What airlines fly to United Kingdom?

Aer Lingus, United Airlines and American Airlines 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 70% 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, Delta, and United Airlines are the most popular carriers operating from Connecticut to United Kingdom

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 25m on average. If you fly from New Haven (another popular airport in Connecticut) to London Heathrow Airport, then the average flight time is 16h 40m.

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

413 flights are operational weekly from Connecticut to United Kingdom as of March 2026. The most popular departure day for this route is Thu, with 36% 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 March 2026, there are 21 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.

$195 Cheap Flights from Connecticut to the United Kingdom in 2026

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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.

11:10 pm - 12:30 am

JFK

STN

20h 20m

2 stops

9:40 pm - 10:05 pm

STN

JFK

29h 25m

2 stops

$492Multiple Airlines

Thu, May 7 - Sat, May 9

11:10 pm - 12:10 am

JFK

STN

20h 00m

2 stops

9:40 pm - 10:05 pm

STN

JFK

29h 25m

2 stops

$493Multiple Airlines

Tue, May 5 - Sat, May 9

6:20 pm - 6:20 am

JFK

LGW

7h 00mnonstop

1:05 pm - 3:55 pm

LGW

JFK

7h 50mnonstop

$494Norse Atlantic UK

Sat, May 2 - Fri, May 8

6:20 pm - 6:20 am

JFK

LGW

7h 00mnonstop

1:05 pm - 3:55 pm

LGW

JFK

7h 50mnonstop

$497Norse Atlantic UK

Fri, Apr 24 - Tue, May 5

5:15 pm - 1:35 pm

EWR

LHR

15h 20m

1 stop

6:40 am - 1:15 pm

LHR

EWR

11h 35m

1 stop

$514Scandinavian Airlines

Fri, Apr 24 - Sun, Apr 26

11:10 pm - 8:25 pm

EWR

LGW

16h 15m

1 stop

12:05 pm - 9:10 pm

LGW

EWR

14h 05m

1 stop

$518TAP AIR PORTUGAL

Sun, Apr 26 - Mon, May 4

5:45 pm - 2:35 pm

EWR

LHR

15h 50m

1 stop

6:40 am - 1:15 pm

LHR

EWR

11h 35m

1 stop

$519Scandinavian Airlines

Fri, Apr 24 - Sun, Apr 26

10:05 pm - 10:55 pm

JFK

LHR

19h 50m

1 stop

6:00 am - 8:05 pm

LHR

JFK

19h 05m

1 stop

$520TAP AIR PORTUGAL

Mon, May 4 - Wed, May 20

3:50 pm - 8:35 am

JFK

LHR

11h 45m

1 stop

8:30 am - 3:07 pm

LHR

JFK

11h 37m

1 stop

$523Air Canada

Tue, May 12 - Fri, May 22

2:30 pm - 9:35 am

LGA

LHR

14h 05m

1 stop

2:05 pm - 7:31 pm

LHR

LGA

10h 26m

1 stop

$637Air Canada

Sun, Apr 12 - Sat, Apr 25

TAP AIR PORTUGAL flights from Connecticut to United Kingdom

Our best TAP AIR PORTUGAL deals on Connecticut to United Kingdom flight tickets

TAP AIR PORTUGAL

Apr 28

EWR11:10 pmNewark

31h 10m

1 stop

LGW11:20 amLondon Gatwick

May 7

LGW9:20 pmLondon Gatwick

28h 50m

1 stop

EWR9:10 pmNewark

$514

TAP AIR PORTUGAL

Apr 26

EWR11:10 pmNewark

16h 15m

1 stop

LGW8:25 pmLondon Gatwick

May 4

LGW12:05 pmLondon Gatwick

14h 05m

1 stop

EWR9:10 pmNewark

$518

TAP AIR PORTUGAL

May 4

JFK10:05 pmNew York John F Kennedy Intl

19h 50m

1 stop

LHR10:55 pmLondon Heathrow

May 20

LHR6:00 amLondon Heathrow

19h 05m

1 stop

JFK8:05 pmNew York John F Kennedy Intl

$520

Scandinavian Airlines flights from Connecticut to United Kingdom

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

Scandinavian Airlines

Apr 24

EWR5:15 pmNewark

15h 20m

1 stop

LHR1:35 pmLondon Heathrow

Apr 26

LHR6:40 amLondon Heathrow

11h 35m

1 stop

EWR1:15 pmNewark

$514

Scandinavian Airlines

Apr 24

EWR5:20 pmNewark

16h 15m

2 stops

LHR2:35 pmLondon Heathrow

Apr 26

LHR6:40 amLondon Heathrow

11h 35m

1 stop

EWR1:15 pmNewark

$519

Scandinavian Airlines

Apr 17

EWR5:45 pmNewark

15h 50m

1 stop

LHR2:35 pmLondon Heathrow

Apr 19

LHR6:40 amLondon Heathrow

11h 35m

1 stop

EWR1:15 pmNewark

$522

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 5/7

11:10 pm-12:30 am

2 stops20h 20m

London Stansted

Sat 5/9

9:40 pm-10:05 pm

2 stops29h 25m

$492

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Tue 5/5

11:10 pm-12:10 am

2 stops20h 00m

London Stansted

Sat 5/9

9:40 pm-10:05 pm

2 stops29h 25m

$493

Quickest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sat 5/2

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Fri 5/8

1:05 pm-3:55 pm

Nonstop7h 50m

$494

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 4/24

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 5/5

1:05 pm-3:55 pm

Nonstop7h 50m

$497

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 4/24

5:15 pm-1:35 pm

1 stop15h 20m

London Heathrow

Sun 4/26

6:40 am-1:15 pm

1 stop11h 35m

$514

NewarkLondon

EWR - LGW

EWRLGW

Newark

Sun 4/26

11:10 pm-8:25 pm

1 stop16h 15m

London Gatwick

Mon 5/4

12:05 pm-9:10 pm

1 stop14h 05m

$518

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 4/24

5:45 pm-2:35 pm

1 stop15h 50m

London Heathrow

Sun 4/26

6:40 am-1:15 pm

1 stop11h 35m

$519

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 5/4

10:05 pm-10:55 pm

1 stop19h 50m

London Heathrow

Wed 5/20

6:00 am-8:05 pm

1 stop19h 05m

$520

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 5/12

3:50 pm-8:35 am

1 stop11h 45m

London Heathrow

Fri 5/22

8:30 am-3:07 pm

1 stop11h 37m

$523

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 4/12

2:30 pm-9:35 am

1 stop14h 05m

London Heathrow

Sat 4/25

2:05 pm-7:31 pm

1 stop10h 26m

$637

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, January 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 $657. If you aren’t able to travel to United Kingdom during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $739.

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

You could potentially save up to 54% 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 30m
Direct flights	Every day
Airports in United Kingdom	1,286 airports

The fastest flight from Connecticut to United Kingdom takes 6h 30m

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 City (LCY), London Luton (LTN), London Heathrow (LHR), London Stansted (STN) and 1 more.

Search flight deals

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 March 2026, there are 21 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 7.2 2,908 reviews	Search JetBlue flights
Delta	PriceFrom $482	Free Cancellation	Rating 7.9 8,336 reviews	Search Delta flights
United Airlines	PriceFrom $627	Free Cancellation	Rating 7.4 9,493 reviews	Search United Airlines flights
American Airlines	PriceFrom $629	Free Cancellation	Rating 7.1 11,500 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $656	Free Cancellation	Rating 7.2 1,489 reviews	Search Aer Lingus flights
British Airways	PriceFrom $940	Free Cancellation	Rating 6.7 7,821 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.