Flights Denver → Kalispell
As of June 2026, economy flights from Denver to Kalispell have a typical range USD 440–1017, median USD 743. Full range across all 700 offers: USD 181–1305. We analyzed 700 offers from 11 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Why fly Denver → Kalispell?
This route offers access to the stunning Rocky Mountains and outdoor adventures, making it a popular choice for both leisure and business travelers seeking scenic destinations.
Best for: outdoor enthusiasts · skiers and snowboarders · business travelers
Booking tips: To secure a better deal, aim to book when prices are closer to the p25 of $575.91, as the median price is significantly higher at $743.
Flight prices for this route are generally on the higher side, reflecting its popularity and the desirable destination.
AI-generated summary from price distribution data · gemini-2.5-flash-lite
Best offers by airline: Denver → Kalispell
Based on 700 offers · June 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Denver → Kalispell
Add-on pricing from the cheapest available offer per airline · June 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska Airlines | Included | — | — |
| Alaska Airlines | Included | USD 30 | — |
| Frontier | — | — | — |
| JetBlue | — | USD 35 | — |
| American Airlines | Included | USD 50 | — |
| United Airlines | Included | USD 40 | — |
| Delta | Included | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Denver to Kalispell cost?
Based on 700 offers · June 2026
Denver to Kalispell flights ranged from USD 181 to USD 1305 across 700 offers analyzed in June 2026. The chart below shows how prices distributed across all 700 offers.
These 700 offers (June 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 576 and USD 887
What hidden fees do Denver to Kalispell flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Denver to Kalispell routes. The breakdown below is based on 700 offers analyzed in June 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AS | 19 | 2% |
| HA | 40 | 5% |
| F9 | 71 | 24% |
| B6 | 24 | 3% |
| AA | 41 | 6% |
| UA | 38 | 6% |
| DL | 36 | 4% |
Frontier Airlines: base ~USD 529 + fees USD 71 = ~USD 600 total. Alaska Airlines: base ~USD 736 + fees USD 19 = ~USD 755 total.
Frontier Airlines's USD 71 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 207 base difference shrinks to USD 155 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Denver to Kalispell?
11 airlines flew Denver to Kalispell in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 American Airlines | 8 | — | 483 | n/a |
 Sun Country Airlines | 1 | — | 503 | n/a |
 B6 | 33 | — | 580 | 24 (4%) |
 United Airlines | 73 | — | 584 | 38 (7%) |
 Frontier Airlines | 52 | — | 600 | 71 (12%) |
 American Airlines | 101 | — | 648 | 41 (6%) |
 Alaska Airlines | 342 | — | 755 | 19 (3%) |
 Delta Airlines | 11 | — | 788 | n/a |
 Hawaiian Airlines | 31 | — | 789 | 40 (5%) |
 Delta Air Lines | 30 | — | 825 | 36 (4%) |
 United Airlines | 18 | — | 830 | n/a |
Where do the best Denver → Kalispell prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Denver to Kalispell flights
- Full-service carriers on Denver–Kalispell cost 1.2x more than budget airlines (USD 689 vs USD 590 median; overall median USD 743).
- F9 charges 3.7x more in ancillary fees than AS — USD 71 vs USD 19 avg per booking.
- The same route priced USD 489 apart depending on where it was booked — the lowest median was USD 300. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Denver to Kalispell cost?
- Based on 700 offers analyzed, Denver to Kalispell flights range from USD 181 to USD 1305, with a median price of USD 743. Search for your specific dates →
- What hidden fees should I expect on Denver to Kalispell flights?
- On average, ancillary fees (bags, seat selection) add USD 28 to the base fare on Denver to Kalispell flights. See itemized fees for your itinerary →
- Which airline is cheapest on Denver to Kalispell including all fees?
- American Airlines has the lowest median fare on Denver to Kalispell at USD 483 (median across 8 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Denver–Kalispell flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 300. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Denver to Kalispell routes?
- Denver to Kalispell has 11 airlines competing, creating a price range from USD 181 to USD 1305 across 700 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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