Cheap flights from Boston to London from $228

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 3/2. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 11:05 pm
BOS
-
LTN
21h 25m
2 stops
Multiple Airlines Logo
7:05 pm - 6:02 pm
LTN
-
BOS
26h 57m
3 stops
$491Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
5:10 pm - 8:35 am
BOS
-
LTN
10h 25m
1 stop
Multiple Airlines Logo
6:50 am - 1:55 pm
LTN
-
BOS
12h 05m
1 stop
$493Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
5:10 pm - 7:20 am
BOS
-
LTN
10h 10m
1 stop
Multiple Airlines Logo
11:00 am - 6:50 pm
LTN
-
BOS
12h 50m
1 stop
$494Multiple Airlines
Sat, Mar 28 - Sun, Apr 5
Multiple Airlines Logo
5:10 pm - 7:35 am
BOS
-
LTN
9h 25m
1 stop
Multiple Airlines Logo
6:00 am - 1:55 pm
LTN
-
BOS
12h 55m
1 stop
$495Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
5:10 pm - 8:55 am
BOS
-
LTN
10h 45m
1 stop
Multiple Airlines Logo
2:10 pm - 6:59 pm
LTN
-
BOS
9h 49m
1 stop
$496Multiple Airlines
Sun, Feb 8 - Thu, Feb 12
Multiple Airlines Logo
9:15 pm - 11:45 am
BOS
-
LTN
9h 30m
1 stop
Multiple Airlines Logo
6:00 am - 1:55 pm
LTN
-
BOS
12h 55m
1 stop
$497Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
6:10 pm - 8:35 am
BOS
-
LTN
10h 25m
1 stop
Multiple Airlines Logo
9:00 am - 7:55 pm
LTN
-
BOS
14h 55m
1 stop
$498Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Multiple Airlines Logo
5:20 pm - 9:00 am
BOS
-
LTN
10h 40m
1 stop
Multiple Airlines Logo
8:15 am - 2:55 pm
LTN
-
BOS
11h 40m
1 stop
$499Multiple Airlines
Wed, Apr 8 - Mon, Apr 20
Multiple Airlines Logo
6:10 pm - 9:45 am
BOS
-
LTN
11h 35m
1 stop
Multiple Airlines Logo
2:10 pm - 7:55 pm
LTN
-
BOS
9h 45m
1 stop
$500Multiple Airlines
Tue, Mar 10 - Thu, Mar 19
Multiple Airlines Logo
5:10 pm - 7:35 am
BOS
-
LTN
9h 25m
1 stop
Multiple Airlines Logo
9:00 am - 7:55 pm
LTN
-
BOS
14h 55m
1 stop
$501Multiple Airlines
Sat, Feb 28 - Tue, Mar 10

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 February 4, 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

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 3/4

8:40 pm-11:05 pm

2 stops21h 25m

London Luton

Mon 3/9

7:05 pm-6:02 pm

3 stops26h 57m

$491

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 2/25

5:10 pm-8:35 am

1 stop10h 25m

London Luton

Wed 3/4

6:50 am-1:55 pm

1 stop12h 05m

$493

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 3/28

5:10 pm-7:20 am

1 stop10h 10m

London Luton

Sun 4/5

11:00 am-6:50 pm

1 stop12h 50m

$494

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 2/28

5:10 pm-7:35 am

1 stop9h 25m

London Luton

Sat 3/7

6:00 am-1:55 pm

1 stop12h 55m

$495

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 2/8

5:10 pm-8:55 am

1 stop10h 45m

London Luton

Thu 2/12

2:10 pm-6:59 pm

1 stop9h 49m

$496

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 3/1

9:15 pm-11:45 am

1 stop9h 30m

London Luton

Sat 3/7

6:00 am-1:55 pm

1 stop12h 55m

$497

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 3/9

6:10 pm-8:35 am

1 stop10h 25m

London Luton

Thu 3/12

9:00 am-7:55 pm

1 stop14h 55m

$498

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 4/8

5:20 pm-9:00 am

1 stop10h 40m

London Luton

Mon 4/20

8:15 am-2:55 pm

1 stop11h 40m

$499

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 3/10

6:10 pm-9:45 am

1 stop11h 35m

London Luton

Thu 3/19

2:10 pm-7:55 pm

1 stop9h 45m

$500

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 2/28

5:10 pm-7:35 am

1 stop9h 25m

London Luton

Tue 3/10

9:00 am-7:55 pm

1 stop14h 55m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

10h 45m

Direct flights

None
The fastest flight from Boston to London Luton Airport takes 10h 45m
There are no direct flights from Boston to London Luton Airport. There are no popular flight routes 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 45m.

  • 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.

  • 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
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

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.

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1 adult
Fri 3/6
Fri 3/13

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