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

Airlines like Finnair, Virgin Atlantic, and United Airlines fly from Connecticut to London Heathrow Airport in about 6h 55m. The time it takes to get you to your destination can typically vary by up to 4h 45m. 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 Newark - London Heathrow. You may also consider New York John F Kennedy Intl - 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.

£173+ 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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Direct

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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 22 September 2026.

Tue 3/1117:35 -

1 stop19h 55m

Sun 8/1118:40 -

1 stop26h 05m

Deal found 17/9£451

Tue 3/1117:35 -

1 stop10h 45m

Wed 11/1110:20 -

1 stop34h 25m

Deal found 18/9£453

Tue 3/1117:35 -

2 stops17h 50m

Tue 10/1106:40 -

1 stop14h 05m

Deal found 18/9£454

Tue 3/1117:35 -

2 stops16h 00m

Sat 14/1106:40 -

1 stop14h 05m

Deal found 17/9£454

Tue 10/1117:00 -

1 stop10h 05m

Thu 12/1112:10 -

1 stop12h 19m

Deal found 18/9£455

Tue 3/1117:35 -

2 stops16h 00m

Fri 13/1119:30 -

1 stop25h 15m

Deal found 19/9£456

Wed 21/1016:55 -

1 stop11h 10m

Tue 27/1012:10 -

1 stop12h 19m

Deal found 17/9£458

Sun 11/1023:10 -

1 stop31h 45m

Tue 20/1013:05 -

1 stop14h 00m

Deal found 17/9£459

Sun 11/1023:55 -

1 stop10h 05m

Tue 20/1016:50 -

1 stop10h 35m

Deal found 17/9£460

Thu 17/1214:55 -

1 stop12h 35m

Fri 22/113:00 -

1 stop11h 06m

Deal found 19/9£460

Mon 28/921:05 -

1 stop10h 35m

Tue 6/1007:40 -

1 stop11h 00m

Deal found 18/9£460

Tue 6/1016:45 -

2 stops13h 25m

Tue 13/1021:10 -

2 stops22h 49m

Deal found 21/9£464

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 22 September 2026.

Wed 18/1118:25 -

Nonstop6h 55m

Wed 25/1107:30 -

1 stop16h 35m

Deal found 21/9£478

Mon 5/1022:00 -

Nonstop7h 20m

Wed 14/1011:30 -

1 stop12h 15m

Deal found 18/9£493

Tue 27/1015:00 -

1 stop11h 40m

Wed 28/1009:00 -

2 stops18h 59m

Deal found 18/9£513

Mon 23/1108:00 -

1 stop18h 50m

Tue 1/1211:30 -

2 stops17h 45m

Deal found 21/9£528

Mon 5/1018:55 -

2 stops17h 05m

Mon 12/1021:05 -

2 stops23h 35m

Deal found 19/9£532

Tue 20/1006:02 -

1 stop19h 23m

Tue 27/1011:20 -

1 stop16h 23m

Deal found 22/9£556

Wed 4/1115:30 -

1 stop10h 40m

Sat 7/1113:00 -

1 stop11h 06m

Deal found 21/9£618

Wed 2/1221:45 -

Nonstop6h 55m

Wed 9/1210:20 -

1 stop13h 45m

Deal found 21/9£478

Sun 11/1019:00 -

Nonstop7h 15m

Thu 22/1011:45 -

Nonstop8h 14m

Deal found 18/9£499

Sun 27/917:30 -

1 stop11h 30m

Tue 29/906:50 -

2 stops16h 51m

Deal found 19/9£518

Mon 19/1019:15 -

Nonstop7h 05m

Fri 15/107:30 -

1 stop16h 35m

Deal found 19/9£481

Sat 10/1008:15 -

Nonstop6h 55m

Wed 14/1011:45 -

1 stop10h 20m

Deal found 22/9£532

Tue 3/1117:25 -

1 stop13h 15m

Tue 10/1111:30 -

2 stops17h 11m

Deal found 18/9£504

Tue 3/1115:00 -

1 stop11h 50m

Tue 10/1108:55 -

1 stop13h 59m

Deal found 19/9£556

Fri 9/1019:29 -

1 stop30h 26m

Sun 11/1011:05 -

2 stops41h 25m

Deal found 20/9£519

Tue 10/1108:00 -

1 stop18h 50m

Sun 15/1111:45 -

2 stops16h 51m

Deal found 17/9£544

Tue 20/1015:30 -

1 stop12h 55m

Tue 27/1015:35 -

Nonstop8h 00m

Deal found 20/9£499

Tue 15/1217:40 -

1 stop14h 15m

Sat 19/1217:30 -

1 stop25h 25m

Deal found 18/9£619

Sat 26/919:25 -

1 stop13h 15m

Mon 28/906:50 -

1 stop11h 10m

Deal found 18/9£524

Sun 18/1017:00 -

1 stop11h 15m

Sun 25/1017:20 -

1 stop19h 10m

Deal found 19/9£550

Sun 27/918:20 -

Nonstop7h 05m

Tue 6/1014:10 -

Nonstop7h 50m

Deal found 17/9£502

Tue 20/1006:02 -

2 stops20h 08m

Tue 27/1016:00 -

2 stops24h 17m

Deal found 22/9£559

Tue 17/1117:02 -

1 stop33h 53m

Fri 20/1106:50 -

2 stops22h 09m

Deal found 21/9£524

Thu 24/1218:30 -

2 stops16h 30m

Tue 29/1206:40 -

1 stop12h 15m

Deal found 21/9£652

Sun 1/1113:15 -

3 stops24h 15m

Sun 8/1120:35 -

2 stops31h 04m

Deal found 17/9£746

Wed 3/306:00 -

2 stops20h 05m

Fri 12/308:55 -

2 stops19h 48m

Deal found 18/9£564

Thu 3/1208:05 -

Nonstop6h 55m

Wed 9/1207:30 -

1 stop16h 35m

Deal found 17/9£516

Thu 19/1113:00 -

1 stop12h 25m

Wed 25/1111:45 -

2 stops16h 38m

Deal found 17/9£608

Sun 18/1006:00 -

1 stop23h 40m

Sun 25/1013:00 -

1 stop31h 53m

Deal found 18/9£554

Thu 15/1019:15 -

Nonstop7h 05m

Wed 13/110:20 -

1 stop13h 45m

Deal found 17/9£516

Find flight deals from Connecticut to Heathrow

Round-trip from	£451
One-way from	£173
Popular in	June
Cheapest in	January
Average price	£683

Scandinavian Airlines
3/11-8/11
2 total stops
46h 00m total
Connecticut to London

Search Deals

British Airways
13/12-31/12
1 total stop
21h 05m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% 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

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 19/10

06:00-06:30

2 stops19h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£214

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 22/10

16:00-06:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 2/10

18:30-06:45

Nonstop7h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Fri 23/10

08:10-06:25

1 stop17h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 25/11

09:25-21:20

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 18/11

21:35-09:30

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Mon 19/10

07:30-06:30

1 stop18h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

Fastest return journey

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 20/10

09:35-21:25

Nonstop6h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 18/11

09:25-21:20

Nonstop6h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Fri 16/10

08:20-20:40

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£220

Flights are sorted by cheapest return flights first.

Deals found on 21/9

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

BDL-LHR

EWR-LHR

PVD-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

BDL-LHR

EWR-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 £474). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,158). 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 £591 and £892 in October.
The cheapest return price found within the last 5 days was £473 on Aer Lingus (18 Oct–3 Nov).

Related info for your journey

How long is the flight from Connecticut to London Heathrow Airport?
Airlines like Finnair, Virgin Atlantic, and United Airlines fly from Connecticut to London Heathrow Airport in about 6h 55m. The time it takes to get you to your destination can typically vary by up to 4h 45m. 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 Newark - London Heathrow. You may also consider New York John F Kennedy Intl - 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 £474). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,158). 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 £173

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. 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 22 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 22 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 22 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 22 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 22 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 22 September 2026.

Last-minute flights from Connecticut to HeathrowDiscover last-minute flight deals from Connecticut to Heathrow. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 22 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 22 September 2026.

Search for one-way flight options from Connecticut to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 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 £591 and £892 in October.The cheapest return price found within the last 5 days was £473 on Aer Lingus (18 Oct–3 Nov).

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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Complete your trip

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Direct flights to England

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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 22 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 22 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 22 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 22 September 2026.

Last-minute flights from Connecticut to Heathrow
Discover last-minute flight deals from Connecticut to Heathrow. Data last updated 22 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 22 September 2026.

Connecticut to London Heathrow Airport flights typically cost between £591 and £892 in October.
The cheapest return price found within the last 5 days was £473 on Aer Lingus (18 Oct–3 Nov).