Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to London from $216

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 1/12. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 pm - 5:35 pmBOS-STN
13h 05m1 stop
Multiple Airlines Logo
8:30 am - 10:00 pmSTN-BOS
18h 30m1 stop
$510Multiple Airlines
Find Deal
Sat, May 2 - Sun, May 10
Multiple Airlines Logo
9:20 pm - 2:20 pmBOS-STN
12h 00m1 stop
Multiple Airlines Logo
8:30 am - 1:55 pmSTN-BOS
10h 25m1 stop
$511Multiple Airlines
Find Deal
Mon, Dec 8 - Sun, Dec 14
Multiple Airlines Logo
8:40 pm - 9:35 pmBOS-STN
19h 55m2 stops
Multiple Airlines Logo
7:00 pm - 8:55 pmSTN-BOS
30h 55m1 stop
$512Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
8:40 pm - 9:35 pmBOS-STN
19h 55m2 stops
Multiple Airlines Logo
7:00 pm - 8:55 pmSTN-BOS
30h 55m1 stop
$513Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
5:10 pm - 9:50 amBOS-STN
11h 40m1 stop
Multiple Airlines Logo
6:30 am - 1:55 pmSTN-BOS
12h 25m1 stop
$515Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
10:15 am - 11:20 pmBOS-STN
32h 05m3 stops
Multiple Airlines Logo
5:55 am - 6:35 pmSTN-BOS
17h 40m2 stops
$516Multiple Airlines
Find Deal
Tue, Jan 13 - Fri, Jan 30
Multiple Airlines Logo
3:40 pm - 4:15 pmBOS-STN
19h 35m2 stops
Multiple Airlines Logo
8:10 am - 9:32 amSTN-BOS
30h 22m2 stops
$517Multiple Airlines
Find Deal
Sun, Jan 11 - Tue, Jan 20
Multiple Airlines Logo
1:00 pm - 9:50 amBOS-STN
15h 50m2 stops
Multiple Airlines Logo
9:45 pm - 6:02 pmSTN-BOS
25h 17m2 stops
$518Multiple Airlines
Find Deal
Tue, Feb 17 - Sat, Feb 21
Multiple Airlines Logo
10:15 am - 11:20 pmBOS-STN
32h 05m3 stops
Multiple Airlines Logo
5:55 am - 6:35 pmSTN-BOS
17h 40m2 stops
$520Multiple Airlines
Find Deal
Tue, Jan 13 - Fri, Jan 23
Multiple Airlines Logo
10:40 pm - 8:55 pmBOS-STN
17h 15m1 stop
Multiple Airlines Logo
8:50 am - 8:55 pmSTN-BOS
17h 05m1 stop
$522Multiple Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 17

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 26, 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

Sat 5/2

11:30 pm-5:35 pm

1 stop13h 05m

London Stansted

Sun 5/10

8:30 am-10:00 pm

1 stop18h 30m

$510

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 12/8

9:20 pm-2:20 pm

1 stop12h 00m

London Stansted

Sun 12/14

8:30 am-1:55 pm

1 stop10h 25m

$511

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Fri 1/9

8:40 pm-9:35 pm

2 stops19h 55m

London Stansted

Fri 1/16

7:00 pm-8:55 pm

1 stop30h 55m

$512

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Fri 1/9

8:40 pm-9:35 pm

2 stops19h 55m

London Stansted

Fri 1/16

7:00 pm-8:55 pm

1 stop30h 55m

$513

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 12/7

5:10 pm-9:50 am

1 stop11h 40m

London Stansted

Sun 12/14

6:30 am-1:55 pm

1 stop12h 25m

$515

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 1/13

10:15 am-11:20 pm

3 stops32h 05m

London Stansted

Fri 1/30

5:55 am-6:35 pm

2 stops17h 40m

$516

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 1/11

3:40 pm-4:15 pm

2 stops19h 35m

London Stansted

Tue 1/20

8:10 am-9:32 am

2 stops30h 22m

$517

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 2/17

1:00 pm-9:50 am

2 stops15h 50m

London Stansted

Sat 2/21

9:45 pm-6:02 pm

2 stops25h 17m

$518

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 1/13

10:15 am-11:20 pm

3 stops32h 05m

London Stansted

Fri 1/23

5:55 am-6:35 pm

2 stops17h 40m

$520

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 1/11

10:40 pm-8:55 pm

1 stop17h 15m

London Stansted

Sat 1/17

8:50 am-8:55 pm

1 stop17h 05m

$522

Flights are sorted by cheapest round-trip 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 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

10h 15m

Direct flights

None
The fastest flight from Boston to London Stansted Airport takes 10h 15m
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 10m 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
Romford
Watford
Ilford
Cobham
Folkestone
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/26
Fri 1/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $368
Flights to London Gatwick Airportfrom $345
Flights to London City Airportfrom $452
Flights to London Luton Airportfrom $341
Flights to London Southend Airportfrom $387
Flights to Glasgow Intl Airportfrom $392
Flights to Belfast Intl Airportfrom $513
Flights to Belfast City Airportfrom $513