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Cheap flights from Boston to London from £148

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 13/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Boston to London (BOS-STN)

Cheap return flights

Logo
21:25 - 14:20BOS-STN
11h 55m1 stop
Logo
08:15 - 14:40STN-BOS
11h 25m1 stop
£338
Find Deal
ma., 13 okt. - to., 16 okt.
Logo
17:30 - 07:50BOS-STN
9h 20m1 stop
Logo
06:25 - 14:40STN-BOS
13h 15m1 stop
£338
Find Deal
on., 10 sep. - ma., 15 sep.
Logo
21:25 - 14:20BOS-STN
11h 55m1 stop
Logo
12:00 - 19:55STN-BOS
11h 55m1 stop
£339
Find Deal
fr., 17 okt. - lø., 1 nov.
Logo
10:20 - 10:50BOS-STN
19h 30m2 stops
Logo
06:25 - 09:30STN-BOS
32h 05m2 stops
£340
Find Deal
ma., 8 sep. - ma., 15 sep.
Logo
17:30 - 07:50BOS-STN
9h 20m1 stop
Logo
11:00 - 18:45STN-BOS
12h 45m1 stop
£341
Find Deal
on., 15 okt. - ma., 20 okt.
Logo
15:15 - 18:20BOS-STN
22h 05m2 stops
Logo
06:25 - 14:30STN-BOS
13h 05m2 stops
£341
Find Deal
ma., 8 sep. - ma., 22 sep.
Logo
21:25 - 14:20BOS-STN
11h 55m1 stop
Logo
06:40 - 14:40STN-BOS
13h 00m1 stop
£342
Find Deal
ma., 8 sep. - fr., 12 sep.
Logo
23:35 - 20:55BOS-STN
16h 20m2 stops
Logo
08:15 - 18:50STN-BOS
15h 35m2 stops
£344
Find Deal
on., 8 okt. - on., 15 okt.
PLAY Logo
19:15 - 10:40BOS-STN
10h 25m1 stop
PLAY Logo
11:40 - 17:50STN-BOS
11h 10m1 stop
£349PLAY
Find Deal
lø., 6 sep. - lø., 13 sep.
PLAY Logo
19:15 - 10:40BOS-STN
10h 25m1 stop
PLAY Logo
11:40 - 17:50STN-BOS
11h 10m1 stop
£350PLAY
Find Deal
lø., 6 sep. - on., 10 sep.

PLAY flights from Boston to London Stansted Airport

Our best PLAY deals on Boston to London Stansted Airport flight tickets
PLAY
6 Sept
BOS19:15Boston Logan Intl
10h 25m
1 stop
STN10:40London Stansted
11 Sept
STN11:40London Stansted
11h 10m
1 stop
BOS17:50Boston Logan Intl
£343
Find similar
PLAY
6 Sept
BOS19:15Boston Logan Intl
10h 25m
1 stop
STN10:40London Stansted
11 Sept
STN11:40London Stansted
11h 10m
1 stop
BOS17:50Boston Logan Intl
£345
Find similar
PLAY
6 Sept
BOS19:15Boston Logan Intl
10h 25m
1 stop
STN10:40London Stansted
13 Sept
STN11:40London Stansted
11h 10m
1 stop
BOS17:50Boston Logan Intl
£349
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Boston to London Stansted 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 27 august 2025.
Use the filters below to find and compare flights from Boston to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

ma. 13/10

21:25-14:20

1 stop11h 55m

London Stansted

to. 16/10

08:15-14:40

1 stop11h 25m

£338

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

on. 10/9

17:30-07:50

1 stop9h 20m

London Stansted

ma. 15/9

06:25-14:40

1 stop13h 15m

£338

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

fr. 17/10

21:25-14:20

1 stop11h 55m

London Stansted

lø. 1/11

12:00-19:55

1 stop11h 55m

£339

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

ma. 8/9

10:20-10:50

2 stops19h 30m

London Stansted

ma. 15/9

06:25-09:30

2 stops32h 05m

£340

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

on. 15/10

17:30-07:50

1 stop9h 20m

London Stansted

ma. 20/10

11:00-18:45

1 stop12h 45m

£341

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

ma. 8/9

15:15-18:20

2 stops22h 05m

London Stansted

ma. 22/9

06:25-14:30

2 stops13h 05m

£341

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

ma. 8/9

21:25-14:20

1 stop11h 55m

London Stansted

fr. 12/9

06:40-14:40

1 stop13h 00m

£342

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

on. 8/10

23:35-20:55

2 stops16h 20m

London Stansted

on. 15/10

08:15-18:50

2 stops15h 35m

£344

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

lø. 6/9

19:15-10:40

1 stop10h 25m

London Stansted

lø. 13/9

11:40-17:50

1 stop11h 10m

£349

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

lø. 6/9

19:15-10:40

1 stop10h 25m

London Stansted

on. 10/9

11:40-17:50

1 stop11h 10m

£350

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Boston to London Stansted 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

What is the cheapest month to fly to London Stansted Airport?

The cheapest month to fly to London Stansted Airport from Boston is in February. Flight prices, which tend to average around £281, are often lower during this time because this is during the off-season. If you aren’t able to travel to London Stansted Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £301.

What is the cheapest time of day to depart on your flight to London Stansted Airport?

Our data shows that the cheapest Boston to London Stansted Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Stansted Airport in the afternoon for as low as £399. Flights in the evening are often more expensive, with an average ticket price of £619.

When to book flights from Boston to London Stansted Airport

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

Cheap Boston to London Stansted Airport (BOS to STN) flight deals and tips

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

Direct flights

None
There are no direct flights from Boston to London Stansted Airport. There are no popular flight routes from Boston to London Stansted Airport.
Search flight deals

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

    There are 3275.3 mi between Boston Logan Intl and London Stansted. In terms of flight time, this usually takes a little over 9h 15m.

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

    Prices for flights from Boston Logan Intl Airport to London Stansted Airport refresh daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to London Stansted 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 Stansted Airport.

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

    The travel and health documents required for your trip to London Stansted Airport 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 London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to London. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to London from Boston which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Boston and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to London from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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