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Cheap flights from Boston to London from $217

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 4/22. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
11:10 pm - 1:00 pm
BOS
-
LHR
9h 50m
1 stop
SWISS Logo
12:05 pm - 9:20 pm
LHR
-
BOS
13h 15m
1 stop
$491SWISS
Mon, Mar 16 - Thu, Mar 19
Multiple Airlines Logo
6:15 am - 4:45 pm
BOS
-
LTN
29h 30m
2 stops
Multiple Airlines Logo
6:20 am - 9:56 am
LTN
-
BOS
32h 36m
2 stops
$491Multiple Airlines
Thu, Apr 16 - Fri, Apr 24
TAP AIR PORTUGAL Logo
6:05 pm - 10:00 am
BOS
-
LGW
34h 55m
2 stops
TAP AIR PORTUGAL Logo
10:40 am - 2:35 pm
LGW
-
BOS
32h 55m
1 stop
$491TAP AIR PORTUGAL
Wed, Feb 25 - Sun, Mar 1
Icelandair Logo
8:50 pm - 10:55 am
BOS
-
LGW
10h 05m
1 stop
Icelandair Logo
11:55 am - 11:35 am
LGW
-
BOS
27h 40m
1 stop
$493Icelandair
Tue, Mar 17 - Tue, Mar 24
TAP AIR PORTUGAL Logo
10:45 pm - 3:35 pm
BOS
-
LHR
11h 50m
1 stop
TAP AIR PORTUGAL Logo
6:00 am - 8:25 pm
LHR
-
BOS
19h 25m
1 stop
$493TAP AIR PORTUGAL
Wed, Apr 29 - Fri, May 8
Icelandair Logo
8:50 pm - 10:55 am
BOS
-
LGW
10h 05m
1 stop
Icelandair Logo
11:55 am - 6:50 pm
LGW
-
BOS
10h 55m
1 stop
$494Icelandair
Sun, Mar 8 - Thu, Mar 12
Iberia Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
Iberia Logo
11:25 am - 7:50 pm
LHR
-
BOS
13h 25m
1 stop
$496Iberia
Mon, Feb 23 - Sat, Feb 28
Iberia Logo
7:15 pm - 7:00 am
BOS
-
LHR
6h 45mnonstop
Iberia Logo
11:25 am - 7:50 pm
LHR
-
BOS
13h 25m
1 stop
$499Iberia
Wed, Feb 18 - Wed, Feb 25
Lufthansa Logo
4:15 pm - 5:40 pm
BOS
-
LCY
20h 25m
1 stop
Lufthansa Logo
9:50 am - 6:35 pm
LCY
-
BOS
13h 45m
2 stops
$534Lufthansa
Mon, Feb 16 - Wed, Feb 18
Lufthansa Logo
4:15 pm - 5:35 pm
BOS
-
LCY
20h 20m
1 stop
Lufthansa Logo
9:40 am - 6:35 pm
LCY
-
BOS
13h 55m
2 stops
$536Lufthansa
Tue, Feb 17 - Thu, Feb 19

TAP AIR PORTUGAL flights from Boston to Cambridge

Our best TAP AIR PORTUGAL deals on Boston to Cambridge flight tickets
TAP AIR PORTUGAL
Apr 29
BOS10:45 pmBoston Logan Intl
11h 50m
1 stop
LHR3:35 pmLondon Heathrow
May 8
LHR6:00 amLondon Heathrow
19h 25m
1 stop
BOS8:25 pmBoston Logan Intl
$493
TAP AIR PORTUGAL
Mar 25
BOS7:05 pmBoston Logan Intl
10h 45m
1 stop
LGW9:50 amLondon Gatwick
Mar 29
LGW9:15 pmLondon Gatwick
27h 40m
1 stop
BOS7:55 pmBoston Logan Intl
$494
TAP AIR PORTUGAL
Mar 29
BOS10:45 pmBoston Logan Intl
11h 25m
1 stop
LGW3:10 pmLondon Gatwick
Apr 4
LGW9:15 pmLondon Gatwick
27h 40m
1 stop
BOS7:55 pmBoston Logan Intl
$500

Iberia flights from Boston to Cambridge

Our best Iberia deals on Boston to Cambridge flight tickets
Iberia
Feb 11
BOS12:16 pmBoston Logan Intl
28h 54m
1 stop
LHR10:10 pmLondon Heathrow
Feb 14
LHR7:40 pmLondon Heathrow
24h 35m
1 stop
BOS3:15 pmBoston Logan Intl
$492
Iberia
Feb 26
BOS7:15 pmBoston Logan Intl
6h 45m
LHR7:00 amLondon Heathrow
Mar 5
LHR11:25 amLondon Heathrow
13h 25m
1 stop
BOS7:50 pmBoston Logan Intl
$496
Iberia
Feb 1
BOS7:15 pmBoston Logan Intl
6h 45m
LHR7:00 amLondon Heathrow
Feb 8
LHR11:25 amLondon Heathrow
13h 25m
1 stop
BOS7:50 pmBoston Logan Intl
$499

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 January 28, 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

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 3/16

11:10 pm-1:00 pm

1 stop9h 50m

London Heathrow

Thu 3/19

12:05 pm-9:20 pm

1 stop13h 15m

$491

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 4/16

6:15 am-4:45 pm

2 stops29h 30m

London Luton

Fri 4/24

6:20 am-9:56 am

2 stops32h 36m

$491

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Wed 2/25

6:05 pm-10:00 am

2 stops34h 55m

London Gatwick

Sun 3/1

10:40 am-2:35 pm

1 stop32h 55m

$491

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 3/17

8:50 pm-10:55 am

1 stop10h 05m

London Gatwick

Tue 3/24

11:55 am-11:35 am

1 stop27h 40m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 4/29

10:45 pm-3:35 pm

1 stop11h 50m

London Heathrow

Fri 5/8

6:00 am-8:25 pm

1 stop19h 25m

$493

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 3/8

8:50 pm-10:55 am

1 stop10h 05m

London Gatwick

Thu 3/12

11:55 am-6:50 pm

1 stop10h 55m

$494

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 2/23

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Sat 2/28

11:25 am-7:50 pm

1 stop13h 25m

$496

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 2/18

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Wed 2/25

11:25 am-7:50 pm

1 stop13h 25m

$499

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 2/16

4:15 pm-5:40 pm

1 stop20h 25m

London City

Wed 2/18

9:50 am-6:35 pm

2 stops13h 45m

$534

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 2/17

4:15 pm-5:35 pm

1 stop20h 20m

London City

Thu 2/19

9:40 am-6:35 pm

2 stops13h 55m

$536

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 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 September is your next best option. Flight prices from Boston to Cambridge during September average around $544.

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

Fly from Boston Logan Intl to London Heathrow 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 $634 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 $611 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).
Search flight deals

  • 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 $266Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
SWISSPriceFrom $320Free CancellationRating
7.6
1,863 reviews
Search SWISS flights
PLAYPriceFrom $380Free CancellationRating
7.0
103 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $393Free CancellationRating
7.3
1,672 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $425Free CancellationRating
7.1
2,130 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $460Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights
IcelandairPriceFrom $465Free CancellationRating
7.1
605 reviews
Search Icelandair flights
LufthansaPriceFrom $466Free CancellationRating
6.8
7,752 reviews
Search Lufthansa flights
Air FrancePriceFrom $467Free CancellationRating
7.4
1,528 reviews
Search Air France flights
FinnairPriceFrom $467Free CancellationRating
7.6
1,356 reviews
Search Finnair 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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