How long is the flight from Connecticut to London?

For as low as £507, LEVEL can have you in London from Connecticut in 11h 25m. There are 3440 mi between Connecticut and London. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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).

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.

What is the cheapest time of day to fly from CT to LON?

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

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.

£144+ Cheap Flights from Connecticut to London

Cheap flight deals from Connecticut to London

Enter your travel dates to find the best prices.

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Best

Direct

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One-way

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 August 2026.

Fri 18/918:20 -

Nonstop7h 00m

Fri 25/913:05 -

Nonstop7h 50m

Deal found 4/8£398

Sat 26/918:20 -

Nonstop7h 00m

Sat 3/1013:05 -

Nonstop7h 50m

Deal found 3/8£400

Tue 22/918:20 -

Nonstop7h 00m

Sat 3/1013:05 -

Nonstop7h 50m

Deal found 4/8£402

Thu 24/918:55 -

1 stop33h 25m

Sun 27/906:40 -

2 stops15h 20m

Deal found 3/8£402

Thu 12/1119:25 -

2 stops18h 10m

Mon 16/1122:35 -

2 stops24h 25m

Deal found 3/8£405

Fri 9/1018:55 -

2 stops33h 00m

Sun 11/1019:50 -

1 stop24h 50m

Deal found 2/8£405

Thu 12/1119:25 -

2 stops22h 50m

Wed 18/1107:15 -

2 stops15h 45m

Deal found 4/8£405

Sun 11/1018:20 -

Nonstop7h 00m

Fri 23/1013:05 -

Nonstop7h 50m

Deal found 3/8£405

Sat 7/1115:15 -

1 stop10h 55m

Sun 22/1113:00 -

1 stop13h 31m

Deal found 4/8£406

Fri 18/918:55 -

2 stops14h 40m

Sun 20/906:40 -

2 stops15h 20m

Deal found 4/8£406

Thu 17/918:55 -

1 stop33h 25m

Sun 20/906:40 -

2 stops15h 20m

Deal found 4/8£407

Sun 11/1000:30 -

1 stop26h 25m

Tue 20/1008:00 -

2 stops40h 10m

Deal found 31/7£407

Best flights from Connecticut to London
Discover carefully curated flight deals from Connecticut to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Mon 24/823:50 -

1 stop28h 20m

Fri 18/920:50 -

1 stop30h 10m

Deal found 4/8£426

Fri 13/1119:25 -

1 stop13h 30m

Mon 23/1108:00 -

1 stop15h 00m

Deal found 4/8£483

Wed 14/1020:30 -

1 stop13h 10m

Wed 21/1015:40 -

1 stop32h 40m

Deal found 4/8£503

Tue 15/917:10 -

1 stop11h 25m

Wed 30/906:40 -

1 stop15h 20m

Deal found 1/8£507

Mon 5/1023:00 -

2 stops16h 25m

Mon 12/1021:15 -

1 stop28h 55m

Deal found 3/8£545

Mon 24/823:55 -

1 stop11h 05m

Wed 26/810:25 -

2 stops18h 31m

Deal found 4/8£577

Wed 21/1000:25 -

1 stop16h 45m

Tue 27/1017:20 -

1 stop34h 05m

Deal found 3/8£581

Fri 21/818:20 -

Nonstop7h 00m

Mon 31/813:05 -

Nonstop7h 50m

Deal found 4/8£594

Sun 6/1221:00 -

Nonstop7h 10m

Thu 10/1212:05 -

1 stop13h 25m

Deal found 31/7£596

Fri 6/1121:45 -

Nonstop6h 55m

Thu 12/1107:30 -

1 stop16h 35m

Deal found 31/7£598

Fri 13/1118:05 -

Nonstop7h 15m

Tue 17/1108:40 -

1 stop11h 20m

Deal found 31/7£603

Fri 25/915:30 -

1 stop10h 00m

Thu 1/1014:05 -

1 stop10h 31m

Deal found 4/8£616

Sun 16/823:55 -

1 stop11h 05m

Tue 25/810:35 -

1 stop16h 25m

Deal found 4/8£620

Sat 14/1120:55 -

1 stop31h 50m

Sat 5/1211:40 -

1 stop26h 00m

Deal found 31/7£873

Mon 24/823:10 -

2 stops16h 45m

Fri 18/917:50 -

1 stop23h 30m

Deal found 4/8£507

Fri 25/918:55 -

2 stops16h 30m

Sat 3/1017:30 -

2 stops28h 30m

Deal found 2/8£510

Tue 15/922:05 -

2 stops17h 20m

Tue 29/910:35 -

1 stop14h 30m

Deal found 31/7£547

Wed 2/918:55 -

2 stops14h 40m

Thu 17/907:05 -

1 stop13h 35m

Deal found 3/8£522

Tue 29/912:50 -

1 stop16h 05m

Thu 15/1017:35 -

1 stop22h 20m

Deal found 3/8£581

Wed 16/920:30 -

1 stop13h 10m

Sun 27/915:40 -

1 stop32h 40m

Deal found 4/8£590

Sat 26/916:55 -

1 stop10h 25m

Sat 3/1014:25 -

1 stop13h 00m

Deal found 1/8£542

Sat 19/918:20 -

Nonstop7h 05m

Sun 27/910:20 -

1 stop13h 50m

Deal found 3/8£599

Fri 4/922:00 -

Nonstop7h 25m

Fri 11/906:50 -

1 stop11h 20m

Deal found 3/8£602

Mon 5/1019:00 -

Nonstop7h 15m

Sun 11/1006:30 -

1 stop11h 03m

Deal found 2/8£604

Wed 19/815:10 -

1 stop13h 05m

Mon 24/815:20 -

1 stop11h 40m

Deal found 4/8£609

Sun 4/1016:45 -

1 stop10h 50m

Sat 10/1014:05 -

1 stop10h 31m

Deal found 4/8£620

Thu 22/1022:05 -

2 stops17h 20m

Wed 28/1010:40 -

1 stop14h 25m

Deal found 4/8£571

Wed 18/1100:20 -

1 stop28h 35m

Fri 27/1117:20 -

1 stop22h 35m

Deal found 2/8£581

Sat 24/1023:40 -

1 stop9h 35m

Sun 1/1113:45 -

1 stop10h 35m

Deal found 31/7£641

Sun 23/817:45 -

2 stops14h 10m

Fri 28/821:05 -

2 stops21h 10m

Deal found 4/8£548

Find flight deals from Connecticut to London

Round-trip from	£398
One-way from	£144
Popular in	June
Cheapest in	January
Average price	£780

Norse Atlantic UK
18/9-25/9
Nonstop
14h 50m total
Connecticut to London

Search Deals

18/10
1 total stop
27h 00m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£65 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 24/8

23:50-09:10

1 stop28h 20m

London Heathrow

Fri 18/9

20:50-22:00

1 stop30h 10m

£426

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Fri 13/11

19:25-13:55

1 stop13h 30m

London Luton

Mon 23/11

08:00-18:00

1 stop15h 00m

£483

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 14/10

20:30-14:40

1 stop13h 10m

London Gatwick

Wed 21/10

15:40-19:20

1 stop32h 40m

£503

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Mon 24/8

23:10-20:55

2 stops16h 45m

London Luton

Fri 18/9

17:50-12:20

1 stop23h 30m

£507

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 15/9

17:10-09:35

1 stop11h 25m

London Heathrow

Wed 30/9

06:40-17:00

1 stop15h 20m

£507

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 25/9

18:55-16:25

2 stops16h 30m

London Heathrow

Sat 3/10

17:30-17:00

2 stops28h 30m

£510

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 2/9

18:55-14:35

2 stops14h 40m

London Heathrow

Thu 17/9

07:05-15:40

1 stop13h 35m

£522

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Sat 26/9

16:55-08:20

1 stop10h 25m

London Luton

Sat 3/10

14:25-22:25

1 stop13h 00m

£542

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 5/10

23:00-20:25

2 stops16h 25m

London Gatwick

Mon 12/10

21:15-21:10

1 stop28h 55m

£545

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Tue 15/9

22:05-20:25

2 stops17h 20m

London Gatwick

Tue 29/9

10:35-20:05

1 stop14h 30m

£547

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

JFK-LGW

LGA-LHR

LGA-LGW

JFK-LTN

EWR-LHR

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

USCT-LON

JFK-LGW

LGA-LHR

LGA-LGW

JFK-LTN

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 £545). Flying from Connecticut to London in June is currently the most expensive (average of £940). 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.

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

Airfare is below average for this route at the moment.

Connecticut to London flights typically cost between £594 and £780 in October.
The cheapest return price found within the last 5 days was £561 on Multiple Airlines (11 Oct–29 Oct).

How far ahead should I book a flight from Connecticut to London?

To ensure you get the cheapest price possible for a flight from Connecticut to London, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Connecticut to London?
For as low as £507, LEVEL can have you in London from Connecticut in 11h 25m. 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 £545). Flying from Connecticut to London in June is currently the most expensive (average of £940). 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

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Ilford

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Watford

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Romford

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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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Cheap flights from Connecticut to London from £144

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Connecticut to London

Cheapest flights from Connecticut to LondonExplore 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 August 2026.

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 August 2026.

Best flights from Connecticut to LondonDiscover carefully curated flight deals from Connecticut to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Discover carefully curated flight deals from Connecticut to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Direct flights from Connecticut to LondonExplore direct flight options from Connecticut to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Explore direct flight options from Connecticut to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Last-minute flights from Connecticut to LondonDiscover last-minute flight deals from Connecticut to London. Data last updated 5 August 2026 and is based on user searches.

Discover last-minute flight deals from Connecticut to London. Data last updated 5 August 2026 and is based on user searches.

One-way flights from Connecticut to LondonSearch for one-way flight options from Connecticut to London. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Search for one-way flight options from Connecticut to London. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Find flight deals from Connecticut to London

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Use the filters below to find and compare flights from Connecticut to London that are best for you.

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.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Connecticut to London flights typically cost between £594 and £780 in October.The cheapest return price found within the last 5 days was £561 on Multiple Airlines (11 Oct–29 Oct).

How far ahead should I book a flight from Connecticut to London?

To ensure you get the cheapest price possible for a flight from Connecticut to London, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Connecticut to London?

What are the most popular routes from Connecticut to London?

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

How can I find direct flights from Connecticut to London?

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

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

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Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Connecticut to London by cabin class

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 August 2026.

Connecticut and London flights

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

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

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

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

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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 August 2026.

Best flights from Connecticut to London
Discover carefully curated flight deals from Connecticut to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 August 2026.

Direct flights from Connecticut to London
Explore direct flight options from Connecticut to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 August 2026.

Last-minute flights from Connecticut to London
Discover last-minute flight deals from Connecticut to London. Data last updated 5 August 2026 and is based on user searches.

One-way flights from Connecticut to London
Search for one-way flight options from Connecticut to London. Find affordable one-way fares based on user searches. Data last updated 5 August 2026.

Connecticut to London flights typically cost between £594 and £780 in October.
The cheapest return price found within the last 5 days was £561 on Multiple Airlines (11 Oct–29 Oct).