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Cheap flights from Boston to London from $305

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 5/27. 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.
SWISS Logo
9:40 pm - 5:25 pm
BOS
-
LCY
14h 45m
1 stop
SWISS Logo
9:00 am - 7:55 pm
LCY
-
BOS
15h 55m
1 stop
$674SWISS
Wed, May 27 - Wed, Jun 3
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
$724Multiple Airlines
Sun, Aug 23 - Tue, Aug 25
SWISS Logo
9:40 pm - 5:25 pm
BOS
-
LCY
14h 45m
1 stop
SWISS Logo
9:00 am - 7:55 pm
LCY
-
BOS
15h 55m
1 stop
$731SWISS
Wed, Aug 19 - Sat, Sep 5
SWISS Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$740SWISS
Mon, May 11 - Thu, May 14
SWISS Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$741SWISS
Tue, Oct 6 - Tue, Oct 13
SWISS Logo
9:40 pm - 5:25 pm
BOS
-
LCY
14h 45m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$745SWISS
Sun, May 10 - Thu, May 14
SWISS Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
SWISS Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$747SWISS
Tue, Aug 25 - Thu, Sep 3
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
7:15 pm - 3:10 pm
LCY
-
BOS
24h 55m
1 stop
$748SWISS
Wed, Aug 26 - Mon, Sep 7
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$750SWISS
Wed, Aug 26 - Wed, Sep 16
SWISS Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
SWISS Logo
9:15 am - 3:10 pm
LCY
-
BOS
10h 55m
1 stop
$751SWISS
Tue, Aug 18 - Wed, Aug 26

SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
May 27
BOS9:40 pmBoston Logan Intl
14h 45m
1 stop
LCY5:25 pmLondon City
Jun 3
LCY9:00 amLondon City
15h 55m
1 stop
BOS7:55 pmBoston Logan Intl
$674
SWISS
Aug 19
BOS9:40 pmBoston Logan Intl
14h 45m
1 stop
LCY5:25 pmLondon City
Sep 5
LCY9:00 amLondon City
15h 55m
1 stop
BOS7:55 pmBoston Logan Intl
$731
SWISS
May 11
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
May 14
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$740

KLM flights from Boston to London City Airport

Our best KLM deals on Boston to London City Airport flight tickets
KLM
Apr 30
BOS4:35 pmBoston Logan Intl
10h 20m
1 stop
LCY7:55 amLondon City
May 3
LCY1:45 pmLondon City
9h 45m
1 stop
BOS6:30 pmBoston Logan Intl
$804
KLM
Aug 27
BOS4:45 pmBoston Logan Intl
9h 30m
1 stop
LCY7:15 amLondon City
Sep 5
LCY8:25 amLondon City
9h 54m
1 stop
BOS1:19 pmBoston Logan Intl
$805
KLM
Sep 17
BOS4:40 pmBoston Logan Intl
10h 15m
1 stop
LCY7:55 amLondon City
Sep 22
LCY10:00 amLondon City
11h 35m
1 stop
BOS4:35 pmBoston Logan Intl
$806

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 April 30, 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

Wed 5/27

9:40 pm-5:25 pm

1 stop14h 45m

London City

Wed 6/3

9:00 am-7:55 pm

1 stop15h 55m

$674

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 8/23

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 8/25

9:15 am-3:40 pm

1 stop11h 25m

$724

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/19

9:40 pm-5:25 pm

1 stop14h 45m

London City

Sat 9/5

9:00 am-7:55 pm

1 stop15h 55m

$731

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 5/11

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 5/14

1:10 pm-7:55 pm

1 stop11h 45m

$740

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 10/6

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 10/13

1:10 pm-7:55 pm

1 stop11h 45m

$741

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 5/10

9:40 pm-5:25 pm

1 stop14h 45m

London City

Thu 5/14

1:10 pm-7:55 pm

1 stop11h 45m

$745
Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 8/25

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 9/3

9:15 am-3:10 pm

1 stop10h 55m

$747

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/26

5:20 pm-8:40 am

1 stop10h 20m

London City

Mon 9/7

7:15 pm-3:10 pm

1 stop24h 55m

$748

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/26

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 9/16

9:15 am-3:10 pm

1 stop10h 55m

$750

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 8/18

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 8/26

9:15 am-3:10 pm

1 stop10h 55m

$751

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?

SWISS 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 55m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 55m
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 55m 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
8,464 reviews
Search Delta flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Uxbridge
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Guildford

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.
Start using Trips
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