How does KAYAK find such low prices on flights from Connecticut to London Heathrow Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Connecticut to London Heathrow Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Connecticut to London Heathrow Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Connecticut is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Connecticut to London Heathrow Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Connecticut with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Connecticut to London Heathrow Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Connecticut up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$244 CHEAP FLIGHTS from Connecticut to London Heathrow (LHR)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Connecticut to London

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Connecticut to London

Fri, Feb 5 - Mon, Feb 8

5:45 pm - 8:55 amJFK New York John F Kennedy Intl-LHR London Heathrow

34h 10m2 stops Kastrup Copenhagen Stockholm Arlanda

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

14h 05m1 stop Kastrup Copenhagen

$522Scandinavian Airlines

Fri, Mar 12 - Sun, Mar 14

6:30 pm - 12:55 pmEWR Newark-LHR London Heathrow

13h 25m2 stops Oslo Gardermoen Stockholm Arlanda

6:40 am - 3:40 pmLHR London Heathrow-EWR Newark

14h 00m1 stop Kastrup Copenhagen

$593Scandinavian Airlines

Wed, Oct 14 - Wed, Oct 21

9:05 pm - 1:30 pmJFK New York John F Kennedy Intl-LHR London Heathrow

11h 25m1 stop Dublin

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

10h 35m1 stop Dublin

$599Aer Lingus

Wed, Oct 14 - Wed, Oct 21

9:05 pm - 1:30 pmJFK New York John F Kennedy Intl-LHR London Heathrow

11h 25m1 stop Dublin

3:50 pm - 10:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

11h 35m1 stop Dublin

$599Aer Lingus

Tue, Oct 13 - Tue, Oct 20

3:30 pm - 6:30 amLGA New York LaGuardia-LHR London Heathrow

10h 00m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 am - 2:36 pmLHR London Heathrow-LGA New York LaGuardia

10h 06m1 stop Montreal Pierre Elliott Trudeau Intl

$599Air Canada

Mon, Feb 15 - Tue, Feb 23

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

$600Icelandair

Tue, Jan 19 - Tue, Feb 23

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

$601Icelandair

Sun, Oct 11 - Tue, Oct 20

4:55 pm - 9:30 amJFK New York John F Kennedy Intl-LHR London Heathrow

11h 35m1 stop Madrid Barajas

10:50 am - 6:55 pmLHR London Heathrow-JFK New York John F Kennedy Intl

13h 05m1 stop Madrid Barajas

$601Iberia

Wed, Nov 11 - Tue, Nov 17

9:00 pm - 4:35 pmJFK New York John F Kennedy Intl-LHR London Heathrow

14h 35m1 stop Madrid Barajas

10:45 am - 7:15 pmLHR London Heathrow-JFK New York John F Kennedy Intl

13h 30m1 stop Madrid Barajas

$603Iberia

Sun, Oct 11 - Tue, Oct 20

4:00 pm - 6:35 amLGA New York LaGuardia-LHR London Heathrow

9h 35m1 stop Toronto Pearson Intl

9:30 am - 2:36 pmLHR London Heathrow-LGA New York LaGuardia

10h 06m1 stop Montreal Pierre Elliott Trudeau Intl

$633Air Canada

Recent last minute flight deals from Connecticut to London

Wed, Sep 23 - 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

$603Aer Lingus

Sun, Sep 20 - Tue, Sep 29

11:50 pm - 9:10 amJFK New York John F Kennedy Intl-LHR London Heathrow

28h 20m1 stop Barcelona-El Prat

9:55 am - 10:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

17h 05m1 stop Barcelona-El Prat

$604LEVEL

Sun, Sep 20 - Tue, Sep 29

11:50 pm - 9:10 amJFK New York John F Kennedy Intl-LHR London Heathrow

28h 20m1 stop Barcelona-El Prat

9:55 am - 10:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

17h 05m1 stop Barcelona-El Prat

$606LEVEL

Tue, Sep 22 - Fri, Oct 2

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

Mon, Sep 21 - Wed, Oct 7

9:45 am - 9:40 pmJFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mnonstop

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

8h 00mnonstop

$618Finnair

Mon, Sep 21 - Tue, Sep 29

7:15 pm - 7:20 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

9:55 am - 10:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

17h 05m1 stop Barcelona-El Prat

$621Iberia

Sun, Sep 20 - Tue, Sep 29

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

$622Finnair

Wed, Sep 23 - Wed, Sep 30

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

11h 05m1 stop Dublin

12:00 pm - 7:20 pmLHR London Heathrow-JFK New York John F Kennedy Intl

12h 20m1 stop Dublin

$635Aer Lingus

Mon, Sep 21 - Tue, Sep 29

8:40 pm - 1:35 pmJFK New York John F Kennedy Intl-LHR London Heathrow

11h 55m1 stop Madrid Barajas

9:55 am - 10:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

17h 05m1 stop Barcelona-El Prat

$649Iberia

Sun, Sep 20 - Sun, Sep 27

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

7h 05mnonstop

5:30 pm - 8:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

7h 55mnonstop

$650British Airways

Recent direct flight deals from Connecticut to London

Thu, Mar 11 - Thu, Mar 18

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

7h 00mnonstop

9:35 am - 1:35 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$602British Airways

Thu, Oct 8 - Sun, Oct 11

7:50 am - 7:45 pmJFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mnonstop

11:35 am - 2:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

7h 50mnonstop

$604British Airways

Sun, Dec 13 - Wed, Dec 23

6:00 pm - 6:20 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 20mnonstop

8:10 pm - 11:30 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 20mnonstop

$616Virgin Atlantic

Thu, Oct 15 - Thu, Oct 29

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

$631Virgin Atlantic

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

$632Finnair

Sun, Sep 27 - Tue, Oct 6

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

7h 05mnonstop

2:10 pm - 5:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

7h 50mnonstop

$632Finnair

Sun, Sep 27 - Fri, Oct 9

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

$632Iberia

Wed, Nov 18 - Fri, Nov 27

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

7h 00mnonstop

4:40 pm - 7:50 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 10mnonstop

$632Iberia

Wed, Nov 18 - Wed, Nov 25

9:30 am - 9:40 pmJFK New York John F Kennedy Intl-LHR London Heathrow

7h 10mnonstop

7:25 am - 10:37 amLHR London Heathrow-JFK New York John F Kennedy Intl

8h 12mnonstop

$642JetBlue

Sun, Oct 25 - Wed, Nov 11

10:03 pm - 9:30 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 27mnonstop

12:20 pm - 3:41 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 21mnonstop

$651JetBlue

Useful Info

Low season	January
High season	July
Cheapest flight	$244

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 24% increase in price.

Flight from New York John F Kennedy Airport to London Heathrow Airport

How does KAYAK find such low prices on flights from Connecticut to London Heathrow Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Connecticut to London Heathrow Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Connecticut to London Heathrow Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Connecticut is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Connecticut to London Heathrow Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Connecticut with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Connecticut to London Heathrow Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Connecticut up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hounslow

Slough

Hayes

Richmond

Wembley

Salisbury

Luton

Eastbourne

Ilford

Crawley

Guildford

Swindon

Colchester

Northampton

Ipswich

Bedford

Kingston upon Thames

Watford

Newbury

Twickenham

More options for your flight to London

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other airports

Other destinations

Complete your trip to London with a hotel stay or car rental

Car rentals in London

LHR

$244 Find Cheap Flights from Connecticut to London Heathrow Airport - Compare and Save

Cheap Flights from Connecticut to London

Recent round-trip flight deals from Connecticut to London

Recent one-way flight deals from Connecticut to London

Recent last minute flight deals from Connecticut to London

Recent direct flight deals from Connecticut to London

Good to know

Low season

High season

Cheapest flight

FAQs for booking Connecticut to London Heathrow Airport flights

Traveling to a place near London?

More options for your flight to London

Complete your trip to London with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to London

Find direct flights for London

Flights from domestic origins to Connecticut

Choose which airport to fly into in London

Flights to other popular destinations