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Cheap flights from Connecticut to London Heathrow Airport from £202

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
5 Jun — 12 Jun1
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 6 May 2026.

Fri 16/1020:55
JFK
-
LHR
Nonstop7h 15m
British Airways
Tue 20/1017:25
LHR
-
JFK
Nonstop7h 55m
British Airways
Deal found 1/5£451
Fri 2/1018:55
JFK
-
LHR
1 stop16h 05m
Scandinavian Airlines
Sun 4/1006:40
LHR
-
JFK
2 stops15h 20m
Scandinavian Airlines
Deal found 1/5£452
Fri 18/917:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Sun 20/906:40
LHR
-
JFK
2 stops15h 20m
Scandinavian Airlines
Deal found 3/5£455
Tue 6/1023:25
JFK
-
LHR
1 stop15h 40m
LEVEL
Mon 19/1020:50
LHR
-
JFK
1 stop29h 50m
LEVEL
Deal found 1/5£461
Fri 20/1119:25
JFK
-
LHR
1 stop19h 05m
Icelandair
Sat 28/1112:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 1/5£464
Fri 20/1119:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 30/1112:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 3/5£465
Sun 22/1119:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Fri 27/1120:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 4/5£466
Tue 29/923:25
JFK
-
LHR
1 stop15h 40m
LEVEL
Tue 13/1009:55
LHR
-
JFK
1 stop16h 45m
LEVEL
Deal found 5/5£468
Wed 7/1020:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 13/1013:05
LHR
-
JFK
1 stop14h 00m
Icelandair
Deal found 1/5£469
Sun 11/1023:25
JFK
-
LHR
1 stop28h 45m
LEVEL
Mon 19/1020:50
LHR
-
JFK
1 stop29h 50m
LEVEL
Deal found 3/5£470
Wed 25/1119:35
EWR
-
LHR
1 stop18h 55m
Icelandair
Mon 30/1112:15
LHR
-
EWR
1 stop11h 10m
Icelandair
Deal found 3/5£483
Sat 10/1017:20
EWR
-
LHR
1 stop34h 35m
Scandinavian Airlines
Tue 13/1006:40
LHR
-
EWR
1 stop13h 19m
Scandinavian Airlines
Deal found 1/5£484

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 6 May 2026.

Round-trip from

£451

One-way from

£202

Popular in

June

Cheapest in

January

Average price

£721
British Airways
  • British Airways
  • 16/10-20/10
  • Nonstop
  • 15h 10m total
  • Connecticut to London
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 18h 35m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£86 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 May 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 6 May 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

Tue 25/8

07:50-19:45

Nonstop6h 55m

London Heathrow

Mon 7/9

07:35-12:59

1 stop10h 24m

£552

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 14/8

14:35-06:45

1 stop11h 10m

London Heathrow

Sun 30/8

08:40-14:35

1 stop10h 55m

£560

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 25/9

17:35-05:55

Nonstop7h 20m

London Heathrow

Sat 19/12

18:00-21:30

Nonstop8h 30m

£562

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 28/9

20:20-21:00

1 stop19h 40m

London Heathrow

Wed 28/10

12:50-17:20

Nonstop8h 30m

£562
Fastest return journey

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 16/8

09:30-21:20

Nonstop6h 50m

London Heathrow

Tue 8/9

07:45-10:30

Nonstop7h 45m

£562

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 1/8

15:00-08:35

1 stop12h 35m

London Heathrow

Thu 20/8

15:20-18:40

Nonstop8h 20m

£563

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 12/10

10:29-06:55

1 stop15h 26m

London Heathrow

Sat 17/10

09:30-14:36

1 stop10h 06m

£566

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 9/9

15:30-06:30

1 stop10h 00m

London Heathrow

Sat 26/9

14:05-19:36

1 stop10h 31m

£567

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 23/8

16:00-10:40

1 stop13h 40m

London Heathrow

Sat 5/12

06:30-17:42

2 stops16h 12m

£569

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 15/5

09:00-06:55

1 stop16h 55m

London Heathrow

Sun 17/5

09:00-18:45

1 stop14h 45m

£578

Flights are sorted by cheapest return flights first.

Deals found on 3/5

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

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

Booking 67 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.

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 £728). 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, Delta, and United Airlines 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 4h 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 June is currently the most expensive (average of £728). 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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