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

The number of flights available between Connecticut and London is 1,154 per week as of September 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

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

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

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 26h, respectively.

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.

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 September 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.

$139 Cheap Flights from Connecticut to London in 2025/26

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Find the cheapest flights from Connecticut to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:45 pm - 6:00 pmJFK-LHR

13h 15m1 stop

9:55 am - 10:00 pmLHR-JFK

17h 05m1 stop

$448Multiple Airlines

Find Deal

jue., ene. 8 - mié., ene. 14

4:55 pm - 7:50 amJFK-STN

9h 55m1 stop

6:30 am - 2:55 pmSTN-JFK

12h 25m1 stop

$448Multiple Airlines

Find Deal

mar., oct. 21 - mar., oct. 28

10:00 pm - 10:40 pmJFK-LHR

19h 40m1 stop

6:30 pm - 8:05 pmLHR-JFK

30h 35m1 stop

$449TAP AIR PORTUGAL

Find Deal

lun., nov. 10 - lun., nov. 17

10:00 pm - 8:35 pmJFK-LGW

17h 35m2 stops

10:40 am - 8:05 pmLGW-JFK

14h 25m1 stop

$449TAP AIR PORTUGAL

Find Deal

lun., nov. 17 - mar., nov. 25

11:45 pm - 9:10 amJFK-LHR

28h 25m1 stop

8:50 pm - 9:00 pmLHR-JFK

29h 10m1 stop

$451LEVEL

Find Deal

sáb., feb. 28 - sáb., mar. 7

6:05 pm - 6:00 amJFK-LGW

6h 55mnonstop

1:00 pm - 3:55 pmLGW-JFK

7h 55mnonstop

$452Norse Atlantic UK

Find Deal

vie., nov. 7 - lun., nov. 10

11:45 pm - 9:10 amJFK-LHR

29h 25m1 stop

6:50 pm - 10:00 pmLHR-JFK

31h 10m1 stop

$455LEVEL

Find Deal

jue., mar. 12 - mar., mar. 17

6:05 pm - 6:00 amJFK-LGW

6h 55mnonstop

1:00 pm - 3:55 pmLGW-JFK

7h 55mnonstop

$457Norse Atlantic UK

Find Deal

dom., nov. 9 - vie., nov. 21

5:00 pm - 8:05 amJFK-LHR

10h 05m1 stop

10:00 am - 4:25 pmLHR-JFK

11h 25m1 stop

$460Aer Lingus

Find Deal

lun., nov. 10 - lun., nov. 17

6:25 pm - 9:05 amJFK-LHR

9h 40m1 stop

12:10 pm - 7:29 pmLHR-JFK

12h 19m1 stop

$464Aer Lingus

Find Deal

mié., oct. 15 - mié., ene. 28

Aer Lingus flights from Connecticut to London

Our best Aer Lingus deals on Connecticut to London flight tickets

Aer Lingus

Nov 10

JFK5:00 pmNew York John F Kennedy Intl

10h 05m

1 stop

LHR8:05 amLondon Heathrow

Nov 17

LHR10:00 amLondon Heathrow

11h 25m

1 stop

JFK4:25 pmNew York John F Kennedy Intl

$460

Find similar

Aer Lingus

Oct 15

JFK6:25 pmNew York John F Kennedy Intl

9h 40m

1 stop

LHR9:05 amLondon Heathrow

Jan 28

LHR12:10 pmLondon Heathrow

12h 19m

1 stop

JFK7:29 pmNew York John F Kennedy Intl

$464

Find similar

Aer Lingus

Nov 9

JFK5:00 pmNew York John F Kennedy Intl

12h 10m

1 stop

LHR10:10 amLondon Heathrow

Nov 16

LHR10:00 amLondon Heathrow

11h 25m

1 stop

JFK4:25 pmNew York John F Kennedy Intl

$465

Find similar

JetBlue flights from Connecticut to London

Our best JetBlue deals on Connecticut to London flight tickets

JetBlue

Oct 1

JFK2:50 pmNew York John F Kennedy Intl

13h 45m

1 stop

LGW9:35 amLondon Gatwick

Oct 22

LGW12:10 pmLondon Gatwick

13h 51m

1 stop

JFK9:01 pmNew York John F Kennedy Intl

$469

Find similar

JetBlue

Oct 5

JFK6:45 amNew York John F Kennedy Intl

21h 50m

1 stop

LGW9:35 amLondon Gatwick

Oct 9

LGW12:10 pmLondon Gatwick

14h 53m

1 stop

JFK10:03 pmNew York John F Kennedy Intl

$471

Find similar

JetBlue

Oct 5

JFK6:45 amNew York John F Kennedy Intl

21h 50m

1 stop

LGW9:35 amLondon Gatwick

Oct 11

LGW12:10 pmLondon Gatwick

13h 51m

1 stop

JFK9:01 pmNew York John F Kennedy Intl

$473

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 1/8

11:45 pm-6:00 pm

1 stop13h 15m

London Heathrow

mié. 1/14

9:55 am-10:00 pm

1 stop17h 05m

$448

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

mar. 10/21

4:55 pm-7:50 am

1 stop9h 55m

London Stansted

mar. 10/28

6:30 am-2:55 pm

1 stop12h 25m

$448

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

lun. 11/10

10:00 pm-10:40 pm

1 stop19h 40m

London Heathrow

lun. 11/17

6:30 pm-8:05 pm

1 stop30h 35m

$449

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

lun. 11/17

10:00 pm-8:35 pm

2 stops17h 35m

London Gatwick

mar. 11/25

10:40 am-8:05 pm

1 stop14h 25m

$449

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 2/28

11:45 pm-9:10 am

1 stop28h 25m

London Heathrow

sáb. 3/7

8:50 pm-9:00 pm

1 stop29h 10m

$451

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

vie. 11/7

6:05 pm-6:00 am

Nonstop6h 55m

London Gatwick

lun. 11/10

1:00 pm-3:55 pm

Nonstop7h 55m

$452

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

jue. 3/12

11:45 pm-9:10 am

1 stop29h 25m

London Heathrow

mar. 3/17

6:50 pm-10:00 pm

1 stop31h 10m

$455

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

dom. 11/9

6:05 pm-6:00 am

Nonstop6h 55m

London Gatwick

vie. 11/21

1:00 pm-3:55 pm

Nonstop7h 55m

$457

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

lun. 11/10

5:00 pm-8:05 am

1 stop10h 05m

London Heathrow

lun. 11/17

10:00 am-4:25 pm

1 stop11h 25m

$460

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mié. 10/15

6:25 pm-9:05 am

1 stop9h 40m

London Heathrow

mié. 1/28

12:10 pm-7:29 pm

1 stop12h 19m

$464

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 April. Flight prices, which tend to average around $763, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Connecticut averaging around $783.

Cheap Connecticut to London flight deals and tips

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

Fastest flight time	6h 50m
Direct flights	Every day
Airports in London	1 airport

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

Direct flights go from Connecticut to London every day.

There is 1 airport near London: London Heathrow (LHR)

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 September 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 2,914 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $655	Free Cancellation	Rating 7.2 1,302 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $680	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Delta	PriceFrom $696	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
American Airlines	PriceFrom $714	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Hounslow

Gatwick

Luton

Dover

Milton Keynes

Slough

Guildford

Hayes

Dartford

Stansted

Crawley

Chelmsford

Brentwood

Ilford

Folkestone

Colchester

Romford

Watford

Wembley

Richmond

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.