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 05m and 24h 20m, respectively.

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

As of February 2026, 918 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 17% of weekly flights taking off on this day.

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

TAP AIR PORTUGAL, Virgin Atlantic, and KLM are the most popular carriers operating from Connecticut to London Heathrow

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

As of February 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.

£140 Cheap Flights from Connecticut to London Heathrow Airport in 2026

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20:25 - 10:50

JFK

LHR

10h 25m

1 stop

13:05 - 19:20

LHR

JFK

11h 15m

1 stop

£335Icelandair

Wed, 25 Mar - Thu, 16 Apr

20:25 - 10:50

JFK

LHR

10h 25m

1 stop

12:15 - 19:00

LHR

JFK

10h 45m

1 stop

£336Icelandair

Tue, 10 Mar - Tue, 17 Mar

17:35 - 10:00

LGA

LHR

11h 25m

1 stop

09:30 - 19:31

LHR

LGA

15h 01m

1 stop

£340Air Canada

Tue, 31 Mar - Tue, 7 Apr

23:25 - 20:05

JFK

LHR

15h 40m

1 stop

09:55 - 21:40

LHR

JFK

16h 45m

1 stop

£341Multiple Airlines

Fri, 17 Apr - Wed, 22 Apr

21:00 - 17:50

JFK

LHR

15h 50m

1 stop

17:50 - 13:20

LHR

JFK

24h 30m

1 stop

£342Multiple Airlines

Tue, 24 Feb - Thu, 26 Feb

15:30 - 09:35

LGA

LHR

13h 05m

1 stop

14:05 - 21:30

LHR

LGA

12h 25m

1 stop

£343Air Canada

Tue, 31 Mar - Sun, 5 Apr

17:35 - 10:00

LGA

LHR

11h 25m

1 stop

14:05 - 21:30

LHR

LGA

12h 25m

1 stop

£368Lufthansa

Sun, 29 Mar - Sun, 5 Apr

00:55 - 22:40

EWR

LHR

17h 45m

1 stop

08:15 - 23:05

LHR

EWR

18h 50m

2 stops

£370TAP AIR PORTUGAL

Thu, 19 Mar - Tue, 24 Mar

17:30 - 10:20

EWR

LHR

11h 50m

1 stop

06:00 - 15:30

LHR

EWR

14h 30m

1 stop

£370TAP AIR PORTUGAL

Wed, 6 May - Tue, 12 May

15:30 - 08:35

LGA

LHR

12h 05m

1 stop

09:30 - 21:30

LHR

LGA

17h 00m

1 stop

£373Lufthansa

Thu, 2 Apr - Sun, 12 Apr

Air Canada flights from Connecticut to London Heathrow Airport

Our best Air Canada deals on Connecticut to London Heathrow Airport flight tickets

Air Canada

5 Feb

LGA15:20New York LaGuardia

10h 50m

1 stop

LHR07:10London Heathrow

11 Feb

LHR13:25London Heathrow

10h 37m

1 stop

LGA19:02New York LaGuardia

£366

Air Canada

23 Feb

LGA12:40New York LaGuardia

13h 30m

1 stop

LHR07:10London Heathrow

1 Mar

LHR13:25London Heathrow

13h 08m

1 stop

LGA21:33New York LaGuardia

£367

Air Canada

5 Feb

LGA10:35New York LaGuardia

15h 35m

1 stop

LHR07:10London Heathrow

11 Feb

LHR13:25London Heathrow

10h 37m

1 stop

LGA19:02New York LaGuardia

£368

Lufthansa flights from Connecticut to London Heathrow Airport

Our best Lufthansa deals on Connecticut to London Heathrow Airport flight tickets

Lufthansa

6 Feb

JFK15:40New York John F Kennedy Intl

12h 05m

1 stop

LHR08:45London Heathrow

8 Feb

LHR08:45London Heathrow

11h 55m

1 stop

JFK15:40New York John F Kennedy Intl

£346

Lufthansa

29 Mar

LGA17:35New York LaGuardia

11h 25m

1 stop

LHR10:00London Heathrow

5 Apr

LHR14:05London Heathrow

12h 25m

1 stop

LGA21:30New York LaGuardia

£368

Lufthansa

2 Apr

LGA15:30New York LaGuardia

12h 05m

1 stop

LHR08:35London Heathrow

12 Apr

LHR09:30London Heathrow

17h 00m

1 stop

LGA21:30New York LaGuardia

£373

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

Wed 25/3

20:25-10:50

1 stop10h 25m

London Heathrow

Thu 16/4

13:05-19:20

1 stop11h 15m

£335

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 10/3

20:25-10:50

1 stop10h 25m

London Heathrow

Tue 17/3

12:15-19:00

1 stop10h 45m

£336

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 31/3

17:35-10:00

1 stop11h 25m

London Heathrow

Tue 7/4

09:30-19:31

1 stop15h 01m

£340

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 17/4

23:25-20:05

1 stop15h 40m

London Heathrow

Wed 22/4

09:55-21:40

1 stop16h 45m

£341

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 24/2

21:00-17:50

1 stop15h 50m

London Heathrow

Thu 26/2

17:50-13:20

1 stop24h 30m

£342

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 31/3

15:30-09:35

1 stop13h 05m

London Heathrow

Sun 5/4

14:05-21:30

1 stop12h 25m

£343

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 29/3

17:35-10:00

1 stop11h 25m

London Heathrow

Sun 5/4

14:05-21:30

1 stop12h 25m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 19/3

00:55-22:40

1 stop17h 45m

London Heathrow

Tue 24/3

08:15-23:05

2 stops18h 50m

£370

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 6/5

17:30-10:20

1 stop11h 50m

London Heathrow

Tue 12/5

06:00-15:30

1 stop14h 30m

£370

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 2/4

15:30-08:35

1 stop12h 05m

London Heathrow

Sun 12/4

09:30-21:30

1 stop17h 00m

£373

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, September 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 £539. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Connecticut averaging around £562.

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.

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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 February 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.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Northampton

Stratford-upon-Avon

Swindon

Southend-on-Sea

Canterbury

Ipswich

Ilford

Poole

Guildford

Chelmsford

Hayes

Dover

Swanage

Folkestone

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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Cheap flights from Connecticut to London from £140

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 24/2. 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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Find the cheapest flights from Connecticut to London

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Air Canada flights from Connecticut to London Heathrow Airport

Our best Air Canada deals on Connecticut to London Heathrow Airport flight tickets

Lufthansa flights from Connecticut to London Heathrow Airport

Our best Lufthansa 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?

TAP AIR PORTUGAL, Virgin Atlantic, and KLM 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 February 2026, 918 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 17% 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 05m and 24h 20m, 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

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

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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According to popular flight searches on momondo this year