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$151+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$442
(Iberia)

One-way from

$151
(Mytrip)
From Connecticut to London Heathrow
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One-way flight from Connecticut to London Heathrow
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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 julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
mié. 12/1011:45 pmJFK - LHR
1 stop13h 15mMultiple Airlines
mié. 1/79:55 amLHR - JFK
1 stop17h 05mMultiple Airlines
Deal found 7/31$441
This LEVEL deal was found by Cheapflights users on 7/31. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/711:25 pmJFK - LHR
1 stop15h 40mLEVEL
lun. 10/138:50 pmLHR - JFK
1 stop29h 50mLEVEL
Deal found 7/31$442
This lastminute.com deal was found by Cheapflights users on 7/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/56:25 pmJFK - LHR
1 stop9h 40mAer Lingus
dom. 10/59:50 amLHR - JFK
1 stop12h 00mAer Lingus
Deal found 7/30$443
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/264:50 pmJFK - LHR
1 stop10h 35mIberia
dom. 9/288:25 amLHR - JFK
Nonstop7h 45mIberia
Deal found 7/30$445
This Mytrip deal was found by Cheapflights users on 7/30. 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.
mié. 9/2410:05 pmJFK - LHR
1 stop18h 55mTAP AIR PORTUGAL
mar. 10/216:00 amLHR - JFK
1 stop19h 05mTAP AIR PORTUGAL
Deal found 7/30$447
This SWISS deal was found by Cheapflights users on 7/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/268:35 pmJFK - LHR
1 stop13h 05mSWISS
sáb. 11/89:00 amLHR - JFK
1 stop12h 40mSWISS
Deal found 7/29$451
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/163:30 pmLGA - LHR
1 stop10h 00mAir Canada
mar. 9/309:30 amLHR - LGA
1 stop10h 17mAir Canada
Deal found 7/28$455
This Gotogate deal was found by Cheapflights users on 7/30. 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.
sáb. 9/203:30 pmLGA - LHR
1 stop10h 00mMultiple Airlines
sáb. 9/276:50 amLHR - LGA
2 stops15h 02mMultiple Airlines
Deal found 7/30$482
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/297:25 pmJFK - LHR
Nonstop6h 55mBritish Airways
vie. 11/146:15 amLHR - JFK
1 stop12h 00mBritish Airways
Deal found 7/29$484
This Scandinavian Airlines deal was found by Cheapflights users on 7/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:55 pmJFK - LHR
1 stop16h 05mScandinavian Airlines
dom. 9/216:40 amLHR - JFK
2 stops39h 20mScandinavian Airlines
Deal found 7/30$487
This Kiwi.com deal was found by Cheapflights users on 7/29. 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. 9/142:20 pmLGA - LHR
1 stop16h 30mLufthansa
sáb. 9/272:05 pmLHR - LGA
1 stop10h 32mLufthansa
Deal found 7/29$499
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/262:34 pmEWR - LHR
1 stop10h 56mUnited Airlines
dom. 8/316:50 amLHR - EWR
1 stop11h 20mUnited Airlines
Deal found 7/31$504

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 julio 31, 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

mar. 10/7

11:25 pm-8:05 pm

1 stop15h 40m

London Heathrow

lun. 10/13

8:50 pm-9:40 pm

1 stop29h 50m

$442

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 9/5

6:25 pm-9:05 am

1 stop9h 40m

London Heathrow

dom. 10/5

9:50 am-4:50 pm

1 stop12h 00m

$443

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 9/26

4:50 pm-8:25 am

1 stop10h 35m

London Heathrow

dom. 9/28

8:25 am-11:10 am

Nonstop7h 45m

$445

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 8/8

6:10 pm-9:35 pm

1 stop22h 25m

London Heathrow

dom. 8/10

7:15 pm-2:20 pm

1 stop24h 05m

$446

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mié. 9/24

10:05 pm-10:00 pm

1 stop18h 55m

London Heathrow

mar. 10/21

6:00 am-8:05 pm

1 stop19h 05m

$447

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

dom. 10/26

8:35 pm-1:40 pm

1 stop13h 05m

London Heathrow

sáb. 11/8

9:00 am-4:40 pm

1 stop12h 40m

$451

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

mar. 9/16

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

mar. 9/30

9:30 am-2:47 pm

1 stop10h 17m

$455

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

sáb. 9/20

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

sáb. 9/27

6:50 am-4:52 pm

2 stops15h 02m

$482

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mié. 9/24

11:10 pm-11:15 am

Nonstop7h 05m

London Heathrow

mar. 9/30

9:30 am-7:05 pm

1 stop14h 35m

$486

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 9/19

6:55 pm-4:00 pm

1 stop16h 05m

London Heathrow

dom. 9/21

6:40 am-5:00 pm

2 stops39h 20m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 julio 31, 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.

How much does it cost to fly round-trip from Connecticut to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated julio 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Austrian Airlines from Connecticut to London Heathrow Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $151 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include JetBlue from $170 and Icelandair from $197 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
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

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
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
Boston to Heathrow flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Luton flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
Newark to Stansted flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
Newark to Luton flights
Dallas/Fort Worth to Heathrow flights
Miami to Heathrow flights
Boston to Gatwick flights
Philadelphia to Heathrow flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Reagan-National to Heathrow flights
Denver to Heathrow flights
O'Hare Intl to Gatwick flights
Boston to London City flights
Dulles Intl to Gatwick flights
O'Hare Intl to London City flights
Dulles Intl to London City flights
Seattle to Gatwick flights
Los Angeles to London City flights
Baltimore to Gatwick flights
San Francisco to Gatwick flights
LaGuardia to Stansted flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to London City flights
Dallas/Fort Worth to Gatwick flights
Los Angeles to Gatwick flights
Orlando to Gatwick flights
Seattle to London City flights
Minneapolis to Heathrow flights
Tampa to Heathrow flights
Midway to Heathrow 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$16FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$569Average$855FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$891FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$962FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$704Average$943FlexibilityNo cancel feeOn-time71%

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