Cheap flights from Boston to London from £170

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 8/9. 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 return flights

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06:15 - 11:55BOS-LTN
24h 40m2 stops
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09:00 - 20:20LTN-BOS
16h 20m2 stops
Fri, 7 Nov - Tue, 11 Nov
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06:15 - 15:20BOS-LTN
28h 05m2 stops
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06:00 - 18:02LTN-BOS
17h 02m2 stops
Fri, 7 Nov - Mon, 17 Nov
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19:15 - 15:45BOS-LTN
15h 30m2 stops
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09:00 - 17:50LTN-BOS
13h 50m2 stops
Fri, 5 Sep - Mon, 8 Sep
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19:15 - 20:45BOS-LTN
20h 30m2 stops
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09:00 - 17:50LTN-BOS
13h 50m2 stops
Wed, 3 Sep - Mon, 8 Sep
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06:00 - 15:45BOS-LTN
28h 45m2 stops
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21:55 - 17:55LTN-BOS
25h 00m2 stops
Fri, 5 Sep - Mon, 15 Sep
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10:15 - 12:05BOS-LTN
20h 50m3 stops
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09:00 - 20:20LTN-BOS
16h 20m2 stops
Thu, 6 Nov - Tue, 11 Nov
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13:00 - 16:00BOS-LTN
22h 00m2 stops
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06:00 - 18:02LTN-BOS
17h 02m2 stops
Thu, 20 Nov - Mon, 24 Nov
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10:15 - 21:40BOS-LTN
30h 25m3 stops
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06:00 - 18:02LTN-BOS
17h 02m2 stops
Wed, 19 Nov - Mon, 24 Nov
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06:00 - 20:45BOS-LTN
33h 45m2 stops
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21:55 - 17:55LTN-BOS
25h 00m2 stops
Wed, 3 Sep - Mon, 8 Sep
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10:45 - 09:45BOS-LTN
18h 00m2 stops
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09:00 - 20:20LTN-BOS
16h 20m2 stops
Tue, 11 Nov - Tue, 18 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Boston to London Luton Airport 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 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Boston to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 7/11

06:15-11:55

2 stops24h 40m

London Luton

Tue 11/11

09:00-20:20

2 stops16h 20m

£338

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 7/11

06:15-15:20

2 stops28h 05m

London Luton

Mon 17/11

06:00-18:02

2 stops17h 02m

£339

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 5/9

19:15-15:45

2 stops15h 30m

London Luton

Mon 8/9

09:00-17:50

2 stops13h 50m

£339

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 3/9

19:15-20:45

2 stops20h 30m

London Luton

Mon 8/9

09:00-17:50

2 stops13h 50m

£340

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 5/9

06:00-15:45

2 stops28h 45m

London Luton

Mon 15/9

21:55-17:55

2 stops25h 00m

£342

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 6/11

10:15-12:05

3 stops20h 50m

London Luton

Tue 11/11

09:00-20:20

2 stops16h 20m

£345

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 20/11

13:00-16:00

2 stops22h 00m

London Luton

Mon 24/11

06:00-18:02

2 stops17h 02m

£345

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 19/11

10:15-21:40

3 stops30h 25m

London Luton

Mon 24/11

06:00-18:02

2 stops17h 02m

£348

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 3/9

06:00-20:45

2 stops33h 45m

London Luton

Mon 8/9

21:55-17:55

2 stops25h 00m

£348

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 11/11

10:45-09:45

2 stops18h 00m

London Luton

Tue 18/11

09:00-20:20

2 stops16h 20m

£349

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Boston to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to London Luton Airport (BOS to LTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to London Luton Airport

Best price found

£170

Fastest flight time

9h 40m

Direct flights

None
The best one-way flight to London Luton Airport from Boston in the past 72 hours is £170. The best return flight deal from Boston to London Luton Airport found on momondo in the last 72 hours is £338.
The fastest flight from Boston to London Luton Airport takes 9h 40m
There are no direct flights from Boston to London Luton Airport. Popular non-direct route for this connection is Boston Logan Intl Airport - London Luton Airport.

  • How far is Boston Logan Intl to London Luton by plane?

    The straight-line distance from Boston Logan Intl to London Luton is 3251.1 mi. A reasonable flight in good conditions will take 10h 05m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to London Luton Airport?

    Prices for flights from Boston Logan Intl Airport to London Luton Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to London Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


  • How do I get Price Alerts for flights from Boston to London Luton Airport?

    Price Alerts will notify you by email when the price for flights to London Luton Airport from Boston decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Boston to London Luton Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Maidstone
Canterbury
Gatwick
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Dover
Winchester
Margate
Chelmsford
Bedford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Boston.

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

Flights from Boston to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Boston to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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


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