, Barcelona-El Prat Airport, Athens are the most popular locations from Boston year round.

  • What is the cheapest flight from Boston to anywhere?

    Users have flown out of Boston for as low as $72 to Baltimore (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,891 to fly from Boston.

  • What are the cheapest airlines flying from Boston to anywhere?

    According to our data, users have found Spirit Airlines, Alaska Airlines, and American Airlines to have the cheapest round-trip prices from Boston. Some of the destinations and prices are as follows: Spirit Airlines flights from Boston to Baltimore/Washington ($72). Alaska Airlines flights from Boston to Seattle/Tacoma Intl ($285). American Airlines flights from Boston to Los Angeles ($355).

  • What is the cheapest premium economy flight from Boston?

    Options for some of the cheapest premium economy flights from Boston we have found on Cheapflights are as follows:
    Fly from Boston Logan Intl to Louisville starting at $643
    Fly from Boston Logan Intl to Minneapolis starting at $949
    Fly from Boston Logan Intl to Frankfurt am Main Airport starting at $2,311
    Fly from Boston Logan Intl to Washington, D.C. Dulles Intl Airport starting at $2,440

  • What is the cheapest first class flight from Boston?

    If you’re looking to fly first-class from Boston to anywhere, put Miami on your list as prices start at $1,465 for this destination.

  • What is the cheapest month to fly from Boston?

    Currently, the cheapest month for flights from Boston is September. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Boston?

    View the cheapest flight destinations from Boston:
    Fly from Boston to London from $522 round trip
    Fly from Boston to Sydney from $1,463 round trip
    Fly from Boston to Melbourne from $1,472 round trip

  • How does Cheapflights help users find flights from Boston?

    Cheapflights makes it easy to find flights from Boston by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

  • Why should you use Cheapflights to find cheap flight tickets from Boston?

    Cheapflights simply makes it quick and affordable to book flights from Boston by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Boston with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Boston become cheaper?

    Not ready to book yet? You can track prices for flights from Boston on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from Boston?

Cheapflights makes it easy to find flights from Boston by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston?

Cheapflights simply makes it quick and affordable to book flights from Boston by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boston become cheaper?

Not ready to book yet? You can track prices for flights from Boston on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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