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Cheap flights from Boston to London from $299

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 9/9. 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
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$709Multiple Airlines
Tue, Aug 18 - Thu, Aug 20
Multiple Airlines Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$716Multiple Airlines
Tue, Sep 8 - Thu, Sep 10
Multiple Airlines Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$717Multiple Airlines
Wed, Aug 19 - Fri, Aug 21
Multiple Airlines Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$734Multiple Airlines
Mon, Aug 17 - Wed, Aug 19
Multiple Airlines Logo
10:00 pm - 5:55 pm
BOS
-
LCY
14h 55m
1 stop
Multiple Airlines Logo
9:00 am - 7:55 pm
LCY
-
BOS
15h 55m
1 stop
$735Multiple Airlines
Thu, Sep 3 - Sat, Sep 5
Multiple Airlines Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$755Multiple Airlines
Tue, Aug 18 - Thu, Aug 20
Multiple Airlines Logo
5:40 pm - 9:00 am
BOS
-
LCY
10h 20m
1 stop
Multiple Airlines Logo
9:35 am - 4:10 pm
LCY
-
BOS
11h 35m
1 stop
$756Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
5:40 pm - 9:00 am
BOS
-
LCY
10h 20m
1 stop
Multiple Airlines Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$763Multiple Airlines
Tue, Sep 15 - Mon, Sep 28
Multiple Airlines Logo
5:40 pm - 9:00 am
BOS
-
LCY
10h 20m
1 stop
Multiple Airlines Logo
1:30 pm - 8:20 pm
LCY
-
BOS
11h 50m
1 stop
$765Multiple Airlines
Tue, Sep 15 - Tue, Nov 17
Multiple Airlines Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$766Multiple Airlines
Mon, Sep 21 - Wed, Sep 23

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SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
Sep 24
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Oct 5
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$770
SWISS
Oct 20
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Oct 29
LCY1:30 pmLondon City
11h 50m
1 stop
BOS9:20 pmBoston Logan Intl
$776
SWISS
Aug 20
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Sep 8
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$779

Virgin Atlantic flights from Boston to London City Airport

Our best Virgin Atlantic deals on Boston to London City Airport flight tickets
Virgin Atlantic
Aug 17
BOS8:25 pmBoston Logan Intl
17h 05m
1 stop
LCY6:30 pmLondon City
Aug 19
LCY9:20 amLondon City
17h 10m
2 stops
BOS9:30 pmBoston Logan Intl
$778
Virgin Atlantic
Sep 8
BOS4:40 pmBoston Logan Intl
19h 40m
1 stop
LCY5:20 pmLondon City
Sep 10
LCY10:00 amLondon City
18h 10m
2 stops
BOS11:10 pmBoston Logan Intl
$784
Virgin Atlantic
Aug 10
BOS8:25 pmBoston Logan Intl
17h 05m
1 stop
LCY6:30 pmLondon City
Aug 12
LCY7:45 amLondon City
16h 30m
2 stops
BOS7:15 pmBoston Logan Intl
$808

momondo Fare Finder

 
Customize your flight search to find flights from Boston to London City 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 July 22, 2026.
Use the filters below to find and compare flights from Boston to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 8/18

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 8/20

9:15 am-3:40 pm

1 stop11h 25m

$709

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 9/8

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 9/10

9:15 am-3:40 pm

1 stop11h 25m

$716

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/19

9:40 pm-12:35 pm

1 stop9h 55m

London City

Fri 8/21

9:15 am-3:40 pm

1 stop11h 25m

$717

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/17

9:40 pm-12:35 pm

1 stop9h 55m

London City

Wed 8/19

9:15 am-3:40 pm

1 stop11h 25m

$734

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Thu 9/3

10:00 pm-5:55 pm

1 stop14h 55m

London City

Sat 9/5

9:00 am-7:55 pm

1 stop15h 55m

$735

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 8/18

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 8/20

9:15 am-3:40 pm

1 stop11h 25m

$755

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 9/15

5:40 pm-9:00 am

1 stop10h 20m

London City

Tue 9/22

9:35 am-4:10 pm

1 stop11h 35m

$756

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 9/15

5:40 pm-9:00 am

1 stop10h 20m

London City

Mon 9/28

1:10 pm-7:55 pm

1 stop11h 45m

$763

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 9/15

5:40 pm-9:00 am

1 stop10h 20m

London City

Tue 11/17

1:30 pm-8:20 pm

1 stop11h 50m

$765

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 9/21

9:40 pm-12:35 pm

1 stop9h 55m

London City

Wed 9/23

9:15 am-3:40 pm

1 stop11h 25m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Boston to London City 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 airline that flies from Boston Logan Intl to London City?

United Airlines, KLM, and Virgin Atlantic are the most popular carriers operating from Boston Logan Intl to London City

When to book flights from Boston to London City Airport

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

Cheap Boston to London City Airport (BOS to LCY) flight deals and tips

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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 15m
There are no direct flights from Boston to London City Airport. There are no popular flight routes from Boston to London City Airport.
Search flight deals

Frequently asked questions about flying from Boston to London City Airport

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

    The straight-line distance from Boston Logan Intl to London City is 3276.0 mi. Typically, this will take 9h 15m by plane in normal conditions.

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

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

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

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

    The required travel and health documents for your London City Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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
Dover
Crawley
Wembley
Croydon
Stansted
Kingston upon Thames
Watford
Slough
Harrow
Brentwood
Cobham
Romford
Uxbridge
Guildford
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Boston to London?

It is quick and easy to find Boston to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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?

momondo provides multiple filters to help you find the best flight to London from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Boston and alert you when they change.

An easier way to manage your London City 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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