How long is the flight from Connecticut to United Kingdom?

The flight from Connecticut to United Kingdom depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Hartford (a popular airport in Connecticut) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 9h on average. If you fly from New Haven (another popular airport in Connecticut) to London Heathrow Airport, then the average flight time is 17h 28m.

What airlines fly to United Kingdom?

Aer Lingus, United Airlines and JetBlue are the top three most popular airlines that fly to United Kingdom from Connecticut according to our data. Aer Lingus is the first choice among our users, with 74% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 6 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Connecticut to United Kingdom?

Norse Atlantic UK, KLM, and United Airlines are the most popular carriers operating from Connecticut to United Kingdom

How many flights depart from Connecticut to United Kingdom on average per week?

1,001 flights are operational weekly from Connecticut to United Kingdom as of June 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

When did momondo last update prices for flights from Connecticut to United Kingdom?

Prices for flights from Connecticut to United Kingdom are updated daily.

How many operators does momondo search for flights from Connecticut to United Kingdom?

As of June 2026, there are 22 operators available to choose from for flights from Connecticut to United Kingdom.

How old do you have to be to fly from Connecticut to United Kingdom?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$163 Cheap Flights from Connecticut to the United Kingdom in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Connecticut to the United Kingdom

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 8:40 pm

LGA

LGW

33h 10m

2 stops

10:00 pm - 2:37 pm

LGW

LGA

21h 37m

2 stops

$711Multiple Airlines

Wed, Aug 5 - Wed, Aug 12

4:55 pm - 10:30 am

JFK

LTN

12h 35m

1 stop

5:10 pm - 10:25 pm

LTN

JFK

10h 15m

1 stop

$711Multiple Airlines

Sat, Aug 15 - Fri, Aug 21

8:30 pm - 11:55 am

JFK

LHR

10h 25m

1 stop

9:25 pm - 7:20 pm

LHR

JFK

26h 55m

1 stop

$711Icelandair

Mon, Aug 17 - Tue, Aug 25

6:20 pm - 6:20 am

JFK

LGW

7h 00mnonstop

1:05 pm - 3:55 pm

LGW

JFK

7h 50mnonstop

$712Norse Atlantic UK

Wed, Jul 15 - Thu, Jul 16

6:20 pm - 6:20 am

JFK

LGW

7h 00mnonstop

1:05 pm - 3:55 pm

LGW

JFK

7h 50mnonstop

$713Norse Atlantic UK

Thu, Jul 23 - Thu, Jul 30

5:10 pm - 9:35 am

JFK

LHR

11h 25m

1 stop

6:40 am - 3:40 pm

LHR

JFK

14h 00m

2 stops

$713Scandinavian Airlines

Fri, Aug 28 - Sat, Sep 12

5:10 pm - 9:35 am

JFK

LHR

11h 25m

1 stop

9:05 pm - 5:00 pm

LHR

JFK

24h 55m

2 stops

$714Scandinavian Airlines

Wed, Sep 9 - Tue, Sep 22

11:10 pm - 2:40 pm

JFK

LGW

10h 30m

1 stop

3:40 pm - 10:05 pm

LGW

JFK

11h 25m

1 stop

$716Icelandair

Tue, Jul 14 - Wed, Aug 19

7:25 pm - 7:55 am

JFK

LHR

31h 30m

2 stops

6:00 am - 12:50 pm

LHR

JFK

11h 50m

1 stop

$716SWISS

Tue, Aug 18 - Fri, Aug 21

7:25 pm - 11:20 am

JFK

LHR

34h 55m

2 stops

8:45 am - 12:50 pm

LHR

JFK

33h 05m

1 stop

$717SWISS

Sat, Aug 15 - Tue, Aug 18

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British Airways flights from Connecticut to United Kingdom

Our best British Airways deals on Connecticut to United Kingdom flight tickets

British Airways

Aug 26

LGA9:18 pmNew York LaGuardia

31h 57m

1 stop

LHR10:15 amLondon Heathrow

Aug 30

LHR10:05 amLondon Heathrow

15h 35m

1 stop

LGA8:40 pmNew York LaGuardia

$745

British Airways

Aug 19

LGA4:59 pmNew York LaGuardia

12h 16m

1 stop

LHR10:15 amLondon Heathrow

Aug 26

LHR2:30 pmLondon Heathrow

21h 44m

1 stop

LGA7:14 amNew York LaGuardia

$748

British Airways

Oct 1

EWR5:50 pmNewark

7h 00m

LHR5:50 amLondon Heathrow

Oct 28

LHR4:25 pmLondon Heathrow

8h 10m

EWR8:35 pmNewark

$781

United Airlines flights from Connecticut to United Kingdom

Our best United Airlines deals on Connecticut to United Kingdom flight tickets

United Airlines

Oct 8

EWR9:30 amNewark

6h 50m

LHR9:20 pmLondon Heathrow

Oct 26

LHR12:05 pmLondon Heathrow

13h 25m

1 stop

EWR9:30 pmNewark

$780

United Airlines

Oct 8

EWR9:30 amNewark

6h 50m

LHR9:20 pmLondon Heathrow

Oct 12

LHR1:50 pmLondon Heathrow

11h 25m

1 stop

EWR8:15 pmNewark

$782

United Airlines

Aug 20

EWR9:30 amNewark

6h 50m

LHR9:20 pmLondon Heathrow

Aug 25

LHR6:50 amLondon Heathrow

11h 20m

1 stop

EWR1:10 pmNewark

$787

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Wed 8/5

6:30 am-8:40 pm

2 stops33h 10m

London Gatwick

Wed 8/12

10:00 pm-2:37 pm

2 stops21h 37m

$711

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Sat 8/15

4:55 pm-10:30 am

1 stop12h 35m

London Luton

Fri 8/21

5:10 pm-10:25 pm

1 stop10h 15m

$711

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/17

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Tue 8/25

9:25 pm-7:20 pm

1 stop26h 55m

$711

Quickest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 7/15

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Thu 7/16

1:05 pm-3:55 pm

Nonstop7h 50m

$712

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 7/23

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Thu 7/30

1:05 pm-3:55 pm

Nonstop7h 50m

$713

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 8/28

5:10 pm-9:35 am

1 stop11h 25m

London Heathrow

Sat 9/12

6:40 am-3:40 pm

2 stops14h 00m

$713

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 9/9

5:10 pm-9:35 am

1 stop11h 25m

London Heathrow

Tue 9/22

9:05 pm-5:00 pm

2 stops24h 55m

$714

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Tue 7/14

11:10 pm-2:40 pm

1 stop10h 30m

London Gatwick

Wed 8/19

3:40 pm-10:05 pm

1 stop11h 25m

$716

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 8/18

7:25 pm-7:55 am

2 stops31h 30m

London Heathrow

Fri 8/21

6:00 am-12:50 pm

1 stop11h 50m

$716

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 8/15

7:25 pm-11:20 am

2 stops34h 55m

London Heathrow

Tue 8/18

8:45 am-12:50 pm

1 stop33h 05m

$717

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Connecticut to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to United Kingdom?

In general, October is the cheapest month to fly from Connecticut to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $16. If you aren’t able to travel to United Kingdom during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $482.

Can stopping save me money on Connecticut to United Kingdom flights?

You could potentially save up to 5% on your flight if you consider stops on a Connecticut to United Kingdom flight.

Cheap Connecticut to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Connecticut to United Kingdom

Fastest flight time	6h 35m
Direct flights	Every day
Airports in United Kingdom	1,286 airports

The fastest flight from Connecticut to United Kingdom takes 6h 35m

Direct flights go from Connecticut to United Kingdom every day.

There are 1,286 airports in United Kingdom. From Connecticut there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Connecticut to the United Kingdom

When did momondo last update prices for flights from Connecticut to United Kingdom?
Prices for flights from Connecticut to United Kingdom are updated daily.
How many operators does momondo search for flights from Connecticut to United Kingdom?
As of June 2026, there are 22 operators available to choose from for flights from Connecticut to United Kingdom.
How old do you have to be to fly from Connecticut to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Connecticut to United Kingdom

Compare and see reviews for airlines that fly from Connecticut to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $16	Free Cancellation	Rating 7.1 3,001 reviews	Search JetBlue flights
Delta	PriceFrom $482	Free Cancellation	Rating 7.8 8,433 reviews	Search Delta flights
Aer Lingus	PriceFrom $608	Free Cancellation	Rating 7.3 1,625 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $627	Free Cancellation	Rating 7.4 9,882 reviews	Search United Airlines flights
American Airlines	PriceFrom $629	Free Cancellation	Rating 7.1 11,751 reviews	Search American Airlines flights
British Airways	PriceFrom $940	Free Cancellation	Rating 6.7 8,068 reviews	Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut to United Kingdom?

It is quick and easy to find Connecticut to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

Can I find flights from Connecticut to United Kingdom with flexible booking policies on momondo?

All flight searches from Connecticut to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Connecticut to United Kingdom?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United Kingdom from Connecticut.

I’m not ready to book a flight from Connecticut to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Connecticut to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.