In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from SWF to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Windsor to London Heathrow Airport as you normally would.

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

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

£317+ Cheap Flights from New Windsor to London Heathrow Airport

Cheap flight deals from Stewart to Heathrow

Enter your travel dates to find the best prices.

One-way

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 7 October 2026.

Wed 3/212:39 -

3 stops25h 11m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 2/10£317

Wed 3/312:39 -

3 stops25h 11m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 2/10£322

Wed 6/112:39 -

2 stops17h 46m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 6/10£331

Mon 1/211:58 -

3 stops22h 37m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 3/10£337

Sat 14/1112:39 -

3 stops39h 56m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 1/10£342

Mon 8/310:47 -

2 stops21h 38m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 6/10£344

Mon 15/319:52 -

2 stops31h 18m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 6/10£351

Sun 7/320:25 -

2 stops29h 45m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 6/10£352

Wed 18/1112:39 -

3 stops38h 26m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 3/10£355

Wed 9/1212:39 -

2 stops25h 51m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 5/10£355

Find flight deals from Stewart to Heathrow

Popular in	June
Cheapest in	January
Average price	£521

Highest demand for flights based on searches. 15% potential increase in price (£75 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Windsor to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 6/1

12:39-11:25

2 stops17h 46m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£337

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 14/11

12:39-09:35

3 stops39h 56m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£342

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 11/11

12:39-21:40

3 stops28h 01m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£357

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 27/2

12:39-21:20

3 stops27h 41m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£357

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 3/2

12:39-11:25

2 stops17h 46m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£359

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 28/10

12:39-08:05

3 stops39h 26m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£361

Fastest return journey

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 7/11

12:39-10:50

2 stops17h 11m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£375

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 24/10

12:39-11:50

2 stops18h 11m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£378

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 2/12

12:39-20:05

3 stops26h 26m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£389

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 31/10

12:39-17:40

3 stops25h 01m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£389

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Sorted by cheapest first

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.

SWF-LHR

Estimated return 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.

Related info for your journey

What airport do you fly from for flights from New Windsor to London Heathrow?
New Windsor Stewart (SWF) is the airport you will fly out of if you book a flight from New Windsor to London Heathrow. You should not have trouble finding flights to London Heathrow from Stewart; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the New Windsor airport to London Heathrow. It is only a 4.3 mi journey to Stewart (SWF) 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 holiday 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.

See more FAQs

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How does Cheapflights help users find flights from Stewart to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Stewart to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Stewart to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Stewart to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Stewart to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Stewart shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Stewart to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Stewart today and book when prices fit your budget.

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Cheap flights from New Windsor to London Heathrow Airport from £317

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stewart to Heathrow

One-way flights from Stewart to HeathrowSearch for one-way flight options from Stewart to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

Search for one-way flight options from Stewart to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

Find flight deals from Stewart to Heathrow

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Windsor to London Heathrow Airport that are best for you.

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.

Related info for your journey

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

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

How can I find direct flights from Stewart to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Stewart to Heathrow by cabin class

Find flights from Stewart to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.

Stewart and Heathrow flights

Browse other Stewart and Heathrow flight options. Last updated on 7 October 2026.

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How does Cheapflights help users find flights from Stewart to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Stewart to Heathrow?

Can Cheapflights find flights from Stewart to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Stewart to Heathrow become cheaper?

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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 7 October 2026.