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Cheap flights from Boston to London from $372

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 8/20. 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 - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$777SWISS
Sun, Aug 23 - Mon, Aug 31
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
$781SWISS
Sun, Aug 23 - Tue, Aug 25
SWISS Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
SWISS Logo
9:15 am - 7:55 pm
LCY
-
BOS
15h 40m
1 stop
$782SWISS
Sun, Aug 23 - Thu, Aug 27
Multiple Airlines Logo
5:20 pm - 8:40 am
BOS
-
LCY
10h 20m
1 stop
Multiple Airlines Logo
9:15 am - 3:40 pm
LCY
-
BOS
11h 25m
1 stop
$800Multiple Airlines
Mon, Aug 24 - Mon, Sep 7
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
$804SWISS
Mon, Aug 10 - Mon, Aug 17
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
$805SWISS
Wed, Jul 22 - Mon, Aug 17
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
$806SWISS
Wed, Aug 12 - Mon, Aug 17
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
$809SWISS
Wed, Aug 12 - Wed, Oct 14
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
$811SWISS
Wed, Aug 12 - Wed, Aug 26
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
$816SWISS
Mon, Aug 17 - Fri, Aug 21

SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
Aug 23
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Aug 31
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$777
SWISS
Aug 23
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Aug 25
LCY9:15 amLondon City
10h 55m
1 stop
BOS3:10 pmBoston Logan Intl
$781
SWISS
Aug 23
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Aug 27
LCY9:15 amLondon City
15h 40m
1 stop
BOS7:55 pmBoston Logan Intl
$782

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 21
BOS4:45 pmBoston Logan Intl
9h 30m
1 stop
LCY7:15 amLondon City
Aug 27
LCY9:20 amLondon City
12h 17m
1 stop
BOS4:37 pmBoston Logan Intl
$844
Virgin Atlantic
Aug 17
BOS1:34 pmBoston Logan Intl
14h 56m
2 stops
LCY9:30 amLondon City
Aug 27
LCY9:20 amLondon City
12h 17m
1 stop
BOS4:37 pmBoston Logan Intl
$848
Virgin Atlantic
Aug 17
BOS1:34 pmBoston Logan Intl
14h 56m
2 stops
LCY9:30 amLondon City
Aug 28
LCY8:15 pmLondon City
22h 03m
1 stop
BOS1:18 pmBoston Logan Intl
$849

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 May 28, 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

Sun 8/23

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 8/31

1:10 pm-7:55 pm

1 stop11h 45m

$777
Quickest round-trip

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-3:10 pm

1 stop10h 55m

$781

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 8/23

9:40 pm-12:35 pm

1 stop9h 55m

London City

Thu 8/27

9:15 am-7:55 pm

1 stop15h 40m

$782

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/24

5:20 pm-8:40 am

1 stop10h 20m

London City

Mon 9/7

9:15 am-3:40 pm

1 stop11h 25m

$800

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/10

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 8/17

9:15 am-3:10 pm

1 stop10h 55m

$804

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 7/22

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 8/17

1:10 pm-7:55 pm

1 stop11h 45m

$805

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/12

5:20 pm-8:40 am

1 stop10h 20m

London City

Mon 8/17

9:15 am-3:10 pm

1 stop10h 55m

$806

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/12

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 10/14

1:10 pm-7:55 pm

1 stop11h 45m

$809

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 8/12

5:20 pm-8:40 am

1 stop10h 20m

London City

Wed 8/26

9:15 am-3:10 pm

1 stop10h 55m

$811

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/17

5:20 pm-8:40 am

1 stop10h 20m

London City

Fri 8/21

9:15 am-3:10 pm

1 stop10h 55m

$816

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?

SWISS, United Airlines, and KLM 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
8,423 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
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Slough
Stansted
Harrow
Dartford
Brentwood
Watford
Ilford
Cobham
Folkestone
Uxbridge
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.
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