Cheap Flights from Kalispell to Denver International

Compare Kalispell to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Kalispell to Denver International

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Denver International Airport? If you want to travel next month, return fares start from $689. Find the lowest prices on one-way and return tickets right here.

Denver.$468 per passenger.Departing Fri, 9 Oct, returning Sun, 11 Oct.Return flight with United.Outbound direct flight with United departs from Kalispell on Fri, 9 Oct, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sun, 11 Oct, arriving in Kalispell.Price includes taxes and charges.From $468, select.

Denver.$508 per passenger.Departing Mon, 14 Dec, returning Mon, 21 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Mon, 14 Dec, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Mon, 21 Dec, arriving in Kalispell.Price includes taxes and charges.From $508, select.

Denver.$509 per passenger.Departing Wed, 5 Aug, returning Mon, 10 Aug.Return flight with United.Outbound direct flight with United departs from Kalispell on Wed, 5 Aug, arriving in Denver International.Inbound direct flight with United departs from Denver International on Mon, 10 Aug, arriving in Kalispell.Price includes taxes and charges.From $509, select.

Denver.$541 per passenger.Departing Thu, 3 Sep, returning Sat, 5 Sep.Return flight with United.Outbound direct flight with United departs from Kalispell on Thu, 3 Sep, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sat, 5 Sep, arriving in Kalispell.Price includes taxes and charges.From $541, select.

Denver.$547 per passenger.Departing Thu, 18 Feb, returning Mon, 22 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Thu, 18 Feb, arriving in Denver International.Inbound indirect flight with Delta, departs from Denver International on Mon, 22 Feb, arriving in Kalispell.Price includes taxes and charges.From $547, select.

Denver.$654 per passenger.Departing Thu, 18 Feb, returning Mon, 22 Feb.Return flight with United.Outbound direct flight with United departs from Kalispell on Thu, 18 Feb, arriving in Denver International.Inbound direct flight with United departs from Denver International on Mon, 22 Feb, arriving in Kalispell.Price includes taxes and charges.From $654, select.

Denver.$689 per passenger.Departing Sun, 12 Jul, returning Sun, 19 Jul.Return flight with United.Outbound direct flight with United departs from Kalispell on Sun, 12 Jul, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sun, 19 Jul, arriving in Kalispell.Price includes taxes and charges.From $689, select.

Denver.$756 per passenger.Departing Thu, 10 Dec, returning Thu, 17 Dec.Return flight with United.Outbound direct flight with United departs from Kalispell on Thu, 10 Dec, arriving in Denver International.Inbound direct flight with United departs from Denver International on Thu, 17 Dec, arriving in Kalispell.Price includes taxes and charges.From $756, select.

Denver.$951 per passenger.Departing Sat, 9 Jan, returning Sat, 23 Jan.Return flight with United.Outbound direct flight with United departs from Kalispell on Sat, 9 Jan, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sat, 23 Jan, arriving in Kalispell.Price includes taxes and charges.From $951, select.

Denver.$1,045 per passenger.Departing Fri, 31 Jul, returning Sun, 2 Aug.Return flight with United.Outbound direct flight with United departs from Kalispell on Fri, 31 Jul, arriving in Denver International.Inbound direct flight with United departs from Denver International on Sun, 2 Aug, arriving in Kalispell.Price includes taxes and charges.From $1,045, select.

Find the cheapest month to fly from Kalispell to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to Denver International flights are currently cheapest in October.

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Kalispell to Denver International: Alternative routes

Compare routes from Kalispell to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Kalispell to Denver: Flight information

The things to know before you go.

Cheapest flight found	$468
Cheapest month to fly	October
Average flight time	2 hrs, 18 mins
Average flights per week	26

Finding cheap flights from Kalispell to Denver International: Frequently asked questions

How much are return flights from Kalispell to Denver International?

The best price we found for a return flight from Kalispell to Denver International is $468. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Kalispell to Denver International?

2 hours and 18 minutes is the average flight time from Kalispell to Denver International.

Which airlines fly direct from Kalispell to Denver International?

United and SkyWest Airlines fly direct from Kalispell to Denver International.

How many flights are there a week from Kalispell to Denver International?

As of June 2026, there are 26 flights per week flying from Kalispell to Denver International.

When is the cheapest time to fly from Kalispell to Denver International?

The cheapest month to fly from Kalispell to Denver International is usually October.

Which upcoming date is cheapest to fly from Kalispell Airport to Denver International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Denver International Airport on Friday, 9 October 2026.

Can I get a direct flight from Kalispell Airport to Denver International Airport?

Yes – the average flight time is 2 hours and 18 minutes.

How can I find the best flight deal to Denver International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Denver?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Kalispell Airport to Denver International with?

Currently, United offers the cheapest flight tickets to Denver International.

Flying from Kalispell Airport (FCA) to Denver International Airport (DEN): what you need to know

Take a direct flight from Kalispell Airport to Denver International Airport and you'll be in the air for an average of 2 hours 15 minutes.
Kalispell and Denver are in the UTC-7 timezone. This means you won't have to change your watch on arrival.
Every week, there are 19 Kalispell Airport to Denver International Airport flights. If you want to get going as early as possible, pick the 06:05 United Airlines flight. If you'd rather make the most of your time before flying, the last flight is at 17:08 with United Airlines.
For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your FCA to DEN flight.
Be prepared for longer lines in popular months such as August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.
Getting to Denver (and then exploring more of the United States!) is a snap with United. This popular carrier offers direct flights from Kalispell Airport to Denver International Airport.
United is the airline with the highest passenger demand for this route.
United is the most punctual carrier that operates FCA to DEN flights. A dependable 84.16% of its services on this route land on time.
Consider adding a stopover when booking your ticket from Kalispell Airport to Denver International Airport. Just deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between FCA and DEN:
- Harry Reid International Airport
- Salt Lake City Airport
- Oakland Metropolitan Oak Airport

How to find the cheapest flights from Kalispell Airport (FCA) to Denver International Airport (DEN)

The lowest price we've found for a one-way Kalispell Airport to Denver International Airport flight is $362. A return plane ticket is currently $468. Depending on the availability when you book, these fares may change.
Get cheap tickets from FCA to DEN by booking one month ahead. Based on our research, that's the sweet spot for picking up a bargain.
The cheapest month for flights from Kalispell Airport to Denver International Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.
You won't have to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update as soon as there's a new deal on cheap flights from FCA to DEN.
Tailor your flights with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Kalispell Airport to Denver International Airport.

Handy information about Kalispell Airport (FCA)

You'll find FCA at 4170 Highway 2 East.
Kalispell Airport has an excellent on-time record, reducing your chances of a delayed flight. Departures from FCA land on schedule 83% of the time.
Kalispell Airport is around 11 kilometres from central Kalispell. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.
The journey when using public transport typically takes 30 minutes.
Need a convenient hotel near FCA? If you've booked an early flight from Kalispell Airport to Denver International Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Denver International Airport (DEN)

After your Kalispell Airport to Denver International Airport flight has touched down, unwind and relax at a nearby hotel. Baymont by Wyndham Denver International Airport is a comfortable option within easy reach of DEN.
Go where the road takes you with a Denver International Airport rental car. Pick up your wheels from Routes Car Rentals, Dollar or Budget and experience more of Denver and beyond.
To get the best deal, book your vehicle from Denver International Airport about one week before your trip.

When to fly to Denver International Airport (DEN)

It's time to work out your dates for your flight from Kalispell Airport to Denver International Airport. July is the busiest month to head to Denver. If you want a more low-key vibe, go in January.
Before locking in your flight from Kalispell Airport to Denver International Airport, consider the type of weather you enjoy. July is the warmest month in Denver, with the temperature ranging from 14ºC to 32ºC.
If you like cooler conditions, look for a cheap ticket from FCA to DEN in January. Temperatures average between -9ºC and 7ºC then.

Explore more of the United States

Colorado Springs is just one of the many cities in the United States waiting to be explored once you've seen the sights of Denver. Around 105 kilometres away to the south, top sights here include Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.
If you want to check out another corner of the United States, consider Aurora, about 13 kilometres east of Denver. Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing are key highlights.