$369+ Cheap flights from Rapid City to Kalispell (RAP - FCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — FCA
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Rapid City 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 Rapid City to Kalispell
Cheapest
Best
Last-minute
Cheapest flights from Rapid City to KalispellExplore the most affordable flight options available from Rapid City to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Rapid City to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:40 am -
1 stop7h 14m
Sat 9/265:12 pm -
1 stop5h 18m
Deal found 9/7![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am -
1 stop6h 29m
Fri 9/254:17 pm -
2 stops19h 38m
Deal found 9/5![United Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:30 pm -
2 stops8h 24m
Sat 9/265:30 am -
2 stops10h 21m
Deal found 9/7![Delta logo]()
$3,954
Best flights from Rapid City to KalispellDiscover carefully curated flight deals from Rapid City to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Rapid City to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:40 am -
1 stop7h 14m
Sat 9/265:12 pm -
1 stop5h 18m
Deal found 9/7![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/124:40 pm -
1 stop4h 50m
Sat 1/169:30 am -
1 stop7h 33m
Deal found 9/9![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am -
1 stop6h 29m
Fri 9/254:17 pm -
2 stops19h 38m
Deal found 9/5![United Airlines logo]()
$708
Last-minute flights from Rapid City to KalispellDiscover last-minute flight deals from Rapid City to Kalispell. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Rapid City to Kalispell. Data last updated September 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am -
1 stop6h 29m
Fri 9/254:17 pm -
2 stops19h 38m
Deal found 9/5![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:40 am -
1 stop7h 14m
Sat 9/265:12 pm -
1 stop5h 18m
Deal found 9/7![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:30 pm -
2 stops8h 24m
Sat 9/265:30 am -
2 stops10h 21m
Deal found 9/7![Delta logo]()
$3,954
Find flight deals from Rapid City to Kalispell
Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Kalispell (FCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Rapid City to Kalispell that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Rapid City to Kalispell that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityKalispell
RAP Rapid City - FCA Kalispell Glacier Park
RAPFCA
Rapid City
Tue 9/22
8:40 am-3:54 pm
1 stop7h 14m
Kalispell Glacier Park
Sat 9/26
5:12 pm-10:30 pm
1 stop5h 18m
$369
Quickest round-trip
Rapid CityKalispell
RAP Rapid City - FCA Kalispell Glacier Park
RAPFCA
Rapid City
Tue 1/12
4:40 pm-9:30 pm
1 stop4h 50m
Kalispell Glacier Park
Sat 1/16
9:30 am-5:03 pm
1 stop7h 33m
$399
Rapid CityKalispell
RAP Rapid City - FCA Kalispell Glacier Park
RAPFCA
Rapid City
Mon 9/21
7:00 am-1:29 pm
1 stop6h 29m
Kalispell Glacier Park
Fri 9/25
4:17 pm-11:55 am
2 stops19h 38m
$708
Sorted by cheapest first
Compare providers for flights from Rapid City to Kalispell
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Kalispell in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Rapid City-Kalispell flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Kalispell flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Kalispell flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Rapid City-Kalispell flights, Cheapflights users trust FlightHub the most. FlightHub 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 Rapid City-Kalispell 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 Rapid City to Kalispell
Have a flexible travel schedule? Discover the best time to fly to Kalispell from Rapid City with our price prediction graph.
RAP-FCA
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.
Related info for your journey
Find useful and relevant information for your journey from Rapid City to Kalispell. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Kalispell?
Book flights to Kalispell if you plan to visit one of these locationsColumbia Falls
East Glacier Park
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