How long is the flight from Connecticut to London?

For as low as £480, Finnair can have you in London from Connecticut in 7h. 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 New York John F Kennedy Intl - 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.

£159+ 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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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 19 September 2026.

Thu 15/1016:15 -

2 stops26h 05m

Thu 22/1008:30 -

3 stops34h 50m

Deal found 14/9£447

Sun 29/1119:25 -

1 stop14h 40m

Thu 3/1206:00 -

1 stop17h 00m

Deal found 14/9£449

Wed 23/923:55 -

1 stop12h 40m

Tue 6/1011:35 -

1 stop15h 50m

Deal found 14/9£449

Sun 15/1119:25 -

1 stop14h 45m

Fri 20/1111:55 -

1 stop11h 05m

Deal found 15/9£449

Thu 5/1123:45 -

1 stop28h 25m

Tue 10/1109:55 -

1 stop17h 05m

Deal found 15/9£450

Thu 29/1017:25 -

2 stops25h 50m

Thu 5/1108:45 -

2 stops33h 30m

Deal found 14/9£450

Wed 14/1016:00 -

2 stops19h 25m

Wed 21/1006:00 -

2 stops21h 36m

Deal found 15/9£451

Thu 15/1016:15 -

2 stops26h 10m

Thu 22/1013:00 -

3 stops30h 20m

Deal found 14/9£451

Wed 23/923:55 -

1 stop11h 05m

Tue 6/1016:50 -

1 stop10h 35m

Deal found 16/9£451

Mon 7/1217:00 -

1 stop16h 05m

Mon 14/1206:35 -

1 stop17h 54m

Deal found 15/9£451

Tue 6/1016:15 -

2 stops24h 00m

Mon 12/1009:45 -

2 stops32h 05m

Deal found 16/9£451

Thu 15/1016:45 -

2 stops15h 10m

Mon 19/1021:30 -

2 stops23h 16m

Deal found 16/9£452

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 19 September 2026.

Wed 2/1222:05 -

2 stops19h 25m

Mon 7/1214:35 -

2 stops32h 15m

Deal found 15/9£464

Tue 3/1110:10 -

Nonstop7h 00m

Tue 10/1110:20 -

1 stop13h 45m

Deal found 15/9£480

Thu 12/1122:00 -

2 stops17h 35m

Tue 24/1110:40 -

1 stop14h 25m

Deal found 17/9£494

Sun 11/1019:00 -

Nonstop7h 15m

Thu 22/1011:45 -

Nonstop8h 14m

Deal found 18/9£499

Mon 12/1017:10 -

1 stop11h 25m

Mon 19/1009:55 -

2 stops34h 45m

Deal found 16/9£504

Wed 11/1115:30 -

1 stop10h 40m

Tue 17/1113:00 -

1 stop13h 30m

Deal found 15/9£507

Wed 28/1023:05 -

1 stop13h 20m

Mon 2/1117:25 -

1 stop29h 25m

Deal found 18/9£518

Sun 11/1016:00 -

2 stops12h 25m

Thu 22/1010:25 -

2 stops18h 08m

Deal found 18/9£521

Fri 25/918:00 -

Nonstop7h 20m

Wed 30/906:30 -

1 stop11h 02m

Deal found 14/9£534

Sun 13/1219:25 -

1 stop10h 30m

Fri 25/1211:55 -

1 stop11h 05m

Deal found 16/9£544

Fri 9/1018:40 -

Nonstop7h 10m

Tue 20/1019:25 -

Nonstop8h 00m

Deal found 18/9£545

Fri 13/1112:50 -

1 stop22h 30m

Tue 17/1117:20 -

1 stop22h 35m

Deal found 14/9£615

Tue 10/1118:00 -

1 stop10h 15m

Thu 26/1109:50 -

1 stop11h 10m

Deal found 17/9£669

Mon 7/1221:05 -

2 stops16h 50m

Wed 9/1207:00 -

2 stops16h 55m

Deal found 15/9£675

Mon 7/1217:55 -

1 stop10h 50m

Tue 12/111:40 -

1 stop26h 00m

Deal found 18/9£879

Wed 30/916:15 -

2 stops16h 40m

Tue 6/1013:40 -

2 stops31h 55m

Deal found 14/9£464

Wed 14/1013:15 -

1 stop12h 30m

Tue 20/1015:50 -

Nonstop7h 55m

Deal found 18/9£502

Thu 15/1019:15 -

Nonstop7h 05m

Wed 13/110:20 -

1 stop13h 45m

Deal found 17/9£517

Sun 27/917:30 -

1 stop11h 30m

Tue 29/906:50 -

2 stops16h 51m

Deal found 19/9£518

Tue 15/1212:56 -

1 stop13h 49m

Fri 25/1216:35 -

Nonstop8h 25m

Deal found 16/9£527

Tue 13/1000:30 -

1 stop15h 35m

Tue 20/1018:15 -

2 stops40h 50m

Deal found 18/9£486

Thu 5/1100:10 -

2 stops28h 15m

Sun 15/1109:05 -

1 stop18h 25m

Deal found 17/9£552

Sun 13/1219:35 -

1 stop10h 20m

Fri 25/1211:55 -

1 stop11h 30m

Deal found 16/9£556

Wed 28/1013:59 -

1 stop13h 51m

Sun 8/1108:40 -

2 stops15h 55m

Deal found 15/9£544

Thu 19/1116:25 -

2 stops24h 35m

Thu 26/1121:30 -

2 stops24h 10m

Deal found 17/9£495

Thu 8/1009:35 -

Nonstop7h 05m

Tue 27/1013:10 -

1 stop13h 19m

Deal found 19/9£545

Mon 12/1010:35 -

1 stop18h 25m

Thu 22/1007:25 -

2 stops16h 36m

Deal found 18/9£556

Sun 11/1008:15 -

Nonstop6h 55m

Sun 18/1018:35 -

Nonstop8h 15m

Deal found 16/9£558

Tue 15/1217:40 -

1 stop14h 15m

Sat 19/1217:30 -

1 stop25h 25m

Deal found 18/9£619

Fri 16/1023:00 -

2 stops16h 25m

Mon 16/1111:00 -

2 stops16h 10m

Deal found 15/9£571

Find flight deals from Connecticut to London

Round-trip from	£447
One-way from	£159
Popular in	June
Cheapest in	January
Average price	£683

15/10-22/10
5 total stops
60h 55m total
Connecticut to London

Search Deals

17/10-31/12
2 total stops
54h 40m total
Connecticut to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

JFK New York John F Kennedy Intl - LTN London Luton

JFKLTN

New York John F Kennedy Intl

Sun 11/10

00:30-08:30

1 stop27h 00m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£173

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Thu 15/10

13:30-02:30

1 stop32h 00m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£176

New YorkLondon

JFK New York John F Kennedy Intl - STN London Stansted

JFKSTN

New York John F Kennedy Intl

Mon 12/10

16:55-20:40

2 stops22h 45m

London Stansted

Wed 31/12

00:00-18:00

Nonstop0h 00m

£194

New YorkLondon

JFK New York John F Kennedy Intl - LTN London Luton

JFKLTN

New York John F Kennedy Intl

Fri 16/10

14:00-19:55

2 stops24h 55m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£197

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Fri 16/10

14:00-01:10

1 stop30h 10m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£203

New YorkLondon

JFK New York John F Kennedy Intl - LGW London Gatwick

JFKLGW

New York John F Kennedy Intl

Wed 14/10

13:25-22:55

1 stop28h 30m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£205

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Mon 7/12

21:00-09:10

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Mon 28/9

17:50-05:50

Nonstop7h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Thu 1/10

23:55-12:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

NewarkLondon

EWR Newark - LHR London Heathrow

EWRLHR

Newark

Wed 9/12

22:00-10:25

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£221

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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-LTN

EWR-LHR

JFK-LHR

LGA-LHR

EWR-LGW

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-LTN

EWR-LHR

JFK-LHR

LGA-LHR

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

Currently, February is the cheapest month in which you can book a flight from Connecticut to London (average of £598). Flying from Connecticut to London in June is currently the most expensive (average of £1,037). 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 £579 and £770 in November.
The cheapest return price found within the last 5 days was £434 on Multiple Airlines (24 Nov–1 Dec).

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 38 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 £480, Finnair can have you in London from Connecticut in 7h. 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 New York John F Kennedy Intl - 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, February is the cheapest month in which you can book a flight from Connecticut to London (average of £598). Flying from Connecticut to London in June is currently the most expensive (average of £1,037). 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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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 £159

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. 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 19 September 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 19 September 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 19 September 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 19 September 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 19 September 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 19 September 2026.

Last-minute flights from Connecticut to LondonDiscover last-minute flight deals from Connecticut to London. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Connecticut to London. Data last updated 19 September 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 19 September 2026.

Search for one-way flight options from Connecticut to London. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Connecticut to London

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Cheapflights Fare Finder

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 £579 and £770 in November.The cheapest return price found within the last 5 days was £434 on Multiple Airlines (24 Nov–1 Dec).

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 38 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?

Travelling to a place near London?

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Complete your trip

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Direct flights to England

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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 19 September 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 19 September 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 19 September 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 19 September 2026.

Last-minute flights from Connecticut to London
Discover last-minute flight deals from Connecticut to London. Data last updated 19 September 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 19 September 2026.

Connecticut to London flights typically cost between £579 and £770 in November.
The cheapest return price found within the last 5 days was £434 on Multiple Airlines (24 Nov–1 Dec).