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Cheap flights from Connecticut to London Heathrow Airport from £135

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
15 Jan — 22 Jan1
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 16 December 2025.

Wed 31/1215:30EWR - LHR
1 stop10h 40mMultiple Airlines
Tue 20/112:05LHR - EWR
1 stop13h 25mMultiple Airlines
Deal found 12/12£368
Wed 31/1217:45EWR - LHR
1 stop10h 20mAer Lingus
Fri 30/107:50LHR - EWR
1 stop13h 25mAer Lingus
Deal found 13/12£372
Tue 30/1213:00EWR - LHR
1 stop26h 35mAir Canada
Fri 9/109:00LHR - EWR
1 stop32h 18mAir Canada
Deal found 15/12£375
Wed 31/1221:30JFK - LHR
Nonstop6h 50mVirgin Atlantic
Fri 30/106:20LHR - JFK
1 stop11h 35mVirgin Atlantic
Deal found 13/12£375
Mon 29/1213:00EWR - LHR
1 stop26h 35mAir Canada
Wed 14/109:00LHR - EWR
1 stop32h 18mAir Canada
Deal found 14/12£376
Wed 31/1221:50JFK - LHR
Nonstop6h 50mBritish Airways
Wed 21/110:35LHR - JFK
Nonstop8h 00mBritish Airways
Deal found 14/12£376
Tue 30/1209:45JFK - LHR
1 stop17h 45mMultiple Airlines
Sun 18/106:50LHR - JFK
1 stop11h 30mMultiple Airlines
Deal found 13/12£377
Wed 31/1209:10EWR - LHR
Nonstop7h 10mUnited Airlines
Tue 20/109:00LHR - EWR
1 stop16h 30mUnited Airlines
Deal found 12/12£378
Tue 30/1219:45LGA - LHR
1 stop30h 25mAir Canada
Fri 9/113:25LHR - LGA
1 stop10h 37mAir Canada
Deal found 15/12£379
Tue 30/1220:51EWR - LHR
1 stop18h 44mUnited Airlines
Mon 12/112:05LHR - EWR
1 stop13h 25mUnited Airlines
Deal found 15/12£379
Mon 29/1213:00EWR - LHR
1 stop26h 35mMultiple Airlines
Mon 12/106:00LHR - EWR
1 stop12h 55mMultiple Airlines
Deal found 14/12£380
Wed 31/1209:45JFK - LHR
2 stops16h 25mAir Canada
Fri 9/109:00LHR - JFK
2 stops16h 58mAir Canada
Deal found 14/12£380

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 16 December 2025.

Round-trip from

£368

One-way from

£135

Popular in

June

Cheapest in

January

Average price

£879
Aer Lingus
  • Aer Lingus
  • 10/1-17/1
  • 2 total stops
  • 23h 45m total
  • Connecticut to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 12/1
  • 1 total stop
  • 14h 30m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£86 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 December 2025
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 16 December 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

Wed 11/2

09:35-21:40

Nonstop7h 05m

London Heathrow

Wed 25/2

07:25-10:46

Nonstop8h 21m

£376

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 18/1

08:45-20:45

Nonstop7h 00m

London Heathrow

Thu 12/2

12:20-15:52

Nonstop8h 32m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 27/2

08:45-20:45

Nonstop7h 00m

London Heathrow

Sun 1/3

12:20-15:52

Nonstop8h 32m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 16/2

08:45-20:45

Nonstop7h 00m

London Heathrow

Tue 24/2

12:20-15:52

Nonstop8h 32m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 17/3

10:41-21:40

Nonstop6h 59m

London Heathrow

Wed 25/3

07:25-11:46

Nonstop8h 21m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 24/1

09:53-22:00

Nonstop7h 07m

London Heathrow

Sun 25/1

07:45-11:05

Nonstop8h 20m

£377

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 29/1

21:10-09:30

Nonstop7h 20m

London Heathrow

Thu 5/2

07:25-10:46

Nonstop8h 21m

£377

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 28/1

20:45-09:10

Nonstop7h 25m

London Heathrow

Tue 3/2

12:05-20:30

1 stop13h 25m

£385

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 14/1

08:25-20:35

Nonstop7h 10m

London Heathrow

Wed 21/1

12:05-20:30

1 stop13h 25m

£385

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/2

20:45-09:10

Nonstop7h 25m

London Heathrow

Tue 10/2

12:05-20:30

1 stop13h 25m

£385

Flights are sorted by cheapest return flights first.

Deals found on 15/12

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 January is currently the most expensive (average of £736). 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 16 December 2025.

It’s optimal to fly from Connecticut to London Heathrow Airport in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at midday.

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 Virgin Atlantic 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 9h 35m. 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 January is currently the most expensive (average of £736). 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
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Winchester
Bedford
Romford
Chichester
Eastbourne

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