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

Airlines like Finnair, Scandinavian Airlines, and JetBlue fly from Connecticut to London Heathrow Airport in about 7h. The time it takes to get you to your destination can typically vary by up to 9h. 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.

£155+ 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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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 17 September 2026.

Tue 13/1015:30 -

1 stop10h 00m

Tue 20/1009:30 -

1 stop10h 06m

Deal found 13/9£445

Wed 14/1021:05 -

1 stop11h 25m

Wed 21/1016:50 -

1 stop10h 35m

Deal found 14/9£445

Fri 27/1116:30 -

2 stops12h 40m

Sun 6/1219:45 -

2 stops24h 53m

Deal found 12/9£446

Wed 11/1117:35 -

2 stops59h 00m

Sun 15/1106:40 -

1 stop14h 05m

Deal found 14/9£446

Tue 13/1016:45 -

2 stops13h 25m

Tue 20/1021:10 -

2 stops22h 49m

Deal found 12/9£447

Thu 15/1017:10 -

1 stop11h 25m

Thu 29/1017:00 -

1 stop27h 45m

Deal found 14/9£447

Thu 29/1014:25 -

2 stops14h 40m

Sun 8/1120:45 -

2 stops24h 00m

Deal found 13/9£448

Thu 5/1123:45 -

1 stop28h 25m

Tue 10/1109:55 -

1 stop17h 05m

Deal found 15/9£448

Wed 11/1122:05 -

1 stop13h 30m

Tue 17/1109:15 -

1 stop13h 35m

Deal found 14/9£448

Thu 29/1014:55 -

2 stops14h 10m

Sun 8/1120:45 -

2 stops23h 53m

Deal found 13/9£449

Sat 10/1023:50 -

1 stop28h 20m

Tue 27/409:55 -

1 stop17h 05m

Deal found 12/9£449

Sun 20/917:30 -

2 stops12h 40m

Tue 29/921:10 -

2 stops23h 36m

Deal found 12/9£450

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 17 September 2026.

Tue 3/1110:10 -

Nonstop7h 00m

Tue 10/1110:20 -

1 stop13h 45m

Deal found 15/9£477

Thu 15/1017:10 -

2 stops14h 45m

Tue 20/1021:05 -

2 stops23h 35m

Deal found 12/9£485

Sun 20/909:30 -

1 stop16h 00m

Thu 1/1011:55 -

Nonstop8h 15m

Deal found 13/9£503

Sat 16/117:40 -

1 stop33h 10m

Tue 26/108:55 -

1 stop14h 05m

Deal found 12/9£521

Mon 5/1018:10 -

1 stop11h 05m

Wed 7/1007:00 -

1 stop12h 20m

Deal found 14/9£522

Sun 18/1020:15 -

Nonstop7h 35m

Mon 26/1011:35 -

Nonstop8h 20m

Deal found 15/9£535

Thu 15/1019:00 -

2 stops20h 20m

Wed 21/1021:25 -

2 stops29h 54m

Deal found 17/9£547

Tue 27/1013:14 -

1 stop15h 46m

Tue 3/1112:40 -

1 stop15h 02m

Deal found 12/9£555

Sun 7/318:30 -

Nonstop7h 00m

Sun 14/316:25 -

Nonstop8h 10m

Deal found 12/9£610

Wed 28/1000:25 -

2 stops18h 15m

Sun 1/1112:25 -

2 stops15h 05m

Deal found 13/9£611

Sat 17/1015:30 -

1 stop10h 00m

Tue 20/1014:05 -

1 stop10h 31m

Deal found 15/9£616

Mon 12/1017:10 -

1 stop11h 25m

Mon 19/1009:55 -

2 stops34h 45m

Deal found 16/9£501

Wed 14/1018:10 -

Nonstop7h 15m

Sun 1/1110:20 -

1 stop13h 45m

Deal found 15/9£518

Fri 13/1110:37 -

2 stops20h 23m

Sun 15/1106:50 -

2 stops22h 09m

Deal found 14/9£524

Tue 15/1212:56 -

1 stop13h 49m

Fri 25/1216:35 -

Nonstop8h 25m

Deal found 16/9£524

Tue 27/1016:00 -

1 stop11h 50m

Sun 8/1108:40 -

2 stops15h 55m

Deal found 15/9£541

Wed 9/1218:10 -

Nonstop7h 05m

Mon 14/1207:30 -

1 stop16h 35m

Deal found 12/9£518

Tue 17/1117:02 -

2 stops33h 08m

Fri 20/1106:50 -

2 stops22h 09m

Deal found 16/9£524

Mon 23/1111:39 -

1 stop19h 01m

Tue 1/1211:30 -

2 stops17h 33m

Deal found 13/9£527

Fri 27/1106:00 -

1 stop20h 50m

Fri 4/1211:45 -

2 stops17h 00m

Deal found 13/9£587

Sat 10/1022:00 -

Nonstop7h 25m

Sat 24/1020:25 -

1 stop28h 40m

Deal found 15/9£590

Wed 21/1012:59 -

1 stop12h 26m

Sun 25/1016:00 -

1 stop21h 38m

Deal found 15/9£547

Wed 2/1221:50 -

Nonstop6h 55m

Sun 6/1210:20 -

1 stop13h 45m

Deal found 14/9£518

Wed 30/918:30 -

Nonstop7h 15m

Mon 5/1008:20 -

Nonstop8h 10m

Deal found 13/9£536

Sun 29/1106:00 -

1 stop19h 40m

Mon 30/1113:45 -

2 stops38h 59m

Deal found 14/9£541

Tue 29/913:01 -

1 stop12h 24m

Wed 28/1012:40 -

1 stop15h 10m

Deal found 15/9£554

Wed 9/1213:30 -

1 stop14h 30m

Sat 19/1208:55 -

2 stops19h 29m

Deal found 13/9£542

Mon 5/1012:38 -

1 stop14h 52m

Tue 13/1006:50 -

2 stops19h 47m

Deal found 15/9£547

Tue 13/1017:00 -

1 stop20h 35m

Thu 15/1012:25 -

1 stop16h 23m

Deal found 15/9£561

Wed 11/1106:00 -

1 stop22h 00m

Sun 15/1108:55 -

2 stops19h 46m

Deal found 13/9£542

Find flight deals from Connecticut to Heathrow

Round-trip from	£388
One-way from	£155
Popular in	June
Cheapest in	January
Average price	£680

Scandinavian Airlines
5/2-8/2
3 total stops
48h 15m total
Connecticut to London

Search Deals

British Airways
16/2-31/12
1 total stop
12h 18m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 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

Fastest return journey

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Fri 25/9

09:35-21:25

Nonstop6h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 24/2

18:30-06:30

Nonstop7h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 25/10

09:45-20:55

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 10/12

09:39-09:10

2 stops18h 31m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Thu 11/3

21:00-09:10

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 10/11

08:05-20:00

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Sun 4/10

22:00-10:25

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 6/10

18:30-06:40

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 21/10

09:35-21:25

Nonstop6h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Sun 15/11

21:05-09:10

Nonstop7h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£219

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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.

EWR-LHR

JFK-LHR

BDL-LHR

PVD-LHR

LGA-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

EWR-LHR

JFK-LHR

BDL-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 £471). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,153). 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 £556 and £1,021 in March.
The cheapest return price found within the last 5 days was £453 on Virgin Atlantic (1 Mar–10 Mar).

Related info for your journey

How long is the flight from Connecticut to London Heathrow Airport?
Airlines like Finnair, Scandinavian Airlines, and JetBlue fly from Connecticut to London Heathrow Airport in about 7h. The time it takes to get you to your destination can typically vary by up to 9h. 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 £471). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,153). 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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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 £155

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 17 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 17 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 17 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 17 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 17 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 17 September 2026.

Last-minute flights from Connecticut to HeathrowDiscover last-minute flight deals from Connecticut to Heathrow. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 17 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 17 September 2026.

Search for one-way flight options from Connecticut to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 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 £556 and £1,021 in March.The cheapest return price found within the last 5 days was £453 on Virgin Atlantic (1 Mar–10 Mar).

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 17 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 17 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 17 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 17 September 2026.

Last-minute flights from Connecticut to Heathrow
Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 17 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 17 September 2026.

Connecticut to London Heathrow Airport flights typically cost between £556 and £1,021 in March.
The cheapest return price found within the last 5 days was £453 on Virgin Atlantic (1 Mar–10 Mar).