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$531+ 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 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Stewart to Heathrow

Cheapest flights from Stewart to Heathrow
Explore the most affordable flight options available from Stewart to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/23. 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.
Tue 7/2111:48 am
SWF
-
LHR
1 stop15h 07m
Multiple Airlines
Wed 7/224:05 pm
LHR
-
SWF
1 stop21h 53m
Multiple Airlines
Deal found 1/23$3,711

Find 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 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$3,711
(Kiwi.com)

One-way from

$531
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$565
Provider with most accurate pricing for New Windsor Stewart-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for New Windsor Stewart-London Heathrow flights.
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From New Windsor Stewart to London Heathrow
Search Deals
One-way flight from New Windsor Stewart to London Heathrow
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 24, 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

Tue 7/21

11:48 am-7:55 am

1 stop15h 07m

London Heathrow

Wed 7/22

4:05 pm-8:58 am

1 stop21h 53m

$3,711

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Sun 2/1

12:13 pm-10:50 am

2 stops17h 37m

$531

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Sun 5/3

11:48 am-8:20 pm

2 stops27h 32m

$531

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Sun 3/22

11:48 am-10:50 am

2 stops19h 02m

$568

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Thu 2/12

11:48 am-1:25 pm

2 stops20h 37m

$803

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Thu 7/2

9:38 am-4:40 pm

2 stops26h 02m

$985

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Sun 6/28

9:38 am-5:20 am

1 stop14h 42m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

  • 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
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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