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Cheap flights from Connecticut to London Heathrow Airport from £135

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£329

One-way from

£135
Air Canada
  • Air Canada
  • 21/3-23/3
  • 2 total stops
  • 54h 33m total
  • Connecticut to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 22/3
  • Nonstop
  • 6h 55m 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 21 February 2025.

Fri 21/319:25JFK - LHR
1 stop21h 55mMultiple Airlines
Sun 23/318:00LHR - JFK
1 stop32h 38mMultiple Airlines
Deal found 20/2£329
Fri 21/310:05JFK - LHR
1 stop17h 05mUnited Airlines
Fri 28/308:55LHR - JFK
1 stop12h 45mUnited Airlines
Deal found 20/2£336
Fri 4/418:10JFK - LHR
1 stop21h 45mBrussels Airlines
Sun 6/407:45LHR - JFK
2 stops36h 15mBrussels Airlines
Deal found 21/2£341
Fri 21/312:45LGA - LHR
1 stop14h 25mUnited Airlines
Fri 28/315:00LHR - LGA
1 stop10h 33mUnited Airlines
Deal found 20/2£349
Tue 1/420:25JFK - LHR
1 stop10h 30mIcelandair
Sun 13/421:25LHR - JFK
1 stop29h 45mIcelandair
Deal found 19/2£354
Sun 16/315:35LGA - LHR
1 stop11h 35mAir Canada
Sun 23/315:00LHR - LGA
1 stop22h 30mAir Canada
Deal found 20/2£356
Sun 2/321:00JFK - LHR
1 stop11h 00mSWISS
Tue 11/308:55LHR - JFK
1 stop12h 45mSWISS
Deal found 21/2£357
Wed 26/222:00JFK - LHR
1 stop12h 30mTAP AIR PORTUGAL
Wed 5/308:15LHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 19/2£373
Wed 19/315:35LGA - LHR
1 stop11h 35mMultiple Airlines
Wed 26/308:55LHR - LGA
2 stops14h 47mMultiple Airlines
Deal found 20/2£383
Wed 30/409:00JFK - LHR
2 stops16h 35mAir Canada
Wed 7/506:50LHR - JFK
2 stops13h 10mAir Canada
Deal found 20/2£400
Tue 11/319:10JFK - LHR
1 stop11h 15mAustrian Airlines
Tue 25/306:00LHR - JFK
1 stop13h 35mAustrian Airlines
Deal found 19/2£405
Sun 9/300:45JFK - LHR
Nonstop6h 55mBritish Airways
Mon 17/318:00LHR - JFK
Nonstop8h 10mBritish Airways
Deal found 19/2£412

Find flights from Connecticut to Heathrow within your budget

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 21 February 2025.

Fly from

Connecticut

Fly to

Heathrow

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 21/3

19:25-21:20

1 stop21h 55m

London Heathrow

Sun 23/3

18:00-22:38

1 stop32h 38m

£329

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 21/3

10:05-07:10

1 stop17h 05m

London Heathrow

Fri 28/3

08:55-17:40

1 stop12h 45m

£336

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 21/3

12:45-07:10

1 stop14h 25m

London Heathrow

Fri 28/3

15:00-21:33

1 stop10h 33m

£349

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 1/4

20:25-11:55

1 stop10h 30m

London Heathrow

Sun 13/4

21:25-22:10

1 stop29h 45m

£354

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 16/3

15:35-07:10

1 stop11h 35m

London Heathrow

Sun 23/3

15:00-09:30

1 stop22h 30m

£356

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 23/3

17:25-08:05

1 stop10h 40m

London Heathrow

Wed 2/4

06:00-16:35

1 stop15h 35m

£360

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 30/3

21:45-18:40

1 stop15h 55m

London Heathrow

Sun 6/4

19:30-20:05

1 stop29h 35m

£398

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 30/4

09:00-06:35

2 stops16h 35m

London Heathrow

Wed 7/5

06:50-15:00

2 stops13h 10m

£400

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 22/3

21:40-08:40

Nonstop7h 00m

London Heathrow

Sat 29/3

17:05-21:00

Nonstop7h 55m

£407

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 5/3

17:40-07:50

1 stop9h 10m

London Heathrow

Wed 12/3

19:00-23:00

Nonstop8h 00m

£414

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Connecticut to Heathrow

Get recent, data-driven insights about flights from Connecticut to Heathrow including ideal travel times, pricing trends, and more.

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 £163). 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 21 February 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 21 February 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
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
1,273 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
7.6
Good
62 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
773 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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 Virgin Atlantic, which is currently one of the cheapest options available, starting at £135. Icelandair flights start at £151 while deals on Delta start at £183 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 £163). 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
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

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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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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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