What is the cheapest airline that flies from Connecticut to London?

United Airlines, British Airways, and Delta are the most popular carriers operating from Connecticut to London

How many flights depart from Connecticut to London on average per week?

As of September 2026, there are 1,043 flights per week flying from Connecticut to London. The most common day of the week flights depart is Sun, with 15% of flights taking off on this day.

How long does it take to fly to London?

Flight times from Connecticut to London vary, but if you’re flying out of Hartford and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 10m on average. Another popular route from Connecticut to London is flying from New Haven to London Heathrow Airport, which will take roughly 18h 45m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Connecticut to London refresh daily.

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

As of September 2026, there are 13 operators available to choose from for flights from Connecticut to London.

How old do you have to be to fly from Connecticut to London?

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 Connecticut to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£159 Cheap Flights from Connecticut to London in 2026/27

Find the cheapest flights from Connecticut to London

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:15 - 21:15JFK New York John F Kennedy Intl-LGW London Gatwick

24h 00m2 stops Zurich Dublin

09:45 - 12:50LGW London Gatwick-JFK New York John F Kennedy Intl

32h 05m2 stops Dublin Zurich

£450Multiple Airlines

Tue, 6 Oct - Mon, 12 Oct

20:25 - 11:50JFK New York John F Kennedy Intl-LHR London Heathrow

10h 25m1 stop Reykjavik Keflavik Intl

20:35 - 18:00LHR London Heathrow-JFK New York John F Kennedy Intl

26h 25m1 stop Reykjavik Keflavik Intl

£450Icelandair

Sat, 24 Oct - Thu, 5 Nov

23:55 - 17:20JFK New York John F Kennedy Intl-LHR London Heathrow

12h 25m1 stop Dublin

16:50 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

£451Aer Lingus

Fri, 9 Oct - Wed, 14 Oct

18:25 - 09:05JFK New York John F Kennedy Intl-LHR London Heathrow

9h 40m1 stop Shannon

16:50 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

£451Aer Lingus

Wed, 7 Oct - Tue, 20 Oct

23:20 - 11:10JFK New York John F Kennedy Intl-LHR London Heathrow

6h 50mdirect

08:20 - 11:20LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£452British Airways

Mon, 7 Dec - Thu, 10 Dec

20:05 - 08:10JFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mdirect

18:05 - 21:10LHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mdirect

£454British Airways

Wed, 3 Feb - Wed, 10 Feb

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£454Norse Atlantic UK

Sat, 17 Oct - Tue, 20 Oct

17:10 - 07:00JFK New York John F Kennedy Intl-LHR London Heathrow

8h 50m1 stop Boston Logan Intl

16:40 - 19:50LHR London Heathrow-JFK New York John F Kennedy Intl

8h 10mdirect

£455Iberia

Wed, 3 Feb - Wed, 10 Feb

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£456Norse Atlantic UK

Tue, 13 Oct - Tue, 20 Oct

21:00 - 14:55JFK New York John F Kennedy Intl-LHR London Heathrow

12h 55m1 stop Madrid Barajas

09:15 - 19:15LHR London Heathrow-JFK New York John F Kennedy Intl

15h 00m1 stop Madrid Barajas

£456Iberia

Mon, 1 Feb - Tue, 9 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

23:55 - 16:00JFK New York John F Kennedy Intl-LHR London Heathrow

11h 05m1 stop Dublin

16:50 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

£450Aer Lingus

Wed, 23 Sep - Tue, 6 Oct

16:55 - 08:25JFK New York John F Kennedy Intl-LGW London Gatwick

10h 30m1 stop Dublin

13:10 - 22:25LGW London Gatwick-JFK New York John F Kennedy Intl

14h 15m1 stop Dublin

£451Multiple Airlines

Fri, 25 Sep - Tue, 6 Oct

16:55 - 07:50JFK New York John F Kennedy Intl-STN London Stansted

9h 55m1 stop Dublin

06:30 - 22:25STN London Stansted-JFK New York John F Kennedy Intl

20h 55m1 stop Dublin

£452Multiple Airlines

Thu, 24 Sep - Tue, 6 Oct

23:55 - 15:00JFK New York John F Kennedy Intl-LHR London Heathrow

10h 05m1 stop Dublin

16:50 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

£453Aer Lingus

Sun, 27 Sep - Tue, 6 Oct

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£455Norse Atlantic UK

Fri, 25 Sep - Sun, 27 Sep

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£455Norse Atlantic UK

Fri, 25 Sep - Sun, 27 Sep

22:40 - 10:35JFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mdirect

16:35 - 19:40LHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mdirect

£460British Airways

Tue, 22 Sep - Fri, 2 Oct

23:55 - 12:05JFK New York John F Kennedy Intl-LHR London Heathrow

7h 10mdirect

15:25 - 22:40LHR London Heathrow-JFK New York John F Kennedy Intl

12h 15m1 stop Paris Charles de Gaulle

£470Virgin Atlantic

Sun, 27 Sep - Tue, 6 Oct

18:30 - 06:45JFK New York John F Kennedy Intl-LHR London Heathrow

7h 15mdirect

15:20 - 22:40LHR London Heathrow-JFK New York John F Kennedy Intl

12h 20m1 stop Paris Charles de Gaulle

£472Virgin Atlantic

Sat, 26 Sep - Fri, 9 Oct

18:20 - 06:25JFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mdirect

15:20 - 18:20LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£481British Airways

Sun, 27 Sep - Tue, 6 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

23:20 - 11:10JFK New York John F Kennedy Intl-LHR London Heathrow

6h 50mdirect

08:20 - 11:20LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£452British Airways

Mon, 7 Dec - Thu, 10 Dec

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£454Norse Atlantic UK

Sat, 17 Oct - Tue, 20 Oct

20:05 - 08:10JFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mdirect

18:05 - 21:10LHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mdirect

£454British Airways

Wed, 3 Feb - Wed, 10 Feb

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£455Hahn Air

Tue, 13 Oct - Tue, 20 Oct

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£455A.P.G.

Tue, 13 Oct - Tue, 20 Oct

18:20 - 06:20JFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mdirect

13:05 - 15:55LGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mdirect

£456Norse Atlantic UK

Tue, 13 Oct - Tue, 20 Oct

09:35 - 21:40JFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mdirect

18:05 - 21:05LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£461Finnair

Sun, 11 Oct - Tue, 20 Oct

20:15 - 08:50JFK New York John F Kennedy Intl-LHR London Heathrow

7h 35mdirect

15:50 - 20:10LHR London Heathrow-JFK New York John F Kennedy Intl

8h 20mdirect

£470Virgin Atlantic

Thu, 15 Oct - Thu, 29 Oct

08:15 - 20:10JFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mdirect

10:10 - 14:27LHR London Heathrow-JFK New York John F Kennedy Intl

8h 17mdirect

£470Virgin Atlantic

Mon, 19 Oct - Sat, 31 Oct

09:35 - 21:40JFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mdirect

18:05 - 21:05LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£472Finnair

Sun, 11 Oct - Tue, 20 Oct

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Icelandair flights from Connecticut to London

Our best Icelandair deals on Connecticut to London flight tickets

Icelandair

11 Oct

JFK23:10New York John F Kennedy Intl

31h 45m

1 stop

LHR11:55London Heathrow

20 Oct

LHR13:05London Heathrow

14h 00m

1 stop

JFK22:05New York John F Kennedy Intl

£458

Icelandair

18 Oct

JFK23:10New York John F Kennedy Intl

10h 30m

1 stop

LGW14:40London Gatwick

18 Nov

LGW11:55London Gatwick

11h 05m

1 stop

JFK18:00New York John F Kennedy Intl

£461

Icelandair

7 Jan

JFK19:25New York John F Kennedy Intl

10h 30m

1 stop

LGW10:55London Gatwick

15 Jan

LGW11:55London Gatwick

11h 05m

1 stop

JFK18:00New York John F Kennedy Intl

£462

British Airways flights from Connecticut to London

Our best British Airways deals on Connecticut to London flight tickets

British Airways

20 Oct

JFK22:40New York John F Kennedy Intl

6h 55m

LHR10:35London Heathrow

7 Mar

LHR11:20London Heathrow

8h 05m

JFK14:25New York John F Kennedy Intl

£461

British Airways

4 Oct

JFK23:55New York John F Kennedy Intl

10h 05m

1 stop

LHR15:00London Heathrow

13 Oct

LHR16:50London Heathrow

10h 35m

1 stop

JFK22:25New York John F Kennedy Intl

£465

British Airways

27 Sept

JFK18:20New York John F Kennedy Intl

7h 05m

LHR06:25London Heathrow

6 Oct

LHR15:20London Heathrow

8h 00m

JFK18:20New York John F Kennedy Intl

£481

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Tue 6/10

16:15-21:15

2 stops24h 00m

London Gatwick

Mon 12/10

09:45-12:50

2 stops32h 05m

£450

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 24/10

20:25-11:50

1 stop10h 25m

London Heathrow

Thu 5/11

20:35-18:00

1 stop26h 25m

£450

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 9/10

23:55-17:20

1 stop12h 25m

London Heathrow

Wed 14/10

16:50-22:25

1 stop10h 35m

£451

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 7/10

18:25-09:05

1 stop9h 40m

London Heathrow

Tue 20/10

16:50-22:25

1 stop10h 35m

£451

Fastest return journey

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 7/12

23:20-11:10

Nonstop6h 50m

London Heathrow

Thu 10/12

08:20-11:20

Nonstop8h 00m

£452

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 3/2

20:05-08:10

Nonstop7h 05m

London Heathrow

Wed 10/2

18:05-21:10

Nonstop8h 05m

£454

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Sat 17/10

18:20-06:20

Nonstop7h 00m

London Gatwick

Tue 20/10

13:05-15:55

Nonstop7h 50m

£454

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 3/2

17:10-07:00

1 stop8h 50m

London Heathrow

Wed 10/2

16:40-19:50

Nonstop8h 10m

£455

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Tue 13/10

18:20-06:20

Nonstop7h 00m

London Gatwick

Tue 20/10

13:05-15:55

Nonstop7h 50m

£456

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 1/2

21:00-14:55

1 stop12h 55m

London Heathrow

Tue 9/2

09:15-19:15

1 stop15h 00m

£456

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Connecticut to London

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

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Connecticut is in February. Flight prices, which tend to average around £596, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Connecticut averaging around £606.

Cheap Connecticut to London flight deals and tips

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

Best price found	£159
Fastest flight time	6h 45m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Connecticut in the past 72 hours is £159. The best return flight deal from Connecticut to London found on momondo in the last 72 hours is £450.

The fastest flight from Connecticut to London takes 6h 45m

Direct flights go from Connecticut to London every day.

There are 6 airports in London. From Connecticut there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Connecticut to London

When did momondo last update prices for flights from Connecticut to London?
Prices for flights from Connecticut to London refresh daily.
How many operators does momondo search for flights from Connecticut to London?
As of September 2026, there are 13 operators available to choose from for flights from Connecticut to London.
How old do you have to be to fly from Connecticut to London?
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 Connecticut to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

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

Finding the right flight to London from Connecticut is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

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

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?

Yes momondo offers price alerts on flights to London from Connecticut. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

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Cheap flights from Connecticut to London from £159

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 26/9. 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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Icelandair flights from Connecticut to London

Our best Icelandair deals on Connecticut to London flight tickets

British Airways flights from Connecticut to London

Our best British Airways deals on Connecticut to London flight tickets

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How to get the cheapest flight ticket from Connecticut to London

What is the cheapest month to fly to London?

What is the cheapest airline that flies from Connecticut to London?

How many flights depart from Connecticut to London on average per week?

How long does it take to fly to London?

Cheap Connecticut to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Connecticut to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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