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Cheap flights from Connecticut to London Heathrow Airport from £113

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
19 Jul — 26 Jul1
1 adult

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 14 July 2025.

Round-trip from

£354

One-way from

£113
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 13/11-3/12
  • 2 total stops
  • 31h 20m total
  • Connecticut to London
Search Deals
Icelandair
  • Icelandair
  • 30/9
  • 1 total stop
  • 31h 45m total
  • Connecticut to London
Search Deals

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 14 July 2025.

Thu 13/1122:00JFK - LHR
1 stop14h 30mTAP AIR PORTUGAL
Wed 3/1208:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 13/7£354
Tue 19/819:10LGA - LHR
1 stop9h 50mAir Canada
Thu 28/806:50LHR - LGA
2 stops15h 05mAir Canada
Deal found 13/7£354
Wed 27/815:30LGA - LHR
1 stop10h 00mMultiple Airlines
Wed 3/906:00LHR - LGA
2 stops17h 30mMultiple Airlines
Deal found 13/7£355
Wed 29/1019:30JFK - LHR
1 stop19h 25mAer Lingus
Tue 11/1110:00LHR - JFK
1 stop11h 25mAer Lingus
Deal found 13/7£355
Sun 20/718:10JFK - LHR
Nonstop7h 10mBritish Airways
Sat 26/719:05LHR - JFK
Nonstop7h 54mBritish Airways
Deal found 12/7£356
Fri 31/1014:15LGA - LHR
1 stop17h 00mUnited Airlines
Sun 2/1108:55LHR - LGA
2 stops19h 35mUnited Airlines
Deal found 12/7£359
Tue 26/810:30JFK - LHR
2 stops15h 00mMultiple Airlines
Tue 23/906:00LHR - JFK
1 stop11h 50mMultiple Airlines
Deal found 12/7£360
Wed 5/1121:50JFK - LHR
Nonstop6h 50mIberia
Sat 22/1109:55LHR - JFK
1 stop17h 05mIberia
Deal found 13/7£366
Wed 3/923:25JFK - LHR
Nonstop7h 00mVirgin Atlantic
Tue 9/916:50LHR - JFK
Nonstop7h 50mVirgin Atlantic
Deal found 14/7£369
Tue 4/1110:05JFK - LHR
1 stop16h 05mUnited Airlines
Fri 21/1108:55LHR - JFK
1 stop12h 45mUnited Airlines
Deal found 12/7£370
Fri 21/1119:25JFK - LHR
1 stop10h 25mIcelandair
Fri 28/1112:15LHR - JFK
1 stop11h 05mIcelandair
Deal found 12/7£371
Mon 11/820:59JFK - LHR
Nonstop7h 31mJetBlue
Sun 31/808:15LHR - JFK
Nonstop8h 04mJetBlue
Deal found 12/7£376

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 14 July 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

Thu 13/11

22:00-17:30

1 stop14h 30m

London Heathrow

Wed 3/12

08:15-20:05

1 stop16h 50m

£354

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 19/8

19:10-10:00

1 stop9h 50m

London Heathrow

Thu 28/8

06:50-16:55

2 stops15h 05m

£354

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 27/8

15:30-06:30

1 stop10h 00m

London Heathrow

Wed 3/9

06:00-18:30

2 stops17h 30m

£355

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 29/10

19:30-18:55

1 stop19h 25m

London Heathrow

Tue 11/11

10:00-16:25

1 stop11h 25m

£355

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 31/10

14:15-11:15

1 stop17h 00m

London Heathrow

Sun 2/11

08:55-23:30

2 stops19h 35m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 26/8

10:30-06:30

2 stops15h 00m

London Heathrow

Wed 24/9

06:00-12:50

1 stop11h 50m

£360

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/9

07:50-19:45

Nonstop6h 55m

London Heathrow

Wed 24/9

10:20-19:05

1 stop13h 45m

£362

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 5/11

21:50-09:40

Nonstop6h 50m

London Heathrow

Mon 10/11

09:55-22:00

1 stop17h 05m

£366

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/11

10:05-07:10

1 stop16h 05m

London Heathrow

Sun 9/11

08:55-16:40

1 stop12h 45m

£370

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 21/11

19:25-10:50

1 stop10h 25m

London Heathrow

Fri 28/11

12:15-18:20

1 stop11h 05m

£371

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 60 results
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6

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
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, January is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £112). Flying from Connecticut to London Heathrow Airport in August is currently the most expensive (average of £164). 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 14 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Connecticut to London Heathrow Airport as you normally would.

How much does it cost for a return flight 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 14 July 2025.
See what other customers who have flown with Delta, KLM, andAustrian Airlines from Connecticut to London Heathrow Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,956 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
1,372 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
813 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
1,656 reviews
Delta
8.0
Very Good
7,956 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

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?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £113. TAP AIR PORTUGAL flights start at £116 while deals on Air Canada start at £127 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 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, January is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £112). Flying from Connecticut to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Connecticut?

Book flights to Connecticut if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

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.
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Newark to Heathrow flights
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Dulles Intl to London City flights
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Seattle to Gatwick flights
Los Angeles to London City flights
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Los Angeles to Gatwick flights
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Reagan-National to Gatwick flights
Dallas/Fort Worth to Gatwick flights
San Francisco to London City flights
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Midway to Heathrow flights

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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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