What airlines fly to London?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to London from Connecticut according to our data. Aer Lingus is the first choice among our users, with 35% of people opting to fly with this airline when traveling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Connecticut and London is 1,149 per week as of August 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How long does it take to fly to London?

If you’re flying from a popular airport in Connecticut, such as Hartford or New Haven, and flying into London, then you can expect flight times to average 8h 35m and 16h 35m, respectively.

What is the cheapest airline that flies from Connecticut to London?

Norse Atlantic UK and TAP AIR PORTUGAL are the most popular carriers operating from Connecticut to London

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

Prices for flights from Connecticut to London refresh daily.

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

As of August 2025, there are 21 operators available to choose from for flights from Connecticut to London.

How old do you have to be to fly from Connecticut to London?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$125 Cheap Flights from Connecticut to London in 2025

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Find the cheapest flights from Connecticut to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:15 pm - 7:55 amJFK-LHR

10h 40m1 stop

6:00 am - 12:50 pmLHR-JFK

11h 50m1 stop

$265SWISS

Find Deal

Mon, Sep 8 - Mon, Oct 6

4:15 pm - 7:55 amJFK-LHR

10h 40m1 stop

6:00 am - 12:50 pmLHR-JFK

11h 50m1 stop

$266SWISS

Find Deal

Thu, Oct 2 - Sun, Oct 5

7:35 pm - 4:40 pmJFK-LHR

16h 05m1 stop

6:00 am - 1:05 pmLHR-JFK

12h 05m1 stop

$278SWISS

Find Deal

Wed, Nov 5 - Wed, Nov 12

6:10 pm - 10:15 amJFK-LHR

11h 05m1 stop

6:50 am - 1:00 pmLHR-JFK

11h 10m1 stop

$304Brussels Airlines

Find Deal

Mon, Sep 15 - Tue, Oct 7

6:20 pm - 6:20 amJFK-LGW

7h 00mnonstop

1:05 pm - 3:55 pmLGW-JFK

7h 50mnonstop

$355Norse Atlantic UK

Find Deal

Mon, Sep 29 - Tue, Oct 7

6:20 pm - 6:20 amJFK-LGW

7h 00mnonstop

1:05 pm - 3:55 pmLGW-JFK

7h 50mnonstop

$358Norse Atlantic UK

Find Deal

Mon, Sep 29 - Tue, Oct 7

12:15 am - 8:35 pmEWR-LGW

15h 20m1 stop

9:05 am - 10:00 pmLGW-EWR

17h 55m1 stop

$363TAP AIR PORTUGAL

Find Deal

Mon, Dec 1 - Sun, Dec 7

6:15 pm - 6:15 amJFK-LHR

7h 00mnonstop

6:15 am - 1:15 pmLHR-JFK

12h 00m1 stop

$365British Airways

Find Deal

Fri, Nov 7 - Sun, Nov 9

10:45 pm - 8:25 pmEWR-LGW

16h 40m1 stop

9:35 pm - 11:00 pmLGW-EWR

29h 25m1 stop

$366TAP AIR PORTUGAL

Find Deal

Thu, Oct 16 - Fri, Oct 31

6:25 pm - 6:20 amJFK-LHR

6h 55mnonstop

6:15 am - 1:15 pmLHR-JFK

12h 00m1 stop

$366British Airways

Find Deal

Tue, Nov 18 - Thu, Nov 20

British Airways flights from Connecticut to London

Our best British Airways deals on Connecticut to London flight tickets

British Airways

Nov 7

JFK6:15 pmNew York John F Kennedy Intl

7h 00m

LHR6:15 amLondon Heathrow

Nov 9

LHR6:15 amLondon Heathrow

12h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$365

Find similar

British Airways

Nov 18

JFK6:25 pmNew York John F Kennedy Intl

6h 55m

LHR6:20 amLondon Heathrow

Nov 20

LHR6:15 amLondon Heathrow

12h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$366

Find similar

British Airways

Sep 28

JFK4:50 pmNew York John F Kennedy Intl

22h 10m

1 stop

LGW8:00 pmLondon Gatwick

Sep 30

LGW3:05 pmLondon Gatwick

8h 00m

JFK6:05 pmNew York John F Kennedy Intl

$367

Find similar

American Airlines flights from Connecticut to London

Our best American Airlines deals on Connecticut to London flight tickets

American Airlines

Sep 12

JFK10:55 pmNew York John F Kennedy Intl

7h 10m

LHR11:05 amLondon Heathrow

Sep 14

LHR7:55 amLondon Heathrow

11h 55m

1 stop

JFK2:50 pmNew York John F Kennedy Intl

$372

Find similar

American Airlines

Nov 12

JFK11:20 pmNew York John F Kennedy Intl

6h 55m

LHR11:15 amLondon Heathrow

Nov 14

LHR6:15 amLondon Heathrow

12h 00m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$373

Find similar

American Airlines

Jan 16

JFK11:20 pmNew York John F Kennedy Intl

6h 55m

LHR11:15 amLondon Heathrow

Jan 18

LHR6:15 amLondon Heathrow

12h 05m

1 stop

JFK1:20 pmNew York John F Kennedy Intl

$375

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/8

4:15 pm-7:55 am

1 stop10h 40m

London Heathrow

Mon 10/6

6:00 am-12:50 pm

1 stop11h 50m

$265

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 10/2

4:15 pm-7:55 am

1 stop10h 40m

London Heathrow

Sun 10/5

6:00 am-12:50 pm

1 stop11h 50m

$266

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 11/5

7:35 pm-4:40 pm

1 stop16h 05m

London Heathrow

Wed 11/12

6:00 am-1:05 pm

1 stop12h 05m

$278

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/15

6:10 pm-10:15 am

1 stop11h 05m

London Heathrow

Tue 10/7

6:50 am-1:00 pm

1 stop11h 10m

$304

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 9/29

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 10/7

1:05 pm-3:55 pm

Nonstop7h 50m

$355

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 9/29

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 10/7

1:05 pm-3:55 pm

Nonstop7h 50m

$358

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 12/1

12:15 am-8:35 pm

1 stop15h 20m

London Gatwick

Sun 12/7

9:05 am-10:00 pm

1 stop17h 55m

$363

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 11/7

6:15 pm-6:15 am

Nonstop7h 00m

London Heathrow

Sun 11/9

6:15 am-1:15 pm

1 stop12h 00m

$365

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 10/16

10:45 pm-8:25 pm

1 stop16h 40m

London Gatwick

Fri 10/31

9:35 pm-11:00 pm

1 stop29h 25m

$366

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 11/18

6:25 pm-6:20 am

Nonstop6h 55m

London Heathrow

Thu 11/20

6:15 am-1:15 pm

1 stop12h 00m

$366

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 London

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 London?

The cheapest month to fly to London from Connecticut is in January. Flight prices, which tend to average around $747, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Connecticut averaging around $778.

Cheap Connecticut to London flight deals and tips

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

Best Price Found	$125
Fastest flight time	6h 50m
Direct flights	Every day
Airports in London	2 airports

The best one-way flight to London from Connecticut in the past 72 hours is $125. The best round-trip flight deal from Connecticut to London found on momondo in the last 72 hours is $265.

The fastest flight from Connecticut to London takes 6h 50m

Direct flights go from Connecticut to London every day.

There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

Search flight deals

When did momondo last update prices for flights from Connecticut to London?
Prices for flights from Connecticut to London refresh daily.
How many operators does momondo search for flights from Connecticut to London?
As of August 2025, there are 21 operators available to choose from for flights from Connecticut to London.
How old do you have to be to fly from Connecticut to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Connecticut to London

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $16	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $569	Free Cancellation	Rating 7.1 1,201 reviews	Search Aer Lingus flights
Delta	PriceFrom $634	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
United Airlines	PriceFrom $684	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
American Airlines	PriceFrom $704	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Gatwick

Hounslow

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Ilford

Brentwood

Colchester

Folkestone

Watford

Canterbury

Richmond

Wembley

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Connecticut to London for you.

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

momondo does allow users to show only those flights to London from Connecticut which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Connecticut to London?

momondo provides multiple filters to help you find the best flight to London from Connecticut. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Connecticut to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.