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Cheap flights from Connecticut to London Heathrow Airport from £118

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
25 Dec — 1 Jan1
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 25 November 2025.

Round-trip from

£379

One-way from

£118

Popular in

June

Cheapest in

October

Average price

£620
Air Canada
  • Air Canada
  • 5/12-8/12
  • 2 total stops
  • 22h 48m total
  • Connecticut to London
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Air Canada
  • Air Canada
  • 1/12
  • 1 total stop
  • 10h 50m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£90 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 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 25 November 2025.

Tue 2/1219:35EWR - LHR
1 stop10h 15mIcelandair
Tue 9/1220:35LHR - EWR
1 stop26h 50mIcelandair
Deal found 24/11£379
Thu 4/1215:30EWR - LHR
1 stop10h 40mUnited Airlines
Thu 11/1206:35LHR - EWR
1 stop17h 30mUnited Airlines
Deal found 24/11£379
Sat 29/1106:00EWR - LHR
1 stop23h 50mUnited Airlines
Mon 8/1209:00LHR - EWR
1 stop28h 39mUnited Airlines
Deal found 24/11£380
Fri 28/1115:20LGA - LHR
1 stop10h 50mMultiple Airlines
Fri 5/1212:00LHR - LGA
2 stops15h 33mMultiple Airlines
Deal found 23/11£381
Sat 29/1110:05JFK - LHR
1 stop16h 05mMultiple Airlines
Fri 5/1211:10LHR - JFK
2 stops14h 48mMultiple Airlines
Deal found 24/11£381
Thu 27/1115:20LGA - LHR
1 stop10h 50mAir Canada
Thu 4/1209:00LHR - LGA
2 stops18h 33mAir Canada
Deal found 23/11£382
Thu 27/1110:30EWR - LHR
1 stop15h 40mAir Canada
Thu 4/1209:00LHR - EWR
2 stops17h 59mAir Canada
Deal found 24/11£382
Wed 26/1109:45JFK - LHR
2 stops18h 35mUnited Airlines
Thu 4/1209:00LHR - JFK
1 stop12h 40mUnited Airlines
Deal found 24/11£382
Tue 25/1113:05LGA - LHR
1 stop13h 05mAir Canada
Sat 24/106:50LHR - LGA
2 stops17h 13mAir Canada
Deal found 23/11£382
Sat 6/1211:56EWR - LHR
1 stop14h 14mUnited Airlines
Thu 11/1206:50LHR - EWR
1 stop11h 40mUnited Airlines
Deal found 23/11£382
Tue 25/1110:05JFK - LHR
1 stop16h 05mUnited Airlines
Sun 18/106:50LHR - JFK
1 stop11h 30mUnited Airlines
Deal found 23/11£382
Thu 27/1115:20LGA - LHR
1 stop10h 50mMultiple Airlines
Sun 7/1213:25LHR - LGA
1 stop13h 08mMultiple Airlines
Deal found 24/11£383

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 25 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

Fri 30/1

21:10-09:30

Nonstop7h 20m

London Heathrow

Sun 8/2

07:45-11:05

Nonstop8h 20m

£382

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 23/2

21:12-09:30

Nonstop7h 18m

London Heathrow

Thu 26/2

07:25-10:46

Nonstop8h 21m

£382

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 5/12

06:55-07:10

1 stop19h 15m

London Heathrow

Tue 9/12

06:50-13:30

1 stop11h 40m

£382

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 8/1

20:00-08:25

Nonstop7h 25m

London Heathrow

Mon 12/1

12:05-20:30

1 stop13h 25m

£382

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 7/12

10:30-07:10

1 stop15h 40m

London Heathrow

Thu 11/12

06:50-13:30

1 stop11h 40m

£382

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 26/2

22:40-11:05

Nonstop7h 25m

London Heathrow

Sun 1/3

09:05-13:55

1 stop33h 50m

£385

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 28/2

06:00-10:50

1 stop23h 50m

London Heathrow

Tue 10/3

13:25-14:40

1 stop29h 15m

£385

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 4/3

06:00-10:50

1 stop23h 50m

London Heathrow

Tue 10/3

13:25-14:40

1 stop29h 15m

£385

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 27/2

22:40-11:05

Nonstop7h 25m

London Heathrow

Fri 6/3

06:35-19:05

1 stop17h 30m

£386

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 5/12

15:40-06:50

1 stop10h 10m

London Heathrow

Tue 9/12

09:00-14:55

1 stop10h 55m

£389

Flights are sorted by cheapest return flights first.

Deals found on 21/11

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 25 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.

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 JetBlue, United Airlines, and Delta fly from Connecticut to London Heathrow Airport in about 7h 05m. The time it takes to get you to your destination can typically vary by up to 12h 10m. 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 LEVEL start at £153 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

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

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

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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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