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Cheap flights from Connecticut to London Heathrow Airport from £216

BDL — LHR
13 Nov — 20 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

Tue 17/1117:02 -
2 stops33h 08m
Fri 20/1106:50 -
2 stops22h 09m
Deal found 8/10£531
Fri 13/1110:37 -
2 stops16h 53m
Sun 15/1108:30 -
2 stops20h 29m
Deal found 11/10£545
Sat 24/1019:00 -
1 stop9h 05m
Sat 7/1109:50 -
1 stop11h 35m
Deal found 11/10£565
Thu 29/1018:55 -
1 stop10h 10m
Thu 12/1109:50 -
1 stop11h 35m
Deal found 13/10£586
Mon 16/1113:31 -
1 stop11h 54m
Fri 20/1111:20 -
1 stop17h 21m
Deal found 10/10£597
Thu 26/1113:31 -
1 stop11h 54m
Thu 3/1208:55 -
1 stop16h 40m
Deal found 12/10£600
Wed 25/1113:28 -
1 stop12h 07m
Wed 2/1215:40 -
1 stop13h 12m
Deal found 12/10£603
Wed 28/1009:37 -
1 stop16h 18m
Mon 2/1111:10 -
2 stops31h 54m
Deal found 11/10£612
Tue 3/1110:37 -
2 stops20h 23m
Tue 10/1113:00 -
2 stops30h 02m
Deal found 12/10£614
Fri 16/1010:33 -
1 stop19h 07m
Sat 31/1013:45 -
2 stops39h 14m
Deal found 8/10£615
Tue 13/1006:00 -
2 stops19h 30m
Tue 20/1014:05 -
2 stops32h 48m
Deal found 12/10£616

Find flight deals from Connecticut to Heathrow

Round-trip from

£531

One-way from

£216

Popular in

June

Cheapest in

January

Average price

£641
United Airlines
  • United Airlines
  • 17/11-20/11
  • 4 total stops
  • 55h 17m total
  • Connecticut to London
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Virgin Atlantic
  • Virgin Atlantic
  • 20/1-31/12
  • 1 total stop
  • 11h 35m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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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

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Price

Cheapest return flight

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Fri 22/1

11:50-09:00

1 stop16h 10m

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 23/1

12:16-10:25

2 stops17h 09m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Fri 22/1

09:26-09:10

2 stops18h 44m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 17/1

06:00-10:25

3 stops23h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 12/1

10:05-06:20

2 stops15h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£226
Fastest return journey

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Thu 22/10

06:25-20:45

1 stop9h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£239

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Sun 18/10

07:00-07:15

1 stop19h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£284

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 5/1

06:00-06:20

3 stops19h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£284

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 1/12

09:35-05:55

1 stop15h 20m

London Heathrow

Wed 9/12

13:00-17:33

2 stops33h 33m

£614

HartfordLondon

BDL Hartford Bradley Intl - LHR London Heathrow

BDLLHR

Hartford Bradley Intl

Tue 1/12

15:07-10:50

1 stop14h 43m

London Heathrow

Tue 8/12

13:00-14:10

2 stops30h 10m

£614

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 16 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, April is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £670). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,171). 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 £641 and £857 in November.
The cheapest return price found within the last 5 days was £531 on United Airlines (17 Nov–20 Nov).

Related info for your journey

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

    Airlines like United Airlines fly from Connecticut to London Heathrow Airport in about 15h 20m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3340 mi.

  • 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, April is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £670). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of £1,171). 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
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
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 Gatwick flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
LaGuardia to Gatwick flights
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Newark to London City flights
Baltimore to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to Stansted flights
Newark to Luton flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Atlanta to Heathrow flights
Boston to Gatwick flights
Boston to London City flights
Orlando to Heathrow flights
Reagan-National to Heathrow flights
Boston to Stansted flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Hobby to Heathrow flights
Dulles Intl to London City flights
Los Angeles to Gatwick flights
Denver to Heathrow flights
San Francisco to Gatwick flights
Philadelphia to Heathrow flights
Los Angeles to Stansted flights
Los Angeles to London City flights
San Francisco to Stansted flights
San Francisco to London City flights
George Bush Intcntl to Heathrow flights
Boston to Luton flights
Orlando to Gatwick flights
O'Hare Intl to Gatwick flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Sky Harbor Intl to Heathrow flights
Dulles Intl to Luton flights
Baltimore to Gatwick flights
LaGuardia to Stansted flights

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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.

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