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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 5/7. 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
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
$657Multiple Airlines
Sun, Aug 23 - Tue, Aug 25
SWISS Logo
9:40 pm - 5:25 pm
BOS
-
LCY
14h 45m
1 stop
SWISS Logo
9:15 am - 7:55 pm
LCY
-
BOS
15h 40m
1 stop
$674SWISS
Thu, May 7 - Thu, May 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
$703Multiple Airlines
Sun, Aug 23 - Tue, Aug 25
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
$736SWISS
Tue, Oct 6 - Tue, Oct 20
Virgin Atlantic Logo
6:50 pm - 4:40 pm
BOS
-
LCY
16h 50m
1 stop
Virgin Atlantic Logo
8:25 am - 11:37 pm
LCY
-
BOS
20h 12m
2 stops
$740Virgin Atlantic
Sun, May 10 - Tue, May 12
SWISS Logo
9:40 pm - 6:40 pm
BOS
-
LCY
16h 00m
1 stop
SWISS Logo
9:15 am - 7:55 pm
LCY
-
BOS
15h 40m
1 stop
$741SWISS
Mon, Jul 20 - Thu, Aug 20
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
Mon, Aug 24 - Fri, Sep 4
SWISS Logo
9:40 pm - 6:40 pm
BOS
-
LCY
16h 00m
1 stop
SWISS Logo
1:10 pm - 7:55 pm
LCY
-
BOS
11h 45m
1 stop
$748SWISS
Sat, Aug 1 - Fri, Aug 28
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
$753SWISS
Tue, Aug 25 - Tue, Sep 1
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
$754SWISS
Tue, Sep 8 - Tue, Sep 29

SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
May 7
BOS9:40 pmBoston Logan Intl
14h 45m
1 stop
LCY5:25 pmLondon City
May 14
LCY9:15 amLondon City
15h 40m
1 stop
BOS7:55 pmBoston Logan Intl
$674
SWISS
Oct 6
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Oct 20
LCY1:10 pmLondon City
11h 45m
1 stop
BOS7:55 pmBoston Logan Intl
$736
SWISS
Jul 20
BOS9:40 pmBoston Logan Intl
16h 00m
1 stop
LCY6:40 pmLondon City
Aug 20
LCY9:15 amLondon City
15h 40m
1 stop
BOS7:55 pmBoston Logan Intl
$741

ITA Airways flights from Boston to London City Airport

Our best ITA Airways deals on Boston to London City Airport flight tickets
ITA Airways
Apr 27
BOS5:05 pmBoston Logan Intl
15h 05m
2 stops
LCY1:10 pmLondon City
May 4
LCY12:30 pmLondon City
30h 10m
2 stops
BOS1:40 pmBoston Logan Intl
$764
ITA Airways
Sep 14
BOS5:05 pmBoston Logan Intl
17h 50m
2 stops
LCY3:55 pmLondon City
Sep 27
LCY4:30 pmLondon City
26h 10m
2 stops
BOS1:40 pmBoston Logan Intl
$794
ITA Airways
Sep 14
BOS5:05 pmBoston Logan Intl
20h 45m
2 stops
LCY6:50 pmLondon City
Sep 21
LCY7:25 pmLondon City
23h 15m
2 stops
BOS1:40 pmBoston Logan Intl
$795

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 10, 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

Tue 8/25

9:15 am-3:40 pm

1 stop11h 25m

$657

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Thu 5/7

9:40 pm-5:25 pm

1 stop14h 45m

London City

Thu 5/14

9:15 am-7:55 pm

1 stop15h 40m

$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

$703

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 10/6

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 10/20

1:10 pm-7:55 pm

1 stop11h 45m

$736

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 5/10

6:50 pm-4:40 pm

1 stop16h 50m

London City

Tue 5/12

8:25 am-11:37 pm

2 stops20h 12m

$740

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 7/20

9:40 pm-6:40 pm

1 stop16h 00m

London City

Thu 8/20

9:15 am-7:55 pm

1 stop15h 40m

$741
Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/24

9:40 pm-12:35 pm

1 stop9h 55m

London City

Fri 9/4

9:15 am-3:10 pm

1 stop10h 55m

$747

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sat 8/1

9:40 pm-6:40 pm

1 stop16h 00m

London City

Fri 8/28

1:10 pm-7:55 pm

1 stop11h 45m

$748

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 8/25

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 9/1

9:15 am-3:10 pm

1 stop10h 55m

$753

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Tue 9/8

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 9/29

9:15 am-7:55 pm

1 stop15h 40m

$754

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?

Delta 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 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

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 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
8,398 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
Hayes
Slough
Wembley
Crawley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford
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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