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

Airlines like United Airlines and JetBlue fly from Connecticut to London Heathrow Airport in about 9h 55m. The time it takes to get you to your destination can typically vary by up to 23h 58m. Airlines will cover a distance of 3340 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.

£218+ Cheap Flights from Connecticut to London Heathrow Airport

Cheap flight deals from Connecticut to Heathrow

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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 29 October 2026.

Mon 16/1110:37 -

2 stops20h 23m

Wed 18/1109:00 -

2 stops19h 59m

Deal found 27/10£543

Tue 17/1117:02 -

2 stops33h 08m

Fri 20/1107:00 -

2 stops16h 42m

Deal found 26/10£552

Sun 15/1117:02 -

1 stop33h 53m

Wed 18/1106:50 -

2 stops16h 52m

Deal found 27/10£553

Sat 31/1018:55 -

1 stop9h 10m

Sat 14/1109:50 -

1 stop11h 35m

Deal found 25/10£568

Fri 4/1206:00 -

1 stop9h 55m

Mon 7/1212:20 -

1 stop16h 37m

Deal found 28/10£583

Tue 10/1106:00 -

1 stop10h 40m

Sun 15/1107:45 -

1 stop20h 47m

Deal found 28/10£595

Tue 27/1018:55 -

1 stop9h 10m

Thu 5/1108:50 -

1 stop12h 35m

Deal found 24/10£596

Sat 7/1117:55 -

1 stop9h 10m

Sat 14/1107:50 -

1 stop13h 35m

Deal found 26/10£605

Fri 4/1206:00 -

2 stops20h 55m

Sun 6/1207:30 -

2 stops16h 47m

Deal found 27/10£613

Find flight deals from Connecticut to Heathrow

Round-trip from	£542
One-way from	£218
Popular in	June
Cheapest in	January
Average price	£637

United Airlines
9/3-10/3
3 total stops
46h 28m total
Connecticut to London

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JetBlue
9/11-31/12
1 total stop
10h 40m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£70 potential increase over avg. return price).

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

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

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HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 9/11

06:00-21:40

1 stop10h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 10/11

06:00-21:40

1 stop10h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£225

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 26/11

12:57-07:15

2 stops13h 18m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£235

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 9/11

12:57-09:55

2 stops15h 58m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£235

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 10/11

06:00-06:20

2 stops19h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£238

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 24/11

10:37-12:00

2 stops20h 23m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£238

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 25/11

09:37-12:00

1 stop21h 23m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£238

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 30/11

06:00-06:40

1 stop19h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£238

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Wed 9/12

06:00-07:10

3 stops20h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£241

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 9/11

10:37-08:30

3 stops16h 53m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£247

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 19 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.

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

BDL-LHR

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

Currently, April is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £664). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,165). 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 £643 and £761 in March.
The cheapest return price found within the last 5 days was £542 on United Airlines (9 Mar–10 Mar).

Related info for your journey

How long is the flight from Connecticut to London Heathrow Airport?
Airlines like United Airlines and JetBlue fly from Connecticut to London Heathrow Airport in about 9h 55m. The time it takes to get you to your destination can typically vary by up to 23h 58m. Airlines will cover a distance of 3340 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, April is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £664). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,165). 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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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 £218

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. 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 29 October 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 29 October 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 29 October 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 29 October 2026.

Last-minute flights from Connecticut to HeathrowDiscover last-minute flight deals from Connecticut to Heathrow. Data last updated 29 October 2026 and is based on user searches.

Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 29 October 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 29 October 2026.

Search for one-way flight options from Connecticut to Heathrow. Find affordable one-way fares based on user searches. Data last updated 29 October 2026.

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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 £643 and £761 in March.The cheapest return price found within the last 5 days was £542 on United Airlines (9 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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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 29 October 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 29 October 2026.

Last-minute flights from Connecticut to Heathrow
Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 29 October 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 29 October 2026.

Connecticut to London Heathrow Airport flights typically cost between £643 and £761 in March.
The cheapest return price found within the last 5 days was £542 on United Airlines (9 Mar–10 Mar).