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.

£288+ 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 21 August 2026.

Sun 4/1010:56 -

3 stops26h 34m

Deal found 20/8£288

Sat 30/112:39 -

3 stops20h 56m

Deal found 19/8£288

Wed 4/1112:39 -

3 stops39h 56m

Deal found 21/8£289

Sat 6/212:39 -

3 stops22h 46m

Deal found 21/8£291

Sat 5/1212:39 -

3 stops20h 56m

Deal found 20/8£291

Sat 17/1012:39 -

3 stops22h 21m

Deal found 21/8£295

Thu 15/1010:18 -

3 stops27h 37m

Deal found 19/8£301

Sun 25/1010:56 -

3 stops26h 44m

Deal found 19/8£302

Wed 2/1212:39 -

3 stops24h 51m

Deal found 18/8£305

Sun 18/1010:56 -

3 stops29h 44m

Deal found 21/8£307

Wed 23/912:39 -

3 stops22h 21m

Deal found 17/8£308

Find flight deals from Stewart to Heathrow

Popular in	June
Cheapest in	January
Average price	£549

Highest demand for flights based on searches. 20% potential increase in price (£92 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 one-way

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 17/10

12:39-16:00

3 stops22h 21m

£295

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Thu 15/10

10:18-15:00

3 stops23h 42m

£320

Fastest single journey

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 13/1

12:39-10:50

2 stops17h 11m

£327

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 30/1

12:39-10:50

2 stops17h 11m

£328

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Thu 8/10

10:18-15:00

3 stops23h 42m

£337

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Mon 25/1

11:58-11:25

3 stops18h 27m

£344

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 26/9

12:39-21:35

3 stops27h 56m

£365

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Wed 23/9

12:39-17:40

3 stops24h 01m

£365

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Sat 2/1

12:39-10:50

2 stops17h 11m

£387

New WindsorLondon

SWF New Windsor Stewart - LHR London Heathrow

SWFLHR

New Windsor Stewart

Thu 24/9

10:56-21:40

3 stops29h 44m

£412

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 11 resultsSorted 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 £288

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 4/10. 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 21 August 2026.

Search for one-way flight options from Stewart to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 August 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 21 August 2026.

Stewart and Heathrow flights

Browse other Stewart and Heathrow flight options. Last updated on 21 August 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 21 August 2026.