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 44% 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 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 9h 10m and 15h 30m, respectively.

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

The number of flights available between Connecticut and London is 1,043 per week as of September 2026. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

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

British Airways, United Airlines, and KLM 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 September 2026, there are 22 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.

$213 Cheap Flights from Connecticut to London in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Connecticut to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 pm - 11:50 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 25m1 stop Reykjavik Keflavik Intl

8:35 pm - 6:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

26h 25m1 stop Reykjavik Keflavik Intl

$603Icelandair

Sat, Oct 24 - Thu, Nov 5

5:35 pm - 9:20 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 45m1 stop Kastrup Copenhagen

5:00 pm - 3:45 pmLHR London Heathrow-JFK New York John F Kennedy Intl

27h 45m1 stop Kastrup Copenhagen

$604Scandinavian Airlines

Tue, Nov 3 - Fri, Nov 13

4:45 pm - 12:55 pmLGA New York LaGuardia-LGW London Gatwick

15h 10m2 stops Toronto Pearson Intl Dublin

9:30 pm - 3:46 pmLGW London Gatwick-LGA New York LaGuardia

23h 16m2 stops Dublin Toronto Pearson Intl

$604Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

4:25 pm - 9:05 pmJFK New York John F Kennedy Intl-LTN London Luton

23h 40m2 stops Zurich Dublin

12:10 pm - 4:40 pmLTN London Luton-JFK New York John F Kennedy Intl

33h 30m2 stops Dublin Zurich

$604Multiple Airlines

Wed, Nov 4 - Mon, Nov 9

5:35 pm - 4:00 pmJFK New York John F Kennedy Intl-LHR London Heathrow

17h 25m1 stop Kastrup Copenhagen

6:40 am - 3:45 pmLHR London Heathrow-JFK New York John F Kennedy Intl

14h 05m1 stop Kastrup Copenhagen

$604Scandinavian Airlines

Sat, Nov 7 - Thu, Nov 12

6:25 pm - 9:05 amJFK New York John F Kennedy Intl-LHR London Heathrow

9h 40m1 stop Shannon

4:50 pm - 10:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

$605Aer Lingus

Sun, Oct 4 - Fri, Oct 9

4:55 pm - 8:05 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 10m1 stop Dublin

4:50 pm - 10:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

$605Aer Lingus

Sun, Oct 11 - Wed, Oct 14

8:05 pm - 8:10 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

6:05 pm - 9:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mnonstop

$608British Airways

Wed, Feb 3 - Wed, Feb 10

6:40 pm - 6:40 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 00mnonstop

5:00 pm - 8:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 10mnonstop

$608British Airways

Wed, Jan 27 - Wed, Feb 3

7:25 pm - 10:50 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 25m1 stop Reykjavik Keflavik Intl

12:15 pm - 6:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 45m1 stop Reykjavik Keflavik Intl

$609Icelandair

Sun, Nov 15 - Thu, Jan 7

Cheap last minute flights

Enter your travel dates to find the best prices.

11:55 pm - 3:00 pmJFK New York John F Kennedy Intl-LHR London Heathrow

10h 05m1 stop Dublin

4:50 pm - 10:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

$607Aer Lingus

Sun, Sep 27 - Tue, Oct 6

6:10 pm - 8:20 pmJFK New York John F Kennedy Intl-STN London Stansted

21h 10m2 stops Brussels Bruxelles-National Madrid Barajas

6:55 pm - 4:35 pmSTN London Stansted-JFK New York John F Kennedy Intl

26h 40m2 stops Madrid Barajas Zurich

$608Multiple Airlines

Sun, Sep 27 - Tue, Oct 6

11:55 pm - 4:00 pmJFK New York John F Kennedy Intl-LHR London Heathrow

11h 05m1 stop Dublin

4:50 pm - 10:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 35m1 stop Dublin

$609Aer Lingus

Sun, Sep 27 - Tue, Oct 6

9:05 pm - 12:55 pmJFK New York John F Kennedy Intl-STN London Stansted

10h 50m1 stop Dublin

4:25 pm - 10:25 pmSTN London Stansted-JFK New York John F Kennedy Intl

11h 00m1 stop Dublin

$609Multiple Airlines

Sun, Sep 27 - Mon, Sep 28

6:20 pm - 6:20 amJFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mnonstop

1:05 pm - 3:55 pmLGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mnonstop

$610Norse Atlantic UK

Fri, Sep 25 - Sun, Sep 27

6:20 pm - 6:20 amJFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mnonstop

1:05 pm - 3:55 pmLGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mnonstop

$610Norse Atlantic UK

Fri, Sep 25 - Sun, Sep 27

10:40 pm - 10:35 amJFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mnonstop

4:35 pm - 7:40 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mnonstop

$616British Airways

Tue, Sep 22 - Fri, Oct 2

4:15 pm - 7:55 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 40m1 stop Zurich

8:45 am - 4:35 pmLHR London Heathrow-JFK New York John F Kennedy Intl

12h 50m1 stop Zurich

$621SWISS

Sun, Sep 27 - Tue, Oct 13

4:15 pm - 7:55 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 40m1 stop Zurich

8:40 am - 4:35 pmLHR London Heathrow-JFK New York John F Kennedy Intl

12h 55m1 stop Zurich

$621SWISS

Sun, Sep 27 - Wed, Oct 14

6:20 pm - 6:25 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

3:20 pm - 6:20 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$645British Airways

Sun, Sep 27 - Tue, Oct 6

Cheap direct flights

Enter your travel dates to find the best prices.

8:05 pm - 8:10 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

6:05 pm - 9:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mnonstop

$608British Airways

Wed, Feb 3 - Wed, Feb 10

6:40 pm - 6:40 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 00mnonstop

5:00 pm - 8:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 10mnonstop

$608British Airways

Wed, Jan 27 - Wed, Feb 3

6:20 pm - 6:20 amJFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mnonstop

1:05 pm - 3:55 pmLGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mnonstop

$610A.P.G.

Tue, Oct 13 - Tue, Oct 20

6:20 pm - 6:20 amJFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mnonstop

1:05 pm - 3:55 pmLGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mnonstop

$610Hahn Air

Tue, Oct 13 - Tue, Oct 20

6:20 pm - 6:20 amJFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mnonstop

1:05 pm - 3:55 pmLGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mnonstop

$611Norse Atlantic UK

Tue, Oct 13 - Tue, Oct 20

6:20 pm - 6:20 amJFK New York John F Kennedy Intl-LGW London Gatwick

7h 00mnonstop

1:05 pm - 3:55 pmLGW London Gatwick-JFK New York John F Kennedy Intl

7h 50mnonstop

$612Norse Atlantic UK

Sun, Oct 11 - Tue, Oct 20

9:35 am - 9:40 pmJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

6:05 pm - 9:05 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$617Finnair

Sun, Oct 11 - Tue, Oct 20

8:15 pm - 8:50 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 35mnonstop

3:50 pm - 8:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 20mnonstop

$630Virgin Atlantic

Thu, Oct 15 - Thu, Oct 29

8:15 am - 8:10 pmJFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mnonstop

10:10 am - 2:27 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 17mnonstop

$630Virgin Atlantic

Mon, Oct 19 - Sat, Oct 31

9:35 am - 9:40 pmJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

5:00 pm - 9:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$645Finnair

Wed, Oct 21 - Wed, Oct 28

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Scandinavian Airlines flights from Connecticut to London

Our best Scandinavian Airlines deals on Connecticut to London flight tickets

Scandinavian Airlines

Nov 3

JFK5:35 pmNew York John F Kennedy Intl

19h 55m

1 stop

LHR6:30 pmLondon Heathrow

Nov 10

LHR6:40 amLondon Heathrow

14h 05m

1 stop

JFK3:45 pmNew York John F Kennedy Intl

$604

Scandinavian Airlines

Nov 3

JFK5:35 pmNew York John F Kennedy Intl

10h 45m

1 stop

LHR9:20 amLondon Heathrow

Nov 11

LHR10:20 amLondon Heathrow

34h 25m

1 stop

JFK3:45 pmNew York John F Kennedy Intl

$606

Scandinavian Airlines

Nov 3

JFK5:35 pmNew York John F Kennedy Intl

17h 50m

2 stops

LHR4:25 pmLondon Heathrow

Nov 10

LHR6:40 amLondon Heathrow

14h 05m

1 stop

JFK3:45 pmNew York John F Kennedy Intl

$607

SWISS flights from Connecticut to London

Our best SWISS deals on Connecticut to London flight tickets

SWISS

Sep 30

JFK4:15 pmNew York John F Kennedy Intl

10h 40m

1 stop

LHR7:55 amLondon Heathrow

Oct 8

LHR8:45 amLondon Heathrow

12h 50m

1 stop

JFK4:35 pmNew York John F Kennedy Intl

$619

SWISS

Oct 4

JFK4:15 pmNew York John F Kennedy Intl

10h 40m

1 stop

LHR7:55 amLondon Heathrow

Nov 10

LHR6:00 amLondon Heathrow

12h 15m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$620

SWISS

Oct 21

JFK4:15 pmNew York John F Kennedy Intl

10h 40m

1 stop

LHR7:55 amLondon Heathrow

Oct 28

LHR6:00 amLondon Heathrow

12h 15m

1 stop

JFK2:15 pmNew York John F Kennedy Intl

$621

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 10/24

8:25 pm-11:50 am

1 stop10h 25m

London Heathrow

Thu 11/5

8:35 pm-6:00 pm

1 stop26h 25m

$603

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Tue 11/3

5:35 pm-9:20 am

1 stop10h 45m

London Heathrow

Fri 11/13

5:00 pm-3:45 pm

1 stop27h 45m

$604

New YorkLondon

LGA New York LaGuardia - LGW London Gatwick

LGALGW

New York LaGuardia

Thu 10/15

4:45 pm-12:55 pm

2 stops15h 10m

London Gatwick

Mon 10/19

9:30 pm-3:46 pm

2 stops23h 16m

$604

New YorkLondon

JFK New York John F Kennedy Intl - LTN London Luton

JFKLTN

New York John F Kennedy Intl

Wed 11/4

4:25 pm-9:05 pm

2 stops23h 40m

London Luton

Mon 11/9

12:10 pm-4:40 pm

2 stops33h 30m

$604

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 11/7

5:35 pm-4:00 pm

1 stop17h 25m

London Heathrow

Thu 11/12

6:40 am-3:45 pm

1 stop14h 05m

$604

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 10/4

6:25 pm-9:05 am

1 stop9h 40m

London Heathrow

Fri 10/9

4:50 pm-10:25 pm

1 stop10h 35m

$605

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 10/11

4:55 pm-8:05 am

1 stop10h 10m

London Heathrow

Wed 10/14

4:50 pm-10:25 pm

1 stop10h 35m

$605

Quickest round-trip

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 2/3

8:05 pm-8:10 am

Nonstop7h 05m

London Heathrow

Wed 2/10

6:05 pm-9:10 pm

Nonstop8h 05m

$608

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Wed 1/27

6:40 pm-6:40 am

Nonstop7h 00m

London Heathrow

Wed 2/3

5:00 pm-8:10 pm

Nonstop8h 10m

$608

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 11/15

7:25 pm-10:50 am

1 stop10h 25m

London Heathrow

Thu 1/7

12:15 pm-6:00 pm

1 stop10h 45m

$609

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 February. Flight prices, which tend to average around $799, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Connecticut averaging around $812.

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	$213
Fastest flight time	6h 45m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Connecticut in the past 72 hours is $213. The best round-trip flight deal from Connecticut to London found on momondo in the last 72 hours is $603.

The fastest flight from Connecticut to London takes 6h 45m

Direct flights go from Connecticut to London every day.

There are 6 airports in London. From Connecticut there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying 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 September 2026, there are 22 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
British Airways	PriceFrom $569	Free Cancellation	Rating 6.7 8,227 reviews	Search British Airways flights
JetBlue	PriceFrom $638	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $732	Free Cancellation	Rating 7.3 1,781 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $746	Free Cancellation	Rating 7.4 10,222 reviews	Search United Airlines flights
American Airlines	PriceFrom $779	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Hayes

Luton

Wembley

Dover

Croydon

Richmond

Kingston upon Thames

Stansted

Harrow

Cobham

Watford

Worthing

Slough

Eastbourne

Hook

Uxbridge

Ilford

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.

An easier way to manage your London trip

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Fly into one of these airports located in London

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Cheap flights from Connecticut to London from $213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to London departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Connecticut to London

Our best Scandinavian Airlines deals on Connecticut to London flight tickets

SWISS flights from Connecticut to London

Our best SWISS deals on Connecticut to London flight tickets

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How to get the cheapest flight ticket from Connecticut to London

What is the cheapest month to fly to London?

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

What airlines fly to London?

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

How long does it take to fly to London?

Cheap Connecticut to London flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Connecticut to London

Best airlines flying from Connecticut to London

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year