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Cheap flights from Connecticut to London Heathrow Airport from £146

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
5 Sep — 12 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 6 August 2026.

Fri 25/918:55 -
1 stop13h 40m
Sun 27/906:40 -
2 stops15h 20m
Deal found 5/8£396
Thu 24/918:55 -
1 stop33h 25m
Sun 27/906:40 -
2 stops15h 20m
Deal found 3/8£402
Fri 9/1018:55 -
2 stops33h 00m
Sun 11/1019:50 -
1 stop24h 50m
Deal found 2/8£405
Sat 7/1115:15 -
1 stop10h 55m
Sun 22/1113:00 -
1 stop13h 31m
Deal found 4/8£406
Fri 18/918:55 -
2 stops14h 40m
Sun 20/906:40 -
2 stops15h 20m
Deal found 4/8£406
Thu 17/918:55 -
1 stop33h 25m
Sun 20/906:40 -
2 stops15h 20m
Deal found 4/8£406
Thu 1/1018:55 -
2 stops33h 40m
Sun 4/1006:40 -
2 stops15h 20m
Deal found 1/8£408
Thu 24/916:00 -
1 stop12h 35m
Mon 28/914:05 -
1 stop10h 31m
Deal found 5/8£409
Sat 19/918:55 -
2 stops16h 30m
Mon 21/906:40 -
2 stops15h 20m
Deal found 5/8£409
Wed 7/1018:55 -
2 stops45h 25m
Sat 10/1017:30 -
2 stops51h 10m
Deal found 1/8£410
Sun 15/1119:25 -
1 stop19h 05m
Sat 21/1112:15 -
1 stop10h 45m
Deal found 3/8£412
Thu 5/1116:20 -
1 stop11h 10m
Thu 19/1113:00 -
1 stop13h 31m
Deal found 3/8£423

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 6 August 2026.

Round-trip from

£396

One-way from

£146

Popular in

June

Cheapest in

January

Average price

£778
Scandinavian Airlines
  • Scandinavian Airlines
  • 25/9-27/9
  • 3 total stops
  • 29h 00m total
  • Connecticut to London
Search Deals
Icelandair
  • Icelandair
  • 18/9
  • 1 total stop
  • 10h 25m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£65 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 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 6 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

Thu 10/9

17:10-12:55

2 stops14h 45m

London Heathrow

Sat 26/9

06:40-17:00

1 stop15h 20m

£503

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 25/9

18:55-16:25

2 stops16h 30m

London Heathrow

Sat 3/10

17:30-17:00

2 stops28h 30m

£509

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 16/9

19:25-16:35

1 stop16h 10m

London Heathrow

Fri 18/9

06:50-13:00

1 stop11h 10m

£521

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 2/9

18:55-14:35

2 stops14h 40m

London Heathrow

Thu 17/9

07:05-15:40

1 stop13h 35m

£521

ProvidenceLondon

PVD Providence-TFGreen - LHR London Heathrow

PVDLHR

Providence-TFGreen

Sun 1/11

16:40-07:55

1 stop34h 15m

London Heathrow

Wed 4/11

06:50-18:58

2 stops17h 08m

£553

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Sat 7/11

17:30-14:35

2 stops16h 05m

London Heathrow

Sat 14/11

06:40-13:25

1 stop11h 45m

£554

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Tue 29/12

23:05-21:35

2 stops17h 30m

London Heathrow

Mon 4/1

18:30-15:20

1 stop25h 50m

£591

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 29/9

18:30-06:40

Nonstop7h 10m

London Heathrow

Mon 5/10

10:20-19:10

1 stop13h 50m

£598

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 19/9

18:20-06:25

Nonstop7h 05m

London Heathrow

Sun 27/9

10:20-19:10

1 stop13h 50m

£598

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 5/10

20:55-09:10

Nonstop7h 15m

London Heathrow

Mon 12/10

10:20-19:10

1 stop13h 50m

£599

Flights are sorted by cheapest return flights first.

Deals found on 5/8

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 £471). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £965). 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 £651 and £782 in September.
The cheapest return price found within the last 5 days was £596 on Multiple Airlines (1 Sept–8 Sept).

How far ahead should I book a flight from Connecticut to London Heathrow Airport?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Connecticut to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 TAP AIR PORTUGAL fly from Connecticut to London Heathrow Airport in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 2h 45m. 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, February is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £471). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £965). 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
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
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
John F Kennedy Intl to Stansted flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
Boston to Heathrow flights
Baltimore to Heathrow flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
LaGuardia to Gatwick flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Newark to Stansted flights
Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Gatwick flights
Orlando to Heathrow flights
Newark to London City flights
Newark to Luton flights
Denver to Heathrow flights
Hobby to Heathrow flights
Miami to Heathrow flights
Dulles Intl to London City flights
Boston to London City flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
Boston to Stansted flights
Los Angeles to Stansted flights
Reagan-National to Gatwick flights
Philadelphia to Heathrow flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
Raleigh to Heathrow flights
Sky Harbor Intl to Heathrow flights
Los Angeles to London City flights
Charlotte to Heathrow flights
Minneapolis to Heathrow flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Orlando to Gatwick flights
San Francisco to Stansted flights
Dulles Intl 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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