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Cheap flights from Connecticut to London Heathrow Airport from £142

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
30 Mar — 6 Apr1
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 28 February 2026.

Mon 20/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Sat 25/421:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 24/2£342
Mon 13/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Sat 18/421:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 25/2£343
Mon 20/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Thu 21/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 27/2£344
Sun 26/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Thu 7/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 25/2£345
Sat 25/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Sat 2/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 25/2£346
Mon 20/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Fri 1/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 25/2£347
Tue 28/423:10
JFK
-
LHR
1 stop16h 10m
Icelandair
Tue 5/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 24/2£348
Mon 13/420:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 4/513:05
LHR
-
JFK
1 stop14h 00m
Icelandair
Deal found 27/2£348
Mon 7/914:00
JFK
-
LHR
1 stop11h 45m
Virgin Atlantic
Thu 17/906:15
LHR
-
JFK
1 stop14h 35m
Virgin Atlantic
Deal found 24/2£349
Thu 26/219:01
JFK
-
LHR
Nonstop6h 54m
Multiple Airlines
Thu 5/316:35
LHR
-
JFK
Nonstop7h 55m
Multiple Airlines
Deal found 24/2£350
Mon 2/322:00
JFK
-
LHR
1 stop14h 30m
TAP AIR PORTUGAL
Wed 11/306:00
LHR
-
JFK
1 stop19h 05m
TAP AIR PORTUGAL
Deal found 24/2£351
Sat 2/520:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Fri 8/513:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 24/2£351

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 28 February 2026.

Round-trip from

£342

One-way from

£142

Popular in

December

Cheapest in

January

Average price

£564
Icelandair
  • Icelandair
  • 20/4-25/4
  • 2 total stops
  • 37h 20m total
  • Connecticut to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 30/3
  • 1 total stop
  • 14h 40m total
  • Connecticut to London
Search Deals
High demand for flights, 0% 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 28 February 2026.
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

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 31/3

18:50-12:50

1 stop13h 00m

London Heathrow

Mon 6/4

07:30-19:10

1 stop16h 40m

£382

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 30/3

14:30-06:55

1 stop11h 25m

London Heathrow

Fri 10/4

07:00-13:11

1 stop11h 11m

£392

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 23/4

18:00-06:20

Nonstop7h 20m

London Heathrow

Mon 11/5

06:30-12:24

1 stop10h 54m

£396

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 25/4

14:00-07:15

1 stop12h 15m

London Heathrow

Wed 29/4

13:25-21:29

1 stop13h 04m

£411

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 16/4

13:10-07:10

1 stop13h 00m

London Heathrow

Sun 19/4

18:55-08:30

1 stop18h 35m

£411

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 19/4

19:00-13:15

1 stop13h 15m

London Heathrow

Fri 24/4

13:25-23:41

1 stop15h 16m

£411

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 16/3

18:40-12:55

1 stop14h 15m

London Heathrow

Tue 24/3

15:35-14:35

2 stops27h 00m

£420

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 8/5

10:40-21:00

2 stops29h 20m

London Heathrow

Sat 16/5

09:05-20:05

1 stop16h 00m

£426

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 20/4

17:45-12:55

2 stops14h 10m

London Heathrow

Sun 3/5

06:40-13:15

1 stop11h 35m

£430

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 7/8

18:00-06:20

Nonstop7h 20m

London Heathrow

Fri 21/8

19:50-22:35

Nonstop7h 45m

£431

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £627). 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?

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, KLM, and Virgin Atlantic fly from Connecticut to London Heathrow Airport in about 7h 20m. The time it takes to get you to your destination can typically vary by up to 5h 40m. 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 £627). 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
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

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