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Cheap flights from Connecticut to London Heathrow Airport from £216

BDL — LHR
27 Oct — 3 Nov1
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

Wed 14/1006:00 -
1 stop20h 15m
Wed 21/1008:55 -
2 stops19h 37m
Deal found 23/9£511
Wed 14/1017:20 -
1 stop14h 55m
Tue 27/1016:00 -
1 stop22h 19m
Deal found 22/9£516
Tue 8/1206:00 -
2 stops18h 55m
Wed 9/1209:00 -
2 stops19h 44m
Deal found 23/9£519
Wed 21/1012:57 -
2 stops15h 18m
Wed 28/1008:55 -
2 stops18h 37m
Deal found 23/9£519
Sun 27/906:05 -
1 stop21h 55m
Tue 29/908:45 -
2 stops17h 52m
Deal found 23/9£528
Mon 9/1117:02 -
1 stop33h 53m
Thu 12/1106:50 -
2 stops19h 57m
Deal found 24/9£529
Fri 2/1006:05 -
1 stop21h 55m
Sun 4/1006:50 -
2 stops22h 09m
Deal found 24/9£531
Tue 17/1117:02 -
2 stops33h 08m
Fri 20/1106:50 -
2 stops22h 09m
Deal found 22/9£531
Mon 23/1108:00 -
1 stop18h 50m
Tue 1/1211:30 -
2 stops17h 45m
Deal found 23/9£534

Find flight deals from Connecticut to Heathrow

Round-trip from

£511

One-way from

£216

Popular in

June

Cheapest in

January

Average price

£690
Delta
  • Delta
  • 27/10-4/11
  • 3 total stops
  • 36h 44m total
  • Connecticut to London
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Virgin Atlantic
  • Virgin Atlantic
  • 13/12-31/12
  • 1 total stop
  • 13h 52m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£68 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 September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

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Route

Depart

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Price

Cheapest return flight

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sat 12/12

12:53-07:45

1 stop13h 52m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sat 24/10

06:00-07:40

1 stop20h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 30/11

13:31-07:50

1 stop13h 19m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 30/11

13:31-06:25

1 stop11h 54m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Fri 23/10

11:24-13:15

1 stop20h 51m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229
Fastest return journey

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Fri 23/10

19:40-10:40

1 stop10h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 15/10

10:33-06:55

1 stop15h 22m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 16/11

15:00-09:10

2 stops13h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 19/11

06:00-07:10

2 stops20h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£232

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Mon 16/11

06:00-06:30

3 stops19h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£235

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 23 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

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 £479). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,170). 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 £630 and £856 in October.
The cheapest return price found within the last 5 days was £511 on Delta (14 Oct–21 Oct).

Related info for your journey

  • How long is the flight from Connecticut to London Heathrow Airport?

    Airlines like United Airlines, Delta, and Virgin Atlantic fly from Connecticut to London Heathrow Airport in about 15h 03m. The time it takes to get you to your destination can typically vary by up to 18h 50m. 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, February is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £479). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,170). 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
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Connecticut to Heathrow

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

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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.

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