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Cheap flights from Connecticut to London Heathrow Airport from £141

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
5 Apr — 12 Apr1
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 31 March 2025.

Round-trip from

£372

One-way from

£141
Icelandair
  • Icelandair
  • 29/4-6/5
  • 2 total stops
  • 37h 15m total
  • Connecticut to London
Search Deals
Icelandair
  • Icelandair
  • 28/4
  • 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 31 March 2025.

Tue 29/420:25JFK - LHR
1 stop10h 30mIcelandair
Tue 6/521:25LHR - JFK
1 stop26h 45mIcelandair
Deal found 30/3£372
Fri 9/517:10JFK - LHR
1 stop16h 25mScandinavian Airlines
Sun 11/510:20LHR - JFK
1 stop11h 40mScandinavian Airlines
Deal found 30/3£374
Sun 6/422:05JFK - LHR
1 stop15h 45mTAP AIR PORTUGAL
Wed 14/511:20LHR - JFK
1 stop13h 45mTAP AIR PORTUGAL
Deal found 30/3£379
Thu 17/419:30JFK - LHR
Nonstop7h 15mBritish Airways
Thu 24/417:00LHR - JFK
Nonstop7h 55mBritish Airways
Deal found 30/3£383
Tue 29/415:35LGA - LHR
1 stop9h 55mAir Canada
Tue 6/509:30LHR - LGA
1 stop10h 18mAir Canada
Deal found 30/3£387
Wed 30/418:00JFK - LHR
Nonstop7h 25mMultiple Airlines
Wed 7/512:55LHR - JFK
Nonstop8h 05mMultiple Airlines
Deal found 31/3£406
Mon 28/414:59JFK - LHR
1 stop10h 56mIberia
Mon 5/510:00LHR - JFK
Nonstop7h 45mIberia
Deal found 30/3£406
Mon 21/419:45LGA - LHR
1 stop11h 05mLufthansa
Mon 28/409:30LHR - LGA
1 stop10h 23mLufthansa
Deal found 30/3£412
Wed 30/421:30JFK - LHR
Nonstop7h 30mVirgin Atlantic
Wed 7/509:35LHR - JFK
Nonstop8h 10mVirgin Atlantic
Deal found 30/3£413
Tue 22/409:00JFK - LHR
1 stop16h 30mUnited Airlines
Mon 28/408:40LHR - JFK
1 stop33h 10mUnited Airlines
Deal found 31/3£416
Tue 29/415:35LGA - LHR
1 stop9h 55mUnited Airlines
Tue 6/514:05LHR - LGA
1 stop10h 33mUnited Airlines
Deal found 30/3£423
Fri 25/414:55EWR - LHR
1 stop14h 45mUnited Airlines
Tue 6/507:45LHR - EWR
1 stop10h 25mUnited Airlines
Deal found 30/3£426

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 31 March 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

Tue 29/4

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 6/5

21:25-19:10

1 stop26h 45m

£372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

17:10-14:35

1 stop16h 25m

London Heathrow

Sun 11/5

10:20-17:00

1 stop11h 40m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 17/4

19:30-07:45

Nonstop7h 15m

London Heathrow

Thu 24/4

17:00-19:55

Nonstop7h 55m

£383

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 29/4

15:35-06:30

1 stop9h 55m

London Heathrow

Tue 6/5

09:30-14:48

1 stop10h 18m

£387

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 29/4

23:10-20:20

1 stop16h 10m

London Heathrow

Tue 6/5

20:50-22:30

2 stops30h 40m

£404

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 29/4

21:30-10:00

Nonstop7h 30m

London Heathrow

Tue 6/5

09:35-12:45

Nonstop8h 10m

£405

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 28/4

14:59-06:55

1 stop10h 56m

London Heathrow

Mon 5/5

10:00-12:45

Nonstop7h 45m

£406

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 21/4

19:45-11:50

1 stop11h 05m

London Heathrow

Mon 28/4

09:30-14:53

1 stop10h 23m

£412

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 22/4

09:00-06:30

1 stop16h 30m

London Heathrow

Mon 28/4

08:40-12:50

1 stop33h 10m

£416

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 29/4

15:35-06:30

1 stop9h 55m

London Heathrow

Tue 6/5

14:05-19:38

1 stop10h 33m

£423

Flights are sorted by cheapest return flights first.

Deals found on 29/3

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 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 31 March 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.

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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 31 March 2025.
To help decide which airline to fly from Connecticut to London, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
1,321 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
1,267 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
770 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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.
Azores Airlines
7.5
Good
64 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £141. TAP AIR PORTUGAL flights start at £173 while deals on Delta start at £228 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
Deal
Milton Keynes
Gatwick
Luton
Croydon
Slough
Eastbourne
Northampton
Wembley
Crawley
Winchester
Swindon
Southend-on-Sea
Maidstone
Hayes
Ipswich
Ilford
Southall
Dartford

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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Fly with Cheapflights

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How does Cheapflights help users find flights from Connecticut to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from Connecticut to Heathrow?

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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.

Can Cheapflights notify me if prices for flights from Connecticut to Heathrow become cheaper?

Of course! You can now track prices for flights from Connecticut to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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