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

Airlines like United Airlines fly from London Heathrow Airport to Connecticut in about 17h 47m. 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 - New York John F Kennedy Intl, London Heathrow - Newark 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.

£415+ 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 15 October 2026.

Thu 12/1109:50 -

1 stop11h 35m

Thu 19/1109:51 -

2 stops17h 14m

Deal found 15/10£572

Mon 9/1107:30 -

2 stops16h 12m

Mon 16/1110:37 -

1 stop15h 03m

Deal found 12/10£611

Tue 17/1109:00 -

2 stops19h 59m

Wed 25/1115:00 -

2 stops16h 00m

Deal found 15/10£613

Wed 18/1109:00 -

2 stops17h 47m

Mon 23/1115:00 -

1 stop14h 50m

Deal found 12/10£614

Mon 9/1107:30 -

2 stops16h 12m

Mon 23/1110:37 -

2 stops16h 18m

Deal found 12/10£620

Wed 18/1112:05 -

1 stop16h 54m

Wed 2/1215:07 -

1 stop10h 33m

Deal found 11/10£634

Mon 9/1112:05 -

1 stop16h 54m

Mon 16/1115:00 -

1 stop10h 40m

Deal found 12/10£635

Tue 17/1112:20 -

1 stop16h 18m

Wed 25/1106:00 -

1 stop10h 40m

Deal found 15/10£638

Sat 14/1109:00 -

2 stops19h 59m

Tue 17/1115:00 -

2 stops17h 00m

Deal found 11/10£642

Mon 16/1116:20 -

1 stop12h 39m

Mon 30/1106:00 -

1 stop18h 55m

Deal found 13/10£643

Fri 6/1106:40 -

3 stops20h 59m

Sun 8/1116:45 -

2 stops23h 50m

Deal found 12/10£756

Thu 26/1106:40 -

3 stops20h 43m

Thu 3/1206:30 -

2 stops25h 20m

Deal found 12/10£875

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 15 October 2026.

Mon 23/1109:00 -

2 stops17h 47m

Mon 14/1206:00 -

2 stops25h 00m

Deal found 14/10£614

Fri 6/1106:00 -

2 stops21h 39m

Sun 8/1116:45 -

2 stops19h 45m

Deal found 12/10£759

Wed 11/1109:00 -

2 stops19h 59m

Wed 18/1115:00 -

1 stop14h 50m

Deal found 14/10£614

Mon 16/1109:00 -

2 stops19h 59m

Mon 30/1109:37 -

1 stop17h 18m

Deal found 10/10£614

Mon 9/1112:05 -

1 stop11h 37m

Mon 16/1119:54 -

1 stop9h 56m

Deal found 12/10£644

Thu 28/109:00 -

2 stops19h 59m

Mon 1/214:58 -

1 stop10h 42m

Deal found 14/10£652

Wed 11/1118:40 -

3 stops32h 49m

Wed 18/1113:00 -

3 stops22h 50m

Deal found 14/10£900

Sat 5/1207:30 -

2 stops21h 15m

Mon 14/1215:07 -

1 stop14h 43m

Deal found 12/10£655

Thu 12/1106:40 -

3 stops20h 39m

Thu 19/1113:30 -

2 stops21h 05m

Deal found 14/10£921

Fri 27/1109:30 -

2 stops14h 12m

Fri 4/1215:07 -

1 stop14h 43m

Deal found 13/10£680

Wed 25/1113:00 -

2 stops29h 55m

Wed 2/1207:30 -

2 stops22h 20m

Deal found 11/10£954

Fri 27/1106:40 -

3 stops20h 59m

Fri 4/1208:30 -

2 stops21h 20m

Deal found 13/10£1,002

Thu 26/1118:00 -

2 stops26h 13m

Thu 3/1206:30 -

1 stop18h 55m

Deal found 12/10£1,120

Thu 17/1208:50 -

3 stops18h 46m

Sat 2/114:35 -

2 stops34h 55m

Deal found 11/10£1,136

Find flight deals from Heathrow to Connecticut

Round-trip from	£572
One-way from	£415
Popular in	August
Cheapest in	February
Average price	£778

Aer Lingus
12/11-19/11
3 total stops
28h 49m total
London to Connecticut

Search Deals

JetBlue
25/11-31/12
1 total stop
21h 32m total
London to Connecticut

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£45 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 October 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 25/11

07:25-23:57

1 stop21h 32m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£415

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 25/11

09:50-22:28

2 stops17h 38m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£423

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sat 30/1

08:05-23:59

1 stop20h 54m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£451

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Thu 26/11

12:20-23:57

1 stop16h 37m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£458

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 23/12

12:20-23:57

1 stop16h 37m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£459

Fastest return journey

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sat 30/1

12:25-23:59

2 stops16h 34m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£473

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sun 20/12

20:45-22:58

2 stops31h 13m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£497

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Sun 20/12

20:45-23:44

3 stops31h 59m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£511

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 25/11

11:10-14:27

3 stops32h 17m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£514

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Fri 27/11

09:00-23:59

2 stops19h 59m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£521

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 27 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 £657 and £700 in November.
The cheapest return price found within the last 5 days was £572 on Aer Lingus (12 Nov–19 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

1,834 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

1,834 reviews

Aer Lingus

7.3

Good

1,834 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

3,054 reviews

Aer Lingus

7.3

Good

1,834 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 17h 47m. 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 - New York John F Kennedy Intl, London Heathrow - Newark 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.

See more FAQs

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Top 2 airlines flying from Heathrow to Connecticut

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£459	Average£586	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£591	Average£831	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Connecticut from Heathrow today with Cheapflights!

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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?

Not ready to book yet? You can track prices for flights from Heathrow to Connecticut on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from London Heathrow Airport to Connecticut from £415

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. 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 15 October 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 15 October 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 15 October 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 15 October 2026.

Last-minute flights from Heathrow to ConnecticutDiscover last-minute flight deals from Heathrow to Connecticut. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Connecticut. Data last updated 15 October 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 15 October 2026.

Search for one-way flight options from Heathrow to Connecticut. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Find flight deals from Heathrow to Connecticut

Round-trip from

One-way from

Popular in

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Average price

Cheapflights Fare Finder

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 £657 and £700 in November.The cheapest return price found within the last 5 days was £572 on Aer Lingus (12 Nov–19 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Connecticut

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Connecticut by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Heathrow to Connecticut by cabin class

Find flights from Heathrow to Connecticut, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Connecticut flights

Browse other Heathrow and Connecticut flight options. Last updated on 15 October 2026.

Popular flight searches

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Heathrow to Connecticut flights

Consider these flights travelling from Heathrow to Connecticut.

Top 2 airlines flying from Heathrow to Connecticut

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

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Connecticut?

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 15 October 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 15 October 2026.

Last-minute flights from Heathrow to Connecticut
Discover last-minute flight deals from Heathrow to Connecticut. Data last updated 15 October 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 15 October 2026.

London Heathrow Airport to Connecticut flights typically cost between £657 and £700 in November.
The cheapest return price found within the last 5 days was £572 on Aer Lingus (12 Nov–19 Nov).