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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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
19 Mar — 26 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 17 February 2026.

Wed 18/216:30
JFK
-
LHR
1 stop10h 30m
Virgin Atlantic
Thu 19/220:00
LHR
-
JFK
Nonstop7h 55m
Virgin Atlantic
Deal found 17/2£340
Mon 23/218:25
JFK
-
LHR
1 stop10h 40m
Multiple Airlines
Wed 25/209:05
LHR
-
JFK
1 stop34h 10m
Multiple Airlines
Deal found 16/2£340
Sun 12/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Fri 24/413:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 17/2£341
Sat 28/219:01
JFK
-
LHR
Nonstop6h 54m
Virgin Atlantic
Tue 3/308:55
LHR
-
JFK
Nonstop8h 20m
Virgin Atlantic
Deal found 13/2£342
Thu 16/423:10
JFK
-
LHR
1 stop31h 45m
Icelandair
Tue 21/413:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 17/2£343
Mon 6/423:10
JFK
-
LHR
1 stop31h 45m
Icelandair
Tue 14/421:25
LHR
-
JFK
1 stop29h 40m
Icelandair
Deal found 15/2£343
Mon 11/516:45
LGA
-
LHR
1 stop14h 05m
Air Canada
Tue 19/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 16/2£344
Wed 13/515:50
JFK
-
LHR
1 stop12h 45m
Air Canada
Fri 22/514:05
LHR
-
JFK
1 stop12h 42m
Air Canada
Deal found 16/2£344
Thu 26/315:20
LGA
-
LHR
1 stop11h 50m
Air Canada
Wed 1/414:05
LHR
-
LGA
1 stop10h 26m
Air Canada
Deal found 15/2£345
Tue 24/221:00
JFK
-
LHR
1 stop15h 50m
Multiple Airlines
Thu 26/217:50
LHR
-
JFK
1 stop24h 30m
Multiple Airlines
Deal found 14/2£345
Tue 14/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Thu 7/513:05
LHR
-
JFK
1 stop14h 00m
Icelandair
Deal found 17/2£345
Thu 14/514:30
LGA
-
LHR
1 stop13h 05m
Air Canada
Tue 19/509:30
LHR
-
LGA
1 stop12h 28m
Air Canada
Deal found 16/2£347

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 17 February 2026.

Round-trip from

£340

One-way from

£140

Popular in

December

Cheapest in

January

Average price

£589
Virgin Atlantic
  • Virgin Atlantic
  • 26/3-1/4
  • 1 total stop
  • 18h 54m total
  • Connecticut to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 25/2
  • 1 total stop
  • 12h 30m total
  • Connecticut to London
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% 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 17 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

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 4/3

12:00-09:20

1 stop16h 20m

London Heathrow

Sun 8/3

09:00-21:30

1 stop16h 30m

£376

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 18/3

10:10-21:20

Nonstop7h 10m

London Heathrow

Wed 25/3

12:05-21:30

1 stop13h 25m

£376

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 28/4

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 19/5

21:25-19:15

1 stop26h 50m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 2/5

09:35-21:40

Nonstop7h 05m

London Heathrow

Mon 4/5

10:20-19:10

1 stop13h 50m

£379

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 28/4

18:20-06:25

Nonstop7h 05m

London Heathrow

Tue 12/5

07:30-19:10

1 stop16h 40m

£379

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 8/5

19:20-07:20

Nonstop7h 00m

London Heathrow

Sat 16/5

10:20-19:10

1 stop13h 50m

£379

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 19/4

09:35-21:40

Nonstop7h 05m

London Heathrow

Sat 2/5

10:20-19:10

1 stop13h 50m

£379

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 24/3

11:20-22:10

Nonstop6h 50m

London Heathrow

Wed 15/4

10:20-19:10

1 stop13h 50m

£379

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 22/4

19:20-07:20

Nonstop7h 00m

London Heathrow

Wed 29/4

10:20-19:10

1 stop13h 50m

£379

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 12/5

09:35-21:40

Nonstop7h 05m

London Heathrow

Sat 16/5

07:30-19:10

1 stop16h 40m

£379

Flights are sorted by cheapest return flights first.

Deals found on 14/2

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 £623). 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 United Airlines, Icelandair, and Finnair fly from Connecticut to London Heathrow Airport in about 7h 05m. The time it takes to get you to your destination can typically vary by up to 9h 15m. 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 £623). 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
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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