In terms of precipitation, rainfall in Kalispell ranges from 1.0 - 2.6 inches per month. June is typically the wettest month, when rainfall can reach 2.6 in. February is typically the driest time to visit Kalispell when rainfall is around 1.0 in.

If weather is an important factor for your trip to Kalispell, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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

Find a great deal and save up to 111% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from New Windsor to Kalispell within the next two weeks, with the cheapest ticket starting at $410.

What is the cheapest month to fly from New Windsor to Kalispell?

Flights from New Windsor to Kalispell lean towards being more expensive in December. Prices are generally better when you fly from New Windsor to Kalispell in January, with the cheapest ticket starting at $234.

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

When flying from New Windsor to Kalispell, 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 Kalispell that include hotel bookings?

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

How can I find direct flights from Stewart to Kalispell?

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

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

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

$464+ Flights from New Windsor to Kalispell

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Stewart to Kalispell with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Stewart to Kalispell

Popular in	December
Cheapest in	January
Average price	$611

High demand for flights, 4% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Stewart to Kalispell

One-way flights from Stewart to Kalispell
Search for one-way flight options from Stewart to Kalispell. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Thu 1/1510:48 amSWF - FCA

3 stops25h 38mAllegiant Air

Deal found 8/18

$464

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New WindsorKalispell

SWF - FCA

SWFFCA

New Windsor Stewart

Thu 1/15

10:48 am-10:26 am

3 stops25h 38m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Stewart to Kalispell

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

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

Currently, October is the cheapest month in which you can book a flight from New Windsor to Kalispell (average of $373). Flying from New Windsor to Kalispell in July is currently the most expensive (average of $600). 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 Kalispell that include hotel bookings?
Yes. In addition to deals on Stewart to Kalispell flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to Kalispell?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Kalispell.
Can I find deals for business class flights from Stewart to Kalispell?
Yes. Cheapflights offers flight deals from Stewart to Kalispell 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 Kalispell?
Currently, October is the cheapest month in which you can book a flight from New Windsor to Kalispell (average of $373). Flying from New Windsor to Kalispell in July is currently the most expensive (average of $600). 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

East Glacier Park

Polson

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Stewart to Kalispell

Newark to Bozeman flights

John F Kennedy Intl to Bozeman flights

LaGuardia to Bozeman flights

Newark to Kalispell flights

John F Kennedy Intl to Kalispell flights

LaGuardia to Kalispell flights

Syracuse to Billings flights

Newark to Missoula flights

John F Kennedy Intl to Missoula flights

LaGuardia to Missoula flights

John F Kennedy Intl to Billings flights

LaGuardia to Billings flights

Newark to Billings flights

Buffalo to Missoula flights

Syracuse to Kalispell flights

Buffalo to Kalispell flights

Albany to Bozeman flights

White Plains to Billings flights

Newark to West Yellowstone flights

Buffalo to Bozeman flights

John F Kennedy Intl to West Yellowstone flights

Newark to Great Falls flights

Rochester to Bozeman flights

LaGuardia to Great Falls flights

Albany to Billings flights

Albany to Missoula flights

Syracuse to Bozeman flights

Newark to Helena flights

John F Kennedy Intl to Helena flights

Newark to Cody flights

White Plains to Bozeman flights

John F Kennedy Intl to Great Falls flights

Albany to Kalispell flights

Rochester to Missoula flights

LaGuardia to Cody flights

LaGuardia to West Yellowstone flights

LaGuardia to Helena flights

Rochester to Kalispell flights

Newark to Butte flights

Elmira to Missoula flights

Ithaca to Bozeman flights

Buffalo to Billings flights

LaGuardia to Butte flights

Ithaca to Missoula flights

Syracuse to Missoula flights

Rochester to Billings flights

Elmira to Bozeman flights

Syracuse to Cody flights

John F Kennedy Intl to Butte flights

Rochester to Great Falls flights

Other flights to Kalispell

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$464+ Cheap flights from New Windsor to Kalispell (SWF - FCA)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to Kalispell with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Stewart to Kalispell

Popular in

Cheapest in

Average price

Find flight deals from Stewart to Kalispell

One-way flights from Stewart to KalispellSearch for one-way flight options from Stewart to Kalispell. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Search for one-way flight options from Stewart to Kalispell. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Stewart to Kalispell

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

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Kalispell

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

Related info for your journey

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

How can I find direct flights from Stewart to Kalispell?

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

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

Traveling to a place near Kalispell?

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 Kalispell

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

One-way flights from Stewart to Kalispell
Search for one-way flight options from Stewart to Kalispell. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.