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Cheap flights from Boston to London from $254

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 2/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:45 am - 4:35 pmBOS-STN
24h 50m2 stops
Multiple Airlines Logo
9:45 pm - 3:57 pmSTN-BOS
23h 12m2 stops
$507Multiple Airlines
Find Deal
Thu, Feb 12 - Sun, Feb 22
Multiple Airlines Logo
7:50 pm - 8:55 pmBOS-STN
20h 05m2 stops
Multiple Airlines Logo
9:00 pm - 5:50 pmSTN-BOS
25h 50m2 stops
$508Multiple Airlines
Find Deal
Wed, Jan 28 - Sat, Jan 31
Multiple Airlines Logo
10:45 am - 9:50 amBOS-STN
18h 05m2 stops
Multiple Airlines Logo
9:45 pm - 3:57 pmSTN-BOS
23h 12m2 stops
$509Multiple Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Multiple Airlines Logo
9:20 pm - 8:35 pmBOS-STN
18h 15m1 stop
Multiple Airlines Logo
6:30 am - 1:55 pmSTN-BOS
12h 25m1 stop
$510Multiple Airlines
Find Deal
Tue, Dec 30 - Fri, Jan 9
Multiple Airlines Logo
9:20 pm - 11:05 amBOS-STN
8h 45m1 stop
Multiple Airlines Logo
8:30 am - 1:50 pmSTN-BOS
10h 20m1 stop
$511Multiple Airlines
Find Deal
Sun, Dec 14 - Thu, Dec 18
Multiple Airlines Logo
6:15 am - 8:05 pmBOS-STN
32h 50m3 stops
Multiple Airlines Logo
7:05 am - 1:25 pmSTN-BOS
35h 20m2 stops
$513Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Multiple Airlines Logo
5:10 pm - 9:50 amBOS-STN
11h 40m1 stop
Multiple Airlines Logo
8:30 am - 1:55 pmSTN-BOS
10h 25m1 stop
$515Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Multiple Airlines Logo
3:40 pm - 5:05 pmBOS-STN
20h 25m3 stops
Multiple Airlines Logo
5:55 am - 8:20 pmSTN-BOS
19h 25m2 stops
$516Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
7:50 pm - 8:55 pmBOS-STN
20h 05m2 stops
Multiple Airlines Logo
9:20 pm - 5:50 pmSTN-BOS
25h 30m2 stops
$517Multiple Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
Multiple Airlines Logo
4:20 pm - 1:20 pmBOS-STN
16h 00m2 stops
Multiple Airlines Logo
6:15 pm - 1:25 pmSTN-BOS
24h 10m2 stops
$518Multiple Airlines
Find Deal
Sun, Dec 7 - Thu, Dec 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 November 19, 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

Thu 2/12

10:45 am-4:35 pm

2 stops24h 50m

London Stansted

Sun 2/22

9:45 pm-3:57 pm

2 stops23h 12m

$507

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 1/28

7:50 pm-8:55 pm

2 stops20h 05m

London Stansted

Sat 1/31

9:00 pm-5:50 pm

2 stops25h 50m

$508

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sat 11/29

10:45 am-9:50 am

2 stops18h 05m

London Stansted

Sat 12/6

9:45 pm-3:57 pm

2 stops23h 12m

$509

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 12/30

9:20 pm-8:35 pm

1 stop18h 15m

London Stansted

Fri 1/9

6:30 am-1:55 pm

1 stop12h 25m

$510

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 12/14

9:20 pm-11:05 am

1 stop8h 45m

London Stansted

Thu 12/18

8:30 am-1:50 pm

1 stop10h 20m

$511

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 12/4

6:15 am-8:05 pm

3 stops32h 50m

London Stansted

Sun 12/7

7:05 am-1:25 pm

2 stops35h 20m

$513

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 12/1

5:10 pm-9:50 am

1 stop11h 40m

London Stansted

Fri 12/5

8:30 am-1:55 pm

1 stop10h 25m

$515

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 12/3

3:40 pm-5:05 pm

3 stops20h 25m

London Stansted

Wed 12/10

5:55 am-8:20 pm

2 stops19h 25m

$516

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 1/25

7:50 pm-8:55 pm

2 stops20h 05m

London Stansted

Thu 1/29

9:20 pm-5:50 pm

2 stops25h 30m

$517

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 12/7

4:20 pm-1:20 pm

2 stops16h 00m

London Stansted

Thu 12/11

6:15 pm-1:25 pm

2 stops24h 10m

$518

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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.
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  • 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. 8h 45m 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Wembley
Folkestone
Romford
Ilford
Cobham
Stansted
Harrow
Watford

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.

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