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Cheap flights from Boston to London from $294

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 7/6. 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

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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
11:00 pm - 6:05 pm
BOS
-
LTN
14h 05m
1 stop
Multiple Airlines Logo
12:50 pm - 9:15 pm
LTN
-
BOS
13h 25m
1 stop
$680Multiple Airlines
Wed, Sep 16 - Thu, Sep 24
Multiple Airlines Logo
8:50 pm - 9:15 pm
BOS
-
LTN
19h 25m
2 stops
Multiple Airlines Logo
9:40 am - 9:45 pm
LTN
-
BOS
17h 05m
2 stops
$694Multiple Airlines
Wed, Jul 22 - Tue, Jul 28
Multiple Airlines Logo
2:45 pm - 3:45 pm
BOS
-
LTN
20h 00m
3 stops
Multiple Airlines Logo
6:15 am - 4:03 pm
LTN
-
BOS
14h 48m
2 stops
$697Multiple Airlines
Mon, Jul 13 - Wed, Jul 22
Multiple Airlines Logo
8:50 pm - 11:25 pm
BOS
-
LTN
21h 35m
2 stops
Multiple Airlines Logo
9:40 am - 9:45 pm
LTN
-
BOS
17h 05m
2 stops
$698Multiple Airlines
Thu, Jul 23 - Tue, Jul 28
Multiple Airlines Logo
8:50 pm - 10:10 pm
BOS
-
LTN
20h 20m
2 stops
Multiple Airlines Logo
9:40 am - 9:45 pm
LTN
-
BOS
17h 05m
2 stops
$699Multiple Airlines
Tue, Jul 21 - Tue, Jul 28
Multiple Airlines Logo
8:50 pm - 3:30 pm
BOS
-
LTN
13h 40m
2 stops
Multiple Airlines Logo
6:15 am - 9:45 pm
LTN
-
BOS
20h 30m
2 stops
$703Multiple Airlines
Tue, Jul 21 - Wed, Jul 29
Multiple Airlines Logo
4:55 pm - 3:30 pm
BOS
-
LTN
17h 35m
2 stops
Multiple Airlines Logo
6:15 am - 4:03 pm
LTN
-
BOS
14h 48m
2 stops
$705Multiple Airlines
Tue, Jul 14 - Wed, Jul 22
Multiple Airlines Logo
5:25 pm - 12:45 pm
BOS
-
LTN
14h 20m
1 stop
Multiple Airlines Logo
6:20 am - 6:50 pm
LTN
-
BOS
17h 30m
1 stop
$707Multiple Airlines
Mon, May 25 - Fri, May 29
Multiple Airlines Logo
3:35 pm - 12:35 pm
BOS
-
LTN
16h 00m
2 stops
Multiple Airlines Logo
8:25 pm - 9:27 pm
LTN
-
BOS
30h 02m
3 stops
$708Multiple Airlines
Wed, Sep 2 - Fri, Sep 11
Multiple Airlines Logo
8:50 pm - 9:30 pm
BOS
-
LTN
19h 40m
3 stops
Multiple Airlines Logo
9:40 pm - 8:55 pm
LTN
-
BOS
28h 15m
3 stops
$709Multiple Airlines
Wed, May 27 - Thu, Jun 18

momondo Fare Finder

 
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 May 10, 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
Quickest round-trip

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 9/16

11:00 pm-6:05 pm

1 stop14h 05m

London Luton

Thu 9/24

12:50 pm-9:15 pm

1 stop13h 25m

$680

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 7/22

8:50 pm-9:15 pm

2 stops19h 25m

London Luton

Tue 7/28

9:40 am-9:45 pm

2 stops17h 05m

$694

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 7/13

2:45 pm-3:45 pm

3 stops20h 00m

London Luton

Wed 7/22

6:15 am-4:03 pm

2 stops14h 48m

$697

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 7/23

8:50 pm-11:25 pm

2 stops21h 35m

London Luton

Tue 7/28

9:40 am-9:45 pm

2 stops17h 05m

$698

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 7/21

8:50 pm-10:10 pm

2 stops20h 20m

London Luton

Tue 7/28

9:40 am-9:45 pm

2 stops17h 05m

$699

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 7/21

8:50 pm-3:30 pm

2 stops13h 40m

London Luton

Wed 7/29

6:15 am-9:45 pm

2 stops20h 30m

$703

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 7/14

4:55 pm-3:30 pm

2 stops17h 35m

London Luton

Wed 7/22

6:15 am-4:03 pm

2 stops14h 48m

$705

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 5/25

5:25 pm-12:45 pm

1 stop14h 20m

London Luton

Fri 5/29

6:20 am-6:50 pm

1 stop17h 30m

$707

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 9/2

3:35 pm-12:35 pm

2 stops16h 00m

London Luton

Fri 9/11

8:25 pm-9:27 pm

3 stops30h 02m

$708

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 5/27

8:50 pm-9:30 pm

3 stops19h 40m

London Luton

Thu 6/18

9:40 pm-8:55 pm

3 stops28h 15m

$709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

10h 00m

Direct flights

None
The fastest flight from Boston to London Luton Airport takes 10h 00m
There are no direct flights from Boston to London Luton Airport. There are no popular flight routes from Boston to London Luton Airport.
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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 10h 00m.

  • 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
Dover
Luton
Hayes
Crawley
Wembley
Slough
Stansted
Watford
Croydon
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Uxbridge
Guildford

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

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.
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