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Cheap flights from Connecticut to London Heathrow Airport from £189

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
22 May — 29 May1
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 22 April 2026.

Tue 28/416:00
LGA
-
LHR
1 stop13h 00m
Air Canada
Thu 7/514:05
LHR
-
LGA
1 stop12h 25m
Air Canada
Deal found 21/4£403
Tue 28/416:00
LGA
-
LHR
1 stop13h 00m
Air Canada
Fri 8/509:30
LHR
-
LGA
1 stop10h 08m
Air Canada
Deal found 21/4£403
Tue 28/417:35
LGA
-
LHR
1 stop11h 25m
Air Canada
Mon 4/508:30
LHR
-
LGA
1 stop11h 29m
Air Canada
Deal found 21/4£405
Tue 28/416:30
LGA
-
LHR
1 stop12h 05m
Air Canada
Wed 6/514:05
LHR
-
LGA
1 stop10h 31m
Air Canada
Deal found 21/4£406
Tue 7/723:25
JFK
-
LHR
1 stop15h 40m
LEVEL
Tue 15/909:55
LHR
-
JFK
1 stop16h 45m
LEVEL
Deal found 20/4£406
Fri 8/517:20
EWR
-
LHR
1 stop20h 10m
Scandinavian Airlines
Sun 10/517:00
LHR
-
EWR
1 stop26h 59m
Scandinavian Airlines
Deal found 19/4£411
Tue 29/923:25
JFK
-
LHR
1 stop28h 45m
LEVEL
Thu 15/1009:55
LHR
-
JFK
1 stop16h 45m
LEVEL
Deal found 20/4£417
Tue 29/923:25
JFK
-
LHR
1 stop28h 45m
LEVEL
Tue 3/1120:50
LHR
-
JFK
1 stop30h 10m
LEVEL
Deal found 18/4£420
Sat 26/918:55
JFK
-
LHR
1 stop18h 35m
Scandinavian Airlines
Mon 28/913:55
LHR
-
JFK
2 stops32h 05m
Scandinavian Airlines
Deal found 22/4£422
Sat 2/519:05
LGA
-
LHR
1 stop11h 45m
Air Canada
Fri 8/509:30
LHR
-
LGA
1 stop10h 08m
Air Canada
Deal found 21/4£423
Fri 8/517:20
EWR
-
LHR
1 stop34h 35m
Scandinavian Airlines
Mon 11/507:05
LHR
-
EWR
1 stop11h 10m
Scandinavian Airlines
Deal found 17/4£426
Tue 29/923:25
JFK
-
LHR
1 stop28h 45m
LEVEL
Thu 8/1009:55
LHR
-
JFK
1 stop16h 45m
LEVEL
Deal found 20/4£426

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 22 April 2026.

Round-trip from

£403

One-way from

£189

Popular in

June

Cheapest in

January

Average price

£630
Air Canada
  • Air Canada
  • 3/5-8/5
  • 2 total stops
  • 23h 48m total
  • Connecticut to London
Search Deals
Icelandair
  • Icelandair
  • 31/8
  • 1 total stop
  • 16h 10m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£85 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 April 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 22 April 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

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 3/5

12:55-07:10

1 stop13h 15m

London Heathrow

Thu 7/5

13:25-00:33

1 stop16h 08m

£539

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sat 26/9

08:00-07:15

1 stop18h 15m

London Heathrow

Wed 7/10

09:55-22:02

2 stops17h 07m

£539

ProvidenceLondon

PVD - LHR

PVDLHR

Providence-TFGreen

Mon 11/5

17:23-13:15

1 stop14h 52m

London Heathrow

Wed 20/5

06:30-19:05

2 stops17h 35m

£539

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 22/9

08:00-06:25

1 stop17h 25m

London Heathrow

Mon 28/9

08:55-22:08

2 stops18h 13m

£540

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Thu 24/9

07:00-06:25

1 stop18h 25m

London Heathrow

Mon 28/9

06:15-18:08

2 stops16h 53m

£540

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 24/8

17:00-13:05

2 stops15h 05m

London Heathrow

Sat 29/8

08:40-23:32

2 stops19h 52m

£543

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 12/5

18:59-13:05

1 stop13h 06m

London Heathrow

Sat 16/5

11:15-00:33

1 stop18h 18m

£545

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Mon 24/8

09:35-07:10

1 stop16h 35m

London Heathrow

Sat 29/8

09:20-18:08

1 stop13h 48m

£545

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 22/9

18:30-13:05

1 stop13h 35m

London Heathrow

Mon 28/9

12:25-23:32

1 stop16h 07m

£545

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 18/9

13:00-07:10

1 stop13h 10m

London Heathrow

Wed 30/9

11:15-23:36

2 stops17h 21m

£548

Flights are sorted by cheapest return flights first.

Deals found on 21/4

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, 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 June is currently the most expensive (average of £730). 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?

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, Delta, and KLM fly from Connecticut to London Heathrow Airport in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 5h 27m. Airlines will cover a distance of 3340 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 June is currently the most expensive (average of £730). 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
Wembley
Croydon
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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