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Cheap flights from Connecticut to London Heathrow Airport from £138

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Connecticut to Heathrow

Keep the following information in mind while searching for Connecticut to Heathrow flight deals. Data was last updated 15 January 2026.

Round-trip from

£354

One-way from

£138

Popular in

June

Cheapest in

January

Average price

£539
Air Canada
  • Air Canada
  • 11/2-11/3
  • 2 total stops
  • 22h 58m total
  • Connecticut to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 25/1
  • 1 total stop
  • 14h 30m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 15 January 2026.

Wed 21/115:20
LGA
-
LHR
1 stop10h 50m
Air Canada
Thu 5/213:25
LHR
-
LGA
1 stop10h 37m
Air Canada
Deal found 14/1£354
Wed 25/209:35
JFK
-
LHR
Nonstop7h 05m
JetBlue
Fri 6/308:05
LHR
-
JFK
Nonstop8h 24m
JetBlue
Deal found 14/1£354
Wed 1/409:50
JFK
-
LHR
Nonstop6h 50m
British Airways
Tue 14/409:50
LHR
-
JFK
1 stop12h 05m
British Airways
Deal found 14/1£355
Sun 8/215:30
LGA
-
LHR
1 stop12h 00m
Multiple Airlines
Mon 23/219:25
LHR
-
LGA
2 stops28h 38m
Multiple Airlines
Deal found 14/1£356
Thu 29/118:25
JFK
-
LHR
Nonstop6h 55m
American Airlines
Tue 10/208:50
LHR
-
JFK
1 stop15h 39m
American Airlines
Deal found 14/1£356
Sun 15/317:40
LGA
-
LHR
1 stop9h 30m
Air Canada
Tue 31/309:30
LHR
-
LGA
1 stop10h 28m
Air Canada
Deal found 14/1£356
Sun 1/216:25
JFK
-
LHR
1 stop10h 40m
SWISS
Thu 12/206:00
LHR
-
JFK
1 stop12h 05m
SWISS
Deal found 13/1£356
Wed 11/210:05
JFK
-
LHR
1 stop16h 05m
United Airlines
Wed 18/209:00
LHR
-
JFK
1 stop12h 40m
United Airlines
Deal found 14/1£357
Sun 1/221:50
JFK
-
LHR
Nonstop6h 50m
Iberia
Sun 8/211:25
LHR
-
JFK
1 stop12h 50m
Iberia
Deal found 13/1£358
Sun 3/515:25
LGA
-
LHR
1 stop11h 35m
British Airways
Wed 13/509:50
LHR
-
LGA
2 stops16h 25m
British Airways
Deal found 14/1£359
Wed 28/115:20
LGA
-
LHR
1 stop10h 50m
Multiple Airlines
Wed 4/213:25
LHR
-
LGA
1 stop10h 37m
Multiple Airlines
Deal found 14/1£359
Fri 27/217:00
JFK
-
LHR
1 stop10h 05m
Aer Lingus
Fri 6/312:10
LHR
-
JFK
1 stop12h 19m
Aer Lingus
Deal found 13/1£359

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 15 January 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

Tue 31/3

09:50-21:40

Nonstop6h 50m

London Heathrow

Tue 7/4

07:30-19:10

1 stop16h 40m

£357

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 18/3

09:45-09:20

2 stops19h 35m

London Heathrow

Wed 25/3

12:05-14:05

1 stop30h 00m

£360

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 31/1

09:53-22:00

Nonstop7h 07m

London Heathrow

Wed 11/2

07:25-10:48

Nonstop8h 23m

£365

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 24/1

09:53-22:00

Nonstop7h 07m

London Heathrow

Thu 29/1

07:25-10:46

Nonstop8h 21m

£365

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 24/4

18:55-09:20

1 stop33h 25m

London Heathrow

Mon 27/4

07:05-15:40

1 stop13h 35m

£367

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 7/3

21:50-09:40

Nonstop6h 50m

London Heathrow

Sun 15/3

10:20-20:05

1 stop13h 45m

£368

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 5/4

09:50-21:40

Nonstop6h 50m

London Heathrow

Sun 19/4

10:20-19:10

1 stop13h 50m

£369

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 13/5

07:50-19:45

Nonstop6h 55m

London Heathrow

Mon 18/5

07:30-19:10

1 stop16h 40m

£369

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 1/5

15:45-21:00

2 stops48h 15m

London Heathrow

Thu 14/5

13:50-12:50

1 stop28h 00m

£373

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 8/4

11:00-06:55

1 stop14h 55m

London Heathrow

Sat 18/4

07:30-19:10

1 stop16h 40m

£373

Flights are sorted by cheapest return flights first.

Deals found on 14/1

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 £637). 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 JetBlue fly from Connecticut to London Heathrow Airport in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 12h 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 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 £637). 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
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Boston to Heathrow flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
Dallas/Fort Worth to Heathrow flights
San Francisco to Heathrow flights
John F Kennedy Intl to Stansted flights
Baltimore to Heathrow flights
LaGuardia to Gatwick flights
Boston to Gatwick flights
Seattle to Heathrow flights
Miami to Heathrow flights
Newark to Stansted flights
Atlanta to Heathrow flights
Newark to London City flights
Newark to Luton flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Boston to London City flights
Dulles Intl to Gatwick flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Boston to Stansted flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
Los Angeles to London City flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Stansted flights
Los Angeles to Stansted flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Raleigh to Heathrow flights
Austin to Heathrow flights
Boston to Luton flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Connecticut to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from Connecticut to Heathrow?

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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.

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