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Cheap flights from Connecticut to London Heathrow Airport from £153

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
12 Sep — 19 Sep1
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 13 August 2026.

Sat 10/1017:10 -
2 stops38h 45m
Tue 13/1007:05 -
1 stop13h 35m
Deal found 7/8£392
Sat 19/917:10 -
2 stops21h 45m
Mon 21/907:05 -
1 stop13h 35m
Deal found 12/8£393
Fri 2/1018:55 -
2 stops37h 00m
Mon 5/1007:05 -
1 stop13h 35m
Deal found 9/8£394
Fri 25/918:55 -
1 stop13h 40m
Sun 27/906:40 -
2 stops15h 20m
Deal found 11/8£395
Fri 2/1018:55 -
2 stops37h 00m
Sun 4/1021:05 -
2 stops23h 35m
Deal found 10/8£397
Thu 24/918:55 -
1 stop33h 25m
Sun 27/906:40 -
2 stops15h 20m
Deal found 10/8£399
Wed 21/1014:30 -
1 stop11h 05m
Mon 26/1013:00 -
1 stop12h 31m
Deal found 10/8£403
Fri 9/1018:55 -
2 stops37h 00m
Mon 12/1007:05 -
1 stop13h 35m
Deal found 10/8£403
Sun 6/1218:50 -
1 stop11h 30m
Sun 20/1213:00 -
1 stop11h 06m
Deal found 9/8£412
Thu 8/1019:05 -
1 stop11h 45m
Tue 13/1009:30 -
1 stop12h 26m
Deal found 8/8£416
Sun 15/1113:10 -
1 stop13h 00m
Wed 18/1115:00 -
1 stop12h 43m
Deal found 12/8£418
Sat 17/1019:05 -
1 stop11h 45m
Thu 22/1014:05 -
1 stop12h 25m
Deal found 8/8£421

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 13 August 2026.

Round-trip from

£392

One-way from

£153

Popular in

June

Cheapest in

January

Average price

£703
Scandinavian Airlines
  • Scandinavian Airlines
  • 10/10-12/10
  • 3 total stops
  • 47h 00m total
  • Connecticut to London
Search Deals
British Airways
  • British Airways
  • 6/10
  • 1 total stop
  • 12h 11m 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. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 13 August 2026.
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 11/9

17:10-16:00

2 stops17h 50m

London Heathrow

Wed 23/9

07:05-15:40

1 stop13h 35m

£498

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Fri 2/10

08:45-10:00

1 stop20h 15m

London Heathrow

Sun 4/10

06:50-18:41

2 stops16h 51m

£514

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 15/9

17:10-09:35

1 stop11h 25m

London Heathrow

Sun 20/9

06:40-17:00

2 stops15h 20m

£524

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Thu 3/9

17:45-16:25

1 stop17h 40m

London Heathrow

Fri 6/11

17:30-13:25

1 stop24h 55m

£538

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Tue 20/10

16:00-10:45

2 stops13h 45m

London Heathrow

Thu 22/10

10:45-19:45

1 stop14h 00m

£567

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Sat 21/11

17:40-14:35

2 stops15h 55m

London Heathrow

Sun 29/11

19:50-13:40

2 stops22h 50m

£568

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 10/1

17:04-07:55

1 stop33h 51m

London Heathrow

Wed 13/1

06:50-18:38

2 stops16h 48m

£577

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Thu 24/9

07:50-19:45

Nonstop6h 55m

London Heathrow

Mon 28/9

07:30-19:10

1 stop16h 40m

£589

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 25/11

23:25-22:40

2 stops18h 15m

London Heathrow

Mon 30/11

06:00-22:55

2 stops21h 55m

£592

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 8/11

09:25-12:40

2 stops22h 15m

London Heathrow

Mon 16/11

08:15-20:05

1 stop16h 50m

£592

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £469). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £962). 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?

Airfare is below average for this route at the moment.
Connecticut to London Heathrow Airport flights typically cost between £649 and £832 in January.
The cheapest return price found within the last 5 days was £577 on United Airlines (10 Jan–13 Jan).

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, United Airlines, and Virgin Atlantic fly from Connecticut to London Heathrow Airport in about 13h 45m. The time it takes to get you to your destination can typically vary by up to 6h 30m. Airlines will cover a distance of 3438 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, February is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £469). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £962). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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