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

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

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

As of August 2026, 997 flights take off from Connecticut and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Connecticut, such as Hartford or New Haven, and flying into London Heathrow Airport, then you can expect flight times to average 9h and 19h, respectively.

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

As of August 2026, there are 12 operators available to choose from 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.

£151 Cheap Flights from Connecticut to London Heathrow Airport in 2026

Find the cheapest flights from Connecticut to London

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

18:55 - 14:35JFK New York John F Kennedy Intl-LHR London Heathrow

38h 40m2 stops Kastrup Copenhagen Oslo Gardermoen

09:55 - 16:45LHR London Heathrow-JFK New York John F Kennedy Intl

34h 50m2 stops Stockholm Arlanda Kastrup Copenhagen

£391Scandinavian Airlines

Thu, 22 Oct - Sun, 25 Oct

18:55 - 12:55JFK New York John F Kennedy Intl-LHR London Heathrow

37h 00m2 stops Kastrup Copenhagen Stockholm Arlanda

10:20 - 15:40LHR London Heathrow-JFK New York John F Kennedy Intl

34h 20m2 stops Kastrup Copenhagen Oslo Gardermoen

£391Scandinavian Airlines

Fri, 9 Oct - Mon, 12 Oct

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

9h 40m1 stop Shannon

15:10 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

12h 15m1 stop Dublin

£427Aer Lingus

Fri, 4 Sep - Mon, 12 Oct

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

9h 40m1 stop Shannon

15:10 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

12h 15m1 stop Dublin

£428Aer Lingus

Fri, 4 Sep - Thu, 8 Oct

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

7h 05mdirect

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

8h 00mdirect

£443British Airways

Fri, 22 Jan - Sun, 24 Jan

18:40 - 06:50JFK New York John F Kennedy Intl-LHR London Heathrow

7h 10mdirect

09:35 - 12:35LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£447British Airways

Fri, 18 Sep - Sat, 12 Dec

21:05 - 09:15JFK New York John F Kennedy Intl-LHR London Heathrow

7h 10mdirect

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

15h 00m1 stop Madrid Barajas

£471Iberia

Fri, 5 Feb - Sun, 7 Feb

14:44 - 07:20JFK New York John F Kennedy Intl-LHR London Heathrow

11h 36m1 stop Charlotte Douglas

07:20 - 15:30LHR London Heathrow-JFK New York John F Kennedy Intl

13h 10m1 stop Barcelona-El Prat

£494American Airlines

Sun, 7 Feb - Tue, 9 Feb

09:45 - 21:40JFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mdirect

11:25 - 20:15LHR London Heathrow-JFK New York John F Kennedy Intl

12h 50m1 stop Madrid Barajas

£519Iberia

Mon, 19 Oct - Fri, 30 Oct

19:15 - 07:20JFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mdirect

08:55 - 16:10LHR London Heathrow-JFK New York John F Kennedy Intl

12h 15m1 stop Barcelona-El Prat

£587American Airlines

Tue, 8 Sep - Tue, 22 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:25 - 21:30JFK New York John F Kennedy Intl-LHR London Heathrow

21h 05m1 stop Geneva Geneve-Cointrin

19:10 - 16:55LHR London Heathrow-JFK New York John F Kennedy Intl

26h 45m1 stop Shannon

£429Multiple Airlines

Thu, 27 Aug - Wed, 2 Sep

15:40 - 07:40JFK New York John F Kennedy Intl-LHR London Heathrow

11h 00m1 stop Frankfurt am Main

19:10 - 16:55LHR London Heathrow-JFK New York John F Kennedy Intl

26h 45m1 stop Shannon

£433Multiple Airlines

Thu, 27 Aug - Mon, 31 Aug

10:40 - 10:00LGA New York LaGuardia-LHR London Heathrow

18h 20m1 stop Montreal Pierre Elliott Trudeau Intl

06:50 - 18:45LHR London Heathrow-LGA New York LaGuardia

16h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£509United Airlines

Wed, 26 Aug - Fri, 28 Aug

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

9h 40m1 stop Shannon

15:10 - 22:25LHR London Heathrow-JFK New York John F Kennedy Intl

12h 15m1 stop Dublin

£510Aer Lingus

Sun, 30 Aug - Fri, 11 Sep

11:20 - 08:30LGA New York LaGuardia-LHR London Heathrow

16h 10m1 stop Chicago O'Hare Intl

06:50 - 18:45LHR London Heathrow-LGA New York LaGuardia

16h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£510United Airlines

Wed, 26 Aug - Fri, 28 Aug

15:30 - 06:30LGA New York LaGuardia-LHR London Heathrow

10h 00m1 stop Montreal Pierre Elliott Trudeau Intl

06:30 - 21:30LHR London Heathrow-LGA New York LaGuardia

20h 00m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

£522Lufthansa

Wed, 26 Aug - Fri, 28 Aug

15:10 - 09:15EWR Newark-LHR London Heathrow

13h 05m1 stop Boston Logan Intl

08:55 - 22:00LHR London Heathrow-EWR Newark

18h 05m1 stop Paris Charles de Gaulle

£527Virgin Atlantic

Thu, 27 Aug - Mon, 31 Aug

09:30 - 09:15EWR Newark-LHR London Heathrow

18h 45m1 stop Boston Logan Intl

06:15 - 14:45LHR London Heathrow-EWR Newark

13h 30m1 stop Paris Charles de Gaulle

£527Virgin Atlantic

Thu, 27 Aug - Mon, 31 Aug

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

£530Aer Lingus

Fri, 28 Aug - Fri, 4 Sep

08:30 - 20:40EWR Newark-LHR London Heathrow

7h 10mdirect

06:50 - 13:10LHR London Heathrow-EWR Newark

11h 20m1 stop Brussels Bruxelles-National

£573Lufthansa

Wed, 26 Aug - Wed, 2 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

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

7h 05mdirect

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

8h 00mdirect

£443British Airways

Fri, 22 Jan - Sun, 24 Jan

18:40 - 06:50JFK New York John F Kennedy Intl-LHR London Heathrow

7h 10mdirect

09:35 - 12:35LHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mdirect

£447British Airways

Fri, 18 Sep - Sat, 12 Dec

19:00 - 07:15JFK New York John F Kennedy Intl-LHR London Heathrow

7h 15mdirect

16:35 - 20:59LHR London Heathrow-JFK New York John F Kennedy Intl

8h 24mdirect

£531Virgin Atlantic

Mon, 19 Oct - Fri, 30 Oct

18:00 - 06:20JFK New York John F Kennedy Intl-LHR London Heathrow

7h 20mdirect

16:35 - 20:00LHR London Heathrow-JFK New York John F Kennedy Intl

8h 25mdirect

£532Virgin Atlantic

Fri, 25 Sep - Sun, 20 Dec

17:50 - 05:50EWR Newark-LHR London Heathrow

7h 00mdirect

16:25 - 20:35LHR London Heathrow-EWR Newark

8h 10mdirect

£537Iberia

Thu, 15 Oct - Thu, 29 Oct

18:30 - 06:30EWR Newark-LHR London Heathrow

7h 00mdirect

16:25 - 19:35LHR London Heathrow-EWR Newark

8h 10mdirect

£537Iberia

Mon, 16 Nov - Wed, 25 Nov

18:00 - 06:20JFK New York John F Kennedy Intl-LHR London Heathrow

7h 20mdirect

15:35 - 18:45LHR London Heathrow-JFK New York John F Kennedy Intl

8h 10mdirect

£551Multiple Airlines

Wed, 3 Feb - Mon, 8 Feb

22:30 - 10:30JFK New York John F Kennedy Intl-LHR London Heathrow

7h 00mdirect

10:15 - 13:10LHR London Heathrow-JFK New York John F Kennedy Intl

7h 55mdirect

£552Multiple Airlines

Thu, 7 Jan - Mon, 11 Jan

08:45 - 20:45JFK New York John F Kennedy Intl-LHR London Heathrow

7h 00mdirect

08:15 - 11:19LHR London Heathrow-JFK New York John F Kennedy Intl

8h 04mdirect

£555JetBlue

Tue, 22 Sep - Tue, 29 Sep

21:03 - 09:30JFK New York John F Kennedy Intl-LHR London Heathrow

7h 27mdirect

08:15 - 11:19LHR London Heathrow-JFK New York John F Kennedy Intl

8h 04mdirect

£559JetBlue

Sun, 4 Oct - Thu, 15 Oct

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Scandinavian Airlines flights from Connecticut to London Heathrow Airport

Our best Scandinavian Airlines deals on Connecticut to London Heathrow Airport flight tickets

Scandinavian Airlines

9 Oct

JFK18:55New York John F Kennedy Intl

37h 00m

2 stops

LHR12:55London Heathrow

12 Oct

LHR10:20London Heathrow

34h 20m

2 stops

JFK15:40New York John F Kennedy Intl

£391

Scandinavian Airlines

1 Oct

JFK18:55New York John F Kennedy Intl

33h 40m

2 stops

LHR09:35London Heathrow

4 Oct

LHR06:40London Heathrow

15h 20m

2 stops

JFK17:00New York John F Kennedy Intl

£392

Scandinavian Airlines

2 Oct

JFK18:55New York John F Kennedy Intl

33h 00m

2 stops

LHR08:55London Heathrow

5 Oct

LHR06:40London Heathrow

15h 20m

1 stop

JFK17:00New York John F Kennedy Intl

£392

Aer Lingus flights from Connecticut to London Heathrow Airport

Our best Aer Lingus deals on Connecticut to London Heathrow Airport flight tickets

Aer Lingus

4 Sept

JFK18:25New York John F Kennedy Intl

9h 40m

1 stop

LHR09:05London Heathrow

12 Oct

LHR15:10London Heathrow

12h 15m

1 stop

JFK22:25New York John F Kennedy Intl

£427

Aer Lingus

4 Sept

JFK18:25New York John F Kennedy Intl

9h 40m

1 stop

LHR09:05London Heathrow

8 Oct

LHR15:10London Heathrow

12h 15m

1 stop

JFK22:25New York John F Kennedy Intl

£428

Aer Lingus

31 Aug

JFK23:55New York John F Kennedy Intl

11h 05m

1 stop

LHR16:00London Heathrow

12 Oct

LHR15:10London Heathrow

12h 15m

1 stop

JFK22:25New York John F Kennedy Intl

£430

momondo Fare Finder

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

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Thu 22/10

18:55-14:35

2 stops38h 40m

London Heathrow

Sun 25/10

09:55-16:45

2 stops34h 50m

£391

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 9/10

18:55-12:55

2 stops37h 00m

London Heathrow

Mon 12/10

10:20-15:40

2 stops34h 20m

£391

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 4/9

18:25-09:05

1 stop9h 40m

London Heathrow

Mon 12/10

15:10-22:25

1 stop12h 15m

£427

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 4/9

18:25-09:05

1 stop9h 40m

London Heathrow

Thu 8/10

15:10-22:25

1 stop12h 15m

£428

Fastest return journey

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 22/1

20:05-08:10

Nonstop7h 05m

London Heathrow

Sun 24/1

08:20-11:20

Nonstop8h 00m

£443

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 18/9

18:40-06:50

Nonstop7h 10m

London Heathrow

Sat 12/12

09:35-12:35

Nonstop8h 00m

£447

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 5/2

21:05-09:15

Nonstop7h 10m

London Heathrow

Sun 7/2

09:15-19:15

1 stop15h 00m

£471

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 7/2

14:44-07:20

1 stop11h 36m

London Heathrow

Tue 9/2

07:20-15:30

1 stop13h 10m

£494

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 19/10

09:45-21:40

Nonstop6h 55m

London Heathrow

Fri 30/10

11:25-20:15

1 stop12h 50m

£519

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 8/9

19:15-07:20

Nonstop7h 05m

London Heathrow

Tue 22/9

08:55-16:10

1 stop12h 15m

£587

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, February 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 £465. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Connecticut averaging around £565.

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

Best price found	£151
Fastest flight time	6h 50m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Connecticut in the past 72 hours is £151. The best return flight deal from Connecticut to London Heathrow Airport found on momondo in the last 72 hours is £391.

The fastest flight from Connecticut to London Heathrow Airport takes 6h 50m

Direct flights go from Connecticut to London Heathrow Airport every day.

Search flight deals

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?
As of August 2026, there are 12 operators available to choose from 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.

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Stratford-upon-Avon

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Luton

Northampton

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Ipswich

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Hastings

Ilford

Canterbury

Poole

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Guildford

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.

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Cheap flights from Connecticut to London from £151

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 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Connecticut to London Heathrow Airport

Our best Scandinavian Airlines deals on Connecticut to London Heathrow Airport flight tickets

Aer Lingus flights from Connecticut to London Heathrow Airport

Our best Aer Lingus deals on Connecticut to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Connecticut to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

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

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

How long does it take to fly to London Heathrow Airport?

Cheap Connecticut to London Heathrow Airport flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Connecticut to London Heathrow Airport

Travelling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport 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 London

Popular Cities in the United Kingdom

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

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

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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