What is the cheapest airline that flies from London to Westchester County?

American Airlines is the most popular carrier operating from London to Westchester County

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

Prices for flights from London to Westchester County are refreshed on a daily basis.

How old do you have to be to fly from London to Westchester County?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Westchester County.

What documentation or ID do you need to fly to Westchester County?

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

£425 Cheap Flights from London to Westchester County in 2026

Find the cheapest flights from London to Westchester County

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:45 - 22:15LHR London Heathrow-HPN White Plains Westchester County

40h 30m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

18:40 - 06:25HPN White Plains Westchester County-LHR London Heathrow

30h 45m1 stop Atlanta Hartsfield-Jackson

£535Virgin Atlantic

Fri, 25 Sep - Fri, 2 Oct

06:30 - 22:15LHR London Heathrow-HPN White Plains Westchester County

20h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

16:25 - 13:15HPN White Plains Westchester County-LHR London Heathrow

15h 50m1 stop Atlanta Hartsfield-Jackson

£544Delta

Mon, 21 Sep - Wed, 30 Sep

06:30 - 22:15LHR London Heathrow-HPN White Plains Westchester County

20h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

06:00 - 06:25HPN White Plains Westchester County-LHR London Heathrow

19h 25m1 stop Atlanta Hartsfield-Jackson

£545Delta

Wed, 23 Sep - Wed, 30 Sep

11:45 - 11:49LHR London Heathrow-HPN White Plains Westchester County

29h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

12:45 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 00m1 stop Detroit Metropolitan Wayne County

£547Delta

Tue, 8 Dec - Tue, 12 Jan

11:45 - 11:49LHR London Heathrow-HPN White Plains Westchester County

29h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

12:45 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 00m1 stop Detroit Metropolitan Wayne County

£548Delta

Tue, 8 Dec - Fri, 15 Jan

11:45 - 11:49LHR London Heathrow-HPN White Plains Westchester County

29h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

12:45 - 07:15HPN White Plains Westchester County-LHR London Heathrow

13h 30m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

£549Delta

Mon, 14 Dec - Tue, 12 Jan

11:30 - 11:49LHR London Heathrow-HPN White Plains Westchester County

29h 19m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

12:45 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 00m1 stop Detroit Metropolitan Wayne County

£552Delta

Wed, 9 Dec - Tue, 12 Jan

06:30 - 22:15LHR London Heathrow-HPN White Plains Westchester County

20h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

15:10 - 13:15HPN White Plains Westchester County-LHR London Heathrow

17h 05m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

£553Delta

Wed, 23 Sep - Wed, 30 Sep

11:30 - 11:49LHR London Heathrow-HPN White Plains Westchester County

29h 19m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

12:45 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 00m1 stop Detroit Metropolitan Wayne County

£555Delta

Wed, 9 Dec - Sun, 17 Jan

06:30 - 16:33LHR London Heathrow-HPN White Plains Westchester County

15h 03m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

12:45 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 00m1 stop Detroit Metropolitan Wayne County

£555Delta

Thu, 21 Jan - Mon, 8 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:10 - 22:59LHR London Heathrow-HPN White Plains Westchester County

14h 49m1 stop Chicago O'Hare Intl

16:30 - 11:15HPN White Plains Westchester County-LHR London Heathrow

13h 45m1 stop Chicago O'Hare Intl

£617Multiple Airlines

Fri, 14 Aug - Mon, 17 Aug

06:30 - 16:37LHR London Heathrow-HPN White Plains Westchester County

15h 07m2 stops Amsterdam Schiphol Minneapolis St Paul

12:36 - 07:10HPN White Plains Westchester County-LHR London Heathrow

13h 34m1 stop Detroit Metropolitan Wayne County

£803Delta

Wed, 12 Aug - Tue, 25 Aug

18:55 - 11:56LHR London Heathrow-HPN White Plains Westchester County

22h 01m2 stops Boston Logan Intl Detroit Metropolitan Wayne County

12:36 - 07:10HPN White Plains Westchester County-LHR London Heathrow

13h 34m1 stop Detroit Metropolitan Wayne County

£803Delta

Thu, 13 Aug - Tue, 25 Aug

08:40 - 22:21LHR London Heathrow-HPN White Plains Westchester County

18h 41m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

12:30 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 15m1 stop Detroit Metropolitan Wayne County

£807Delta

Thu, 13 Aug - Fri, 13 Nov

06:15 - 22:21LHR London Heathrow-HPN White Plains Westchester County

21h 06m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

12:30 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 15m1 stop Detroit Metropolitan Wayne County

£812Delta

Fri, 14 Aug - Sat, 14 Nov

17:35 - 15:48LHR London Heathrow-HPN White Plains Westchester County

27h 13m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

06:00 - 06:20HPN White Plains Westchester County-LHR London Heathrow

19h 20m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

£818Delta

Wed, 12 Aug - Sat, 14 Nov

17:35 - 15:48LHR London Heathrow-HPN White Plains Westchester County

27h 13m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

12:30 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 15m1 stop Detroit Metropolitan Wayne County

£820Delta

Wed, 12 Aug - Sat, 7 Nov

13:25 - 22:21LHR London Heathrow-HPN White Plains Westchester County

13h 56m1 stop Atlanta Hartsfield-Jackson

12:36 - 07:10HPN White Plains Westchester County-LHR London Heathrow

13h 34m1 stop Detroit Metropolitan Wayne County

£822Delta

Wed, 12 Aug - Tue, 25 Aug

06:30 - 16:37LHR London Heathrow-HPN White Plains Westchester County

15h 07m2 stops Amsterdam Schiphol Minneapolis St Paul

06:00 - 07:10HPN White Plains Westchester County-LHR London Heathrow

20h 10m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

£825Delta

Wed, 12 Aug - Tue, 25 Aug

10:45 - 11:56LHR London Heathrow-HPN White Plains Westchester County

30h 11m1 stop Detroit Metropolitan Wayne County

12:30 - 07:45HPN White Plains Westchester County-LHR London Heathrow

14h 15m1 stop Detroit Metropolitan Wayne County

£826Delta

Wed, 12 Aug - Wed, 4 Nov

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American Airlines flights from London to Westchester County

Our best American Airlines deals on London to Westchester County flight tickets

American Airlines

20 Nov

LHR11:00London Heathrow

15h 59m

1 stop

HPN21:59White Plains Westchester County

4 Dec

HPN17:50White Plains Westchester County

11h 35m

1 stop

LHR10:25London Heathrow

£586

American Airlines

8 Nov

LHR12:35London Heathrow

15h 13m

1 stop

HPN22:48White Plains Westchester County

20 Nov

HPN12:11White Plains Westchester County

13h 44m

1 stop

LHR06:55London Heathrow

£637

American Airlines

19 Sept

LHR09:15London Heathrow

12h 38m

1 stop

HPN16:53White Plains Westchester County

24 Sept

HPN12:24White Plains Westchester County

14h 16m

1 stop

LHR07:40London Heathrow

£643

Delta flights from London to Westchester County

Our best Delta deals on London to Westchester County flight tickets

Delta

21 Sept

LHR06:30London Heathrow

20h 45m

2 stops

HPN22:15White Plains Westchester County

30 Sept

HPN16:25White Plains Westchester County

15h 50m

1 stop

LHR13:15London Heathrow

£544

Delta

23 Sept

LHR06:30London Heathrow

20h 45m

2 stops

HPN22:15White Plains Westchester County

30 Sept

HPN06:00White Plains Westchester County

19h 25m

1 stop

LHR06:25London Heathrow

£545

Delta

8 Dec

LHR11:45London Heathrow

29h 04m

2 stops

HPN11:49White Plains Westchester County

13 Jan

HPN12:45White Plains Westchester County

14h 00m

1 stop

LHR07:45London Heathrow

£547

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Fri 25/9

10:45-22:15

2 stops40h 30m

White Plains Westchester County

Fri 2/10

18:40-06:25

1 stop30h 45m

£535

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Mon 21/9

06:30-22:15

2 stops20h 45m

White Plains Westchester County

Wed 30/9

16:25-13:15

1 stop15h 50m

£544

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Wed 23/9

06:30-22:15

2 stops20h 45m

White Plains Westchester County

Wed 30/9

06:00-06:25

1 stop19h 25m

£545

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Tue 8/12

11:45-11:49

2 stops29h 04m

White Plains Westchester County

Tue 12/1

12:45-07:45

1 stop14h 00m

£547

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Tue 8/12

11:45-11:49

2 stops29h 04m

White Plains Westchester County

Fri 15/1

12:45-07:45

1 stop14h 00m

£548

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Mon 14/12

11:45-11:49

2 stops29h 04m

White Plains Westchester County

Tue 12/1

12:45-07:15

2 stops13h 30m

£549

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Wed 9/12

11:30-11:49

2 stops29h 19m

White Plains Westchester County

Tue 12/1

12:45-07:45

1 stop14h 00m

£552

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Wed 23/9

06:30-22:15

2 stops20h 45m

White Plains Westchester County

Wed 30/9

15:10-13:15

2 stops17h 05m

£553

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Wed 9/12

11:30-11:49

2 stops29h 19m

White Plains Westchester County

Sun 17/1

12:45-07:45

1 stop14h 00m

£555

Fastest return journey

LondonWhite Plains

LHR London Heathrow - HPN White Plains Westchester County

LHRHPN

London Heathrow

Thu 21/1

06:30-16:33

2 stops15h 03m

White Plains Westchester County

Mon 8/2

12:45-07:45

1 stop14h 00m

£555

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Westchester County

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

What is the cheapest day to depart on your flight to Westchester County?

According to our data, Thursday is the cheapest day to fly to Westchester County from London. The lowest ticket price found for a Thursday departure recently was £542. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Westchester County for around £604.

What is the cheapest time of day to depart on your flight to Westchester County?

At midday is the cheapest time of day to fly from London to Westchester County when you can find flight prices for as low as £547. Flying to Westchester County at midday is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Westchester County, so prices are often more expensive at around £598 per ticket.

How far in advance should I book a flight from London to Westchester County?

You are more likely to see cheaper flights to Westchester County from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Westchester County for around £517 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Westchester County from London for as low as £455 on momondo.

Can stopping save me money on London to Westchester County flights?

No. A direct flight is the cheapest option for a flight between London to Westchester County.

Cheap London to Westchester County flight deals and tips

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

Fastest flight time	13h 48m
Direct flights	None

The fastest flight from London to Westchester County takes 13h 48m

There are no direct flights from London to Westchester County. There are no popular flight routes from London to Westchester County.

Search flight deals

Frequently asked questions about flying from London to Westchester County

When did momondo last update prices for flights from London to Westchester County?
Prices for flights from London to Westchester County are refreshed on a daily basis.
How old do you have to be to fly from London to Westchester County?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Westchester County.
What documentation or ID do you need to fly to Westchester County?
The travel and health documents required for your trip to Westchester County 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 Westchester County. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London to Westchester County?
Based on momondo bookings for flights between London and Westchester County, the leading plane model is Boeing 787-9 Dreamliner, making up 19.99% of the total bookings. Other popular models include Boeing 777 with 13.66%, Airbus A350-1000 with 11.78%, and Boeing 787-8 Dreamliner with 7.62%.

Why use momondo?

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

It is quick and easy to find London to Westchester County 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 Westchester County that suits you.

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

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

How can momondo help me find flights from London to Westchester County?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Westchester County.

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

If you are simply researching potential flights to Westchester County, momondo offers a useful price alert feature which will track prices for flights to Westchester County from London and alert you when they change.