Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Connecticut to London Heathrow Airport from £140

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
1 May — 8 May1
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 26 April 2025.

Round-trip from

£382

One-way from

£140
Icelandair
  • Icelandair
  • 8/5-14/5
  • 2 total stops
  • 30h 15m total
  • Connecticut to London
Search Deals
Icelandair
  • Icelandair
  • 26/7
  • 1 total stop
  • 10h 30m 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 26 April 2025.

Thu 8/523:10JFK - LHR
1 stop16h 10mIcelandair
Wed 14/513:05LHR - JFK
1 stop14h 05mIcelandair
Deal found 25/4£382
Wed 17/918:55JFK - LHR
2 stops16h 30mScandinavian Airlines
Tue 30/921:05LHR - JFK
2 stops23h 35mScandinavian Airlines
Deal found 26/4£382
Fri 16/520:30JFK - LHR
1 stop11h 30mMultiple Airlines
Sun 18/507:25LHR - JFK
1 stop12h 35mMultiple Airlines
Deal found 26/4£388
Tue 5/807:50JFK - LHR
Nonstop6h 55mBritish Airways
Sun 17/817:00LHR - JFK
Nonstop7h 55mBritish Airways
Deal found 25/4£394
Sat 26/409:45JFK - LHR
Nonstop6h 55mIberia
Fri 2/519:40LHR - JFK
Nonstop7h 50mIberia
Deal found 25/4£397
Mon 6/1018:50LGA - LHR
1 stop9h 45mAir Canada
Tue 21/1009:30LHR - LGA
1 stop10h 17mAir Canada
Deal found 26/4£397
Fri 16/519:25JFK - LHR
1 stop13h 15mSWISS
Sun 18/508:45LHR - JFK
1 stop12h 50mSWISS
Deal found 25/4£397
Thu 24/421:35LGA - LHR
2 stops36h 05mUnited Airlines
Sun 27/408:30LHR - LGA
1 stop28h 21mUnited Airlines
Deal found 24/4£398
Fri 25/419:25JFK - LHR
2 stops17h 15mUnited Airlines
Sun 27/407:30LHR - JFK
2 stops36h 30mUnited Airlines
Deal found 25/4£400
Fri 9/509:00JFK - LHR
1 stop20h 00mAir Canada
Thu 15/509:30LHR - JFK
1 stop17h 18mAir Canada
Deal found 25/4£411
Mon 12/521:30JFK - LHR
Nonstop7h 30mVirgin Atlantic
Mon 16/620:10LHR - JFK
Nonstop7h 50mVirgin Atlantic
Deal found 25/4£415
Fri 2/515:30EWR - LHR
1 stop10h 00mMultiple Airlines
Sat 10/513:45LHR - EWR
1 stop11h 25mMultiple Airlines
Deal found 25/4£418

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 26 April 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 8/5

23:10-20:20

1 stop16h 10m

London Heathrow

Wed 14/5

13:05-22:10

1 stop14h 05m

£382

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 17/9

18:55-16:25

2 stops16h 30m

London Heathrow

Tue 30/9

21:05-15:40

2 stops23h 35m

£382

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/5

20:30-13:00

1 stop11h 30m

London Heathrow

Sun 18/5

07:25-15:00

1 stop12h 35m

£388

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/8

07:50-19:45

Nonstop6h 55m

London Heathrow

Sun 17/8

17:00-19:55

Nonstop7h 55m

£394

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

16:45-08:25

1 stop10h 40m

London Heathrow

Sun 11/5

08:25-11:10

Nonstop7h 45m

£397

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 6/10

18:50-09:35

1 stop9h 45m

London Heathrow

Tue 21/10

09:30-14:47

1 stop10h 17m

£397

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 16/5

19:25-13:40

1 stop13h 15m

London Heathrow

Sun 18/5

06:00-16:35

1 stop15h 35m

£397

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 15/8

09:00-06:30

1 stop16h 30m

London Heathrow

Fri 5/9

08:40-16:35

1 stop12h 55m

£409

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/5

09:00-10:00

1 stop20h 00m

London Heathrow

Thu 15/5

09:30-21:48

1 stop17h 18m

£411

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 12/5

21:30-10:00

Nonstop7h 30m

London Heathrow

Mon 16/6

20:10-23:00

Nonstop7h 50m

£415

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 60 results
1
2
3
...
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 26 April 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 26 April 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
7,920 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
1,334 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
1,272 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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
780 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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.
SWISS
7.5
Good
1,586 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

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 £140. TAP AIR PORTUGAL flights start at £166 while deals on British Airways start at £176 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Connecticut to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Connecticut to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights