Flights San Diego → Kalispell
As of November 2026, economy flights from San Diego to Kalispell have a typical range USD 791–1759, median USD 1084. Full range across all 277 offers: USD 730–5930. We analyzed 277 offers from 5 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 →
Best offers by airline: San Diego → Kalispell
Based on 277 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Diego → Kalispell
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska | — | USD 90 | — |
| United Airlines | — | — | — |
| Alaska Airlines | — | — | — |
| United | — | USD 100 | — |
| Delta | — | — | — |
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 San Diego to Kalispell cost?
Based on 277 offers · November 2026
San Diego to Kalispell flights ranged from USD 730 to USD 5930 across 277 offers analyzed in November 2026. The chart below shows how prices distributed across all 277 offers.
These 277 offers (November 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 838 and USD 1411
What hidden fees do San Diego to Kalispell flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Diego to Kalispell routes. The breakdown below is based on 277 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| Alaska | 99 | 12% |
| UA | 10 | 1% |
| AS | 10 | 1% |
| United | 100 | 9% |
| DL | 12 | 1% |
United: base ~USD 1054 + fees USD 100 = ~USD 1154 total. United Airlines: base ~USD 1301 + fees USD 10 = ~USD 1311 total.
United's USD 100 ancillary fees narrow the gap with United Airlines's lower-fee model — the USD 247 base difference shrinks to USD 157 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 San Diego to Kalispell?
5 airlines flew San Diego 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.
Even on the cheapest airline (Alaska), fares ranged USD 733–831 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Alaska | 39 | 733–831 | 786 | 99 (13%) |
 Alaska Airlines | 91 | 800–1218 | 928 | 10 (1%) |
 United | 2 | — | 1154 | 100 (9%) |
 United Airlines | 104 | 850–1752 | 1311 | 10 (1%) |
 Delta Air Lines | 41 | 1254–3519 | 1704 | 12 (1%) |
Where do the best San Diego → Kalispell prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency 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: San Diego to Kalispell flights
- San Diego–Kalispell had 277 offers analyzed. Median price: USD 1084.
- United charges 10.0x more in ancillary fees than AS — USD 100 vs USD 10 avg per booking.
- The same route priced USD 548 apart depending on where it was booked — the lowest median was USD 789. 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 San Diego to Kalispell cost?
- Based on 277 offers analyzed, San Diego to Kalispell flights range from USD 730 to USD 5930, with a median price of USD 1084. Search for your specific dates →
- What hidden fees should I expect on San Diego to Kalispell flights?
- On average, ancillary fees (bags, seat selection) add USD 24 to the base fare on San Diego to Kalispell flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Diego to Kalispell including all fees?
- Alaska has the lowest median fare on San Diego to Kalispell at USD 786 (median across 39 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Diego–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 789. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Diego to Kalispell routes?
- San Diego to Kalispell has 5 airlines competing, creating a price range from USD 730 to USD 5930 across 277 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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