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

Airlines like Delta, United Airlines, and Scandinavian Airlines fly from Connecticut to London Heathrow Airport in about 7h 20m. The time it takes to get you to your destination can typically vary by up to 11h 15m. Airlines will cover a distance of 3440 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.

£153+ 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 9 September 2026.

Thu 31/1219:25 -

1 stop10h 25m

Sun 17/112:15 -

1 stop10h 45m

Deal found 7/9£442

Wed 11/1117:35 -

2 stops59h 00m

Sun 15/1106:40 -

1 stop14h 05m

Deal found 6/9£443

Sun 6/1219:25 -

1 stop19h 05m

Mon 21/1212:15 -

1 stop10h 25m

Deal found 6/9£444

Tue 29/1219:25 -

1 stop19h 05m

Mon 4/120:35 -

1 stop26h 25m

Deal found 6/9£444

Thu 15/1017:10 -

1 stop11h 25m

Thu 29/1017:00 -

1 stop27h 45m

Deal found 8/9£445

Thu 5/1123:45 -

1 stop15h 20m

Mon 16/1120:50 -

1 stop30h 10m

Deal found 7/9£446

Sat 19/918:55 -

2 stops17h 05m

Mon 21/907:05 -

1 stop13h 35m

Deal found 8/9£447

Sun 13/1219:25 -

1 stop10h 25m

Sun 20/1220:35 -

1 stop26h 25m

Deal found 6/9£448

Fri 23/1022:05 -

2 stops17h 00m

Tue 3/1120:50 -

2 stops28h 15m

Deal found 9/9£449

Sun 25/1020:25 -

1 stop10h 25m

Thu 3/1212:15 -

1 stop10h 45m

Deal found 5/9£449

Fri 25/919:10 -

Nonstop7h 10m

Tue 29/916:35 -

Nonstop8h 05m

Deal found 7/9£450

Wed 14/1015:30 -

1 stop10h 00m

Fri 23/1009:30 -

1 stop10h 06m

Deal found 9/9£489

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 9 September 2026.

Tue 8/1217:45 -

2 stops18h 15m

Sat 12/1213:55 -

2 stops30h 45m

Deal found 8/9£494

Sun 20/922:00 -

Nonstop7h 20m

Tue 29/911:20 -

Nonstop7h 55m

Deal found 9/9£495

Tue 1/1210:35 -

1 stop15h 35m

Fri 11/1213:00 -

1 stop13h 31m

Deal found 9/9£500

Tue 1/1216:00 -

1 stop12h 00m

Tue 8/1211:45 -

2 stops16h 42m

Deal found 9/9£501

Fri 27/1118:25 -

Nonstop6h 55m

Wed 2/1207:30 -

1 stop16h 35m

Deal found 9/9£533

Sun 15/1116:40 -

1 stop12h 00m

Wed 18/1110:30 -

1 stop13h 25m

Deal found 5/9£578

Wed 28/1001:10 -

1 stop13h 45m

Tue 10/1113:40 -

1 stop13h 30m

Deal found 6/9£592

Thu 22/1014:59 -

1 stop10h 56m

Fri 30/1013:00 -

1 stop12h 30m

Deal found 8/9£609

Mon 1/306:00 -

1 stop9h 45m

Wed 3/312:20 -

1 stop16h 12m

Deal found 4/9£661

Mon 28/909:38 -

1 stop16h 32m

Wed 14/1010:45 -

1 stop17h 47m

Deal found 9/9£506

Mon 21/917:10 -

1 stop11h 25m

Mon 28/921:05 -

2 stops23h 35m

Deal found 5/9£510

Fri 23/1016:00 -

1 stop9h 45m

Tue 3/1108:55 -

2 stops15h 40m

Deal found 9/9£538

Tue 24/1117:00 -

1 stop9h 50m

Tue 1/1212:55 -

1 stop11h 40m

Deal found 8/9£528

Sat 31/1011:36 -

1 stop14h 54m

Sat 7/1109:00 -

1 stop16h 30m

Deal found 5/9£593

Thu 29/1001:10 -

1 stop16h 25m

Sat 5/1206:00 -

2 stops20h 35m

Deal found 5/9£595

Tue 27/1018:35 -

2 stops45h 20m

Tue 3/1110:20 -

1 stop34h 25m

Deal found 7/9£545

Sun 25/1017:40 -

1 stop12h 00m

Mon 9/1110:30 -

1 stop13h 25m

Deal found 6/9£601

Tue 6/1019:15 -

Nonstop7h 05m

Mon 12/1007:30 -

1 stop16h 40m

Deal found 8/9£601

Fri 13/1115:30 -

1 stop10h 40m

Sun 15/1113:00 -

1 stop13h 31m

Deal found 5/9£611

Tue 13/1021:00 -

Nonstop7h 20m

Mon 19/1008:40 -

1 stop16h 35m

Deal found 8/9£593

Tue 16/213:10 -

3 stops23h 20m

Tue 23/208:15 -

1 stop16h 50m

Deal found 9/9£595

Fri 13/1111:39 -

1 stop13h 46m

Tue 17/1110:50 -

1 stop15h 26m

Deal found 9/9£543

Sat 7/1106:50 -

1 stop9h 09m

Tue 10/1112:20 -

1 stop16h 42m

Deal found 9/9£662

Sun 20/917:30 -

1 stop11h 30m

Thu 26/1113:00 -

1 stop13h 31m

Deal found 8/9£611

Sat 10/1017:20 -

1 stop14h 35m

Wed 14/1006:40 -

2 stops18h 19m

Deal found 9/9£573

Thu 1/1009:30 -

Nonstop6h 50m

Fri 9/1008:40 -

1 stop16h 35m

Deal found 8/9£593

Wed 21/1006:40 -

1 stop9h 05m

Wed 28/1012:20 -

1 stop15h 39m

Deal found 8/9£662

Tue 10/1118:00 -

Nonstop7h 20m

Thu 12/1106:20 -

1 stop11h 35m

Deal found 7/9£552

Sat 23/106:00 -

1 stop22h 00m

Thu 4/211:45 -

2 stops16h 38m

Deal found 6/9£670

Tue 27/1017:35 -

1 stop9h 35m

Tue 10/1113:00 -

1 stop11h 06m

Deal found 6/9£611

Find flight deals from Connecticut to Heathrow

Round-trip from	£442
One-way from	£153
Popular in	June
Cheapest in	January
Average price	£674

Icelandair
13/12-23/12
2 total stops
21h 10m total
Connecticut to London

Search Deals

British Airways
14/2-31/12
1 total stop
12h 03m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£68 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 September 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

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Thu 17/9

08:20-20:40

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

Fastest return journey

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 16/2

21:35-09:30

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 15/9

08:15-20:10

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 23/9

18:00-06:20

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 18/9

18:00-06:20

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Thu 15/10

17:35-05:55

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 26/10

18:50-05:50

Nonstop7h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 19/9

18:00-06:20

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Thu 7/1

20:00-08:25

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 9/10

18:40-06:50

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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.

JFK-LHR

LGA-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

JFK-LHR

LGA-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 £468). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,144). 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 £540 and £852 in September.
The cheapest return price found within the last 5 days was £501 on Delta (23 Sept–17 Dec).

Related info for your journey

How long is the flight from Connecticut to London Heathrow Airport?
Airlines like Delta, United Airlines, and Scandinavian Airlines fly from Connecticut to London Heathrow Airport in about 7h 20m. The time it takes to get you to your destination can typically vary by up to 11h 15m. Airlines will cover a distance of 3440 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 £468). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,144). 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?

Of course! You can now track prices for flights from Connecticut to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Connecticut to London Heathrow Airport from £153

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/2. 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 9 September 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 9 September 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 9 September 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 9 September 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 9 September 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 9 September 2026.

Last-minute flights from Connecticut to HeathrowDiscover last-minute flight deals from Connecticut to Heathrow. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 9 September 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 9 September 2026.

Search for one-way flight options from Connecticut to Heathrow. Find affordable one-way fares based on user searches. Data last updated 9 September 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 £540 and £852 in September.The cheapest return price found within the last 5 days was £501 on Delta (23 Sept–17 Dec).

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

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

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

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 9 September 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 9 September 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 9 September 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 9 September 2026.

Last-minute flights from Connecticut to Heathrow
Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 9 September 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 9 September 2026.

Connecticut to London Heathrow Airport flights typically cost between £540 and £852 in September.
The cheapest return price found within the last 5 days was £501 on Delta (23 Sept–17 Dec).