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Cheap flights from Boston to London from $211

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 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
10:45 am - 9:45 amBOS-LTN
18h 00m2 stops
Multiple Airlines Logo
1:10 pm - 8:00 pmLTN-BOS
35h 50m2 stops
$470Multiple Airlines
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Tue, Dec 9 - Sun, Dec 14
TAP AIR PORTUGAL Logo
10:45 pm - 3:45 pmBOS-LGW
12h 00m1 stop
TAP AIR PORTUGAL Logo
9:35 am - 8:10 pmLGW-BOS
39h 35m2 stops
$470TAP AIR PORTUGAL
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Fri, Nov 28 - Wed, Dec 3
Iberia Logo
7:25 pm - 7:00 amBOS-LHR
6h 35mnonstop
Iberia Logo
9:55 am - 8:55 pmLHR-BOS
16h 00m1 stop
$493Iberia
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Thu, Nov 6 - Thu, Nov 13
Iberia Logo
7:25 pm - 7:00 amBOS-LHR
6h 35mnonstop
Iberia Logo
11:25 am - 7:50 pmLHR-BOS
13h 25m1 stop
$495Iberia
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Fri, Jan 16 - Wed, Jan 21
Delta Logo
7:10 pm - 6:50 amBOS-LHR
6h 40mnonstop
Delta Logo
6:20 am - 1:40 pmLHR-BOS
12h 20m1 stop
$508Delta
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Tue, Nov 4 - Sat, Nov 8
Delta Logo
7:10 pm - 6:50 amBOS-LHR
6h 40mnonstop
Delta Logo
6:20 am - 4:20 pmLHR-BOS
15h 00m1 stop
$509Delta
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Wed, Nov 19 - Sun, Nov 23
Virgin Atlantic Logo
8:10 pm - 6:50 amBOS-LHR
6h 40mnonstop
Virgin Atlantic Logo
5:30 am - 1:20 pmLHR-BOS
11h 50m1 stop
$510Virgin Atlantic
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Wed, Oct 29 - Sun, Nov 2
British Airways Logo
7:25 pm - 7:00 amBOS-LHR
6h 35mnonstop
British Airways Logo
5:05 pm - 7:45 pmLHR-BOS
7h 40mnonstop
$511British Airways
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Thu, Nov 6 - Mon, Nov 10
British Airways Logo
6:55 pm - 6:30 amBOS-LHR
6h 35mnonstop
British Airways Logo
11:40 am - 2:20 pmLHR-BOS
7h 40mnonstop
$516British Airways
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Sat, Dec 6 - Sun, Dec 14
Virgin Atlantic Logo
7:10 pm - 7:35 pmBOS-LCY
19h 25m1 stop
Virgin Atlantic Logo
10:00 am - 10:28 pmLCY-BOS
17h 28m2 stops
$522Virgin Atlantic
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Mon, Nov 3 - Wed, Nov 5

SWISS flights from Boston to Cambridge

Our best SWISS deals on Boston to Cambridge flight tickets
SWISS
Nov 8
BOS9:50 pmBoston Logan Intl
18h 35m
2 stops
LHR9:25 pmLondon Heathrow
Nov 10
LHR8:05 pmLondon Heathrow
29h 15m
1 stop
BOS8:20 pmBoston Logan Intl
$473
Find similar
SWISS
Oct 26
BOS10:50 pmBoston Logan Intl
15h 00m
1 stop
LGW5:50 pmLondon Gatwick
Nov 3
LGW6:40 pmLondon Gatwick
30h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$474
Find similar
SWISS
Nov 4
BOS9:50 pmBoston Logan Intl
15h 00m
1 stop
LGW5:50 pmLondon Gatwick
Nov 15
LGW6:40 pmLondon Gatwick
30h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$476
Find similar

Iberia flights from Boston to Cambridge

Our best Iberia deals on Boston to Cambridge flight tickets
Iberia
Nov 6
BOS7:25 pmBoston Logan Intl
6h 35m
LHR7:00 amLondon Heathrow
Nov 13
LHR9:55 amLondon Heathrow
16h 00m
1 stop
BOS8:55 pmBoston Logan Intl
$493
Find similar
Iberia
Jan 16
BOS7:25 pmBoston Logan Intl
6h 35m
LHR7:00 amLondon Heathrow
Jan 21
LHR11:25 amLondon Heathrow
13h 25m
1 stop
BOS7:50 pmBoston Logan Intl
$495
Find similar
Iberia
Nov 4
BOS4:50 pmBoston Logan Intl
21h 10m
1 stop
LGW7:00 pmLondon Gatwick
Nov 15
LGW6:45 amLondon Gatwick
19h 10m
1 stop
BOS8:55 pmBoston Logan Intl
$503
Find similar

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 October 9, 2025.
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 - LTN

BOSLTN

Boston Logan Intl

Tue 12/9

10:45 am-9:45 am

2 stops18h 00m

London Luton

Sun 12/14

1:10 pm-8:00 pm

2 stops35h 50m

$470

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 11/28

10:45 pm-3:45 pm

1 stop12h 00m

London Gatwick

Wed 12/3

9:35 am-8:10 pm

2 stops39h 35m

$470

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/6

7:25 pm-7:00 am

Nonstop6h 35m

London Heathrow

Thu 11/13

9:55 am-8:55 pm

1 stop16h 00m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 1/16

7:25 pm-7:00 am

Nonstop6h 35m

London Heathrow

Wed 1/21

11:25 am-7:50 pm

1 stop13h 25m

$495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 11/4

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Sat 11/8

6:20 am-1:40 pm

1 stop12h 20m

$508

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/19

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Sun 11/23

6:20 am-4:20 pm

1 stop15h 00m

$509

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 10/29

8:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Sun 11/2

5:30 am-1:20 pm

1 stop11h 50m

$510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/6

7:25 pm-7:00 am

Nonstop6h 35m

London Heathrow

Mon 11/10

5:05 pm-7:45 pm

Nonstop7h 40m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 12/6

6:55 pm-6:30 am

Nonstop6h 35m

London Heathrow

Sun 12/14

11:40 am-2:20 pm

Nonstop7h 40m

$516

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 11/3

7:10 pm-7:35 pm

1 stop19h 25m

London City

Wed 11/5

10:00 am-10:28 pm

2 stops17h 28m

$522

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, January 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 $539. If you’re not able to fly to Cambridge in January, then October is your next best option. Flight prices from Boston to Cambridge during October average around $540.

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 $637 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 $598 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

1 airport
The fastest flight from Boston to Cambridge takes 6h 30m
Direct flights go from Boston to Cambridge every day.
There is 1 airport near Cambridge: London Heathrow (LHR)
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
SWISSPriceFrom $283Free CancellationRating
7.6
1,766 reviews
Search SWISS flights
JetBluePriceFrom $340Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
TAP AIR PORTUGALPriceFrom $367Free CancellationRating
7.1
2,005 reviews
Search TAP AIR PORTUGAL flights
PLAYPriceFrom $380Free CancellationRating
7.0
103 reviews
Search PLAY flights
KLMPriceFrom $382Free CancellationRating
7.7
1,399 reviews
Search KLM flights
Virgin AtlanticPriceFrom $387Free CancellationRating
7.4
665 reviews
Search Virgin Atlantic flights
Air FrancePriceFrom $391Free CancellationRating
7.4
1,467 reviews
Search Air France flights
British AirwaysPriceFrom $392Free CancellationRating
6.7
7,446 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $393Free CancellationRating
7.4
1,530 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $397Free CancellationRating
7.9
7,971 reviews
Search Delta 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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