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Cheap flights from Connecticut to London Heathrow Airport from £133

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
6 Feb — 13 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 7 January 2026.

Round-trip from

£361

One-way from

£133

Popular in

June

Cheapest in

January

Average price

£548
Delta
  • Delta
  • 1/2-10/2
  • 2 total stops
  • 23h 05m total
  • Connecticut to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/2
  • 1 total stop
  • 18h 35m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£79 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£14 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 7 January 2026.

Sun 1/214:30JFK - LHR
1 stop12h 20mDelta
Tue 10/210:00LHR - JFK
1 stop10h 45mDelta
Deal found 6/1£361
Mon 26/116:00LGA - LHR
1 stop9h 50mVirgin Atlantic
Thu 12/213:05LHR - LGA
1 stop12h 25mVirgin Atlantic
Deal found 6/1£361
Wed 11/222:00JFK - LHR
Nonstop7h 15mKLM
Wed 18/210:00LHR - JFK
1 stop10h 45mKLM
Deal found 6/1£361
Thu 15/121:00JFK - LHR
1 stop11h 00mSWISS
Fri 23/109:00LHR - JFK
1 stop12h 40mSWISS
Deal found 6/1£362
Fri 20/212:40LGA - LHR
1 stop13h 30mAir Canada
Fri 27/213:25LHR - LGA
1 stop13h 08mAir Canada
Deal found 6/1£363
Mon 9/300:20JFK - LHR
Nonstop6h 55mAmerican Airlines
Sun 15/307:45LHR - JFK
1 stop11h 20mAmerican Airlines
Deal found 6/1£363
Tue 27/110:05JFK - LHR
2 stops17h 25mMultiple Airlines
Tue 3/209:00LHR - JFK
2 stops16h 58mMultiple Airlines
Deal found 6/1£364
Sun 1/221:50JFK - LHR
Nonstop6h 50mFinnair
Tue 10/210:05LHR - JFK
Nonstop8h 00mFinnair
Deal found 6/1£364
Sat 14/215:30LGA - LHR
1 stop15h 20mLufthansa
Mon 23/213:25LHR - LGA
1 stop13h 08mLufthansa
Deal found 6/1£365
Sun 1/220:05JFK - LHR
Nonstop7h 05mBritish Airways
Tue 10/216:25LHR - JFK
Nonstop8h 10mBritish Airways
Deal found 6/1£365
Tue 13/117:00LGA - LHR
1 stop9h 50mVirgin Atlantic
Tue 20/113:05LHR - LGA
1 stop11h 26mVirgin Atlantic
Deal found 6/1£366
Sun 25/115:20LGA - LHR
1 stop10h 50mAir Canada
Sun 1/213:25LHR - LGA
1 stop13h 08mAir Canada
Deal found 6/1£367

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 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

LGA - LHR

LGALHR

New York LaGuardia

Mon 23/2

13:00-09:00

1 stop15h 00m

London Heathrow

Tue 3/3

06:20-16:21

2 stops15h 01m

£371

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 23/2

19:00-11:40

1 stop11h 40m

London Heathrow

Tue 3/3

06:20-19:18

2 stops17h 58m

£371

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 5/2

21:30-09:20

Nonstop6h 50m

London Heathrow

Thu 12/2

10:00-15:45

1 stop10h 45m

£373

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 8/3

22:14-09:30

Nonstop7h 16m

London Heathrow

Thu 12/3

12:20-16:52

Nonstop8h 32m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 25/1

21:10-09:30

Nonstop7h 20m

London Heathrow

Wed 25/3

07:25-11:46

Nonstop8h 21m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 2/2

08:45-20:45

Nonstop7h 00m

London Heathrow

Sun 8/2

07:45-11:07

Nonstop8h 22m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 3/2

21:10-09:30

Nonstop7h 20m

London Heathrow

Wed 11/2

07:25-10:48

Nonstop8h 23m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 17/3

10:41-21:40

Nonstop6h 59m

London Heathrow

Mon 23/3

08:05-12:29

Nonstop8h 24m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/1

08:45-20:45

Nonstop7h 00m

London Heathrow

Sat 24/1

08:05-11:29

Nonstop8h 24m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/2

21:10-09:30

Nonstop7h 20m

London Heathrow

Fri 13/2

12:20-15:50

Nonstop8h 30m

£374

Flights are sorted by cheapest return flights first.

Deals found on 5/1

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 £633). 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.

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 Virgin Atlantic, KLM, and JetBlue 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 8h 10m. 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 £633). 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.
John F Kennedy Intl to Heathrow flights
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Boston to Gatwick flights
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Newark to London City flights
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Miami to Heathrow flights
Dulles Intl to Gatwick flights
Boston to London City flights
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Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Hobby to Heathrow flights
Baltimore to Gatwick flights
San Francisco to Gatwick flights
Dulles Intl to London City flights
O'Hare Intl to Gatwick flights
Boston to Stansted flights
Minneapolis to Heathrow flights
Los Angeles to Gatwick flights
Reagan-National to Gatwick flights
San Francisco to London City flights
Detroit to Heathrow flights
O'Hare Intl to London City flights
Los Angeles to London City flights
Tampa to Heathrow flights
George Bush Intcntl to Heathrow flights
Charlotte to Heathrow flights
Austin to Heathrow flights
O'Hare Intl to Stansted flights
Raleigh to Heathrow flights
Orlando to Gatwick flights

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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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