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Cheap flights from Connecticut to London Heathrow Airport from £158

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
14 Aug — 21 Aug1
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 15 July 2026.

Sat 3/1020:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Thu 8/1021:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 14/7£427
Sun 13/1219:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Sun 20/1220:35
LHR
-
JFK
1 stop26h 05m
Icelandair
Deal found 15/7£428
Wed 7/1020:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 12/1021:25
LHR
-
JFK
1 stop29h 40m
Icelandair
Deal found 15/7£429
Sun 4/1023:10
JFK
-
LHR
1 stop31h 45m
Icelandair
Sun 18/1021:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 13/7£430
Wed 7/1020:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 13/1013:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 13/7£430
Mon 28/918:55
JFK
-
LHR
2 stops45h 40m
Scandinavian Airlines
Thu 1/1015:35
LHR
-
JFK
1 stop29h 05m
Scandinavian Airlines
Deal found 14/7£431
Sun 23/820:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Sat 5/1212:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 14/7£432
Tue 29/920:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 6/1013:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 14/7£433
Tue 29/920:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Thu 8/1021:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 14/7£433
Sun 13/923:10
JFK
-
LHR
1 stop31h 45m
Icelandair
Thu 1/1021:25
LHR
-
JFK
1 stop26h 55m
Icelandair
Deal found 15/7£434
Tue 8/917:10
JFK
-
LHR
2 stops34h 45m
Scandinavian Airlines
Fri 11/907:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Deal found 13/7£435
Sun 27/920:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Sat 19/1220:35
LHR
-
JFK
1 stop26h 05m
Icelandair
Deal found 13/7£436

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 15 July 2026.

Round-trip from

£427

One-way from

£158

Popular in

June

Cheapest in

January

Average price

£691
Icelandair
  • Icelandair
  • 3/10-8/10
  • 2 total stops
  • 37h 20m total
  • Connecticut to London
Search Deals
Icelandair
  • Icelandair
  • 8/9
  • 1 total stop
  • 18h 50m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 15 July 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

Cheapest return flight

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 10/10

18:55-16:25

2 stops16h 30m

London Heathrow

Sat 17/10

17:30-15:40

2 stops27h 10m

£505

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 9/9

17:10-09:35

1 stop11h 25m

London Heathrow

Sat 3/10

10:20-17:00

1 stop11h 40m

£507

ProvidenceLondon

PVD - LHR

PVDLHR

Providence-TFGreen

Tue 10/11

16:40-07:55

1 stop34h 15m

London Heathrow

Fri 13/11

06:50-23:44

2 stops21h 54m

£552

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 10/8

18:55-18:50

2 stops18h 55m

London Heathrow

Tue 25/8

07:05-15:40

1 stop13h 35m

£561

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 7/10

08:15-20:10

Nonstop6h 55m

London Heathrow

Tue 20/10

18:40-11:45

1 stop22h 05m

£581

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 31/7

17:25-05:55

Nonstop7h 30m

London Heathrow

Wed 16/9

08:40-20:15

1 stop16h 35m

£581

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/11

18:00-06:20

Nonstop7h 20m

London Heathrow

Sat 7/11

12:05-20:30

1 stop13h 25m

£581

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 29/9

18:30-06:40

Nonstop7h 10m

London Heathrow

Mon 5/10

10:20-19:10

1 stop13h 50m

£583

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 16/11

20:40-08:40

Nonstop7h 00m

London Heathrow

Sun 22/11

10:20-19:05

1 stop13h 45m

£583

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 3/9

18:10-06:25

Nonstop7h 15m

London Heathrow

Sat 3/10

07:05-13:07

1 stop11h 02m

£585

Flights are sorted by cheapest return flights first.

Deals found on 15/7

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 June is currently the most expensive (average of £761). 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?

How far ahead should I book a flight from Connecticut to London Heathrow Airport?

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Connecticut to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 Scandinavian Airlines, 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 27h 20m. 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 June is currently the most expensive (average of £761). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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