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$149+ Cheap flights from Connecticut to Heathrow (LHR)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Connecticut to Heathrow

Keep the following information in mind while searching for Connecticut to Heathrow flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$425
(Cheapflightsfares)

One-way from

$149
(Ticket)

Popular in

June

Cheapest in

April

Average price

$827
From Connecticut to London Heathrow
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One-way flight from Connecticut to London Heathrow
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Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Connecticut to Heathrow

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 septiembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2010:05 pmJFK - LHR
1 stop18h 55mTAP AIR PORTUGAL
mar. 9/3011:20 amLHR - JFK
1 stop13h 45mTAP AIR PORTUGAL
Deal found 9/15$427
This Ticket deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2310:05 pmJFK - LHR
1 stop19h 50mTAP AIR PORTUGAL
jue. 11/206:30 pmLHR - JFK
1 stop30h 35mTAP AIR PORTUGAL
Deal found 9/14$428
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:00 pmJFK - LHR
1 stop18h 35mTAP AIR PORTUGAL
mar. 11/188:15 amLHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 9/15$429
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/3011:45 pmJFK - LHR
1 stop13h 15mMultiple Airlines
sáb. 1/319:55 amLHR - JFK
1 stop17h 05mMultiple Airlines
Deal found 9/13$431
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1210:00 pmJFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
mar. 11/258:15 amLHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 9/13$432
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:00 pmJFK - LHR
1 stop18h 35mTAP AIR PORTUGAL
lun. 11/176:30 pmLHR - JFK
1 stop30h 35mTAP AIR PORTUGAL
Deal found 9/13$433
This Gurufare deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:10 pmJFK - LHR
1 stop22h 25mMultiple Airlines
dom. 9/217:15 pmLHR - JFK
1 stop24h 05mMultiple Airlines
Deal found 9/14$434
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/216:50 pmJFK - LHR
Nonstop6h 55mAmerican Airlines
dom. 11/236:15 amLHR - JFK
1 stop12h 05mAmerican Airlines
Deal found 9/13$435
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:00 pmJFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
mar. 11/188:15 amLHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 9/14$436
This Gurufare deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/35:30 pmJFK - LHR
1 stop11h 25mMultiple Airlines
dom. 10/56:50 amLHR - JFK
1 stop11h 10mMultiple Airlines
Deal found 9/13$437
This Ticket deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:05 pmLGA - LHR
1 stop13h 05mAir Canada
dom. 11/911:10 amLHR - LGA
1 stop16h 23mAir Canada
Deal found 9/14$448
This Ticket deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2910:35 amLGA - LHR
1 stop16h 35mAir Canada
mié. 11/51:25 pmLHR - LGA
1 stop10h 38mAir Canada
Deal found 9/14$465

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

Fly from

Connecticut

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 2/5

8:05 am-8:00 pm

Nonstop6h 55m

London Heathrow

dom. 2/8

10:20 am-7:05 pm

1 stop13h 45m

$487

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 11/25

10:00 pm-10:40 pm

1 stop19h 40m

London Heathrow

mar. 12/2

8:15 am-8:05 pm

1 stop16h 50m

$488

NewarkLondon

EWR - LHR

EWRLHR

Newark

sáb. 10/11

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

mié. 10/29

12:05 pm-9:30 pm

1 stop13h 25m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

vie. 10/17

6:25 pm-6:45 am

Nonstop7h 20m

London Heathrow

mar. 10/21

5:10 pm-8:10 pm

1 stop32h 00m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

mié. 12/3

10:00 pm-10:25 am

Nonstop7h 25m

London Heathrow

vie. 1/23

12:05 pm-8:30 pm

1 stop13h 25m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

sáb. 10/11

6:55 pm-7:15 am

Nonstop7h 20m

London Heathrow

vie. 10/31

12:05 pm-9:30 pm

1 stop13h 25m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

sáb. 10/11

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

sáb. 11/1

12:05 pm-9:30 pm

1 stop13h 25m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

vie. 10/10

8:30 am-8:40 pm

Nonstop7h 10m

London Heathrow

mar. 10/28

12:05 pm-9:30 pm

1 stop13h 25m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

sáb. 11/8

10:00 pm-10:25 am

Nonstop7h 25m

London Heathrow

sáb. 11/15

12:05 pm-8:30 pm

1 stop13h 25m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

vie. 11/28

8:00 pm-8:25 am

Nonstop7h 25m

London Heathrow

lun. 12/15

7:40 am-7:05 pm

1 stop16h 25m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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 round-trip 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, November is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of $661). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

What is the cheapest time of day to fly from CT to LHR?

Find hourly flight availability from Connecticut to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

When flying from Connecticut to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    There are many flights that can get you from Connecticut to London Heathrow Airport in 6h 55m. Fly via Finnair, TAP AIR PORTUGAL, or United Airlines to get the fastest option. Airlines will cover a distance of 3440 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Connecticut to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $188 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include LEVEL from $195 and United Airlines from $234 one-way.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of $661). Flying from Connecticut to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Top 5 airlines flying from Connecticut to Heathrow

Discover the top 5 airlines that operate flights from Connecticut to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$641FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$655Average$870FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$962FlexibilityNo cancel feeOn-time69%
DeltaCheapest$696Average$896FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$714Average$960FlexibilityNo cancel feeOn-time71%

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