Cheap flights from Connecticut to London from £209

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to London departing on 13/10. 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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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:40 - 06:50
JFK
-
LHR
7h 10mdirect
British Airways Logo
10:10 - 13:00
LHR
-
JFK
7h 50mdirect
£476British Airways
Wed, 16 Sep - Sun, 4 Oct
TAP AIR PORTUGAL Logo
22:05 - 15:35
JFK
-
LHR
12h 30m
1 stop
TAP AIR PORTUGAL Logo
08:00 - 20:05
LHR
-
JFK
17h 05m
1 stop
£477TAP AIR PORTUGAL
Wed, 30 Sep - Fri, 16 Oct
TAP AIR PORTUGAL Logo
22:05 - 22:55
JFK
-
LHR
19h 50m
1 stop
TAP AIR PORTUGAL Logo
11:20 - 20:05
LHR
-
JFK
13h 45m
1 stop
£479TAP AIR PORTUGAL
Wed, 30 Sep - Mon, 12 Oct
TAP AIR PORTUGAL Logo
22:05 - 18:50
JFK
-
LHR
15h 45m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 20:05
LHR
-
JFK
19h 05m
1 stop
£480TAP AIR PORTUGAL
Fri, 9 Oct - Mon, 12 Oct
Scandinavian Airlines Logo
18:55 - 09:20
JFK
-
LHR
33h 25m
1 stop
Scandinavian Airlines Logo
07:05 - 15:40
LHR
-
JFK
13h 35m
1 stop
£483Scandinavian Airlines
Fri, 28 Aug - Mon, 31 Aug
LEVEL Logo
00:45 - 09:10
JFK
-
LHR
28h 25m
1 stop
LEVEL Logo
09:55 - 22:00
LHR
-
JFK
17h 05m
1 stop
£489LEVEL
Sat, 31 Oct - Sat, 14 Nov
Icelandair Logo
20:25 - 20:20
EWR
-
LHR
18h 55m
1 stop
Icelandair Logo
13:05 - 19:15
LHR
-
EWR
11h 10m
1 stop
£507Icelandair
Tue, 6 Oct - Sat, 10 Oct
Icelandair Logo
20:25 - 20:20
EWR
-
LHR
18h 55m
1 stop
Icelandair Logo
21:25 - 19:15
LHR
-
EWR
26h 50m
1 stop
£508Icelandair
Thu, 17 Sep - Wed, 30 Sep
Air Canada Logo
19:55 - 11:50
LGA
-
LHR
10h 55m
1 stop
Air Canada Logo
14:05 - 19:36
LHR
-
LGA
10h 31m
1 stop
£542Air Canada
Mon, 27 Jul - Wed, 9 Sep
Air Canada Logo
17:40 - 10:00
LGA
-
LHR
11h 20m
1 stop
Air Canada Logo
14:05 - 19:37
LHR
-
LGA
10h 32m
1 stop
£543Air Canada
Thu, 20 Aug - Tue, 1 Sep

British Airways flights from Connecticut to London Heathrow Airport

Our best British Airways deals on Connecticut to London Heathrow Airport flight tickets
British Airways
16 Sept
JFK18:40New York John F Kennedy Intl
7h 10m
LHR06:50London Heathrow
4 Oct
LHR10:10London Heathrow
7h 50m
JFK13:00New York John F Kennedy Intl
£476
British Airways
7 Sept
JFK19:10New York John F Kennedy Intl
7h 10m
LHR07:20London Heathrow
28 Sept
LHR15:20London Heathrow
8h 00m
JFK18:20New York John F Kennedy Intl
£490
British Airways
1 Oct
LGA16:50New York LaGuardia
12h 25m
1 stop
LHR10:15London Heathrow
6 Oct
LHR13:15London Heathrow
12h 40m
1 stop
LGA20:55New York LaGuardia
£514

TAP AIR PORTUGAL flights from Connecticut to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Connecticut to London Heathrow Airport flight tickets
TAP AIR PORTUGAL
30 Sept
JFK22:05New York John F Kennedy Intl
12h 30m
1 stop
LHR15:35London Heathrow
16 Oct
LHR08:00London Heathrow
17h 05m
1 stop
JFK20:05New York John F Kennedy Intl
£477
TAP AIR PORTUGAL
1 Oct
JFK22:05New York John F Kennedy Intl
15h 45m
1 stop
LHR18:50London Heathrow
6 Oct
LHR11:20London Heathrow
13h 45m
1 stop
JFK20:05New York John F Kennedy Intl
£479
TAP AIR PORTUGAL
9 Oct
JFK22:05New York John F Kennedy Intl
15h 45m
1 stop
LHR18:50London Heathrow
12 Oct
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
£480

momondo Fare Finder

 
Customise your flight search to find flights from Connecticut to London Heathrow 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 14 May 2026.
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 16/9

18:40-06:50

Nonstop7h 10m

London Heathrow

Sun 4/10

10:10-13:00

Nonstop7h 50m

£476

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 30/9

22:05-15:35

1 stop12h 30m

London Heathrow

Fri 16/10

08:00-20:05

1 stop17h 05m

£477

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 30/9

22:05-22:55

1 stop19h 50m

London Heathrow

Mon 12/10

11:20-20:05

1 stop13h 45m

£479

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/10

22:05-18:50

1 stop15h 45m

London Heathrow

Mon 12/10

06:00-20:05

1 stop19h 05m

£480

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 28/8

18:55-09:20

1 stop33h 25m

London Heathrow

Mon 31/8

07:05-15:40

1 stop13h 35m

£483

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 31/10

00:45-09:10

1 stop28h 25m

London Heathrow

Sat 14/11

09:55-22:00

1 stop17h 05m

£489

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 6/10

20:25-20:20

1 stop18h 55m

London Heathrow

Sat 10/10

13:05-19:15

1 stop11h 10m

£507

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 17/9

20:25-20:20

1 stop18h 55m

London Heathrow

Wed 30/9

21:25-19:15

1 stop26h 50m

£508

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 27/7

19:55-11:50

1 stop10h 55m

London Heathrow

Wed 9/9

14:05-19:36

1 stop10h 31m

£542

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 20/8

17:40-10:00

1 stop11h 20m

London Heathrow

Tue 1/9

14:05-19:37

1 stop10h 32m

£543

Flights are sorted by cheapest return 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 Connecticut to London Heathrow 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 month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Connecticut to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £12. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Connecticut averaging around £421.

Cheap Connecticut to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Connecticut to London Heathrow Airport

Fastest flight time

6h 50m

Direct flights

Every day
The fastest flight from Connecticut to London Heathrow Airport takes 6h 50m
Direct flights go from Connecticut to London Heathrow Airport every day.

Frequently asked questions about flying from Connecticut to London Heathrow Airport

  • When did momondo last update prices for flights from Connecticut to London Heathrow Airport?

    Prices for flights from Connecticut to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Connecticut to London Heathrow Airport?

  • How old do you have to be to fly from Connecticut to London Heathrow 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 Connecticut to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow 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 Heathrow Airport. We recommend that you seek guidance from your airline or a reliable 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
Stratford-upon-Avon
Wembley
Slough
Maidstone
Northampton
Swindon
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Poole
Folkestone
Chelmsford
Dover

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut 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 Connecticut to London for you.

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

Yes. All flights to London from Connecticut on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Connecticut to London.

I’m not ready to book a flight from Connecticut to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Connecticut to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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1 adult
Sat 13/6
Sat 20/6

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