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$527+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/2311:43 amSWF - LHR
1 stop14h 02mMultiple Airlines
Mon 12/293:50 pmLHR - SWF
2 stops24h 13mMultiple Airlines
Deal found 12/11$1,893

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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,893
(Kiwi.com)

One-way from

$527
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$729
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
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One-way flight from New Windsor Stewart to London Heathrow
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High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 2025.
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 12/23

11:43 am-6:45 am

1 stop14h 02m

London Heathrow

Mon 12/29

3:50 pm-11:03 am

2 stops24h 13m

$1,893

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Thu 2/26

7:22 pm-1:00 pm

2 stops36h 38m

$527

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Mon 12/22

8:25 pm-8:35 pm

3 stops43h 10m

$604

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Tue 12/23

11:43 am-6:45 am

1 stop14h 02m

$758

New WindsorLondon

SWF - LHR

SWFLHR

New Windsor Stewart

Fri 12/19

8:11 pm-5:15 pm

3 stops40h 04m

$966

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Stewart to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Stewart to Heathrow in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 Expedia the most. Expedia 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, February is the cheapest month in which you can book a flight from New Windsor to London Heathrow Airport (average of $390). 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, February is the cheapest month in which you can book a flight from New Windsor to London Heathrow Airport (average of $390). 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
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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