Cheap flights from Boston to London from £157

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 7/10. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Boston to London

Cheap return flights

Multiple Airlines Logo
13:00 - 16:15BOS-LTN
22h 15m2 stops
Multiple Airlines Logo
06:00 - 19:12LTN-BOS
18h 12m3 stops
£328Multiple Airlines
Find Deal
Fri, 14 Nov - Mon, 17 Nov
Multiple Airlines Logo
13:00 - 09:45BOS-LTN
15h 45m2 stops
Multiple Airlines Logo
09:00 - 20:20LTN-BOS
16h 20m2 stops
£329Multiple Airlines
Find Deal
Tue, 4 Nov - Tue, 11 Nov
Multiple Airlines Logo
13:00 - 16:00BOS-LTN
23h 00m2 stops
Multiple Airlines Logo
09:00 - 20:20LTN-BOS
16h 20m2 stops
£330Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
10:45 - 13:20BOS-LTN
21h 35m2 stops
Multiple Airlines Logo
09:00 - 20:20LTN-BOS
16h 20m2 stops
£330Multiple Airlines
Find Deal
Thu, 13 Nov - Tue, 18 Nov
Multiple Airlines Logo
21:20 - 15:25BOS-LTN
13h 05m1 stop
Multiple Airlines Logo
05:50 - 13:55LTN-BOS
13h 05m1 stop
£332Multiple Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
Multiple Airlines Logo
21:20 - 16:00BOS-LTN
13h 40m1 stop
Multiple Airlines Logo
06:00 - 13:55LTN-BOS
12h 55m1 stop
£333Multiple Airlines
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Multiple Airlines Logo
13:00 - 15:25BOS-LTN
21h 25m2 stops
Multiple Airlines Logo
09:00 - 20:20LTN-BOS
16h 20m2 stops
£334Multiple Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
Multiple Airlines Logo
21:25 - 13:35BOS-LTN
11h 10m1 stop
Multiple Airlines Logo
13:30 - 18:45LTN-BOS
10h 15m1 stop
£335Multiple Airlines
Find Deal
Fri, 17 Oct - Fri, 24 Oct
Multiple Airlines Logo
18:10 - 08:55BOS-LTN
10h 45m1 stop
Multiple Airlines Logo
06:00 - 13:55LTN-BOS
12h 55m1 stop
£336Multiple Airlines
Find Deal
Sun, 26 Oct - Mon, 3 Nov
Multiple Airlines Logo
13:00 - 18:15BOS-LTN
24h 15m2 stops
Multiple Airlines Logo
06:00 - 21:27LTN-BOS
20h 27m3 stops
£336Multiple Airlines
Find Deal
Sat, 8 Nov - Sat, 15 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 18 September 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 14/11

13:00-16:15

2 stops22h 15m

London Luton

Mon 17/11

06:00-19:12

3 stops18h 12m

£328

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 4/11

13:00-09:45

2 stops15h 45m

London Luton

Tue 11/11

09:00-20:20

2 stops16h 20m

£329

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 30/10

13:00-16:00

2 stops23h 00m

London Luton

Thu 6/11

09:00-20:20

2 stops16h 20m

£330

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 13/11

10:45-13:20

2 stops21h 35m

London Luton

Tue 18/11

09:00-20:20

2 stops16h 20m

£330

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 7/11

21:20-15:25

1 stop13h 05m

London Luton

Fri 14/11

05:50-13:55

1 stop13h 05m

£332

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 6/11

21:20-16:00

1 stop13h 40m

London Luton

Mon 10/11

06:00-13:55

1 stop12h 55m

£333

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 14/11

13:00-15:25

2 stops21h 25m

London Luton

Tue 18/11

09:00-20:20

2 stops16h 20m

£334

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 17/10

21:25-13:35

1 stop11h 10m

London Luton

Fri 24/10

13:30-18:45

1 stop10h 15m

£335

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 26/10

18:10-08:55

1 stop10h 45m

London Luton

Mon 3/11

06:00-13:55

1 stop12h 55m

£336

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 8/11

13:00-18:15

2 stops24h 15m

London Luton

Sat 15/11

06:00-21:27

3 stops20h 27m

£336

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

Direct flights

None
There are no direct flights from Boston to London Luton Airport. There are no popular flight routes from Boston to 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 9h 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
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

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.

An easier way to manage your London Luton Airport trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 18/10
Sat 25/10

Find better results for your trip to London