Cheap flights from Boston to London from $224

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to London departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Scandinavian Airlines Logo
5:40 pm - 8:55 am
BOS
-
LHR
34h 15m
2 stops
Scandinavian Airlines Logo
6:40 am - 3:35 pm
LHR
-
BOS
13h 55m
1 stop
$493Scandinavian Airlines
Fri, Aug 28 - Mon, Aug 31
Air Canada Logo
6:40 pm - 9:00 pm
BOS
-
LHR
21h 20m
1 stop
Air Canada Logo
11:05 am - 2:52 pm
LHR
-
BOS
32h 47m
2 stops
$494Air Canada
Sat, Apr 18 - Mon, Apr 20
Icelandair Logo
11:00 pm - 8:20 pm
BOS
-
LHR
16h 20m
1 stop
Icelandair Logo
1:05 pm - 6:50 pm
LHR
-
BOS
10h 45m
1 stop
$495Icelandair
Thu, Apr 23 - Sun, May 3
Icelandair Logo
11:00 pm - 8:20 pm
BOS
-
LHR
16h 20m
1 stop
Icelandair Logo
1:05 pm - 6:50 pm
LHR
-
BOS
10h 45m
1 stop
$496Icelandair
Mon, Apr 20 - Tue, May 12
Icelandair Logo
8:50 pm - 2:40 pm
BOS
-
LGW
12h 50m
1 stop
Icelandair Logo
3:40 pm - 6:50 pm
LGW
-
BOS
32h 10m
1 stop
$496Icelandair
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
11:00 pm - 5:55 pm
BOS
-
LGW
13h 55m
2 stops
Multiple Airlines Logo
7:05 pm - 6:50 pm
LGW
-
BOS
28h 45m
3 stops
$499Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
8:50 pm - 12:50 am
BOS
-
STN
23h 00m
2 stops
Multiple Airlines Logo
6:50 am - 6:50 pm
STN
-
BOS
17h 00m
2 stops
$500Multiple Airlines
Fri, Apr 3 - Fri, Apr 10
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$619SWISS
Wed, Apr 1 - Wed, Apr 8
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$624SWISS
Wed, Apr 8 - Fri, Apr 10
Delta Logo
4:35 pm - 7:55 am
BOS
-
LCY
10h 20m
1 stop
Delta Logo
8:25 am - 4:25 pm
LCY
-
BOS
13h 00m
1 stop
$632Delta
Wed, Apr 8 - Wed, Apr 15

TAP AIR PORTUGAL flights from Boston to Cambridge

Our best TAP AIR PORTUGAL deals on Boston to Cambridge flight tickets
TAP AIR PORTUGAL
Apr 1
BOS11:15 pmBoston Logan Intl
16h 15m
1 stop
LGW8:30 pmLondon Gatwick
Apr 7
LGW4:25 pmLondon Gatwick
27h 20m
1 stop
BOS2:45 pmBoston Logan Intl
$516
TAP AIR PORTUGAL
Mar 22
BOS11:45 pmBoston Logan Intl
12h 00m
1 stop
LGW3:45 pmLondon Gatwick
Mar 31
LGW9:15 pmLondon Gatwick
28h 05m
1 stop
BOS8:20 pmBoston Logan Intl
$517
TAP AIR PORTUGAL
Mar 23
BOS7:05 pmBoston Logan Intl
21h 30m
2 stops
LGW8:35 pmLondon Gatwick
Apr 13
LGW12:05 pmLondon Gatwick
13h 15m
1 stop
BOS8:20 pmBoston Logan Intl
$522

Icelandair flights from Boston to Cambridge

Our best Icelandair deals on Boston to Cambridge flight tickets
Icelandair
Apr 23
BOS11:00 pmBoston Logan Intl
16h 20m
1 stop
LHR8:20 pmLondon Heathrow
May 3
LHR1:05 pmLondon Heathrow
10h 45m
1 stop
BOS6:50 pmBoston Logan Intl
$495
Icelandair
Apr 20
BOS11:00 pmBoston Logan Intl
16h 20m
1 stop
LHR8:20 pmLondon Heathrow
May 12
LHR1:05 pmLondon Heathrow
10h 45m
1 stop
BOS6:50 pmBoston Logan Intl
$496
Icelandair
Apr 2
BOS11:00 pmBoston Logan Intl
31h 55m
1 stop
LHR11:55 amLondon Heathrow
Apr 14
LHR9:25 pmLondon Heathrow
29h 20m
1 stop
BOS9:45 pmBoston Logan Intl
$497

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Cambridge that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Boston to Cambridge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 8/28

5:40 pm-8:55 am

2 stops34h 15m

London Heathrow

Mon 8/31

6:40 am-3:35 pm

1 stop13h 55m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 4/18

6:40 pm-9:00 pm

1 stop21h 20m

London Heathrow

Mon 4/20

11:05 am-2:52 pm

2 stops32h 47m

$494

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 4/23

11:00 pm-8:20 pm

1 stop16h 20m

London Heathrow

Sun 5/3

1:05 pm-6:50 pm

1 stop10h 45m

$495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 4/20

11:00 pm-8:20 pm

1 stop16h 20m

London Heathrow

Tue 5/12

1:05 pm-6:50 pm

1 stop10h 45m

$496

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 5/5

8:50 pm-2:40 pm

1 stop12h 50m

London Gatwick

Tue 5/12

3:40 pm-6:50 pm

1 stop32h 10m

$496

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 4/26

11:00 pm-5:55 pm

2 stops13h 55m

London Gatwick

Tue 5/5

7:05 pm-6:50 pm

3 stops28h 45m

$499

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Fri 4/3

8:50 pm-12:50 am

2 stops23h 00m

London Stansted

Fri 4/10

6:50 am-6:50 pm

2 stops17h 00m

$500

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 4/1

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 4/8

1:10 pm-7:55 pm

1 stop11h 45m

$619
Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 4/8

5:20 pm-8:40 am

1 stop10h 20m

London City

Fri 4/10

9:15 am-3:10 pm

1 stop10h 55m

$624

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 4/8

4:35 pm-7:55 am

1 stop10h 20m

London City

Wed 4/15

8:25 am-4:25 pm

1 stop13h 00m

$632

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Boston to Cambridge

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Cambridge?

What is the cheapest month to fly to Cambridge?

In general, October is the cheapest month to fly from Boston to Cambridge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $517. If you’re not able to fly to Cambridge in October, then January is your next best option. Flight prices from Boston to Cambridge during January average around $522.

What is the cheapest Boston Logan Intl to Cambridge flight route?

Fly from Boston Logan Intl to London Gatwick for the best Boston Logan Intl - Cambridge flight prices

How far in advance should I book a flight to Cambridge?

You are more likely to see cheaper flights to Cambridge from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $617 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambridge from Boston for as low as $588 on momondo.

What cabin class options are available on Boston Logan Intl to Cambridge flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Cambridge flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Cambridge flights?

No. A direct flight is the cheapest option for a flight between Boston to Cambridge.

Cheap Boston to Cambridge flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Cambridge

Fastest flight time

6h 30m

Direct flights

Every day

Airports in Cambridge

6 airports
The fastest flight from Boston to Cambridge takes 6h 30m
Direct flights go from Boston to Cambridge every day.
There are 6 airports in Cambridge. From Boston there are direct flights to London Heathrow (LHR), London Gatwick (LGW).
  • When did momondo last update prices for flights from Boston Logan Intl Airport to Cambridge?

    Prices for flights from Boston Logan Intl Airport to Cambridge refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Cambridge?

  • How old do you have to be to fly from Boston Logan Intl Airport to Cambridge?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Cambridge.

  • What documentation or ID do you need to fly to Cambridge?

    The travel and health documents required for your trip to Cambridge can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cambridge. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Cambridge?

Best airlines flying from Boston to Cambridge

Compare and see reviews for airlines that fly from Boston to Cambridge with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $258Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
SWISSPriceFrom $293Free CancellationRating
7.5
1,897 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $393Free CancellationRating
7.3
1,714 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $422Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $425Free CancellationRating
7.1
2,166 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $441Free CancellationRating
7.1
620 reviews
Search Icelandair flights
American AirlinesPriceFrom $459Free CancellationRating
7.1
11,465 reviews
Search American Airlines flights
Aer LingusPriceFrom $465Free CancellationRating
7.2
1,477 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $465Free CancellationRating
6.7
7,786 reviews
Search British Airways flights
LufthansaPriceFrom $466Free CancellationRating
6.8
7,848 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Cambridge?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Cambridge. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Cambridge with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Cambridge flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Cambridge?

Once you have performed a search for Boston to Cambridge flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Cambridge right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cambridge, momondo offers a useful price alert feature which will track prices for flights to Cambridge from Boston and alert you when they change.

An easier way to manage your Cambridge trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Mon 4/13
Mon 4/20

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