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

Airlines like Scandinavian Airlines, TAP AIR PORTUGAL, and United Airlines fly from Connecticut to London Heathrow Airport in about 7h 05m. The time it takes to get you to your destination can typically vary by up to 27h 15m. Airlines will cover a distance of 3454 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 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 Connecticut to London Heathrow Airport?

The most popular route from Connecticut to London Heathrow Airport is New York John F Kennedy Intl - London Heathrow. You may also consider Newark - London Heathrow or New York LaGuardia - London Heathrow.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Connecticut to London Heathrow Airport as you normally would.

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

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

How can I find direct flights from Connecticut to Heathrow?

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

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

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

£151+ Cheap Flights from Connecticut to London Heathrow Airport

Cheap flight deals from Connecticut to Heathrow

Enter your travel dates to find the best prices.

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One-way

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

Fri 9/1018:55 -

2 stops37h 00m

Mon 12/1010:20 -

2 stops34h 20m

Deal found 23/8£391

Thu 1/1018:55 -

2 stops33h 40m

Sun 4/1006:40 -

2 stops15h 20m

Deal found 24/8£392

Fri 2/1018:55 -

2 stops33h 00m

Mon 5/1006:40 -

1 stop15h 20m

Deal found 23/8£392

Sat 3/1020:30 -

1 stop10h 25m

Fri 9/1006:20 -

1 stop12h 20m

Deal found 21/8£393

Fri 25/922:00 -

Nonstop7h 20m

Sat 3/1009:50 -

1 stop12h 05m

Deal found 21/8£394

Sat 10/1017:10 -

1 stop16h 25m

Mon 12/1010:20 -

2 stops34h 20m

Deal found 20/8£396

Fri 23/1018:55 -

1 stop34h 25m

Mon 26/1006:40 -

2 stops14h 05m

Deal found 23/8£399

Fri 18/917:10 -

2 stops35h 10m

Mon 21/906:40 -

2 stops38h 00m

Deal found 23/8£400

Fri 13/1117:35 -

2 stops14h 20m

Sun 15/1106:40 -

1 stop14h 05m

Deal found 22/8£403

Tue 27/1017:04 -

1 stop13h 21m

Wed 4/1117:15 -

1 stop20h 35m

Deal found 24/8£482

Wed 4/1117:09 -

1 stop12h 16m

Sun 8/1117:15 -

1 stop20h 35m

Deal found 24/8£482

Sat 24/1013:02 -

1 stop17h 23m

Wed 28/1017:15 -

1 stop19h 51m

Deal found 21/8£484

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

Fri 22/117:35 -

2 stops34h 20m

Sun 31/119:30 -

1 stop25h 15m

Deal found 24/8£467

Mon 21/918:10 -

1 stop11h 05m

Wed 23/907:00 -

1 stop12h 20m

Deal found 22/8£515

Fri 6/1122:15 -

Nonstop7h 15m

Sun 8/1106:30 -

1 stop12h 30m

Deal found 24/8£536

Tue 13/1017:30 -

1 stop14h 15m

Sun 25/1008:15 -

2 stops18h 45m

Deal found 21/8£558

Tue 10/1121:05 -

Nonstop7h 05m

Tue 17/1109:00 -

1 stop16h 30m

Deal found 21/8£590

Sun 11/1020:55 -

Nonstop7h 15m

Mon 19/1007:30 -

1 stop16h 40m

Deal found 24/8£592

Tue 8/918:30 -

Nonstop7h 15m

Mon 14/906:30 -

1 stop11h 02m

Deal found 22/8£598

Wed 16/915:30 -

1 stop10h 00m

Mon 28/914:05 -

1 stop10h 31m

Deal found 20/8£608

Thu 10/1206:00 -

1 stop10h 40m

Mon 14/1212:20 -

1 stop15h 32m

Deal found 20/8£658

Sun 4/1018:55 -

2 stops16h 30m

Tue 13/1007:05 -

1 stop13h 35m

Deal found 22/8£474

Wed 18/1117:35 -

2 stops22h 45m

Sun 22/1118:40 -

1 stop26h 05m

Deal found 24/8£477

Sat 10/1018:55 -

2 stops17h 05m

Wed 14/1021:05 -

2 stops23h 35m

Deal found 21/8£481

Fri 16/1008:20 -

Nonstop7h 20m

Wed 21/1013:50 -

1 stop11h 25m

Deal found 24/8£590

Tue 1/1219:05 -

Nonstop7h 00m

Sun 13/1210:20 -

1 stop13h 45m

Deal found 22/8£594

Wed 23/915:00 -

1 stop10h 45m

Sun 27/908:55 -

1 stop10h 50m

Deal found 20/8£600

Mon 21/910:20 -

1 stop15h 35m

Mon 28/914:05 -

1 stop12h 25m

Deal found 21/8£605

Fri 25/913:59 -

1 stop11h 26m

Thu 5/1108:40 -

2 stops13h 50m

Deal found 23/8£609

Thu 24/908:20 -

Nonstop7h 20m

Tue 29/906:50 -

1 stop11h 20m

Deal found 22/8£595

Fri 9/1006:25 -

1 stop9h 20m

Sat 17/1011:55 -

1 stop17h 08m

Deal found 22/8£658

Thu 29/1021:00 -

Nonstop7h 05m

Thu 5/1115:50 -

Nonstop8h 20m

Deal found 20/8£603

Mon 7/915:00 -

1 stop10h 45m

Fri 11/913:25 -

1 stop14h 14m

Deal found 22/8£614

Wed 7/1017:45 -

1 stop13h 30m

Tue 13/1012:15 -

1 stop16h 09m

Deal found 22/8£614

Sat 10/1018:55 -

2 stops17h 05m

Sat 17/1017:30 -

2 stops28h 30m

Deal found 24/8£519

Sat 16/122:00 -

Nonstop7h 25m

Fri 29/109:00 -

1 stop16h 30m

Deal found 20/8£597

Tue 6/1006:40 -

1 stop9h 05m

Sun 18/1011:55 -

1 stop17h 08m

Deal found 22/8£658

Sun 4/1006:00 -

1 stop20h 15m

Tue 20/1009:55 -

2 stops18h 54m

Deal found 25/8£609

Tue 12/118:00 -

1 stop12h 40m

Sun 17/106:30 -

2 stops18h 05m

Deal found 22/8£615

Fri 25/917:20 -

2 stops15h 15m

Mon 28/921:05 -

2 stops22h 54m

Deal found 23/8£537

Sun 4/1006:40 -

1 stop9h 05m

Sun 18/1011:55 -

1 stop17h 08m

Deal found 22/8£658

Sat 14/1109:25 -

Nonstop6h 55m

Mon 16/1109:10 -

Nonstop8h 30m

Deal found 20/8£603

Find flight deals from Connecticut to Heathrow

Round-trip from	£391
One-way from	£151
Popular in	June
Cheapest in	January
Average price	£768

Scandinavian Airlines
9/10-12/10
4 total stops
71h 20m total
Connecticut to London

Search Deals

British Airways
4/11
1 total stop
12h 16m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£72 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights 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

Fri 22/1

17:35-08:55

2 stops34h 20m

London Heathrow

Sun 31/1

19:30-15:45

1 stop25h 15m

£467

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 4/10

18:55-16:25

2 stops16h 30m

London Heathrow

Tue 13/10

07:05-15:40

1 stop13h 35m

£474

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 18/11

17:35-21:20

2 stops22h 45m

London Heathrow

Sun 22/11

18:40-15:45

1 stop26h 05m

£477

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 10/10

18:55-17:00

2 stops17h 05m

London Heathrow

Wed 14/10

21:05-15:40

2 stops23h 35m

£481

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 21/9

18:10-10:15

1 stop11h 05m

London Heathrow

Wed 23/9

07:00-14:20

1 stop12h 20m

£515

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 10/10

18:55-17:00

2 stops17h 05m

London Heathrow

Sat 17/10

17:30-17:00

2 stops28h 30m

£519

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 6/11

22:15-10:30

Nonstop7h 15m

London Heathrow

Sun 8/11

06:30-14:00

1 stop12h 30m

£536

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Fri 25/9

17:20-13:35

2 stops15h 15m

London Heathrow

Mon 28/9

21:05-14:59

2 stops22h 54m

£537

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 13/10

17:30-12:45

1 stop14h 15m

London Heathrow

Sun 25/10

08:15-23:00

2 stops18h 45m

£558

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 10/11

21:05-09:10

Nonstop7h 05m

London Heathrow

Tue 17/11

09:00-20:30

1 stop16h 30m

£590

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Connecticut to Heathrow

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

LGA-LHR

JFK-LHR

EWR-LHR

PVD-LHR

BDL-LHR

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 Connecticut to London Heathrow Airport

USCT-LHR

LGA-LHR

JFK-LHR

EWR-LHR

PVD-LHR

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

Currently, February is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £465). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £952). 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 Connecticut to London Heathrow Airport?

Airfare is below average for this route at the moment.

Connecticut to London Heathrow Airport flights typically cost between £604 and £853 in October.
The cheapest return price found within the last 5 days was £584 on Aer Lingus (4 Oct–20 Oct).

Related info for your journey

How long is the flight from Connecticut to London Heathrow Airport?
Airlines like Scandinavian Airlines, TAP AIR PORTUGAL, and United Airlines fly from Connecticut to London Heathrow Airport in about 7h 05m. The time it takes to get you to your destination can typically vary by up to 27h 15m. Airlines will cover a distance of 3454 mi. This flight may include one or multiple stops.
What are the most popular routes from Connecticut to London Heathrow Airport?
The most popular route from Connecticut to London Heathrow Airport is New York John F Kennedy Intl - London Heathrow. You may also consider Newark - London Heathrow or New York LaGuardia - London Heathrow.
Can I find deals for flights from Connecticut to Heathrow that include hotel bookings?
Yes. In addition to deals on Connecticut to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Connecticut to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to Heathrow.
Can I find deals for business class flights from Connecticut to Heathrow?
Yes. Cheapflights offers flight deals from Connecticut to Heathrow 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 Connecticut to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £465). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £952). 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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How does Cheapflights help users find flights from Connecticut to Heathrow?

Cheapflights makes it easy to find Connecticut to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Connecticut to Heathrow 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 Connecticut to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Connecticut to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

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Cheap flights from Connecticut to London Heathrow Airport from £151

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Connecticut to Heathrow

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

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

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

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

Direct flights from Connecticut to HeathrowExplore direct flight options from Connecticut to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

Explore direct flight options from Connecticut to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

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

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

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

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

Find flight deals from Connecticut to Heathrow

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

Best time to book a flight from Connecticut to Heathrow

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

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Connecticut to London Heathrow Airport flights typically cost between £604 and £853 in October.The cheapest return price found within the last 5 days was £584 on Aer Lingus (4 Oct–20 Oct).

Related info for your journey

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

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

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

How can I find direct flights from Connecticut to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Connecticut to Heathrow

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Complete your trip

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Search flights from Connecticut to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 August 2026.

Connecticut and Heathrow flights

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

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

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

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

Direct flights from Connecticut to Heathrow
Explore direct flight options from Connecticut to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2026.

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

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

Connecticut to London Heathrow Airport flights typically cost between £604 and £853 in October.
The cheapest return price found within the last 5 days was £584 on Aer Lingus (4 Oct–20 Oct).