In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

If weather is an important factor for your trip to Rapid City, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

How far in advance should I book a flight from New Windsor to Rapid City?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 35% on flights from New Windsor to Rapid City compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $378. For sooner than that we have options available in the next 3 days from $479.

What is the cheapest month to fly from New Windsor to Rapid City?

March is one of the best times of the year to fly to Rapid City from New Windsor. Prices for March average $484 per person but you can even find prices for as low as $330. The most expensive prices can be found in the month of December. Opting for a March flight can save you 43% on your journey compared to booking in December

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

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

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

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

How can I find direct flights from Stewart to Rapid City?

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

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

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

$260+ Flights from New Windsor to Rapid City

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Cheap flight deals from Stewart to Rapid City

Popular in	December
Cheapest in	March
Average price	$430

Highest demand for flights based on searches. 7% potential increase in price ($38 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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One-way flights from Stewart to Rapid City
Search for one-way flight options from Stewart to Rapid City. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Sat 11/2911:36 amSWF - RAP

3 stops22h 38mAllegiant Air

Deal found 8/16

$969

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

New WindsorRapid City

SWF - RAP

SWFRAP

New Windsor Stewart

Fri 8/22

11:02 am-12:00 pm

1 stop26h 58m

$260

New WindsorRapid City

SWF - RAP

SWFRAP

New Windsor Stewart

Sat 11/29

11:36 am-8:14 am

3 stops22h 38m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Stewart to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City 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 Rapid City

What is the cheapest month to book a flight from New Windsor to Rapid City?

Currently, January is the cheapest month in which you can book a flight from New Windsor to Rapid City (average of $348). Flying from New Windsor to Rapid City in June is currently the most expensive (average of $502). 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 Rapid City that include hotel bookings?
Yes. In addition to deals on Stewart to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to Rapid City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Rapid City.
Can I find deals for business class flights from Stewart to Rapid City?
Yes. Cheapflights offers flight deals from Stewart to Rapid City 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 Rapid City?
Currently, January is the cheapest month in which you can book a flight from New Windsor to Rapid City (average of $348). Flying from New Windsor to Rapid City in June is currently the most expensive (average of $502). 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.

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$260+ Cheap flights from New Windsor to Rapid City (SWF - RAP)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to Rapid City with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Stewart to Rapid City

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One-way flights from Stewart to Rapid CitySearch for one-way flight options from Stewart to Rapid City. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Search for one-way flight options from Stewart to Rapid City. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Stewart to Rapid City

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

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Rapid City

What is the cheapest month to book a flight from New Windsor to Rapid City?

Related info for your journey

Find useful and relevant information for your journey from Stewart to Rapid City. 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 Rapid City that include hotel bookings?

How can I find direct flights from Stewart to Rapid City?

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

What is the cheapest month to book a flight from New Windsor to Rapid City?

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One-way flights from Stewart to Rapid City
Search for one-way flight options from Stewart to Rapid City. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.