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Cheap flights from Boston to London from $318

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 7/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:40 pm - 9:10 am
BOS
-
LCY
10h 30m
1 stop
Multiple Airlines Logo
7:15 pm - 7:55 pm
LCY
-
BOS
29h 40m
1 stop
$761Multiple Airlines
Mon, Sep 28 - Sun, Oct 4
SWISS Logo
9:40 pm - 12:35 pm
BOS
-
LCY
9h 55m
1 stop
SWISS Logo
1:30 pm - 8:20 pm
LCY
-
BOS
11h 50m
1 stop
$763SWISS
Wed, Sep 16 - Wed, Nov 18
SWISS Logo
10:50 pm - 12:50 pm
BOS
-
LCY
10h 00m
1 stop
SWISS Logo
1:30 pm - 8:20 pm
LCY
-
BOS
11h 50m
1 stop
$767SWISS
Sun, Oct 25 - Wed, Nov 4
SWISS Logo
5:10 pm - 8:25 am
BOS
-
LCY
10h 15m
1 stop
SWISS Logo
7:15 pm - 7:55 pm
LCY
-
BOS
29h 40m
1 stop
$769SWISS
Fri, Sep 25 - Sun, Sep 27
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
$773Multiple Airlines
Mon, Sep 7 - Mon, Sep 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
$775Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
SWISS Logo
5:10 pm - 8:40 am
BOS
-
LCY
10h 30m
1 stop
SWISS Logo
12:15 pm - 7:55 pm
LCY
-
BOS
12h 40m
1 stop
$778SWISS
Thu, Aug 27 - 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
$779SWISS
Sun, Aug 16 - 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
$780SWISS
Thu, Aug 27 - Mon, Aug 31
Virgin Atlantic Logo
8:25 pm - 6:30 pm
BOS
-
LCY
17h 05m
1 stop
Virgin Atlantic Logo
7:45 am - 10:43 pm
LCY
-
BOS
19h 58m
2 stops
$782Virgin Atlantic
Mon, Aug 17 - Wed, Aug 19

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SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
Sep 16
BOS9:40 pmBoston Logan Intl
9h 55m
1 stop
LCY12:35 pmLondon City
Nov 18
LCY1:30 pmLondon City
11h 50m
1 stop
BOS8:20 pmBoston Logan Intl
$763
SWISS
Oct 25
BOS10:50 pmBoston Logan Intl
10h 00m
1 stop
LCY12:50 pmLondon City
Nov 4
LCY1:30 pmLondon City
11h 50m
1 stop
BOS8:20 pmBoston Logan Intl
$767
SWISS
Sep 25
BOS5:10 pmBoston Logan Intl
10h 15m
1 stop
LCY8:25 amLondon City
Sep 27
LCY7:15 pmLondon City
29h 40m
1 stop
BOS7:55 pmBoston Logan Intl
$769

KLM flights from Boston to London City Airport

Our best KLM deals on Boston to London City Airport flight tickets
KLM
Oct 2
BOS4:45 pmBoston Logan Intl
10h 10m
1 stop
LCY7:55 amLondon City
Oct 17
LCY10:00 amLondon City
11h 36m
1 stop
BOS4:36 pmBoston Logan Intl
$838
KLM
Aug 3
BOS4:45 pmBoston Logan Intl
9h 30m
1 stop
LCY7:15 amLondon City
Sep 2
LCY10:00 amLondon City
11h 35m
1 stop
BOS4:35 pmBoston Logan Intl
$839
KLM
Sep 2
BOS4:40 pmBoston Logan Intl
10h 15m
1 stop
LCY7:55 amLondon City
Sep 14
LCY8:25 amLondon City
9h 54m
1 stop
BOS1:19 pmBoston Logan Intl
$841

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 June 21, 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

Mon 9/28

5:40 pm-9:10 am

1 stop10h 30m

London City

Sun 10/4

7:15 pm-7:55 pm

1 stop29h 40m

$761

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 9/16

9:40 pm-12:35 pm

1 stop9h 55m

London City

Wed 11/18

1:30 pm-8:20 pm

1 stop11h 50m

$763

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 10/25

10:50 pm-12:50 pm

1 stop10h 00m

London City

Wed 11/4

1:30 pm-8:20 pm

1 stop11h 50m

$767

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Fri 9/25

5:10 pm-8:25 am

1 stop10h 15m

London City

Sun 9/27

7:15 pm-7:55 pm

1 stop29h 40m

$769
Quickest round-trip

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 9/7

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 9/14

9:15 am-3:40 pm

1 stop11h 25m

$773

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 9/7

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 9/14

9:15 am-3:40 pm

1 stop11h 25m

$775

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Thu 8/27

5:10 pm-8:40 am

1 stop10h 30m

London City

Sat 9/5

12:15 pm-7:55 pm

1 stop12h 40m

$778

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 8/16

9:40 pm-12:35 pm

1 stop9h 55m

London City

Tue 8/25

1:10 pm-7:55 pm

1 stop11h 45m

$779

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Thu 8/27

9:40 pm-12:35 pm

1 stop9h 55m

London City

Mon 8/31

1:10 pm-7:55 pm

1 stop11h 45m

$780

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/17

8:25 pm-6:30 pm

1 stop17h 05m

London City

Wed 8/19

7:45 am-10:43 pm

2 stops19h 58m

$782

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?

Virgin Atlantic, Lufthansa, 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 15m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 15m
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 15m 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
7.8
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
Stansted
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Ilford
Folkestone
Uxbridge
Romford

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.

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