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

TAP AIR PORTUGAL, JetBlue, and Brussels 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 2025, 1,064 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 15% 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 8h 35m and 33h 45m, respectively.

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

As of August 2025, there are 11 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.

£120 Cheap Flights from Connecticut to London Heathrow Airport in 2025

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Find the cheapest flights from Connecticut to London

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One-way

Last minute

Direct

Cheap return flights

16:15 - 07:55JFK-LHR

10h 40m1 stop

06:00 - 12:50LHR-JFK

11h 50m1 stop

£199SWISS

Find Deal

Mon, 8 Sep - Mon, 6 Oct

16:15 - 07:55JFK-LHR

10h 40m1 stop

06:00 - 12:50LHR-JFK

11h 50m1 stop

£200SWISS

Find Deal

Thu, 2 Oct - Sun, 5 Oct

19:35 - 16:40JFK-LHR

16h 05m1 stop

06:00 - 13:05LHR-JFK

12h 05m1 stop

£209SWISS

Find Deal

Wed, 5 Nov - Wed, 12 Nov

18:10 - 10:15JFK-LHR

11h 05m1 stop

06:50 - 13:00LHR-JFK

11h 10m1 stop

£229Brussels Airlines

Find Deal

Mon, 15 Sep - Tue, 7 Oct

18:15 - 06:15JFK-LHR

7h 00mdirect

06:15 - 13:15LHR-JFK

12h 00m1 stop

£275British Airways

Find Deal

Fri, 7 Nov - Sun, 9 Nov

18:25 - 06:20JFK-LHR

6h 55mdirect

06:15 - 13:15LHR-JFK

12h 00m1 stop

£275British Airways

Find Deal

Tue, 18 Nov - Thu, 20 Nov

22:55 - 11:05JFK-LHR

7h 10mdirect

07:55 - 14:50LHR-JFK

11h 55m1 stop

£280American Airlines

Find Deal

Fri, 12 Sep - Sun, 14 Sep

23:20 - 11:15JFK-LHR

6h 55mdirect

06:15 - 13:15LHR-JFK

12h 00m1 stop

£281American Airlines

Find Deal

Wed, 12 Nov - Fri, 14 Nov

22:05 - 17:45JFK-LHR

14h 40m1 stop

11:20 - 20:05LHR-JFK

13h 45m1 stop

£284TAP AIR PORTUGAL

Find Deal

Thu, 16 Oct - Wed, 22 Oct

22:50 - 18:50EWR-LHR

15h 00m1 stop

19:50 - 15:20LHR-EWR

24h 30m1 stop

£289TAP AIR PORTUGAL

Find Deal

Mon, 15 Sep - Wed, 24 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

7 Nov

JFK18:15New York John F Kennedy Intl

7h 00m

LHR06:15London Heathrow

9 Nov

LHR06:15London Heathrow

12h 00m

1 stop

JFK13:15New York John F Kennedy Intl

£275

Find similar

British Airways

18 Nov

JFK18:25New York John F Kennedy Intl

6h 55m

LHR06:20London Heathrow

20 Nov

LHR06:15London Heathrow

12h 00m

1 stop

JFK13:15New York John F Kennedy Intl

£275

Find similar

British Airways

4 Nov

JFK21:30New York John F Kennedy Intl

16h 30m

1 stop

LHR19:00London Heathrow

6 Nov

LHR10:05London Heathrow

14h 10m

1 stop

JFK19:15New York John F Kennedy Intl

£279

Find similar

American Airlines flights from Connecticut to London Heathrow Airport

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

American Airlines

12 Sept

JFK22:55New York John F Kennedy Intl

7h 10m

LHR11:05London Heathrow

14 Sept

LHR07:55London Heathrow

11h 55m

1 stop

JFK14:50New York John F Kennedy Intl

£280

Find similar

American Airlines

12 Nov

JFK23:20New York John F Kennedy Intl

6h 55m

LHR11:15London Heathrow

14 Nov

LHR06:15London Heathrow

12h 00m

1 stop

JFK13:15New York John F Kennedy Intl

£281

Find similar

American Airlines

16 Jan

JFK23:20New York John F Kennedy Intl

6h 55m

LHR11:15London Heathrow

18 Jan

LHR06:15London Heathrow

12h 05m

1 stop

JFK13:20New York John F Kennedy Intl

£282

Find similar

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

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/9

16:15-07:55

1 stop10h 40m

London Heathrow

Mon 6/10

06:00-12:50

1 stop11h 50m

£199

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 2/10

16:15-07:55

1 stop10h 40m

London Heathrow

Sun 5/10

06:00-12:50

1 stop11h 50m

£200

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 5/11

19:35-16:40

1 stop16h 05m

London Heathrow

Wed 12/11

06:00-13:05

1 stop12h 05m

£209

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 15/9

18:10-10:15

1 stop11h 05m

London Heathrow

Tue 7/10

06:50-13:00

1 stop11h 10m

£229

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 7/11

18:15-06:15

Nonstop7h 00m

London Heathrow

Sun 9/11

06:15-13:15

1 stop12h 00m

£275

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 18/11

18:25-06:20

Nonstop6h 55m

London Heathrow

Thu 20/11

06:15-13:15

1 stop12h 00m

£275

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 12/9

22:55-11:05

Nonstop7h 10m

London Heathrow

Sun 14/9

07:55-14:50

1 stop11h 55m

£280

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 12/11

23:20-11:15

Nonstop6h 55m

London Heathrow

Fri 14/11

06:15-13:15

1 stop12h 00m

£281

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 16/10

22:05-17:45

1 stop14h 40m

London Heathrow

Wed 22/10

11:20-20:05

1 stop13h 45m

£284

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 15/9

22:50-18:50

1 stop15h 00m

London Heathrow

Wed 24/9

19:50-15:20

1 stop24h 30m

£289

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, November 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 £536. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Connecticut averaging around £567.

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	£120
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 £120. The best return flight deal from Connecticut to London Heathrow Airport found on momondo in the last 72 hours is £199.

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

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 2025, there are 11 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.

Eastbourne

Milton Keynes

Luton

Slough

Northampton

Maidstone

Southend-on-Sea

Swindon

Canterbury

Gatwick

Stratford-upon-Avon

Ipswich

Ilford

Guildford

Colchester

Dartford

Swanage

Hounslow

Worthing

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

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.

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Cheap flights from Connecticut to London from £120

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 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Connecticut to London

Cheap return flights

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British Airways flights from Connecticut to London Heathrow Airport

Our best British Airways deals on Connecticut to London Heathrow Airport flight tickets

American Airlines flights from Connecticut to London Heathrow Airport

Our best American Airlines 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

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?

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

TAP AIR PORTUGAL, JetBlue, and Brussels 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 2025, 1,064 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 15% 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 8h 35m and 33h 45m, respectively.

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

Fastest flight time

Direct flights

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

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?

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

Travelling to a place near London?

Why use momondo?

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

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

How can momondo help me find flights 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?

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