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Cheap flights from Boston to London from $267

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 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 pm - 5:35 pmBOS  Boston Logan Intl-LTN London Luton
18h 35m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
12:15 pm - 2:40 pmLTN  London Luton-BOS Boston Logan Intl
31h 25m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$619Multiple Airlines
Tue, Nov 3 - Tue, Nov 17
Multiple Airlines Logo
10:20 pm - 11:00 pmBOS  Boston Logan Intl-LTN London Luton
19h 40m2 stops Lisbon Humberto Delgado Barcelona-El Prat
Multiple Airlines Logo
4:30 pm - 8:20 pmLTN  London Luton-BOS Boston Logan Intl
32h 50m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$621Multiple Airlines
Thu, Oct 15 - Wed, Oct 21
Multiple Airlines Logo
7:50 pm - 5:20 pmBOS  Boston Logan Intl-LTN London Luton
16h 30m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:45 am - 5:50 pmLTN  London Luton-BOS Boston Logan Intl
14h 05m2 stops Dublin Reykjavik Keflavik Intl
$622Multiple Airlines
Wed, Nov 11 - Sun, Nov 15
Multiple Airlines Logo
3:35 pm - 10:55 amBOS  Boston Logan Intl-LTN London Luton
14h 20m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
5:40 am - 9:26 pmLTN  London Luton-BOS Boston Logan Intl
20h 46m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl
$624Multiple Airlines
Thu, Sep 24 - Wed, Sep 30
Multiple Airlines Logo
7:50 pm - 6:00 pmBOS  Boston Logan Intl-LTN London Luton
17h 10m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:45 am - 5:50 pmLTN  London Luton-BOS Boston Logan Intl
15h 05m2 stops Dublin Reykjavik Keflavik Intl
$625Multiple Airlines
Mon, Nov 30 - Tue, Dec 8
Multiple Airlines Logo
7:50 pm - 1:00 pmBOS  Boston Logan Intl-LTN London Luton
12h 10m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:50 pmLTN  London Luton-BOS Boston Logan Intl
16h 50m1 stop Reykjavik Keflavik Intl
$627Multiple Airlines
Thu, Nov 5 - Sun, Nov 8
Multiple Airlines Logo
7:50 pm - 5:20 pmBOS  Boston Logan Intl-LTN London Luton
16h 30m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:45 am - 5:50 pmLTN  London Luton-BOS Boston Logan Intl
15h 05m2 stops Dublin Reykjavik Keflavik Intl
$627Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
11:35 pm - 6:05 pmBOS  Boston Logan Intl-LTN London Luton
13h 30m1 stop Barcelona-El Prat
Multiple Airlines Logo
12:40 pm - 9:45 pmLTN  London Luton-BOS Boston Logan Intl
14h 05m1 stop Barcelona-El Prat
$627Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
7:50 pm - 3:05 pmBOS  Boston Logan Intl-LTN London Luton
14h 15m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:50 pmLTN  London Luton-BOS Boston Logan Intl
16h 50m1 stop Reykjavik Keflavik Intl
$628Multiple Airlines
Tue, Nov 17 - Sun, Nov 22
Multiple Airlines Logo
11:40 pm - 3:05 pmBOS  Boston Logan Intl-LTN London Luton
11h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:50 pmLTN  London Luton-BOS Boston Logan Intl
16h 50m1 stop Reykjavik Keflavik Intl
$629Multiple Airlines
Sun, Oct 25 - Thu, Nov 5

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Customize your flight search to find flights from Boston to London Luton 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 August 14, 2026.
Use the filters below to find and compare flights from Boston to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Tue 11/3

6:00 pm-5:35 pm

2 stops18h 35m

London Luton

Tue 11/17

12:15 pm-2:40 pm

2 stops31h 25m

$619

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Thu 10/15

10:20 pm-11:00 pm

2 stops19h 40m

London Luton

Wed 10/21

4:30 pm-8:20 pm

2 stops32h 50m

$621

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Wed 11/11

7:50 pm-5:20 pm

2 stops16h 30m

London Luton

Sun 11/15

8:45 am-5:50 pm

2 stops14h 05m

$622

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Thu 9/24

3:35 pm-10:55 am

2 stops14h 20m

London Luton

Wed 9/30

5:40 am-9:26 pm

2 stops20h 46m

$624

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Mon 11/30

7:50 pm-6:00 pm

2 stops17h 10m

London Luton

Tue 12/8

7:45 am-5:50 pm

2 stops15h 05m

$625

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Thu 11/5

7:50 pm-1:00 pm

1 stop12h 10m

London Luton

Sun 11/8

6:00 am-5:50 pm

1 stop16h 50m

$627

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Wed 12/2

7:50 pm-5:20 pm

2 stops16h 30m

London Luton

Wed 12/9

7:45 am-5:50 pm

2 stops15h 05m

$627
Quickest round-trip

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Sun 10/11

11:35 pm-6:05 pm

1 stop13h 30m

London Luton

Sun 10/18

12:40 pm-9:45 pm

1 stop14h 05m

$627

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Tue 11/17

7:50 pm-3:05 pm

1 stop14h 15m

London Luton

Sun 11/22

6:00 am-5:50 pm

1 stop16h 50m

$628

BostonLondon

BOS Boston Logan Intl - LTN London Luton

BOSLTN

Boston Logan Intl

Sun 10/25

11:40 pm-3:05 pm

1 stop11h 25m

London Luton

Thu 11/5

6:00 am-5:50 pm

1 stop16h 50m

$629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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When to book flights from Boston to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to London Luton Airport (BOS to LTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to London Luton Airport

Fastest flight time

11h 05m

Direct flights

None
The fastest flight from Boston to London Luton Airport takes 11h 05m
There are no direct flights from Boston to London Luton Airport. There are no popular flight routes from Boston to London Luton Airport.
Search flight deals

Frequently asked questions about flying from Boston to London Luton Airport

  • How far is Boston Logan Intl to London Luton by plane?

    A flight from Boston Logan Intl to London Luton will travel around 3251.1 mi. In terms of flight time, this usually takes a little over 11h 05m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to London Luton Airport?

    Prices for flights from Boston Logan Intl Airport to London Luton Airport were last updated today.

  • How old do you have to be to fly from Boston Logan Intl Airport to London Luton 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 Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents you'll need for your trip to London Luton 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 Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Boston to London Luton Airport

  • How do I get Price Alerts for flights from Boston to London Luton Airport?

    Confirm your travel details to search for the latest offers for flights from Boston to London Luton Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Boston to London Luton Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

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?

All flight searches from Boston to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to London?

momondo helps you find the best flight between Boston and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Luton Airport trip

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