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Cheap flights from Boston to London from £171

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 22/3. 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 return flights

Enter your travel dates to find the best prices.
SWISS Logo
21:50 - 12:55
BOS
-
LCY
10h 05m
1 stop
SWISS Logo
09:15 - 20:00
LCY
-
BOS
15h 45m
1 stop
£381SWISS
Wed, 25 Feb - Mon, 2 Mar
SWISS Logo
23:10 - 17:05
BOS
-
LCY
13h 55m
1 stop
SWISS Logo
08:00 - 15:10
LCY
-
BOS
12h 10m
1 stop
£381SWISS
Mon, 23 Mar - Mon, 30 Mar
SWISS Logo
21:50 - 12:55
BOS
-
LCY
10h 05m
1 stop
SWISS Logo
09:15 - 20:00
LCY
-
BOS
15h 45m
1 stop
£386SWISS
Wed, 25 Feb - Mon, 2 Mar
Multiple Airlines Logo
21:40 - 12:35
BOS
-
LCY
9h 55m
1 stop
Multiple Airlines Logo
09:15 - 15:40
LCY
-
BOS
11h 25m
1 stop
£389Multiple Airlines
Mon, 4 May - Wed, 6 May
SWISS Logo
22:10 - 12:55
BOS
-
LCY
9h 45m
1 stop
SWISS Logo
13:30 - 21:00
LCY
-
BOS
11h 30m
1 stop
£389SWISS
Mon, 2 Mar - Mon, 9 Mar
SWISS Logo
22:10 - 12:55
BOS
-
LCY
9h 45m
1 stop
SWISS Logo
13:30 - 20:00
LCY
-
BOS
11h 30m
1 stop
£390SWISS
Mon, 2 Mar - Fri, 6 Mar
SWISS Logo
22:50 - 12:55
BOS
-
LCY
10h 05m
1 stop
SWISS Logo
13:30 - 21:20
LCY
-
BOS
11h 50m
1 stop
£391SWISS
Wed, 18 Mar - Wed, 25 Mar
SWISS Logo
22:10 - 12:55
BOS
-
LCY
9h 45m
1 stop
SWISS Logo
13:30 - 20:20
LCY
-
BOS
11h 50m
1 stop
£393SWISS
Mon, 2 Mar - Thu, 5 Mar
SWISS Logo
22:10 - 18:40
BOS
-
LCY
15h 30m
1 stop
SWISS Logo
13:30 - 20:20
LCY
-
BOS
11h 50m
1 stop
£394SWISS
Sun, 22 Feb - Wed, 25 Feb
SWISS Logo
22:10 - 18:40
BOS
-
LCY
15h 30m
1 stop
SWISS Logo
13:30 - 20:00
LCY
-
BOS
11h 30m
1 stop
£395SWISS
Sun, 22 Feb - Thu, 26 Feb

KLM flights from Boston to London City Airport

Our best KLM deals on Boston to London City Airport flight tickets
KLM
18 Feb
BOS19:10Boston Logan Intl
9h 20m
1 stop
LCY09:30London City
24 Feb
LCY07:45London City
10h 40m
1 stop
BOS13:25Boston Logan Intl
£423
KLM
22 Mar
BOS20:10Boston Logan Intl
9h 20m
1 stop
LCY09:30London City
30 Mar
LCY10:00London City
11h 25m
1 stop
BOS16:25Boston Logan Intl
£425
KLM
9 Mar
BOS20:10Boston Logan Intl
9h 20m
1 stop
LCY09:30London City
13 Mar
LCY07:45London City
10h 35m
1 stop
BOS14:20Boston Logan Intl
£426

SWISS flights from Boston to London City Airport

Our best SWISS deals on Boston to London City Airport flight tickets
SWISS
25 Feb
BOS21:50Boston Logan Intl
14h 15m
1 stop
LCY17:05London City
4 Mar
LCY13:30London City
11h 50m
1 stop
BOS20:20Boston Logan Intl
£381
SWISS
23 Mar
BOS23:10Boston Logan Intl
13h 55m
1 stop
LCY17:05London City
30 Mar
LCY08:00London City
12h 10m
1 stop
BOS15:10Boston Logan Intl
£381
SWISS
25 Feb
BOS21:50Boston Logan Intl
10h 05m
1 stop
LCY12:55London City
2 Mar
LCY09:15London City
15h 45m
1 stop
BOS20:00Boston Logan Intl
£386

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 7 February 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

Wed 25/2

21:50-12:55

1 stop10h 05m

London City

Mon 2/3

09:15-20:00

1 stop15h 45m

£381

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 23/3

23:10-17:05

1 stop13h 55m

London City

Mon 30/3

08:00-15:10

1 stop12h 10m

£381

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 25/2

21:50-12:55

1 stop10h 05m

London City

Mon 2/3

09:15-20:00

1 stop15h 45m

£386

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 4/5

21:40-12:35

1 stop9h 55m

London City

Wed 6/5

09:15-15:40

1 stop11h 25m

£389

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 2/3

22:10-12:55

1 stop9h 45m

London City

Mon 9/3

13:30-21:00

1 stop11h 30m

£389

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 2/3

22:10-12:55

1 stop9h 45m

London City

Fri 6/3

13:30-20:00

1 stop11h 30m

£390

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Wed 18/3

22:50-12:55

1 stop10h 05m

London City

Wed 25/3

13:30-21:20

1 stop11h 50m

£391

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 2/3

22:10-12:55

1 stop9h 45m

London City

Thu 5/3

13:30-20:20

1 stop11h 50m

£393

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 22/2

22:10-18:40

1 stop15h 30m

London City

Wed 25/2

13:30-20:20

1 stop11h 50m

£394

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Sun 22/2

22:10-18:40

1 stop15h 30m

London City

Thu 26/2

13:30-20:00

1 stop11h 30m

£395

Flights are sorted by cheapest return 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?

United Airlines 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 return 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 20m

Direct flights

None
The fastest flight from Boston to London City Airport takes 9h 20m
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?

    There are 3276.0 mi between Boston Logan Intl and London City. Typically, this will take 9h 20m 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 old do you have to be to fly from Boston Logan Intl Airport to London City Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 travel and health documents you'll need for your trip to London City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Folkestone
Bedford
Colchester
Wembley
Worthing
Ramsgate

Why use momondo?

Why should I use momondo to find a flight deal from Boston to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to London for you.

Can I find flights from Boston to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Boston with this policy.

How can momondo help me find flights from Boston to London?

Once you have performed a search for Boston to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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