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Cheap flights from Connecticut to London Heathrow Airport from £107

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£313

One-way from

£107

Popular in

June

Cheapest in

April

Average price

£609
LEVEL
  • LEVEL
  • 9/11-22/11
  • 2 total stops
  • 30h 20m total
  • Connecticut to London
Search Deals
22/9
  • 22/9
  • 1 total stop
  • 10h 35m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Connecticut to Heathrow

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 September 2025.

Sun 9/1123:45JFK - LHR
1 stop13h 15mLEVEL
Sat 22/1109:55LHR - JFK
1 stop17h 05mLEVEL
Deal found 15/9£313
Sun 9/1123:45JFK - LHR
1 stop28h 25mLEVEL
Thu 20/1109:55LHR - JFK
1 stop17h 05mLEVEL
Deal found 15/9£313
Sat 20/922:05JFK - LHR
1 stop18h 55mTAP AIR PORTUGAL
Tue 30/911:20LHR - JFK
1 stop13h 45mTAP AIR PORTUGAL
Deal found 15/9£314
Thu 23/1022:05JFK - LHR
1 stop19h 50mTAP AIR PORTUGAL
Thu 20/1118:30LHR - JFK
1 stop30h 35mTAP AIR PORTUGAL
Deal found 14/9£315
Mon 10/1122:00JFK - LHR
1 stop18h 35mTAP AIR PORTUGAL
Tue 18/1108:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 15/9£316
Wed 12/1122:00JFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
Tue 25/1108:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 14/9£318
Fri 7/1119:35JFK - LHR
1 stop13h 05mMultiple Airlines
Sun 9/1106:50LHR - JFK
1 stop11h 30mMultiple Airlines
Deal found 16/9£319
Fri 19/918:10JFK - LHR
1 stop22h 25mMultiple Airlines
Sun 21/919:15LHR - JFK
1 stop24h 05mMultiple Airlines
Deal found 14/9£319
Tue 18/1122:00JFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
Tue 25/1108:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 16/9£320
Thu 13/1122:00JFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
Tue 18/1108:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 14/9£321
Thu 27/1122:00JFK - LHR
1 stop15h 55mTAP AIR PORTUGAL
Thu 4/1219:55LHR - JFK
1 stop29h 10mTAP AIR PORTUGAL
Deal found 16/9£322
Wed 15/1015:30LGA - LHR
1 stop10h 00mLufthansa
Wed 22/1014:05LHR - LGA
1 stop10h 32mLufthansa
Deal found 15/9£325

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 September 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 25/11

22:00-22:40

1 stop19h 40m

London Heathrow

Tue 2/12

08:15-20:05

1 stop16h 50m

£359

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 30/9

15:30-06:30

1 stop10h 00m

London Heathrow

Sun 25/1

12:05-20:30

1 stop13h 25m

£367

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 22/10

15:30-09:35

1 stop13h 05m

London Heathrow

Fri 31/10

09:00-21:30

1 stop16h 30m

£367

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 19/11

22:00-10:25

Nonstop7h 25m

London Heathrow

Thu 27/11

09:00-20:30

1 stop16h 30m

£367

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 5/10

09:00-06:30

1 stop16h 30m

London Heathrow

Thu 9/10

08:40-16:35

1 stop12h 55m

£367

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 3/10

14:48-06:55

1 stop11h 07m

London Heathrow

Mon 6/10

08:40-20:10

1 stop16h 30m

£370

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 21/10

19:42-06:55

1 stop30h 13m

London Heathrow

Sun 26/10

09:00-12:18

1 stop31h 18m

£372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 6/11

16:50-20:35

2 stops46h 45m

London Heathrow

Thu 4/12

12:05-13:05

1 stop30h 00m

£372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 8/10

08:45-20:45

Nonstop7h 00m

London Heathrow

Wed 22/10

08:15-11:11

Nonstop7h 56m

£373

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 13/10

20:59-09:30

Nonstop7h 31m

London Heathrow

Sat 1/11

08:05-12:16

Nonstop8h 11m

£373

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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, January is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £112). Flying from Connecticut to London Heathrow Airport in August is currently the most expensive (average of £164). 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 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Connecticut to London Heathrow Airport as you normally would.

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 TAP AIR PORTUGAL, United Airlines, and JetBlue fly from Connecticut to London Heathrow Airport in about 7h. The time it takes to get you to your destination can typically vary by up to 12h 40m. 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £138. LEVEL flights start at £143 while deals on United Airlines start at £172 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, January is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £112). Flying from Connecticut to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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 London City flights
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Dulles Intl to Gatwick flights
Los Angeles to London City flights
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George Bush Intcntl to Heathrow flights
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Dulles Intl to London City flights
Baltimore to Gatwick flights
Los Angeles to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
Raleigh to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to London City flights
Tampa to Heathrow flights
Boston to Stansted flights
Detroit to Heathrow flights
Charlotte to Heathrow flights
San Francisco to London City flights
Seattle to Gatwick flights
San Diego to Heathrow flights
Boston to Luton 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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