HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$491+ Cheap flights from New Windsor (SWF) to Heathrow (LHR)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — LHR
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Stewart to Heathrow 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 Stewart to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Stewart (SWF) to Heathrow (LHR). 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 January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Popular in

December

Cheapest in

September

Average price

$568
Provider with most accurate pricing for New Windsor Stewart-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Windsor Stewart-London Heathrow flights.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Stewart to Heathrow

One-way flights from Stewart to Heathrow
Search for one-way flight options from Stewart to Heathrow. Find affordable one-way fares based on user searches. Data last updated January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Sun 2/112:13 pm
SWF
-
LHR
2 stops18h 27m
Multiple Airlines
Deal found 1/15$491

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart to Heathrow 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 January 15, 2026.
Use the filters below to find and compare flights from New Windsor to London Heathrow Airport that are best for you.

Fly from

Stewart

Fly to

Heathrow

Route

Depart

Return

Price

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Sun 2/1

12:13 pm-6:45 am

1 stop13h 32m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

  • Most accurate provider: When it comes to deals on New Windsor-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Windsor-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Windsor-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Windsor-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Windsor-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Stewart to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Stewart 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 New Windsor to London Heathrow Airport

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

Currently, November is the cheapest month in which you can book a flight from New Windsor to London Heathrow Airport (average of $392). Flying from New Windsor to London Heathrow Airport in June is currently the most expensive (average of $577). 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 Stewart to Heathrow. 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 from for flights from New Windsor to London Heathrow?

    Most people fly from New Windsor Stewart (SWF) if they book a flight from New Windsor to London Heathrow. On average, Stewart has 0 outbound flights to London Heathrow per day from 0 airlines. New Windsor Stewart is conveniently located just 4.3 mi from New Windsor’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stewart to Heathrow 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 New Windsor to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from New Windsor to London Heathrow Airport (average of $392). Flying from New Windsor to London Heathrow Airport in June is currently the most expensive (average of $577). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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 Stewart to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Luton flights
Newark to London City flights
Newark to Stansted flights
Newark to Luton flights
LaGuardia to Stansted flights
LaGuardia to Luton flights
White Plains to Heathrow flights
Buffalo to Heathrow flights
LaGuardia to London City flights
Rochester to Heathrow flights
Syracuse to Heathrow flights
John F Kennedy Intl to Southend flights
Buffalo to Gatwick flights
Albany to Heathrow flights
Buffalo to London City flights
Rochester to Gatwick flights
Syracuse to Gatwick flights
Ithaca to Heathrow flights
Syracuse to London City flights
Rochester to London City flights
Albany to London City flights
Watertown to Heathrow flights
Buffalo to Stansted flights
Rochester to Stansted flights
Syracuse to Stansted flights
Newark to Southend flights
Elmira to Heathrow flights
Albany to Gatwick flights
Rutland to Heathrow flights
Elmira to London City flights
Islip to Heathrow flights
Stewart to Gatwick flights
White Plains to Gatwick flights
Binghamton to Heathrow flights
Stewart to Stansted flights
Stewart to Southend flights
Stewart to Luton 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.