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Cheap flights from Boston to London from $236

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 3/18. 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.
SWISS Logo
10:10 pm - 12:55 pm
BOS
-
LCY
9h 45m1 stop
SWISS Logo
9:15 am - 8:20 pm
LCY
-
BOS
16h 05m1 stop
$504SWISS
Sun, Jan 18 - Tue, Jan 27
SWISS Logo
9:50 pm - 12:55 pm
BOS
-
LCY
10h 05m1 stop
SWISS Logo
5:40 pm - 8:00 pm
LCY
-
BOS
31h 20m1 stop
$513SWISS
Wed, Jan 21 - Sun, Jan 25
Lufthansa Logo
4:15 pm - 5:35 pm
BOS
-
LCY
20h 20m1 stop
Lufthansa Logo
9:40 am - 7:08 pm
LCY
-
BOS
38h 28m2 stops
$515Lufthansa
Tue, Feb 17 - Thu, Feb 19
SWISS Logo
9:50 pm - 12:55 pm
BOS
-
LCY
10h 05m1 stop
SWISS Logo
1:30 pm - 8:20 pm
LCY
-
BOS
11h 50m1 stop
$527SWISS
Wed, Jan 28 - Tue, Feb 24
SWISS Logo
9:50 pm - 5:05 pm
BOS
-
LCY
14h 15m1 stop
SWISS Logo
9:15 am - 8:00 pm
LCY
-
BOS
15h 45m1 stop
$529SWISS
Tue, Jan 20 - Mon, Jan 26
SWISS Logo
9:50 pm - 5:05 pm
BOS
-
LCY
14h 15m1 stop
SWISS Logo
9:15 am - 8:20 pm
LCY
-
BOS
16h 05m1 stop
$531SWISS
Tue, Jan 20 - Tue, Jan 27
SWISS Logo
9:50 pm - 5:05 pm
BOS
-
LCY
14h 15m1 stop
SWISS Logo
9:15 am - 8:20 pm
LCY
-
BOS
16h 05m1 stop
$532SWISS
Tue, Jan 20 - Tue, Jan 27
Virgin Atlantic Logo
8:50 pm - 4:35 pm
BOS
-
LCY
14h 45m1 stop
Virgin Atlantic Logo
8:40 am - 10:22 pm
LCY
-
BOS
18h 42m2 stops
$533Virgin Atlantic
Sun, Jan 25 - Tue, Jan 27
SWISS Logo
10:10 pm - 5:05 pm
BOS
-
LCY
13h 55m1 stop
SWISS Logo
5:40 pm - 8:20 pm
LCY
-
BOS
31h 40m1 stop
$534SWISS
Mon, Jan 12 - Tue, Jan 20
SWISS Logo
10:10 pm - 5:05 pm
BOS
-
LCY
13h 55m1 stop
SWISS Logo
5:40 pm - 8:20 pm
LCY
-
BOS
31h 40m1 stop
$535SWISS
Mon, Jan 12 - Tue, Jan 20

Iberia flights from Boston to London City Airport

Our best Iberia deals on Boston to London City Airport flight tickets
Iberia
Feb 20
BOS11:55 amBoston Logan Intl
15h 55m
2 stops
LCY8:50 amLondon City
Feb 25
LCY7:50 amLondon City
12h 25m
1 stop
BOS3:15 pmBoston Logan Intl
$540
Find similar
Iberia
Jan 30
BOS4:45 pmBoston Logan Intl
11h 05m
1 stop
LCY8:50 amLondon City
Feb 6
LCY7:50 amLondon City
12h 25m
1 stop
BOS3:15 pmBoston Logan Intl
$565
Find similar
Iberia
Mar 8
BOS3:49 pmBoston Logan Intl
18h 46m
2 stops
LCY2:35 pmLondon City
Mar 13
LCY7:50 amLondon City
12h 25m
1 stop
BOS4:15 pmBoston Logan Intl
$570
Find similar

KLM flights from Boston to London City Airport

Our best KLM deals on Boston to London City Airport flight tickets
KLM
Jan 8
BOS7:10 pmBoston Logan Intl
9h 20m
1 stop
LCY9:30 amLondon City
Jan 15
LCY7:45 amLondon City
10h 45m
1 stop
BOS1:30 pmBoston Logan Intl
$576
Find similar
KLM
Apr 3
BOS8:25 pmBoston Logan Intl
10h 15m
1 stop
LCY11:40 amLondon City
Apr 16
LCY8:25 amLondon City
9h 48m
1 stop
BOS1:13 pmBoston Logan Intl
$590
Find similar
KLM
Jan 8
BOS7:10 pmBoston Logan Intl
9h 20m
1 stop
LCY9:30 amLondon City
Jan 14
LCY7:45 amLondon City
10h 45m
1 stop
BOS1:30 pmBoston Logan Intl
$651
Find similar

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 January 3, 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

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 1/18

10:10 pm-12:55 pm

1 stop9h 45m

London City

Tue 1/27

9:15 am-8:20 pm

1 stop16h 05m

$504

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 1/21

9:50 pm-12:55 pm

1 stop10h 05m

London City

Sun 1/25

5:40 pm-8:00 pm

1 stop31h 20m

$513

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 2/17

4:15 pm-5:35 pm

1 stop20h 20m

London City

Thu 2/19

9:40 am-7:08 pm

2 stops38h 28m

$515

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 1/28

9:50 pm-12:55 pm

1 stop10h 05m

London City

Tue 2/24

1:30 pm-8:20 pm

1 stop11h 50m

$527

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 1/20

9:50 pm-5:05 pm

1 stop14h 15m

London City

Mon 1/26

9:15 am-8:00 pm

1 stop15h 45m

$529

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 1/20

9:50 pm-5:05 pm

1 stop14h 15m

London City

Tue 1/27

9:15 am-8:20 pm

1 stop16h 05m

$531

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 1/20

9:50 pm-5:05 pm

1 stop14h 15m

London City

Tue 1/27

9:15 am-8:20 pm

1 stop16h 05m

$532

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 1/25

8:50 pm-4:35 pm

1 stop14h 45m

London City

Tue 1/27

8:40 am-10:22 pm

2 stops18h 42m

$533

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 1/12

10:10 pm-5:05 pm

1 stop13h 55m

London City

Tue 1/20

5:40 pm-8:20 pm

1 stop31h 40m

$534

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 1/12

10:10 pm-5:05 pm

1 stop13h 55m

London City

Tue 1/20

5:40 pm-8:20 pm

1 stop31h 40m

$535

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, Iberia, and ITA Airways 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 00m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 00m
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 00m 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
8,024 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge
Chelmsford
Stansted

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

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