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Cheap flights from Connecticut to London Heathrow Airport from £112

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Connecticut to Heathrow

Keep the following information in mind while searching for Connecticut to Heathrow flight deals. Data was last updated 7 November 2025.

Round-trip from

£368

One-way from

£112

Popular in

June

Cheapest in

April

Average price

£687
Air Canada
  • Air Canada
  • 19/11-25/11
  • 3 total stops
  • 35h 08m total
  • Connecticut to London
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Air Canada
  • Air Canada
  • 3/12
  • 2 total stops
  • 15h 15m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 7 November 2025.

Wed 19/1112:45LGA - LHR
1 stop17h 35mMultiple Airlines
Tue 25/1109:00LHR - LGA
2 stops17h 33mMultiple Airlines
Deal found 6/11£368
Fri 5/1210:05JFK - LHR
1 stop16h 05mMultiple Airlines
Wed 17/1206:00LHR - JFK
1 stop15h 40mMultiple Airlines
Deal found 5/11£368
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Mon 24/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 5/11£369
Mon 1/1210:05JFK - LHR
2 stops29h 30mMultiple Airlines
Sun 7/1209:00LHR - JFK
1 stop12h 40mMultiple Airlines
Deal found 6/11£369
Mon 17/1115:20LGA - LHR
1 stop10h 50mAir Canada
Wed 26/1113:25LHR - LGA
1 stop10h 38mAir Canada
Deal found 6/11£370
Tue 9/1217:00JFK - LHR
1 stop11h 05mAer Lingus
Mon 15/1209:50LHR - JFK
1 stop12h 00mAer Lingus
Deal found 5/11£370
Thu 6/1107:50JFK - LHR
Nonstop6h 50mVirgin Atlantic
Thu 13/1112:40LHR - JFK
Nonstop8h 19mVirgin Atlantic
Deal found 5/11£370
Mon 17/1116:50JFK - LHR
1 stop13h 30mAir Canada
Wed 26/1109:00LHR - JFK
2 stops16h 58mAir Canada
Deal found 6/11£371
Fri 14/1121:00JFK - LHR
1 stop14h 20mMultiple Airlines
Thu 20/1106:00LHR - JFK
1 stop13h 15mMultiple Airlines
Deal found 5/11£372
Fri 14/1116:25JFK - LHR
1 stop10h 40mSWISS
Thu 20/1106:00LHR - JFK
1 stop12h 05mSWISS
Deal found 6/11£373
Thu 6/1116:25JFK - LHR
1 stop10h 40mMultiple Airlines
Thu 13/1106:00LHR - JFK
1 stop13h 15mMultiple Airlines
Deal found 5/11£373
Wed 12/1113:05LGA - LHR
1 stop13h 05mMultiple Airlines
Sun 16/1113:25LHR - LGA
1 stop13h 08mMultiple Airlines
Deal found 6/11£374

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 7 November 2025.
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

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 13/1

21:50-09:40

Nonstop6h 50m

London Heathrow

Sat 17/1

10:20-19:05

1 stop13h 45m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 17/1

21:50-09:40

Nonstop6h 50m

London Heathrow

Sat 24/1

10:20-19:05

1 stop13h 45m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 11/12

10:05-07:10

1 stop16h 05m

London Heathrow

Fri 9/1

09:00-16:40

1 stop12h 40m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 26/11

10:05-07:10

1 stop16h 05m

London Heathrow

Wed 3/12

09:00-16:40

1 stop12h 40m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 25/11

10:05-07:10

1 stop16h 05m

London Heathrow

Fri 5/12

09:00-16:40

1 stop12h 40m

£378

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 7/12

06:00-10:50

1 stop23h 50m

London Heathrow

Fri 12/12

13:25-09:47

1 stop25h 22m

£380

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 8/12

15:30-07:10

1 stop10h 40m

London Heathrow

Thu 11/12

06:50-13:30

1 stop11h 40m

£383

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 12/2

10:05-07:10

1 stop16h 05m

London Heathrow

Mon 23/2

13:45-20:58

2 stops36h 13m

£383

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 11/12

20:00-08:05

Nonstop7h 05m

London Heathrow

Mon 15/12

10:00-19:20

1 stop14h 20m

£386

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 27/11

20:00-08:05

Nonstop7h 05m

London Heathrow

Sun 7/12

06:30-13:15

1 stop11h 45m

£386

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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 £658). 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.

What is the cheapest time of day to fly from CT to LHR?

Find hourly flight availability from Connecticut to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s optimal to fly from Connecticut to London Heathrow Airport in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

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, United Airlines, and Virgin Atlantic fly from Connecticut to London Heathrow Airport in about 6h 50m. 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 cheapest airlines to fly from Connecticut to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £133. Delta flights start at £133 while deals on British Airways start at £178 one-way.

  • 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 £658). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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.
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Boston to Stansted flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
Denver to Heathrow flights
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Hobby to Heathrow flights
Los Angeles to London City flights
Orlando to Heathrow flights
Boston to Luton flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to London City flights
San Francisco to London City flights
Charlotte to Heathrow flights
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Dulles Intl to Luton flights
Seattle to Gatwick flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Connecticut to Heathrow?

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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.

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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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