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Cheap flights from Boston to London from $223

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 1/30. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:40 pm - 7:15 am
BOS
-
STN
27h 35m
1 stop
Multiple Airlines Logo
8:55 pm - 8:55 pm
STN
-
BOS
29h 00m
1 stop
$489Multiple Airlines
Mon, Feb 2 - Wed, Feb 4
Multiple Airlines Logo
8:40 pm - 10:55 pm
BOS
-
STN
21h 15m
2 stops
Multiple Airlines Logo
7:40 am - 8:55 pm
STN
-
BOS
18h 15m
1 stop
$492Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
1:00 pm - 1:20 pm
BOS
-
STN
19h 20m
2 stops
Multiple Airlines Logo
9:45 pm - 6:35 pm
STN
-
BOS
25h 50m
2 stops
$493Multiple Airlines
Sun, Feb 1 - Wed, Feb 4
Multiple Airlines Logo
10:40 pm - 7:30 am
BOS
-
STN
27h 50m
1 stop
Multiple Airlines Logo
7:40 am - 8:55 pm
STN
-
BOS
18h 15m
1 stop
$494Multiple Airlines
Tue, Feb 3 - Sat, Feb 7
Multiple Airlines Logo
1:00 pm - 8:05 pm
BOS
-
STN
26h 05m
2 stops
Multiple Airlines Logo
9:45 pm - 6:35 pm
STN
-
BOS
25h 50m
2 stops
$495Multiple Airlines
Sun, Feb 1 - Wed, Feb 4
Multiple Airlines Logo
8:40 pm - 10:50 pm
BOS
-
STN
21h 10m
2 stops
Multiple Airlines Logo
9:45 pm - 2:52 pm
STN
-
BOS
22h 07m
3 stops
$496Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
1:00 pm - 2:50 pm
BOS
-
STN
20h 50m
2 stops
Multiple Airlines Logo
6:30 am - 6:35 pm
STN
-
BOS
17h 05m
2 stops
$497Multiple Airlines
Sun, Feb 1 - Fri, Feb 6
Multiple Airlines Logo
11:15 pm - 1:20 pm
BOS
-
STN
10h 05m
1 stop
Multiple Airlines Logo
8:30 am - 7:55 pm
STN
-
BOS
15h 25m
2 stops
$498Multiple Airlines
Sun, Mar 8 - Wed, Mar 25
Multiple Airlines Logo
11:30 pm - 7:25 pm
BOS
-
STN
14h 55m
1 stop
Multiple Airlines Logo
6:30 am - 2:55 pm
STN
-
BOS
13h 25m
1 stop
$500Multiple Airlines
Mon, Apr 13 - Tue, Apr 21
Multiple Airlines Logo
7:50 pm - 9:20 pm
BOS
-
STN
20h 30m
2 stops
Multiple Airlines Logo
6:30 am - 5:50 pm
STN
-
BOS
16h 20m
2 stops
$501Multiple Airlines
Mon, Feb 2 - Fri, Feb 6

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 January 21, 2026.
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

Mon 2/2

10:40 pm-7:15 am

1 stop27h 35m

London Stansted

Wed 2/4

8:55 pm-8:55 pm

1 stop29h 00m

$489

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 2/24

8:40 pm-10:55 pm

2 stops21h 15m

London Stansted

Tue 3/3

7:40 am-8:55 pm

1 stop18h 15m

$492

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 2/1

1:00 pm-1:20 pm

2 stops19h 20m

London Stansted

Wed 2/4

9:45 pm-6:35 pm

2 stops25h 50m

$493

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 2/3

10:40 pm-7:30 am

1 stop27h 50m

London Stansted

Sat 2/7

7:40 am-8:55 pm

1 stop18h 15m

$494

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 2/1

1:00 pm-8:05 pm

2 stops26h 05m

London Stansted

Wed 2/4

9:45 pm-6:35 pm

2 stops25h 50m

$495

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 2/18

8:40 pm-10:50 pm

2 stops21h 10m

London Stansted

Wed 2/25

9:45 pm-2:52 pm

3 stops22h 07m

$496

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 2/1

1:00 pm-2:50 pm

2 stops20h 50m

London Stansted

Fri 2/6

6:30 am-6:35 pm

2 stops17h 05m

$497

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 3/8

11:15 pm-1:20 pm

1 stop10h 05m

London Stansted

Wed 3/25

8:30 am-7:55 pm

2 stops15h 25m

$498

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 4/13

11:30 pm-7:25 pm

1 stop14h 55m

London Stansted

Tue 4/21

6:30 am-2:55 pm

1 stop13h 25m

$500

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 2/2

7:50 pm-9:20 pm

2 stops20h 30m

London Stansted

Fri 2/6

6:30 am-5:50 pm

2 stops16h 20m

$501

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 $394, 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.

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

11h 35m

Direct flights

None
The fastest flight from Boston to London Stansted Airport takes 11h 35m
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. 11h 35m 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 $380Free 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
Luton
Milton Keynes
Dover
Slough
Guildford
Wembley
Crawley
Dartford
Hayes
Brentwood
Watford
Cobham
Folkestone
Romford
Stansted
Harrow
Croydon
Richmond

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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