$175 Cheap Flights from Rockford (RFD) to Kalispell (FCA)

View $175 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA)

Cheap Flights from Rockford to Kalispell (RFD-FCA)

Prices were available within the past 7 days and start at $175 for one-way flights and $400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jun 10 - Tue, Jun 23
RFD
Rockford
FCA
Kalispell
$400 Roundtrip, found 20 hours ago
$400
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Wed, Jun 10 from Rockford to Kalispell, returning Tue, Jun 23, priced at $400 found 20 hours ago
American Airlines
Wed, Oct 22 - Wed, Oct 29
RFD
Rockford
FCA
Kalispell
$430 Roundtrip, found 13 hours ago
$430
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Rockford to Kalispell, returning Wed, Oct 29, priced at $430 found 13 hours ago
American Airlines
Fri, Oct 24 - Sat, Oct 25
RFD
Rockford
FCA
Kalispell
$450 Roundtrip, found 6 days ago
$450
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Oct 24 from Rockford to Kalispell, returning Sat, Oct 25, priced at $450 found 6 days ago
American Airlines
Sat, Oct 25 - Tue, Oct 28
RFD
Rockford
FCA
Kalispell
$460 Roundtrip, found 19 hours ago
$460
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Oct 25 from Rockford to Kalispell, returning Tue, Oct 28, priced at $460 found 19 hours ago
American Airlines
Mon, May 25 - Fri, May 29
RFD
Rockford
FCA
Kalispell
$480 Roundtrip, found 4 hours ago
$480
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, May 25 from Rockford to Kalispell, returning Fri, May 29, priced at $480 found 4 hours ago
American Airlines
Mon, May 25 - Fri, May 29
RFD
Rockford
FCA
Kalispell
$510 Roundtrip, found 2 days ago
$510
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, May 25 from Rockford to Kalispell, returning Fri, May 29, priced at $510 found 2 days ago
American Airlines
Thu, May 28 - Sun, May 31
RFD
Rockford
FCA
Kalispell
$530 Roundtrip, found 4 days ago
$530
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, May 28 from Rockford to Kalispell, returning Sun, May 31, priced at $530 found 4 days ago
American Airlines
Mon, May 25 - Fri, May 29
RFD
Rockford
FCA
Kalispell
$535 Roundtrip, found 5 days ago
$535
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, May 25 from Rockford to Kalispell, returning Fri, May 29, priced at $535 found 5 days ago
American Airlines
Sat, Oct 25 - Tue, Oct 28
RFD
Rockford
FCA
Kalispell
$540 Roundtrip, found 19 hours ago
$540
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Oct 25 from Rockford to Kalispell, returning Tue, Oct 28, priced at $540 found 19 hours ago
American Airlines
Mon, Oct 20 - Fri, Oct 31
RFD
Rockford
FCA
Kalispell
$545 Roundtrip, found 3 days ago
$545
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Oct 20 from Rockford to Kalispell, returning Fri, Oct 31, priced at $545 found 3 days ago

Alternative airports near Kalispell

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Glacier Park Intl. FCA. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $564
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $564

Frequently asked questions

How much does a flight from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA) cost?
Snag a cheap one-way flight from $175 or cheap return flight from $400 from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA)?
June is the most affordable month to fly from RFD to FCA. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest RFD to FCA flight.
How many flights per day from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA)?
Nonstop flights from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RFD to FCA?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA)?
Book a flight from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA) last-minute?
Booking your plane ticket from RFD to FCA just before your getaway is generally more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a RFD to FCA flight and hotel package?
Compared with arranging flights and hotels separately, booking a RFD to FCA flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of travel planning. Just secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Rockford, IL (RFD-Greater Rockford) to Glacier Park Intl. Airport (FCA)?
In most cases, you can cancel or modify your RFD to FCA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Greater Rockford
Destination airport
Glacier Park Intl.
Airlines serving
American Airlines
Roundtrip price
$400
Distance
1287 mi

Book with confidence

Book with confidence

Rockford to Kalispell Flights

The cheapest times to fly from Rockford to Kalispell

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rockford to Kalispell are during the month of June. You can find some of the cheapest flights from Rockford to Kalispell with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rockford to Kalispell

Sunday is one of the best days to book for cheap flights from Rockford to Kalispell: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rockford to Kalispell

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rockford to Kalispell in 2025. You can also book with separate airlines for your outbound and return journeys, from $175 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rockford to Kalispell flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rockford to Kalispell airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rockford to Kalispell Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.