In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

When flying from New Windsor to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on New Windsor-St. Louis flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on New Windsor-St. Louis flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from New Windsor-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on New Windsor-St. Louis 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-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Stewart to St. Louis that include hotel bookings?

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

How can I find direct flights from Stewart to St. Louis?

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

Can I find deals for business class flights from Stewart to St. Louis?

Yes. Cheapflights offers flight deals from Stewart to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$154+ Flights from New Windsor to St. Louis

Q: What is the cheapest month to book a flight from New Windsor to St. Louis?

Currently, March is the cheapest month in which you can book a flight from New Windsor to St. Louis (average of $59). Flying from New Windsor to St. Louis in December is currently the most expensive (average of $257). 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.

Q: E

Most trusted provider : When it comes to deals on New Windsor-St. Louis 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-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: Can I find deals for flights from Stewart to St. Louis that include hotel bookings?

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

Q: How can I find direct flights from Stewart to St. Louis?

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

Q: Can I find deals for business class flights from Stewart to St. Louis?

Yes. Cheapflights offers flight deals from Stewart to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flight deals from Stewart to St. Louis

Cheapest flights from Stewart to St. Louis
Explore the most affordable flight options available from Stewart to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

jue. 2/511:48 am

SWF

STL

1 stop12h 45m

Multiple Airlines

dom. 2/85:42 pm

STL

SWF

2 stops16h 49m

Multiple Airlines

Deal found 1/26

$292

Best flights from Stewart to St. Louis
Discover carefully curated flight deals from Stewart to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated enero 26, 2026.

jue. 2/511:48 am

SWF

STL

1 stop12h 45m

Multiple Airlines

dom. 2/85:42 pm

STL

SWF

2 stops16h 49m

Multiple Airlines

Deal found 1/26

$292

Last-minute flights from Stewart to St. Louis
Discover last-minute flight deals from Stewart to St. Louis. Data last updated enero 26, 2026 and is based on user searches.

jue. 2/511:48 am

SWF

STL

1 stop12h 45m

Multiple Airlines

dom. 2/85:42 pm

STL

SWF

2 stops16h 49m

Multiple Airlines

Deal found 1/26

$292

One-way flights from Stewart to St. Louis
Search for one-way flight options from Stewart to St. Louis. Find affordable one-way fares based on user searches. Data last updated enero 26, 2026.

jue. 2/511:48 am

SWF

STL

1 stop12h 45m

Multiple Airlines

Deal found 1/24

$154

jue. 4/2311:48 am

SWF

STL

1 stop12h 31m

Multiple Airlines

Deal found 1/25

$188

vie. 2/2711:03 am

SWF

STL

1 stop14h 24m

Multiple Airlines

Deal found 1/26

$193

vie. 4/310:00 am

SWF

STL

1 stop22h 51m

Multiple Airlines

Deal found 1/24

$198

dom. 2/811:48 am

SWF

STL

1 stop12h 45m

Multiple Airlines

Deal found 1/24

$203

jue. 4/1611:45 am

SWF

STL

2 stops20h 05m

Multiple Airlines

Deal found 1/25

$210

sáb. 4/411:45 am

SWF

STL

1 stop12h 40m

Multiple Airlines

Deal found 1/24

$224

jue. 4/211:48 am

SWF

STL

1 stop12h 37m

Multiple Airlines

Deal found 1/25

$333

Find flight deals from Stewart to St. Louis

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$292 (Kiwi.com)
One-way from	$154 (Kiwi.com)
Popular in	November
Cheapest in	March
Average price	$334

Provider with most accurate pricing for New Windsor Stewart-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for New Windsor Stewart-Lambert-St Louis flights.

Search Deals

From New Windsor Stewart to Lambert-St Louis

Search Deals

One-way flight from New Windsor Stewart to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

jue. 2/5

11:48 am-11:33 pm

1 stop12h 45m

Lambert-St Louis

dom. 2/8

5:42 pm-11:31 am

2 stops16h 49m

$292

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

jue. 2/5

11:48 am-11:33 pm

1 stop12h 45m

$154

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

jue. 4/23

11:48 am-11:19 pm

1 stop12h 31m

$188

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

vie. 2/27

11:03 am-12:27 am

1 stop14h 24m

$193

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

vie. 4/3

10:00 am-7:51 am

1 stop22h 51m

$198

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

dom. 2/8

11:48 am-11:33 pm

1 stop12h 45m

$203

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

jue. 4/16

11:45 am-6:50 am

2 stops20h 05m

$210

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

sáb. 4/4

11:45 am-11:25 pm

1 stop12h 40m

$224

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

jue. 4/2

11:48 am-11:25 pm

1 stop12h 37m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Most accurate provider: When it comes to deals on New Windsor-St. Louis flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on New Windsor-St. Louis flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from New Windsor-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on New Windsor-St. Louis 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-St. Louis 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 St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

What is the cheapest month to book a flight from New Windsor to St. Louis?

Currently, March is the cheapest month in which you can book a flight from New Windsor to St. Louis (average of $59). Flying from New Windsor to St. Louis in December is currently the most expensive (average of $257). 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

Can I find deals for flights from Stewart to St. Louis that include hotel bookings?
Yes. In addition to deals on Stewart to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to St. Louis.
Can I find deals for business class flights from Stewart to St. Louis?
Yes. Cheapflights offers flight deals from Stewart to St. Louis 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 St. Louis?
Currently, March is the cheapest month in which you can book a flight from New Windsor to St. Louis (average of $59). Flying from New Windsor to St. Louis in December is currently the most expensive (average of $257). 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

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$154+ Cheap flights from New Windsor to St. Louis (SWF - STL)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to St. Louis with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Stewart to St. Louis

Cheapest flights from Stewart to St. LouisExplore the most affordable flight options available from Stewart to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

Explore the most affordable flight options available from Stewart to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

Find flight deals from Stewart to St. Louis

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Most trusted provider

Round-trip from

One-way from

Popular in

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Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Windsor to St. Louis that are best for you.

Best time to book a flight from Stewart to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Stewart with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New Windsor to St. Louis

What is the cheapest month to book a flight from New Windsor to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Stewart to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Stewart to St. Louis that include hotel bookings?

How can I find direct flights from Stewart to St. Louis?

Can I find deals for business class flights from Stewart to St. Louis?

What is the cheapest month to book a flight from New Windsor to St. Louis?

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Cheapest flights from Stewart to St. Louis
Explore the most affordable flight options available from Stewart to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.