HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Stewart

$340+ Cheap flights from London (LON) to New Windsor (SWF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SWF
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to Stewart with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from London to Stewart

Cheapest flights from London to Stewart
Explore the most affordable flight options available from London to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:00 pm
LGW
-
SWF
2 stops25h 31m
Multiple Airlines
Thu 3/1911:48 am
SWF
-
LGW
1 stop18h 12m
Multiple Airlines
Deal found 2/10$724
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:50 pm
LHR
-
SWF
2 stops30h 11m
Multiple Airlines
Thu 3/1911:48 am
SWF
-
LHR
1 stop14h 57m
Multiple Airlines
Deal found 2/10$2,909

Find flight deals from London to Stewart

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Stewart (SWF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$724
(Kiwi.com)

One-way from

$340
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$478
Provider with most accurate pricing for London (LON)-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-New York (NYC) flights.
Search Deals
From London (LON) to New Windsor Stewart
Search Deals
One-way flight from London (LON) to New Windsor Stewart
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Stewart that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from London to New Windsor that are best for you.

Fly from

London

Fly to

Stewart

Route

Depart

Return

Price

LondonNew Windsor

LGW - SWF

LGWSWF

London Gatwick

Thu 3/12

2:00 pm-11:31 am

2 stops25h 31m

New Windsor Stewart

Thu 3/19

11:48 am-10:00 am

1 stop18h 12m

$724

LondonNew Windsor

LHR - SWF

LHRSWF

London Heathrow

Thu 3/12

4:50 pm-7:01 pm

2 stops30h 11m

New Windsor Stewart

Thu 3/19

11:48 am-6:45 am

1 stop14h 57m

$2,909

LondonNew Windsor

LGW - SWF

LGWSWF

London Gatwick

Thu 3/5

2:00 pm-10:12 am

1 stop25h 12m

$340

LondonNew Windsor

LGW - SWF

LGWSWF

London Gatwick

Thu 3/12

2:00 pm-9:02 am

1 stop23h 02m

$368

LondonNew Windsor

LGW - SWF

LGWSWF

London Gatwick

Thu 2/26

2:00 pm-10:13 am

1 stop25h 13m

$368

LondonNew Windsor

STN - SWF

STNSWF

London Stansted

Thu 4/23

6:30 am-10:50 am

3 stops33h 20m

$387

LondonNew Windsor

LGW - SWF

LGWSWF

London Gatwick

Thu 5/28

2:00 pm-8:51 am

1 stop23h 51m

$401

LondonNew Windsor

STN - SWF

STNSWF

London Stansted

Sat 3/7

6:30 am-8:19 am

3 stops30h 49m

$473

LondonNew Windsor

LHR - SWF

LHRSWF

London Heathrow

Sat 4/25

9:25 pm-10:50 am

2 stops42h 25m

$542

LondonNew Windsor

LHR - SWF

LHRSWF

London Heathrow

Fri 3/6

8:45 pm-8:19 am

3 stops40h 34m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from London to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to New Windsor

What is the cheapest month to book a flight from London to New Windsor?

Currently, January is the cheapest month in which you can book a flight from London to New Windsor (average of $350). Flying from London to New Windsor in July is currently the most expensive (average of $455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from London to Stewart. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to New Windsor from London?

    New Windsor Stewart (SWF) is the airport you will fly into if you book a flight from London to New Windsor. You should not have trouble finding flights to Stewart from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the New Windsor airport from London. It is only a 4.3 mi journey from Stewart (SWF) to New Windsor’s city center.

  • What are the most popular routes from London to New Windsor?

    When deciding which route to take from London to New Windsor consider London City - New Windsor Stewart, London Gatwick - New Windsor Stewart or London Heathrow - New Windsor Stewart as they are the most popular.

  • Can I find deals for flights from London to Stewart that include hotel bookings?

    Yes. In addition to deals on London to Stewart flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Stewart?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Stewart.

  • Can I find deals for business class flights from London to Stewart?

    Yes. Cheapflights offers flight deals from London to Stewart by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to New Windsor?

    Currently, January is the cheapest month in which you can book a flight from London to New Windsor (average of $350). Flying from London to New Windsor in July is currently the most expensive (average of $455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near New Windsor?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Stewart

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
London City to Newark flights
Stansted to Newark flights
Luton to Newark flights
Manchester to John F Kennedy Intl flights
Edinburgh to Newark flights
Edinburgh to John F Kennedy Intl flights
Manchester to Newark flights
Manchester to LaGuardia flights
Edinburgh to LaGuardia flights
Birmingham to John F Kennedy Intl flights
Luton to LaGuardia flights
Birmingham to Newark flights
Birmingham to LaGuardia flights
Southampton to John F Kennedy Intl flights
Southend to John F Kennedy Intl flights
Leeds to John F Kennedy Intl flights
Southampton to Newark flights
Bristol to John F Kennedy Intl flights
Newcastle upon Tyne to John F Kennedy Intl flights
Liverpool to John F Kennedy Intl flights
Leeds to Newark flights
Heathrow to Rochester flights
Bristol to Newark flights
Newcastle upon Tyne to Newark flights
Liverpool to Newark flights
Newcastle upon Tyne to LaGuardia flights
Bristol to LaGuardia flights
Heathrow to Buffalo flights
Heathrow to White Plains flights
Gatwick to Buffalo flights
Heathrow to Syracuse flights
Southampton to LaGuardia flights
Southend to Newark flights
Newcastle upon Tyne to Albany flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.