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Cheap flights from Boston to London from $274

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 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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
$590Multiple Airlines
Sun, May 3 - Tue, May 5
Multiple Airlines Logo
9:40 pm - 6:40 pm
BOS
-
LCY
16h 00m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$592Multiple Airlines
Tue, Apr 7 - Thu, Apr 9
Multiple Airlines Logo
8:05 pm - 5:55 pm
BOS
-
LCY
16h 50m
2 stops
Multiple Airlines Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$604Multiple Airlines
Tue, Apr 7 - Thu, Apr 9
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
$608Multiple Airlines
Tue, Apr 14 - Thu, Apr 16
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$619SWISS
Wed, Apr 1 - Wed, Apr 8
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$623SWISS
Mon, Apr 20 - Thu, May 14
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
9:00 am - 3:10 pm
LCY
-
BOS
11h 10m
1 stop
$624SWISS
Wed, Apr 1 - Sat, Apr 4
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$627SWISS
Mon, Apr 20 - Wed, Apr 29
SWISS Logo
9:40 pm - 5:30 pm
BOS
-
LCY
14h 50m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$628SWISS
Thu, Apr 30 - Thu, May 7
SWISS Logo
9:40 pm - 5:30 pm
BOS
-
LCY
14h 50m
1 stop
SWISS Logo
8:00 am - 3:10 pm
LCY
-
BOS
12h 10m
1 stop
$630SWISS
Mon, May 4 - Mon, May 18

SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
Apr 1
BOS5:20 pmBoston Logan Intl
10h 20m
1 stop
LCY8:40 amLondon City
Apr 8
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$619
SWISS
Apr 1
BOS5:20 pmBoston Logan Intl
10h 20m
1 stop
LCY8:40 amLondon City
Apr 4
LCY9:00 amLondon City
11h 10m
1 stop
BOS3:10 pmBoston Logan Intl
$624
SWISS
Apr 20
BOS5:20 pmBoston Logan Intl
10h 20m
1 stop
LCY8:40 amLondon City
Apr 29
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$627

Lufthansa flights from Boston to London City Airport

Our best Lufthansa deals on Boston to London City Airport flight tickets
Lufthansa
Apr 6
BOS8:05 pmBoston Logan Intl
16h 50m
2 stops
LCY5:55 pmLondon City
Apr 8
LCY9:15 amLondon City
11h 25m
1 stop
BOS3:40 pmBoston Logan Intl
$651
Lufthansa
May 2
BOS5:45 pmBoston Logan Intl
19h 10m
1 stop
LCY5:55 pmLondon City
May 12
LCY9:15 amLondon City
11h 25m
1 stop
BOS3:40 pmBoston Logan Intl
$671
Lufthansa
Apr 9
BOS8:05 pmBoston Logan Intl
16h 50m
2 stops
LCY5:55 pmLondon City
Apr 14
LCY9:15 amLondon City
11h 25m
1 stop
BOS3:40 pmBoston Logan Intl
$681

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 March 11, 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

Sun 5/3

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 5/5

9:15 am-3:40 pm

1 stop11h 25m

$590

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 4/7

9:40 pm-6:40 pm

1 stop16h 00m

London City

Thu 4/9

9:15 am-3:40 pm

1 stop11h 25m

$592

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 4/7

8:05 pm-5:55 pm

2 stops16h 50m

London City

Thu 4/9

9:15 am-3:10 pm

1 stop10h 55m

$604

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 4/14

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 4/16

9:15 am-3:40 pm

1 stop11h 25m

$608

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 4/1

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 4/8

1:10 pm-7:55 pm

1 stop11h 45m

$619

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 4/20

5:20 pm-8:40 am

1 stop10h 20m

London City

Thu 5/14

1:10 pm-7:55 pm

1 stop11h 45m

$623

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 4/1

5:20 pm-8:40 am

1 stop10h 20m

London City

Sat 4/4

9:00 am-3:10 pm

1 stop11h 10m

$624

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 4/20

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 4/29

1:10 pm-7:55 pm

1 stop11h 45m

$627

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Thu 4/30

9:40 pm-5:30 pm

1 stop14h 50m

London City

Thu 5/7

1:10 pm-7:55 pm

1 stop11h 45m

$628

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 5/4

9:40 pm-5:30 pm

1 stop14h 50m

London City

Mon 5/18

8:00 am-3:10 pm

1 stop12h 10m

$630

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 and Lufthansa 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 35m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 35m
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

  • 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 35m 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 many operators does momondo search for flights from Boston Logan Intl Airport to London City Airport?

  • 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.

  • What is the most popular airline from Boston to London City Airport?

Best airlines flying from Boston to London City Airport

Compare and see reviews for airlines that fly from Boston to London City Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $673Free CancellationRating
7.9
8,278 reviews
Search Delta flights

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
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

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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