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Cheap flights from Connecticut to London Heathrow Airport from £140

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Connecticut to Heathrow

Enter your travel dates to find the best prices.

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 4 February 2026.

Fri 6/219:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 9/220:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 2/2£335
Tue 10/320:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 17/312:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 3/2£336
Mon 23/219:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Wed 4/320:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 3/2£337
Sat 9/520:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Sun 24/521:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 2/2£338
Mon 23/219:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 3/312:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 3/2£338
Wed 25/320:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Sun 19/421:25
LHR
-
JFK
1 stop29h 40m
Icelandair
Deal found 3/2£339
Tue 31/317:35
LGA
-
LHR
1 stop11h 25m
Air Canada
Tue 7/409:30
LHR
-
LGA
1 stop15h 01m
Air Canada
Deal found 3/2£340
Wed 25/219:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 2/320:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 3/2£340
Tue 3/218:25
JFK
-
LHR
Nonstop6h 55m
British Airways
Tue 10/210:05
LHR
-
JFK
Nonstop8h 00m
British Airways
Deal found 2/2£340
Fri 17/423:25
JFK
-
LHR
1 stop15h 40m
Multiple Airlines
Wed 22/409:55
LHR
-
JFK
1 stop16h 45m
Multiple Airlines
Deal found 3/2£341
Mon 2/219:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 9/220:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 1/2£342
Tue 3/222:00
JFK
-
LHR
1 stop14h 30m
TAP AIR PORTUGAL
Tue 10/208:15
LHR
-
JFK
1 stop16h 50m
TAP AIR PORTUGAL
Deal found 2/2£343

Find flight deals from Connecticut to Heathrow

Keep the following information in mind while searching for Connecticut to Heathrow flight deals. Data was last updated 4 February 2026.

Round-trip from

£335

One-way from

£140

Popular in

June

Cheapest in

January

Average price

£577
Icelandair
  • Icelandair
  • 25/3-16/4
  • 2 total stops
  • 21h 40m total
  • Connecticut to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 24/2
  • 1 total stop
  • 14h 30m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Connecticut to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

Fly from

Connecticut

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 16/3

11:15-22:10

Nonstop6h 55m

London Heathrow

Thu 19/3

07:10-15:05

1 stop11h 55m

£372

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 5/3

09:10-21:20

Nonstop7h 10m

London Heathrow

Wed 11/3

09:00-21:30

1 stop16h 30m

£374

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 16/3

23:40-11:05

Nonstop7h 25m

London Heathrow

Tue 24/3

12:05-21:30

1 stop13h 25m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 23/3

11:15-22:10

Nonstop6h 55m

London Heathrow

Mon 6/4

07:30-19:10

1 stop16h 40m

£374

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 23/2

09:10-21:20

Nonstop7h 10m

London Heathrow

Wed 4/3

12:05-20:30

1 stop13h 25m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 16/4

09:35-21:40

Nonstop7h 05m

London Heathrow

Tue 21/4

10:20-19:10

1 stop13h 50m

£376

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 22/2

10:05-09:20

1 stop18h 15m

London Heathrow

Fri 27/2

09:00-16:40

1 stop12h 40m

£376

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 18/2

06:00-10:50

1 stop23h 50m

London Heathrow

Sun 22/2

13:25-11:58

1 stop27h 33m

£378

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 27/2

14:20-06:30

1 stop11h 10m

London Heathrow

Wed 4/3

12:05-20:30

1 stop13h 25m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 27/2

16:50-11:20

1 stop13h 30m

London Heathrow

Fri 6/3

09:00-16:40

1 stop12h 40m

£378

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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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.
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

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

Currently, October is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £12). Flying from Connecticut to London Heathrow Airport in July is currently the most expensive (average of £625). 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.

Related info for your journey

Find useful and relevant information for your journey from Connecticut to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Finnair, United Airlines, and Delta 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 2h 57m. 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, October is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £12). Flying from Connecticut to London Heathrow Airport in July is currently the most expensive (average of £625). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Connecticut to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
LaGuardia to Gatwick flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Newark to Stansted flights
Orlando to Heathrow flights
Miami to Heathrow flights
Newark to Luton flights
Newark to London City flights
Dulles Intl to Gatwick flights
Denver to Heathrow flights
Boston to London City flights
Reagan-National to Heathrow flights
Hobby to Heathrow flights
Boston to Stansted flights
Dulles Intl to London City flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
San Francisco to Gatwick flights
Austin to Heathrow flights
O'Hare Intl to Stansted flights
Detroit to Heathrow flights
O'Hare Intl to London City flights
Los Angeles to London City flights
Tampa to Heathrow flights
Seattle to Gatwick flights
Raleigh to Heathrow flights
Charlotte to Heathrow flights

Fly with Cheapflights

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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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