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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 1/2. 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 return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:50 - 18:15
BOS
-
LTN
17h 25m2 stops
Multiple Airlines Logo
05:50 - 17:50
LTN
-
BOS
17h 00m2 stops
£376Multiple Airlines
Sat, 17 Jan - Fri, 23 Jan
Multiple Airlines Logo
05:30 - 20:00
BOS
-
LTN
33h 30m3 stops
Multiple Airlines Logo
15:35 - 20:20
LTN
-
BOS
33h 45m2 stops
£379Multiple Airlines
Wed, 14 Jan - Wed, 21 Jan
Multiple Airlines Logo
20:50 - 14:50
BOS
-
LTN
14h 00m1 stop
Multiple Airlines Logo
07:00 - 18:50
LTN
-
BOS
15h 50m1 stop
£381Multiple Airlines
Sun, 15 Mar - Tue, 24 Mar
Multiple Airlines Logo
21:15 - 15:25
BOS
-
LTN
13h 10m1 stop
Multiple Airlines Logo
09:00 - 18:59
LTN
-
BOS
14h 59m1 stop
£384Multiple Airlines
Fri, 6 Feb - Tue, 10 Feb
Multiple Airlines Logo
17:10 - 09:45
BOS
-
LTN
11h 35m1 stop
Multiple Airlines Logo
06:50 - 13:55
LTN
-
BOS
12h 05m1 stop
£385Multiple Airlines
Tue, 3 Feb - Wed, 11 Feb
Multiple Airlines Logo
22:50 - 17:40
BOS
-
LTN
13h 50m1 stop
Multiple Airlines Logo
12:20 - 21:05
LTN
-
BOS
13h 45m1 stop
£386Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
13:00 - 18:15
BOS
-
LTN
24h 15m3 stops
Multiple Airlines Logo
08:30 - 20:20
LTN
-
BOS
16h 50m2 stops
£389Multiple Airlines
Mon, 19 Jan - Wed, 28 Jan
Multiple Airlines Logo
05:30 - 18:50
BOS
-
LTN
32h 20m3 stops
Multiple Airlines Logo
15:35 - 17:40
LTN
-
BOS
31h 05m2 stops
£390Multiple Airlines
Mon, 13 Apr - Sun, 26 Apr
Multiple Airlines Logo
15:35 - 20:00
BOS
-
LTN
24h 25m2 stops
Multiple Airlines Logo
08:00 - 21:20
LTN
-
BOS
17h 20m2 stops
£393Multiple Airlines
Tue, 17 Mar - Thu, 26 Mar
Multiple Airlines Logo
19:50 - 18:15
BOS
-
LTN
17h 25m2 stops
Multiple Airlines Logo
09:00 - 17:50
LTN
-
BOS
13h 50m2 stops
£394Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar

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 December 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

Sat 17/1

19:50-18:15

2 stops17h 25m

London Luton

Fri 23/1

05:50-17:50

2 stops17h 00m

£376

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 14/1

05:30-20:00

3 stops33h 30m

London Luton

Wed 21/1

15:35-20:20

2 stops33h 45m

£379

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 15/3

20:50-14:50

1 stop14h 00m

London Luton

Tue 24/3

07:00-18:50

1 stop15h 50m

£381

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 6/2

21:15-15:25

1 stop13h 10m

London Luton

Tue 10/2

09:00-18:59

1 stop14h 59m

£384

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 3/2

17:10-09:45

1 stop11h 35m

London Luton

Wed 11/2

06:50-13:55

1 stop12h 05m

£385

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 5/5

22:50-17:40

1 stop13h 50m

London Luton

Tue 12/5

12:20-21:05

1 stop13h 45m

£386

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 19/1

13:00-18:15

3 stops24h 15m

London Luton

Wed 28/1

08:30-20:20

2 stops16h 50m

£389

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 13/4

05:30-18:50

3 stops32h 20m

London Luton

Sun 26/4

15:35-17:40

2 stops31h 05m

£390

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 17/3

15:35-20:00

2 stops24h 25m

London Luton

Thu 26/3

08:00-21:20

2 stops17h 20m

£393

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 28/2

19:50-18:15

2 stops17h 25m

London Luton

Sat 7/3

09:00-17:50

2 stops13h 50m

£394

Flights are sorted by cheapest return flights first.

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

See travel insights to London from

How to get the cheapest flight ticket from Boston to London Luton Airport

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

How often are flights from Boston to London delayed?

Historically, on average around 100% of flights between Boston and London have experienced a delay on any given week. The average delay length over the past 12 months has been 54 minutes.

What is the most punctual flight time for Boston to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Boston to London Luton Airport takes 9h 15m
There are no direct flights from Boston to London Luton Airport. There are no popular flight routes from Boston to London Luton Airport.
Search flight deals

  • 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 15m.

  • 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.

Travelling to a place near London?

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