How long is the flight from London Heathrow Airport to Connecticut?

Airlines like United Airlines fly from London Heathrow Airport to Connecticut in about 19h 59m. The time it takes to get you to your destination can typically vary by up to . There are 3340 mi between London Heathrow Airport and Connecticut.

In terms of precipitation, rainfall in Connecticut ranges from 79.0 - 105.0 inches per month. September is typically the wettest month, when rainfall can reach 105.0 mm. February is typically the driest time to visit Connecticut when rainfall is around 79.0 mm.

If weather is an important factor for your trip to Connecticut, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

What are the most popular routes from London Heathrow Airport to Connecticut?

Most travelers choose London Heathrow - Newark, London Heathrow - New York John F Kennedy Intl or London Heathrow - New York LaGuardia when deciding on the best route from London Heathrow Airport to Connecticut.

What is the cheapest time of day to fly from LHR to CT?

When flying from London Heathrow Airport to Connecticut, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Heathrow to Connecticut that include hotel bookings?

Yes. In addition to deals on Heathrow to Connecticut flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Connecticut?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Connecticut.

Can I find deals for business class flights from Heathrow to Connecticut?

Yes. Cheapflights offers flight deals from Heathrow to Connecticut by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£376+ Cheap Flights from London Heathrow Airport to Connecticut

Cheap flight deals from Heathrow to Connecticut

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Heathrow to Connecticut
Explore the most affordable flight options available from Heathrow to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Sat 7/1108:50 -

1 stop12h 35m

Sat 14/1117:55 -

1 stop9h 10m

Deal found 23/9£528

Thu 5/1108:50 -

1 stop12h 35m

Thu 12/1117:55 -

1 stop9h 10m

Deal found 21/9£575

Wed 21/1007:40 -

1 stop13h 50m

Sat 31/1018:55 -

1 stop9h 10m

Deal found 20/9£582

Sat 5/1212:20 -

1 stop16h 37m

Mon 14/1206:00 -

1 stop10h 40m

Deal found 24/9£596

Thu 5/1112:20 -

1 stop16h 18m

Thu 12/1106:00 -

1 stop10h 40m

Deal found 24/9£601

Tue 24/1108:50 -

1 stop12h 35m

Sat 28/1117:55 -

1 stop14h 30m

Deal found 20/9£613

Fri 9/1008:50 -

1 stop12h 40m

Mon 19/1018:00 -

1 stop10h 05m

Deal found 22/9£618

Wed 4/1111:10 -

3 stops33h 45m

Wed 11/1111:15 -

3 stops26h 15m

Deal found 20/9£831

Sat 7/1109:55 -

3 stops41h 34m

Sat 14/1107:30 -

3 stops22h 20m

Deal found 23/9£896

Thu 5/1120:50 -

3 stops30h 49m

Thu 12/1109:20 -

2 stops29h 10m

Deal found 21/9£899

Sun 27/909:30 -

3 stops41h 18m

Sun 4/1008:30 -

1 stop15h 50m

Deal found 22/9£1,228

Find flight deals from Heathrow to Connecticut

Round-trip from	£494
One-way from	£376
Popular in	August
Cheapest in	February
Average price	£557

Aer Lingus
3/11-10/11
2 total stops
29h 15m total
London to Connecticut

Search Deals

JetBlue
3/11-31/12
1 total stop
21h 13m total
London to Connecticut

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£41 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Tue 3/11

07:25-23:38

1 stop21h 13m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sun 29/11

09:55-16:25

3 stops59h 30m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£394

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Fri 11/12

18:35-16:25

2 stops26h 50m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£396

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Mon 14/12

08:05-23:57

1 stop20h 52m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£413

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Mon 14/12

09:55-16:25

2 stops35h 30m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£432

Fastest return journey

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sat 28/11

08:50-16:25

1 stop12h 35m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£433

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sun 8/11

11:05-21:47

2 stops39h 42m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£500

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 21/10

16:50-16:30

1 stop28h 40m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£518

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sat 7/11

09:00-09:48

2 stops29h 48m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£525

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Thu 29/10

20:50-17:25

3 stops48h 35m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£526

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Connecticut

Have a flexible travel schedule? Discover the best time to fly to Connecticut from Heathrow with our price prediction graph.

LHR-BDL

LHR-HVN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Connecticut

LHR-USCT

LHR-BDL

LHR-HVN

What is the cheapest month to book a flight from London Heathrow Airport to Connecticut?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Connecticut (average of £599). Flying from London Heathrow Airport to Connecticut in July is currently the most expensive (average of £1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Connecticut?

Airfare is below average for this route at the moment.

London Heathrow Airport to Connecticut flights typically cost between £638 and £980 in November.
The cheapest return price found within the last 5 days was £494 on Aer Lingus (3 Nov–10 Nov).

Reviews of airlines servicing Connecticut

See what other customers who have flown with Aer Lingus and JetBlue from London Heathrow Airport to Connecticut have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,788 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Aer Lingus

7.3

Good

1,788 reviews

Aer Lingus

7.3

Good

1,788 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

JetBlue

7.1

Good

3,043 reviews

Aer Lingus

7.3

Good

1,788 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

How long is the flight from London Heathrow Airport to Connecticut?
Airlines like United Airlines fly from London Heathrow Airport to Connecticut in about 19h 59m. The time it takes to get you to your destination can typically vary by up to . There are 3340 mi between London Heathrow Airport and Connecticut.
What are the most popular routes from London Heathrow Airport to Connecticut?
Most travelers choose London Heathrow - Newark, London Heathrow - New York John F Kennedy Intl or London Heathrow - New York LaGuardia when deciding on the best route from London Heathrow Airport to Connecticut.
Can I find deals for flights from Heathrow to Connecticut that include hotel bookings?
Yes. In addition to deals on Heathrow to Connecticut flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Connecticut?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Connecticut.
Can I find deals for business class flights from Heathrow to Connecticut?
Yes. Cheapflights offers flight deals from Heathrow to Connecticut by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Connecticut?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Connecticut (average of £599). Flying from London Heathrow Airport to Connecticut in July is currently the most expensive (average of £1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Heathrow to Connecticut

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£459	Average£513	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£591	Average£841	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Connecticut for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Connecticut with no change fees?

Need flexible booking options for your flight to Connecticut from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Connecticut become cheaper?

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Cheap flights from London Heathrow Airport to Connecticut from £376

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Connecticut

Cheapest flights from Heathrow to ConnecticutExplore the most affordable flight options available from Heathrow to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Explore the most affordable flight options available from Heathrow to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Best flights from Heathrow to ConnecticutDiscover carefully curated flight deals from Heathrow to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 September 2026.

Discover carefully curated flight deals from Heathrow to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 September 2026.

Last-minute flights from Heathrow to ConnecticutDiscover last-minute flight deals from Heathrow to Connecticut. Data last updated 25 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Connecticut. Data last updated 25 September 2026 and is based on user searches.

One-way flights from Heathrow to ConnecticutSearch for one-way flight options from Heathrow to Connecticut. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.

Search for one-way flight options from Heathrow to Connecticut. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.

Find flight deals from Heathrow to Connecticut

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

Best time to book a flight from Heathrow to Connecticut

Have a flexible travel schedule? Discover the best time to fly to Connecticut from Heathrow with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Heathrow Airport to Connecticut?

How much does it cost for a return flight from London Heathrow Airport to Connecticut?

Airfare is below average for this route at the moment.

London Heathrow Airport to Connecticut flights typically cost between £638 and £980 in November.The cheapest return price found within the last 5 days was £494 on Aer Lingus (3 Nov–10 Nov).

Reviews of airlines servicing Connecticut

See what other customers who have flown with Aer Lingus and JetBlue from London Heathrow Airport to Connecticut have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Heathrow Airport to Connecticut?

What are the most popular routes from London Heathrow Airport to Connecticut?

Can I find deals for flights from Heathrow to Connecticut that include hotel bookings?

How can I find direct flights from Heathrow to Connecticut?

Can I find deals for business class flights from Heathrow to Connecticut?

What is the cheapest month to book a flight from London Heathrow Airport to Connecticut?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Connecticut

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Complete your trip

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Direct flights to United States

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Search flights from Heathrow to Connecticut by cabin class

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Heathrow and Connecticut flights

Browse other Heathrow and Connecticut flight options. Last updated on 25 September 2026.

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Heathrow to Connecticut flights

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Top 2 airlines flying from Heathrow to Connecticut

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How does Cheapflights help users find flights from Heathrow to Connecticut?

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Can Cheapflights find flights from Heathrow to Connecticut with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Connecticut become cheaper?

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Cheapest flights from Heathrow to Connecticut
Explore the most affordable flight options available from Heathrow to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 September 2026.

Best flights from Heathrow to Connecticut
Discover carefully curated flight deals from Heathrow to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 September 2026.

Last-minute flights from Heathrow to Connecticut
Discover last-minute flight deals from Heathrow to Connecticut. Data last updated 25 September 2026 and is based on user searches.

One-way flights from Heathrow to Connecticut
Search for one-way flight options from Heathrow to Connecticut. Find affordable one-way fares based on user searches. Data last updated 25 September 2026.

London Heathrow Airport to Connecticut flights typically cost between £638 and £980 in November.
The cheapest return price found within the last 5 days was £494 on Aer Lingus (3 Nov–10 Nov).