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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 12/7. 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 - 1:45 pm
BOS
-
LCY
11h 05m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$747Multiple Airlines
Sat, Sep 26 - Mon, Sep 28
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
$748Multiple Airlines
Sun, Sep 13 - Tue, Sep 15
Multiple Airlines Logo
10:00 pm - 5:55 pm
BOS
-
LCY
14h 55m
1 stop
Multiple Airlines Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$748Multiple Airlines
Mon, Sep 21 - Wed, Sep 23
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
$749Multiple Airlines
Sun, Sep 13 - Tue, Sep 15
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
$751Multiple Airlines
Mon, Oct 12 - Wed, Oct 14
Multiple Airlines Logo
5:10 pm - 12:35 pm
BOS
-
LCY
14h 25m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$752Multiple Airlines
Mon, Oct 12 - Wed, Oct 14
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
$754Multiple Airlines
Sun, Sep 13 - Tue, Sep 15
Multiple Airlines Logo
5:40 pm - 9:10 am
BOS
-
LCY
10h 30m
1 stop
Multiple Airlines Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$768Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:40 pm - 9:00 am
BOS
-
LCY
10h 20m
1 stop
Multiple Airlines Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$768Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Multiple Airlines Logo
5:40 pm - 9:10 am
BOS
-
LCY
10h 30m
1 stop
Multiple Airlines Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$768Multiple Airlines
Wed, Sep 9 - Wed, Sep 23

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ITA Airways flights from Boston to London City Airport

Our best ITA Airways deals on Boston to London City Airport flight tickets
ITA Airways
Nov 4
BOS5:20 pmBoston Logan Intl
14h 50m
2 stops
LCY1:10 pmLondon City
Nov 7
LCY12:20 pmLondon City
30h 25m
2 stops
BOS1:45 pmBoston Logan Intl
$824
ITA Airways
Nov 4
BOS5:20 pmBoston Logan Intl
14h 50m
2 stops
LCY1:10 pmLondon City
Nov 5
LCY4:30 pmLondon City
26h 15m
2 stops
BOS1:45 pmBoston Logan Intl
$825
ITA Airways
Nov 4
BOS5:20 pmBoston Logan Intl
14h 50m
2 stops
LCY1:10 pmLondon City
Dec 12
LCY12:20 pmLondon City
30h 25m
2 stops
BOS1:45 pmBoston Logan Intl
$827

SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
Sep 17
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Sep 21
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$773
SWISS
Sep 17
BOS5:10 pmBoston Logan Intl
10h 30m
1 stop
LCY8:40 amLondon City
Sep 22
LCY9:15 amLondon City
10h 55m
1 stop
BOS3:10 pmBoston Logan Intl
$774
SWISS
Sep 17
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Sep 21
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$777

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 August 2, 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

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sat 9/26

9:40 pm-1:45 pm

1 stop11h 05m

London City

Mon 9/28

9:15 am-3:40 pm

1 stop11h 25m

$747

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 9/13

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 9/15

9:15 am-3:40 pm

1 stop11h 25m

$748

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 9/21

10:00 pm-5:55 pm

1 stop14h 55m

London City

Wed 9/23

9:15 am-3:10 pm

1 stop10h 55m

$748

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 9/13

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 9/15

9:15 am-3:40 pm

1 stop11h 25m

$749

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 10/12

9:40 pm-12:35 pm

1 stop9h 55m

London City

Wed 10/14

9:15 am-3:40 pm

1 stop11h 25m

$751

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 10/12

5:10 pm-12:35 pm

1 stop14h 25m

London City

Wed 10/14

9:15 am-3:40 pm

1 stop11h 25m

$752

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 9/13

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 9/15

9:15 am-3:40 pm

1 stop11h 25m

$754

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 9/28

5:40 pm-9:10 am

1 stop10h 30m

London City

Mon 10/5

1:10 pm-7:55 pm

1 stop11h 45m

$768
Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 9/15

5:40 pm-9:00 am

1 stop10h 20m

London City

Tue 9/22

9:15 am-3:10 pm

1 stop10h 55m

$768

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 9/9

5:40 pm-9:10 am

1 stop10h 30m

London City

Wed 9/23

9:15 am-3:10 pm

1 stop10h 55m

$768

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?

British Airways and United Airlines 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 05m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 05m
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 05m 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
Croydon
Wembley
Stansted
Kingston upon Thames
Watford
Slough
Harrow
Cobham
Richmond
Uxbridge
Guildford
Worthing
Romford
Ilford

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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