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Cheap flights from Connecticut to London Heathrow Airport from £219

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
29 Jun — 6 Jul1
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 30 May 2026.

Sun 16/817:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Sat 22/806:40
LHR
-
JFK
2 stops14h 00m
Scandinavian Airlines
Deal found 25/5£521
Wed 22/720:30
JFK
-
LHR
1 stop10h 25m
Icelandair
Mon 30/1112:15
LHR
-
JFK
1 stop10h 45m
Icelandair
Deal found 26/5£522
Tue 11/820:30
JFK
-
LHR
2 stops19h 50m
Multiple Airlines
Fri 21/806:40
LHR
-
JFK
2 stops17h 40m
Multiple Airlines
Deal found 25/5£523
Sat 19/917:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Sun 20/919:30
LHR
-
JFK
1 stop26h 30m
Scandinavian Airlines
Deal found 26/5£524
Mon 31/820:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Sat 19/1220:35
LHR
-
JFK
1 stop26h 05m
Icelandair
Deal found 25/5£524
Tue 18/823:10
JFK
-
LHR
2 stops17h 10m
Multiple Airlines
Mon 24/819:50
LHR
-
JFK
3 stops31h 15m
Multiple Airlines
Deal found 26/5£525
Tue 24/1119:25
JFK
-
LHR
1 stop10h 25m
Icelandair
Tue 1/1220:35
LHR
-
JFK
1 stop26h 25m
Icelandair
Deal found 25/5£526
Mon 14/917:10
JFK
-
LHR
1 stop16h 25m
Scandinavian Airlines
Fri 18/907:05
LHR
-
JFK
1 stop13h 35m
Scandinavian Airlines
Deal found 25/5£527
Sat 12/917:10
JFK
-
LHR
1 stop11h 25m
Scandinavian Airlines
Mon 28/918:40
LHR
-
JFK
1 stop27h 20m
Scandinavian Airlines
Deal found 26/5£527
Tue 16/611:35
LGA
-
LHR
1 stop14h 00m
Air Canada
Fri 26/609:30
LHR
-
LGA
1 stop10h 07m
Air Canada
Deal found 25/5£528
Mon 17/817:10
JFK
-
LHR
1 stop16h 25m
Scandinavian Airlines
Tue 8/906:40
LHR
-
JFK
1 stop15h 20m
Scandinavian Airlines
Deal found 26/5£528
Mon 3/820:30
JFK
-
LHR
1 stop18h 50m
Icelandair
Mon 17/813:05
LHR
-
JFK
1 stop11h 15m
Icelandair
Deal found 26/5£529

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 30 May 2026.

Round-trip from

£521

One-way from

£219

Popular in

June

Cheapest in

January

Average price

£714
Scandinavian Airlines
  • Scandinavian Airlines
  • 16/8-22/8
  • 3 total stops
  • 25h 25m total
  • Connecticut to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 7/7
  • 1 total stop
  • 15h 45m 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. 3% potential price decrease (£15 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 30 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

Mon 6/7

23:50-09:10

1 stop28h 20m

London Heathrow

Tue 14/7

09:55-22:00

1 stop17h 05m

£558

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 10/9

17:15-09:20

1 stop11h 05m

London Heathrow

Thu 17/9

21:05-13:15

2 stops21h 10m

£562

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 16/8

17:45-12:55

2 stops14h 10m

London Heathrow

Wed 26/8

21:05-13:15

2 stops21h 10m

£578

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 16/11

18:00-06:20

Nonstop7h 20m

London Heathrow

Thu 19/11

09:00-20:30

1 stop16h 30m

£583

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 24/8

07:30-06:30

1 stop18h 00m

London Heathrow

Sat 29/8

06:50-13:10

1 stop11h 20m

£588

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 3/10

18:30-06:45

Nonstop7h 15m

London Heathrow

Thu 15/10

06:30-12:33

1 stop11h 03m

£590

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 24/8

19:00-07:15

Nonstop7h 15m

London Heathrow

Sat 29/8

06:30-12:29

1 stop10h 59m

£590

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 17/8

18:30-06:45

Nonstop7h 15m

London Heathrow

Wed 19/8

15:20-22:40

1 stop12h 20m

£591
Fastest return journey

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 29/9

08:20-20:40

Nonstop7h 20m

London Heathrow

Wed 14/10

10:25-13:45

Nonstop8h 20m

£595

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 26/9

21:00-09:20

Nonstop7h 20m

London Heathrow

Tue 29/9

12:00-15:20

Nonstop8h 20m

£595

Flights are sorted by cheapest return flights first.

Deals found on 26/5

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

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 £733). 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 LEVEL, Scandinavian Airlines, and United Airlines 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 21h. Airlines will cover a distance of 3454 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 £733). 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
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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