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Cheap flights from Connecticut to London Heathrow Airport from £134

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
10 Feb — 17 Feb1
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 11 January 2026.

Round-trip from

£362

One-way from

£134

Popular in

June

Cheapest in

January

Average price

£541
British Airways
  • British Airways
  • 3/2-25/3
  • 1 total stop
  • 18h 10m total
  • Connecticut to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/3
  • 1 total stop
  • 19h 40m 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. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 11 January 2026.

Sun 18/115:20LGA - LHR
1 stop10h 50mAir Canada
Tue 27/111:10LHR - LGA
1 stop11h 48mAir Canada
Deal found 8/1£362
Tue 3/220:05JFK - LHR
Nonstop7h 05mBritish Airways
Wed 25/307:50LHR - JFK
1 stop11h 05mBritish Airways
Deal found 8/1£362
Sun 25/115:20LGA - LHR
1 stop10h 50mAir Canada
Thu 5/213:25LHR - LGA
1 stop10h 37mAir Canada
Deal found 8/1£363
Tue 18/815:30JFK - LHR
1 stop11h 30mAmerican Airlines
Thu 27/815:50LHR - JFK
1 stop11h 25mAmerican Airlines
Deal found 8/1£363
Wed 25/316:20LGA - LHR
1 stop10h 10mLufthansa
Tue 31/314:05LHR - LGA
1 stop12h 21mLufthansa
Deal found 8/1£363
Wed 19/815:30JFK - LHR
1 stop10h 40mBritish Airways
Thu 27/815:50LHR - JFK
1 stop11h 25mBritish Airways
Deal found 8/1£363
Fri 23/110:35LGA - LHR
1 stop15h 35mMultiple Airlines
Mon 26/119:25LHR - LGA
2 stops26h 32mMultiple Airlines
Deal found 8/1£364
Sun 18/117:05JFK - LHR
1 stop9h 45mDelta
Tue 27/111:45LHR - JFK
1 stop12h 35mDelta
Deal found 9/1£364
Wed 4/215:30LGA - LHR
1 stop12h 00mMultiple Airlines
Tue 10/213:25LHR - LGA
1 stop10h 37mMultiple Airlines
Deal found 9/1£365
Sun 18/122:00JFK - LHR
Nonstop7h 15mVirgin Atlantic
Tue 27/106:30LHR - JFK
1 stop17h 50mVirgin Atlantic
Deal found 9/1£365
Wed 11/215:30LGA - LHR
1 stop12h 00mMultiple Airlines
Tue 3/313:25LHR - LGA
1 stop10h 38mMultiple Airlines
Deal found 8/1£366
Tue 3/221:10JFK - LHR
Nonstop7h 20mJetBlue
Sat 14/208:05LHR - JFK
Nonstop8h 24mJetBlue
Deal found 9/1£366

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 11 January 2026.
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 24/2

17:35-09:35

2 stops35h 00m

London Heathrow

Fri 27/2

06:40-15:45

1 stop14h 05m

£364

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 5/2

20:05-08:10

Nonstop7h 05m

London Heathrow

Thu 12/2

10:45-19:15

1 stop13h 30m

£366

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 29/1

09:35-21:40

Nonstop7h 05m

London Heathrow

Tue 10/2

12:20-15:50

Nonstop8h 30m

£367

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 21/1

08:20-20:10

Nonstop6h 50m

London Heathrow

Tue 3/2

16:35-19:30

Nonstop7h 55m

£368

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 10/2

20:00-08:05

Nonstop7h 05m

London Heathrow

Tue 17/2

20:00-22:55

Nonstop7h 55m

£368

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 4/3

20:00-08:05

Nonstop7h 05m

London Heathrow

Tue 17/3

20:00-23:55

Nonstop7h 55m

£368

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 22/1

06:00-10:50

1 stop23h 50m

London Heathrow

Tue 27/1

13:25-09:53

1 stop25h 28m

£372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 23/1

09:45-09:20

2 stops18h 35m

London Heathrow

Mon 26/1

09:00-13:05

1 stop33h 05m

£373

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 31/1

16:50-06:30

1 stop32h 40m

London Heathrow

Sun 8/2

13:45-16:40

1 stop31h 55m

£373

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 10/2

18:30-11:40

1 stop12h 10m

London Heathrow

Tue 17/2

09:00-19:28

2 stops15h 28m

£374

Flights are sorted by cheapest return flights first.

Deals found on 9/1

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 £639). 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 Scandinavian Airlines, British Airways, and JetBlue 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 27h 55m. 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 July is currently the most expensive (average of £639). 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
Luton
Croydon
Northampton
Slough
Hounslow
Gatwick
Ilford
Wembley
Brentford
Hayes
Colchester
Watford
Crawley
Swindon
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
Romford

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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Dulles Intl to London City flights
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Boston to London City flights
Los Angeles to Gatwick flights
O'Hare Intl to Gatwick flights
Baltimore to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Reagan-National to Gatwick flights
O'Hare Intl to London City flights
Boston to Stansted flights
O'Hare Intl to Stansted flights
Minneapolis to Heathrow flights
George Bush Intcntl to Heathrow 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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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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