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Cheap flights from Boston to London from $220

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 2/1. 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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Find the cheapest flights from Boston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:15 am - 9:05 pm
BOS
-
STN
29h 50m3 stops
Multiple Airlines Logo
9:45 pm - 6:02 pm
STN
-
BOS
25h 17m2 stops
$503Multiple Airlines
mer., févr. 18 - dim., févr. 22
Multiple Airlines Logo
10:15 am - 8:05 pm
BOS
-
STN
28h 50m3 stops
Multiple Airlines Logo
9:45 pm - 3:57 pm
STN
-
BOS
23h 12m2 stops
$504Multiple Airlines
sam., janv. 31 - sam., févr. 7
Multiple Airlines Logo
1:00 pm - 2:50 pm
BOS
-
STN
21h 50m2 stops
Multiple Airlines Logo
8:00 pm - 10:37 pm
STN
-
BOS
30h 37m2 stops
$505Multiple Airlines
jeu., mars 19 - dim., mars 22
Multiple Airlines Logo
10:40 pm - 4:55 pm
BOS
-
STN
13h 15m1 stop
Multiple Airlines Logo
8:55 pm - 8:55 pm
STN
-
BOS
29h 00m1 stop
$506Multiple Airlines
lun., janv. 19 - mer., janv. 21
Multiple Airlines Logo
7:25 pm - 10:10 am
BOS
-
STN
9h 45m1 stop
Multiple Airlines Logo
7:05 am - 4:50 pm
STN
-
BOS
14h 45m1 stop
$507Multiple Airlines
jeu., janv. 8 - jeu., janv. 15
Multiple Airlines Logo
10:40 pm - 5:35 pm
BOS
-
STN
13h 55m1 stop
Multiple Airlines Logo
8:55 pm - 8:55 pm
STN
-
BOS
29h 00m1 stop
$508Multiple Airlines
jeu., janv. 29 - mer., févr. 4
Multiple Airlines Logo
10:15 am - 2:05 pm
BOS
-
STN
22h 50m2 stops
Multiple Airlines Logo
8:05 am - 9:32 am
STN
-
BOS
30h 27m2 stops
$509Multiple Airlines
lun., janv. 12 - lun., janv. 19
Multiple Airlines Logo
5:25 pm - 1:20 pm
BOS
-
STN
15h 55m2 stops
Multiple Airlines Logo
9:45 pm - 7:35 pm
STN
-
BOS
25h 50m2 stops
$511Multiple Airlines
mer., mars 11 - dim., mars 15
Multiple Airlines Logo
6:10 pm - 7:50 am
BOS
-
STN
9h 40m1 stop
Multiple Airlines Logo
6:30 am - 7:55 pm
STN
-
BOS
17h 25m1 stop
$512Multiple Airlines
mer., mars 18 - mer., mars 25
Multiple Airlines Logo
5:10 pm - 9:50 am
BOS
-
STN
11h 40m1 stop
Multiple Airlines Logo
6:30 am - 1:55 pm
STN
-
BOS
12h 25m1 stop
$514Multiple Airlines
mar., févr. 3 - mer., févr. 11

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated décembre 18, 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

mer. 2/18

10:15 am-9:05 pm

3 stops29h 50m

London Stansted

dim. 2/22

9:45 pm-6:02 pm

2 stops25h 17m

$503

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

sam. 1/31

10:15 am-8:05 pm

3 stops28h 50m

London Stansted

sam. 2/7

9:45 pm-3:57 pm

2 stops23h 12m

$504

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

jeu. 3/19

1:00 pm-2:50 pm

2 stops21h 50m

London Stansted

dim. 3/22

8:00 pm-10:37 pm

2 stops30h 37m

$505

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

lun. 1/19

10:40 pm-4:55 pm

1 stop13h 15m

London Stansted

mer. 1/21

8:55 pm-8:55 pm

1 stop29h 00m

$506

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

jeu. 1/8

7:25 pm-10:10 am

1 stop9h 45m

London Stansted

jeu. 1/15

7:05 am-4:50 pm

1 stop14h 45m

$507

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

jeu. 1/29

10:40 pm-5:35 pm

1 stop13h 55m

London Stansted

mer. 2/4

8:55 pm-8:55 pm

1 stop29h 00m

$508

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

lun. 1/12

10:15 am-2:05 pm

2 stops22h 50m

London Stansted

lun. 1/19

8:05 am-9:32 am

2 stops30h 27m

$509

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

mer. 3/11

5:25 pm-1:20 pm

2 stops15h 55m

London Stansted

dim. 3/15

9:45 pm-7:35 pm

2 stops25h 50m

$511

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

mer. 3/18

6:10 pm-7:50 am

1 stop9h 40m

London Stansted

mer. 3/25

6:30 am-7:55 pm

1 stop17h 25m

$512

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

mar. 2/3

5:10 pm-9:50 am

1 stop11h 40m

London Stansted

mer. 2/11

6:30 am-1:55 pm

1 stop12h 25m

$514

Flights are sorted by cheapest round-trip 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 $378, are often lower during this time because this is during the off-season. If you are unable to visit London Stansted Airport during the month of February, then departing from Boston during the month March is also very affordable. Most momondo users find prices during this month for around $411.

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

The cheapest day to depart on your flight to London Stansted Airport is on a Thursday when prices can be found for as low as $435. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $600.

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

Our most recent data shows that the best time of day to fly to London Stansted Airport is in the afternoon. Flights from Boston to London Stansted Airport during this time can be as low as $420. In contrast, the most expensive time of day to depart to London Stansted Airport is in the morning when prices are around $677.

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 round-trip 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

Fastest flight time

9h 20m

Direct flights

None
The fastest flight from Boston to London Stansted Airport takes 9h 20m
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?

    A flight from Boston Logan Intl to London Stansted will travel around 3275.3 mi. 9h 20m is a normal flight duration for this route.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to London Stansted Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 you'll need for your trip to London Stansted 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 Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to London Stansted Airport?

Best airlines flying from Boston to London Stansted Airport

Compare and see reviews for airlines that fly from Boston to London Stansted Airport with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $382Free CancellationRating
7.0
103 reviews
Search PLAY flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to London. Millions of users trust and use momondo every year so you are in good hands.

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?

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 not ready to book a flight from Boston to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Stansted Airport trip

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