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Heathrow

$187+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
may. 5 — may. 121
lun. 5/5
lun. 5/12
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 abril 30, 2025.

Round-trip from

$510
(Flightnetwork)

One-way from

$187
(Cheapflightsfares)
From Connecticut to London Heathrow
Search Deals
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 abril 30, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/58:25 pmJFK - LHR
1 stop18h 55mIcelandair
dom. 5/119:25 pmLHR - JFK
1 stop26h 45mIcelandair
Deal found 4/28$510
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:55 pmJFK - LHR
1 stop17h 45mScandinavian Airlines
dom. 9/147:50 pmLHR - JFK
2 stops26h 10mScandinavian Airlines
Deal found 4/28$511
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/25:30 pmJFK - LHR
2 stops14h 10mLufthansa
dom. 5/47:25 amLHR - JFK
1 stop12h 35mLufthansa
Deal found 4/28$520
This eDestinos deal was found by Cheapflights users on 4/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/56:45 pmJFK - LHR
Nonstop7h 05mBritish Airways
dom. 8/172:40 pmLHR - JFK
Nonstop7h 55mBritish Airways
Deal found 4/28$523
This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/167:25 pmJFK - LHR
1 stop13h 15mSWISS
dom. 5/186:00 amLHR - JFK
1 stop15h 35mSWISS
Deal found 4/28$528
This Ticket deal was found by Cheapflights users on 4/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/83:50 pmLGA - LHR
1 stop12h 45mAir Canada
jue. 5/159:30 amLHR - LGA
1 stop10h 18mAir Canada
Deal found 4/28$529
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/159:45 pmJFK - LHR
1 stop29h 35mUnited Airlines
dom. 5/187:25 amLHR - JFK
1 stop12h 35mUnited Airlines
Deal found 4/28$529
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
mar. 8/123:20 pmJFK - LHR
1 stop10h 35mIberia
mar. 8/268:25 amLHR - JFK
Nonstop7h 45mIberia
Deal found 4/29$531
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/710:30 amLGA - LHR
2 stops15h 00mMultiple Airlines
dom. 10/56:50 amLHR - LGA
2 stops12h 57mMultiple Airlines
Deal found 4/29$534
This lol.travel deal was found by Cheapflights users on 4/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/139:00 pmJFK - LHR
Nonstop7h 15mVirgin Atlantic
dom. 5/186:50 pmLHR - JFK
Nonstop7h 39mVirgin Atlantic
Deal found 4/29$538
This United Airlines deal was found by Cheapflights users on 4/27. 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.
dom. 10/55:45 pmLGA - LHR
1 stop10h 50mUnited Airlines
lun. 10/138:40 amLHR - LGA
2 stops20h 03mUnited Airlines
Deal found 4/27$555
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/296:30 pmEWR - LHR
1 stop10h 05mMultiple Airlines
mar. 5/61:45 pmLHR - EWR
1 stop11h 25mMultiple Airlines
Deal found 4/28$557

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 abril 30, 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. 9/4

6:55 pm-5:40 pm

1 stop17h 45m

London Heathrow

dom. 9/14

7:50 pm-5:00 pm

2 stops26h 10m

$511

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 5/13

11:10 pm-8:20 pm

1 stop16h 10m

London Heathrow

lun. 6/16

9:25 pm-10:10 pm

1 stop29h 45m

$513

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 8/5

6:45 pm-6:50 am

Nonstop7h 05m

London Heathrow

dom. 8/17

2:40 pm-5:35 pm

Nonstop7h 55m

$523

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 5/16

7:25 pm-1:40 pm

1 stop13h 15m

London Heathrow

dom. 5/18

6:00 am-4:35 pm

1 stop15h 35m

$528

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 5/15

9:45 pm-8:20 am

1 stop29h 35m

London Heathrow

dom. 5/18

7:25 am-3:00 pm

1 stop12h 35m

$529

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 8/12

3:20 pm-6:55 am

1 stop10h 35m

London Heathrow

mar. 8/26

8:25 am-11:10 am

Nonstop7h 45m

$531

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

mar. 5/13

3:30 pm-6:30 am

1 stop10h 00m

London Heathrow

dom. 5/18

8:30 am-6:31 pm

1 stop15h 01m

$533

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

dom. 9/7

10:30 am-6:30 am

2 stops15h 00m

London Heathrow

dom. 10/5

6:50 am-2:47 pm

2 stops12h 57m

$534

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 5/13

9:00 pm-9:15 am

Nonstop7h 15m

London Heathrow

dom. 5/18

6:50 pm-9:29 pm

Nonstop7h 39m

$538

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

dom. 10/5

5:45 pm-9:35 am

1 stop10h 50m

London Heathrow

lun. 10/13

8:40 am-11:43 pm

2 stops20h 03m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 $1,110). 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 abril 30, 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 abril 30, 2025.
Read through reviews of airlines operating flights from Connecticut to London, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $187 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $224 and British Airways from $246 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 $1,110). 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 Connecticut?

Book flights to Connecticut if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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

Top 4 airlines flying from Connecticut to Heathrow

Discover the top 4 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$569Average$866FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$833FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$696Average$940FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$713Average$934FlexibilityNo cancel feeOn-time71%

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