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Cheap flights from Connecticut to London from £126

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Connecticut to London

Enter your travel dates to find the best prices.

Cheapest flights from Connecticut to London
Explore the most affordable flight options available from Connecticut to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Fri 5/1213:00EWR - LHR
1 stop26h 35mAir Canada
Thu 11/1209:00LHR - EWR
1 stop32h 18mAir Canada
Deal found 4/12£369
Tue 2/1213:00EWR - LHR
1 stop26h 35mAir Canada
Sat 6/1209:00LHR - EWR
1 stop32h 18mAir Canada
Deal found 2/12£370
Wed 31/1218:00EWR - LHR
Nonstop7h 20mUnited Airlines
Wed 21/112:05LHR - EWR
1 stop13h 25mUnited Airlines
Deal found 2/12£371
Wed 3/1218:00EWR - LHR
Nonstop7h 20mUnited Airlines
Sat 6/1212:05LHR - EWR
1 stop13h 25mUnited Airlines
Deal found 2/12£372
Fri 5/1213:00EWR - LHR
1 stop26h 35mAir Canada
Fri 12/1209:00LHR - EWR
1 stop32h 18mAir Canada
Deal found 3/12£372
Wed 10/1215:30EWR - LHR
1 stop10h 40mUnited Airlines
Sat 17/112:05LHR - EWR
1 stop13h 25mUnited Airlines
Deal found 3/12£373
Thu 4/1213:00EWR - LHR
1 stop26h 35mUnited Airlines
Thu 11/1206:35LHR - EWR
1 stop17h 30mUnited Airlines
Deal found 3/12£374
Fri 5/1200:25EWR - LGW
1 stop26h 55mTAP AIR PORTUGAL
Mon 15/1210:40LGW - EWR
2 stops16h 25mTAP AIR PORTUGAL
Deal found 3/12£374
Fri 5/1219:52EWR - LHR
1 stop29h 48mUnited Airlines
Fri 12/1209:00LHR - EWR
1 stop32h 18mUnited Airlines
Deal found 2/12£375
Sun 7/1221:57EWR - LHR
1 stop31h 53mUnited Airlines
Sun 14/1209:00LHR - EWR
1 stop32h 18mUnited Airlines
Deal found 1/12£375
Tue 9/1214:20EWR - LGW
2 stops15h 30mMultiple Airlines
Tue 16/1209:40LGW - EWR
2 stops15h 50mMultiple Airlines
Deal found 2/12£375
Wed 3/1215:00EWR - LHR
1 stop13h 20mAir Canada
Thu 22/109:00LHR - EWR
2 stops15h 38mAir Canada
Deal found 3/12£376

Find flight deals from Connecticut to London

Keep the following information in mind while searching for Connecticut to London flight deals. Data was last updated 5 December 2025.

Round-trip from

£369

One-way from

£126

Popular in

June

Cheapest in

October

Average price

£776
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 8/1-23/1
  • 3 total stops
  • 29h 50m total
  • Connecticut to London
Search Deals
10/12
  • 10/12
  • 1 total stop
  • 10h 40m total
  • Connecticut to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Connecticut to London 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 5 December 2025.
Use the filters below to find and compare flights from Connecticut to London that are best for you.

Fly from

Connecticut

Fly to

London

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 11/2

11:52-09:20

1 stop16h 28m

London Heathrow

Mon 16/2

12:05-20:30

1 stop13h 25m

£377

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 19/2

20:45-09:10

Nonstop7h 25m

London Heathrow

Tue 24/2

12:05-20:30

1 stop13h 25m

£377

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Fri 27/2

22:35-18:15

1 stop14h 40m

London Luton

Sat 7/3

08:30-20:35

1 stop17h 05m

£378

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Wed 11/3

18:00-08:35

1 stop10h 35m

London Luton

Sun 15/3

13:10-20:25

1 stop11h 15m

£378

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 22/1

23:55-15:50

1 stop10h 55m

London Gatwick

Sun 25/1

10:40-22:10

1 stop16h 30m

£381

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 28/2

09:45-06:30

1 stop15h 45m

London Heathrow

Tue 10/3

09:00-14:05

1 stop33h 05m

£381

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Mon 26/1

09:55-10:00

1 stop19h 05m

London Gatwick

Mon 2/2

14:00-20:00

1 stop35h 00m

£384

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 19/3

09:20-20:10

Nonstop6h 50m

London Heathrow

Tue 31/3

09:55-15:25

1 stop10h 30m

£386

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 13/3

19:00-06:20

Nonstop7h 20m

London Heathrow

Thu 19/3

10:00-16:45

1 stop10h 45m

£386

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 5/2

19:01-06:55

Nonstop6h 54m

London Heathrow

Sun 8/2

11:45-19:20

1 stop12h 35m

£386

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to London

Have a flexible travel schedule? Discover the best time to fly to London 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

What is the cheapest month to book a flight from Connecticut to London?

Currently, October is the cheapest month in which you can book a flight from Connecticut to London (average of £12). Flying from Connecticut to London in July is currently the most expensive (average of £646). 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 LON?

Find hourly flight availability from Connecticut to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

It’s optimal to fly from Connecticut to London in the morning. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight from Connecticut to London?

Related info for your journey

Find useful and relevant information for your journey from Connecticut to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Connecticut to London?

    For as low as £386, United Airlines can have you in London from Connecticut in 6h 50m. There are 3440 mi between Connecticut and London. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Connecticut to London?

    The most popular flight routes from Connecticut to London are New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow and Newark - London Gatwick.

  • Can I find deals for flights from Connecticut to London that include hotel bookings?

    Yes. In addition to deals on Connecticut to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Connecticut to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to London.

  • Can I find deals for business class flights from Connecticut to London?

    Yes. Cheapflights offers flight deals from Connecticut to London 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?

    Currently, October is the cheapest month in which you can book a flight from Connecticut to London (average of £12). Flying from Connecticut to London in July is currently the most expensive (average of £646). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Romford
Bedford
Chichester
Guildford
Ipswich

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Alternative routes for Connecticut to London

See prices for flight routes from nearby airports that may be better suited for you.
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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 London?

When you search for this flight from Connecticut to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Connecticut to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Connecticut to London with no change fees?

Yes! Cheapflights helps users easily find flights from Connecticut to London with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Connecticut today and book when prices fit your budget.

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