Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to London from $246

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 1/21. 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
10:15 am - 9:50 amBOS-STN
18h 35m3 stops
Multiple Airlines Logo
9:45 pm - 2:52 pmSTN-BOS
22h 07m3 stops
$482Multiple Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1
Multiple Airlines Logo
10:15 am - 7:35 pmBOS-STN
28h 20m3 stops
Multiple Airlines Logo
6:45 pm - 2:52 pmSTN-BOS
25h 07m3 stops
$483Multiple Airlines
Find Deal
Wed, Nov 19 - Mon, Nov 24
Multiple Airlines Logo
7:50 pm - 5:35 pmBOS-STN
16h 45m2 stops
Multiple Airlines Logo
5:55 am - 5:50 pmSTN-BOS
16h 55m2 stops
$484Multiple Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Multiple Airlines Logo
6:05 pm - 4:00 pmBOS-STN
16h 55m2 stops
Multiple Airlines Logo
7:40 am - 2:35 pmSTN-BOS
35h 55m2 stops
$486Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
7:50 pm - 5:50 pmBOS-STN
17h 00m2 stops
Multiple Airlines Logo
6:30 am - 5:50 pmSTN-BOS
16h 20m2 stops
$487Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
6:05 pm - 4:00 pmBOS-STN
16h 55m2 stops
Multiple Airlines Logo
7:40 am - 2:35 pmSTN-BOS
35h 55m2 stops
$488Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
10:15 am - 6:20 pmBOS-STN
27h 05m3 stops
Multiple Airlines Logo
9:30 pm - 6:02 pmSTN-BOS
25h 32m2 stops
$489Multiple Airlines
Find Deal
Tue, Nov 18 - Thu, Nov 20
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
$490Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Multiple Airlines Logo
10:45 am - 11:35 amBOS-STN
19h 50m2 stops
Multiple Airlines Logo
6:30 am - 8:00 pmSTN-BOS
18h 30m2 stops
$491Multiple Airlines
Find Deal
Thu, Jan 8 - Fri, Jan 23
Multiple Airlines Logo
9:50 pm - 10:20 pmBOS-STN
19h 30m2 stops
Multiple Airlines Logo
11:50 am - 6:35 pmSTN-BOS
35h 45m2 stops
$492Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10

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 October 20, 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

Tue 11/25

10:15 am-9:50 am

3 stops18h 35m

London Stansted

Mon 12/1

9:45 pm-2:52 pm

3 stops22h 07m

$482

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 11/19

10:15 am-7:35 pm

3 stops28h 20m

London Stansted

Mon 11/24

6:45 pm-2:52 pm

3 stops25h 07m

$483

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 11/16

7:50 pm-5:35 pm

2 stops16h 45m

London Stansted

Sun 11/23

5:55 am-5:50 pm

2 stops16h 55m

$484

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 12/3

6:05 pm-4:00 pm

2 stops16h 55m

London Stansted

Wed 12/10

7:40 am-2:35 pm

2 stops35h 55m

$486

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 1/14

7:50 pm-5:50 pm

2 stops17h 00m

London Stansted

Wed 1/21

6:30 am-5:50 pm

2 stops16h 20m

$487

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 12/3

6:05 pm-4:00 pm

2 stops16h 55m

London Stansted

Wed 12/10

7:40 am-2:35 pm

2 stops35h 55m

$488

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 11/18

10:15 am-6:20 pm

3 stops27h 05m

London Stansted

Thu 11/20

9:30 pm-6:02 pm

2 stops25h 32m

$489

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 11/12

5:10 pm-9:50 am

1 stop11h 40m

London Stansted

Wed 11/19

6:30 am-1:55 pm

1 stop12h 25m

$490

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 1/8

10:45 am-11:35 am

2 stops19h 50m

London Stansted

Fri 1/23

6:30 am-8:00 pm

2 stops18h 30m

$491

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 12/3

9:50 pm-10:20 pm

2 stops19h 30m

London Stansted

Wed 12/10

11:50 am-6:35 pm

2 stops35h 45m

$492

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

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?

    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
Luton
Dover
Slough
Guildford
Dartford
Crawley
Hayes
Brentwood
Chelmsford
Colchester
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
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.

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
Wed 11/19
Wed 11/26
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 $347
Flights to London Gatwick Airportfrom $326
Flights to London City Airportfrom $451
Flights to London Luton Airportfrom $382
Flights to Glasgow Intl Airportfrom $397
Flights to Belfast Intl Airportfrom $459
Flights to London Southend Airportfrom $453
Flights to Belfast City Airportfrom $551