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$145+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
12月 3 — 12月 101
週三 12/3
週三 12/10
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 11月 3, 2025.

Round-trip from

$477
(Kiwi.com)

One-way from

$145
(Netflights)

Popular in

June

Cheapest in

April

Average price

$900
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 ($143 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 November 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 11月 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
週四 11/64:25 pmJFK - LHR
1 stop20h 25mSWISS
週一 11/106:00 amLHR - JFK
1 stop15h 40mSWISS
Deal found 11/2$477
This Gotogate deal was found by Cheapflights users on 11/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 11/173:20 pmLGA - LHR
1 stop10h 50mAir Canada
週一 11/241:25 pmLHR - LGA
1 stop10h 38mAir Canada
Deal found 11/1$478
This Mytrip deal was found by Cheapflights users on 11/1. 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.
週一 11/175:00 pmJFK - LHR
1 stop10h 05mAer Lingus
週一 11/2412:10 pmLHR - JFK
1 stop12h 15mAer Lingus
Deal found 11/1$478
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
週一 12/14:25 pmJFK - LHR
1 stop20h 25mSWISS
週一 12/86:00 amLHR - JFK
1 stop12h 05mSWISS
Deal found 11/1$479
This Mytrip deal was found by Cheapflights users on 11/3. 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.
週五 11/283:20 pmLGA - LHR
1 stop10h 50mAir Canada
週五 12/51:25 pmLHR - LGA
1 stop10h 37mAir Canada
Deal found 11/3$480
This Booking.com deal was found by Cheapflights users on 11/2. 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.
週二 12/29:10 pmJFK - LHR
1 stop9h 15mAer Lingus
週日 12/710:00 amLHR - JFK
1 stop11h 25mAer Lingus
Deal found 11/2$480
This Booking.com deal was found by Cheapflights users on 11/3. 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.
週二 11/181:05 pmLGA - LHR
1 stop13h 05mAir Canada
週六 11/226:00 amLHR - LGA
2 stops15h 59mAir Canada
Deal found 11/3$481
This Flightnetwork deal was found by Cheapflights users on 11/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 11/1710:05 amJFK - LHR
2 stops17h 00mAir Canada
週一 11/249:00 amLHR - JFK
2 stops16h 58mAir Canada
Deal found 11/1$481
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 12/110:35 amLGA - LHR
1 stop15h 35mAir Canada
週五 12/121:25 pmLHR - LGA
1 stop13h 08mAir Canada
Deal found 11/2$482
This Booking.com deal was found by Cheapflights users on 11/2. 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.
週三 12/109:10 pmJFK - LHR
1 stop11h 15mAer Lingus
週四 12/1810:00 amLHR - JFK
1 stop11h 25mAer Lingus
Deal found 11/2$482
This Netflights deal was found by Cheapflights users on 11/2. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 12/18:00 pmJFK - LHR
Nonstop7h 05mVirgin Atlantic
週四 12/114:10 pmLHR - JFK
Nonstop8h 30mVirgin Atlantic
Deal found 11/2$483
This Booking.com deal was found by Cheapflights users on 11/2. 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.
週三 12/35:00 pmJFK - LHR
1 stop10h 05mAer Lingus
週三 12/109:50 amLHR - JFK
1 stop12h 00mAer Lingus
Deal found 11/2$484

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 11月 3, 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

NewarkLondon

EWR - LHR

EWRLHR

Newark

週四 12/11

9:57 pm-6:40 am

1 stop27h 43m

London Heathrow

週日 12/14

9:00 am-12:18 pm

1 stop32h 18m

$500

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週日 2/22

8:45 am-8:45 pm

Nonstop7h 00m

London Heathrow

週三 3/4

12:20 pm-3:52 pm

Nonstop8h 32m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週一 2/23

8:45 am-8:45 pm

Nonstop7h 00m

London Heathrow

週四 3/5

7:25 am-10:46 am

Nonstop8h 21m

$502

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週四 12/4

8:20 am-8:10 pm

Nonstop6h 50m

London Heathrow

週一 12/15

6:30 am-1:15 pm

1 stop11h 45m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週一 12/1

10:00 pm-10:15 am

Nonstop7h 15m

London Heathrow

週一 12/8

8:40 am-7:20 pm

1 stop15h 40m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週四 11/27

6:00 pm-6:20 am

Nonstop7h 20m

London Heathrow

週六 12/6

6:30 am-3:45 pm

1 stop14h 15m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週五 11/14

7:01 pm-6:55 am

Nonstop6h 54m

London Heathrow

週日 11/23

6:30 am-1:10 pm

1 stop11h 40m

$506

NewarkLondon

EWR - LHR

EWRLHR

Newark

週四 11/6

7:25 pm-10:50 am

1 stop10h 25m

London Heathrow

週四 11/13

6:50 am-1:30 pm

1 stop11h 40m

$507

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

週四 11/13

1:45 pm-6:55 am

1 stop12h 10m

London Heathrow

週四 11/20

7:25 am-10:30 am

Nonstop8h 05m

$507

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

週四 3/19

12:40 pm-7:10 am

1 stop14h 30m

London Heathrow

週一 3/23

1:25 pm-2:12 pm

2 stops28h 47m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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, October is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of $16). Flying from Connecticut to London Heathrow Airport in July is currently the most expensive (average of $862). 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 11月 3, 2025.

One of the essential ways to save on airfare from Connecticut to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 8% on airfare.

How much does it cost to fly round-trip 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?

    There are many flights that can get you from Connecticut to London Heathrow Airport in 6h 50m. Fly via United Airlines, JetBlue, or Delta 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 $174 on Delta. Other airlines that offer cheap prices include JetBlue from $174 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, October is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of $16). Flying from Connecticut to London Heathrow Airport in July is currently the most expensive (average of $862). 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
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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.
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San Francisco to London City flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to Gatwick flights
Reagan-National to Gatwick flights
Boston to Stansted flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
LaGuardia to London City flights
Tampa to Heathrow flights
Dulles Intl to Stansted flights
George Bush Intcntl to Heathrow flights
Raleigh to Heathrow flights
Boston to Luton flights
Charlotte to Heathrow flights
Detroit to Heathrow 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 11月 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$654FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$648Average$970FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$655Average$875FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$696Average$896FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$714Average$981FlexibilityNo cancel feeOn-time71%

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