How long is the flight from London to Connecticut?

Airlines like United Airlines fly from London to Connecticut in about 19h 59m. The time it takes to get you to your destination can typically vary by up to . The distance from London to Connecticut is about 3340 mi.

In terms of precipitation, rainfall in Connecticut ranges from 79.0 - 105.0 inches per month. September is typically the wettest month, when rainfall can reach 105.0 mm. February is typically the driest time to visit Connecticut when rainfall is around 79.0 mm.

If weather is an important factor for your trip to Connecticut, 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 23.0 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 London to Connecticut?

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

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

When flying from London to Connecticut, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from London to Connecticut?

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

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

Yes. Cheapflights offers flight deals from London to Connecticut by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£393+ Cheap Flights from London to Connecticut

Cheap flight deals from London to Connecticut

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Connecticut
Explore the most affordable flight options available from London to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Thu 12/1109:50 -

1 stop11h 35m

Thu 19/1109:51 -

2 stops17h 14m

Deal found 15/10£568

Tue 17/1109:00 -

2 stops19h 59m

Wed 25/1115:00 -

2 stops16h 00m

Deal found 15/10£609

Mon 23/1109:00 -

2 stops19h 59m

Sun 29/1117:02 -

1 stop31h 53m

Deal found 16/10£610

Tue 1/1209:00 -

2 stops19h 44m

Tue 8/1215:07 -

2 stops13h 03m

Deal found 17/10£613

Mon 16/1109:00 -

2 stops19h 59m

Mon 23/1110:37 -

2 stops16h 18m

Deal found 19/10£614

Sun 15/1111:05 -

2 stops51h 36m

Sun 22/1119:54 -

2 stops20h 26m

Deal found 16/10£627

Tue 17/1112:20 -

1 stop16h 18m

Wed 25/1106:00 -

1 stop10h 40m

Deal found 15/10£634

Mon 16/1112:05 -

1 stop16h 54m

Mon 30/1109:37 -

1 stop15h 18m

Deal found 17/10£642

Mon 30/1113:00 -

2 stops15h 59m

Mon 7/1215:07 -

1 stop14h 43m

Deal found 16/10£643

Thu 19/1111:00 -

1 stop29h 31m

Mon 23/1113:43 -

2 stops21h 02m

Deal found 19/10£696

Mon 23/1120:35 -

1 stop24h 50m

Tue 1/1217:55 -

1 stop9h 25m

Deal found 16/10£703

Thu 12/1108:50 -

1 stop12h 35m

Thu 19/1113:28 -

2 stops14h 47m

Deal found 15/10£718

Best flights from London to Connecticut
Discover carefully curated flight deals from London to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Tue 24/1109:00 -

2 stops19h 59m

Tue 1/1206:00 -

2 stops18h 55m

Deal found 16/10£610

Thu 12/1108:50 -

1 stop12h 35m

Thu 19/1113:28 -

2 stops14h 47m

Deal found 15/10£718

Wed 18/1110:05 -

2 stops42h 52m

Wed 25/1106:00 -

2 stops22h 10m

Deal found 19/10£854

Mon 23/1109:00 -

2 stops17h 47m

Tue 1/1215:07 -

2 stops15h 53m

Deal found 16/10£610

Mon 23/1109:00 -

2 stops19h 59m

Sun 29/1117:02 -

1 stop31h 53m

Deal found 16/10£610

Sat 31/1010:10 -

1 stop11h 15m

Wed 4/1109:50 -

2 stops17h 35m

Deal found 15/10£732

Tue 1/1209:00 -

2 stops19h 44m

Tue 8/1215:07 -

2 stops13h 03m

Deal found 17/10£613

Tue 24/1110:40 -

2 stops18h 17m

Tue 1/1206:00 -

2 stops28h 45m

Deal found 16/10£756

Wed 2/1212:05 -

1 stop12h 12m

Wed 9/1215:07 -

1 stop10h 33m

Deal found 18/10£644

Sun 22/1110:10 -

2 stops42h 47m

Fri 4/1206:00 -

2 stops46h 10m

Deal found 19/10£859

Thu 19/1109:00 -

2 stops19h 59m

Mon 23/1115:00 -

2 stops13h 10m

Deal found 19/10£644

Sun 22/1117:25 -

2 stops35h 32m

Sat 5/1206:00 -

2 stops22h 10m

Deal found 19/10£859

Sun 22/1109:40 -

1 stop32h 08m

Fri 4/1213:04 -

2 stops15h 56m

Deal found 19/10£847

Sat 5/1209:00 -

2 stops19h 44m

Mon 14/1209:35 -

1 stop21h 25m

Deal found 19/10£647

Thu 19/1117:25 -

2 stops35h 32m

Mon 23/1106:00 -

2 stops22h 10m

Deal found 19/10£865

Tue 17/1106:30 -

2 stops22h 08m

Wed 25/1106:00 -

2 stops35h 35m

Deal found 15/10£853

Thu 28/109:00 -

2 stops19h 59m

Mon 1/214:58 -

1 stop10h 42m

Deal found 14/10£647

Thu 14/106:30 -

2 stops22h 29m

Fri 29/106:00 -

2 stops35h 35m

Deal found 14/10£874

Wed 13/117:25 -

2 stops35h 34m

Tue 26/106:00 -

2 stops35h 35m

Deal found 14/10£874

Find flight deals from London to Connecticut

Round-trip from	£568
One-way from	£393
Popular in	August
Cheapest in	February
Average price	£788

Aer Lingus
12/11-19/11
3 total stops
28h 49m total
London to Connecticut

Search Deals

30/10-31/12
2 total stops
39h 07m total
London to Connecticut

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£44 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 October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 25/11

07:25-23:57

1 stop21h 32m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£412

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Wed 25/11

09:50-22:28

2 stops17h 38m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£420

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Thu 29/10

11:00-14:20

1 stop31h 20m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£432

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Wed 10/3

20:25-16:25

1 stop25h 00m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£435

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Wed 25/11

09:50-14:27

2 stops33h 37m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£436

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Wed 28/10

09:50-22:07

2 stops40h 17m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£448

LondonHartford

LHR London Heathrow - BDL Hartford Bradley Intl

LHRBDL

London Heathrow

Thu 11/3

12:20-23:46

1 stop16h 26m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£462

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Sun 1/11

12:35-14:20

1 stop30h 45m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£477

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Sun 8/11

09:40-14:20

1 stop33h 40m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£483

LondonHartford

LGW London Gatwick - BDL Hartford Bradley Intl

LGWBDL

London Gatwick

Mon 30/11

17:25-16:25

2 stops28h 00m

Hartford Bradley Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£483

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 40 resultsSorted by cheapest first

Best time to book a flight from London to Connecticut

Have a flexible travel schedule? Discover the best time to fly to Connecticut from London with our price prediction graph.

LHR-BDL

LGW-BDL

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 London to Connecticut

LON-USCT

LHR-BDL

LGW-BDL

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

Currently, January is the cheapest month in which you can book a flight from London to Connecticut (average of £576). Flying from London to Connecticut in July is currently the most expensive (average of £909). 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 London to Connecticut?

Airfare is below average for this route at the moment.

London to Connecticut flights typically cost between £709 and £838 in November.
The cheapest return price found within the last 5 days was £568 on Aer Lingus (12 Nov–19 Nov).

Reviews of airlines servicing Connecticut

Get a feel of what it's like to fly with Aer Lingus,United Airlines, andJetBlue from London to Connecticut by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,845 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Aer Lingus

7.3

Good

1,845 reviews

Aer Lingus

7.3

Good

1,845 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

United Airlines

7.3

Good

10,389 reviews

Aer Lingus

7.3

Good

1,845 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

JetBlue

7.1

Good

3,059 reviews

Aer Lingus

7.3

Good

1,845 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

How long is the flight from London to Connecticut?
Airlines like United Airlines fly from London to Connecticut in about 19h 59m. The time it takes to get you to your destination can typically vary by up to . The distance from London to Connecticut is about 3340 mi.
What are the most popular routes from London to Connecticut?
The most popular flight routes from London to Connecticut are London Heathrow - New York John F Kennedy Intl, London Heathrow - Newark and London Heathrow - New York LaGuardia.
Can I find deals for flights from London to Connecticut that include hotel bookings?
Yes. In addition to deals on London to Connecticut flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Connecticut?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Connecticut.
Can I find deals for business class flights from London to Connecticut?
Yes. Cheapflights offers flight deals from London to Connecticut 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 London to Connecticut?
Currently, January is the cheapest month in which you can book a flight from London to Connecticut (average of £576). Flying from London to Connecticut in July is currently the most expensive (average of £909). 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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Alternative routes for London to Connecticut

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Top 2 airlines flying from London to Connecticut

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£456	Average£582	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£587	Average£825	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Connecticut 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 London to Connecticut with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Connecticut flexibly with Cheapflights today.

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Cheap flights from London to Connecticut from £393

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Connecticut

Cheapest flights from London to ConnecticutExplore the most affordable flight options available from London to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Explore the most affordable flight options available from London to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Best flights from London to ConnecticutDiscover carefully curated flight deals from London to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Discover carefully curated flight deals from London to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

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

Discover last-minute flight deals from London to Connecticut. Data last updated 19 October 2026 and is based on user searches.

One-way flights from London to ConnecticutSearch for one-way flight options from London to Connecticut. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

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

Find flight deals from London to Connecticut

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One-way from

Popular in

Cheapest in

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Cheapflights Fare Finder

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

Best time to book a flight from London to Connecticut

Have a flexible travel schedule? Discover the best time to fly to Connecticut from London with our price prediction graph.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

London to Connecticut flights typically cost between £709 and £838 in November.The cheapest return price found within the last 5 days was £568 on Aer Lingus (12 Nov–19 Nov).

Reviews of airlines servicing Connecticut

Get a feel of what it's like to fly with Aer Lingus,United Airlines, andJetBlue from London to Connecticut by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Connecticut?

What are the most popular routes from London to Connecticut?

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

How can I find direct flights from London to Connecticut?

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

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

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 London to Connecticut

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

Complete your trip

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

Direct flights to United States

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

Search flights from London to Connecticut by cabin class

Find flights from London to Connecticut, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Connecticut flights

Browse other London and Connecticut flight options. Last updated on 19 October 2026.

Popular flight searches

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London to Connecticut flights

Consider these flights travelling from London to Connecticut.

Top 2 airlines flying from London to Connecticut

Fly with Cheapflights

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

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

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

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

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Cheapest flights from London to Connecticut
Explore the most affordable flight options available from London to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 October 2026.

Best flights from London to Connecticut
Discover carefully curated flight deals from London to Connecticut that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

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

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

London to Connecticut flights typically cost between £709 and £838 in November.
The cheapest return price found within the last 5 days was £568 on Aer Lingus (12 Nov–19 Nov).