Flights Santa Ana → Denver
As of September 2026, economy flights from Santa Ana to Denver have a typical range USD 295–515, median USD 333. Full range across all 227 offers: USD 225–1618. We analyzed 227 offers from 9 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: Santa Ana → Denver
Based on 227 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Santa Ana → Denver
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier | — | USD 125 | — |
| Alaska Airlines | Included | USD 35 | — |
| Southwest | Included | USD 90 | — |
| United Airlines | — | USD 80 | — |
| American Airlines | Included | USD 35 | — |
| Delta | Included | USD 90 | — |
| JetBlue | Included | — | — |
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 Santa Ana to Denver cost?
Based on 227 offers · September 2026
Santa Ana to Denver flights ranged from USD 225 to USD 1618 across 227 offers analyzed in September 2026. The chart below shows how prices distributed across all 227 offers.
These 227 offers (September 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 303 and USD 372
What hidden fees do Santa Ana to Denver flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Santa Ana to Denver routes. The breakdown below is based on 227 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 92 | 33% |
| AS | 45 | 13% |
| WN | 33 | 8% |
| UA | 73 | 21% |
| AA | 70 | 19% |
| DL | 70 | 12% |
| B6 | 10 | 1% |
Frontier Airlines: base ~USD 166 + fees USD 92 = ~USD 258 total. B6: base ~USD 1608 + fees USD 10 = ~USD 1618 total.
Frontier Airlines's USD 92 ancillary fees narrow the gap with B6's lower-fee model — the USD 1442 base difference shrinks to USD 1360 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 Santa Ana to Denver?
9 airlines flew Santa Ana to Denver 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 (Frontier Airlines), fares ranged USD 225–332 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) |
|---|---|---|---|---|
 Frontier Airlines | 24 | 225–332 | 258 | 92 (36%) |
 Southwest | 1 | — | 279 | n/a |
 United | 8 | 279–324 | 302 | n/a |
 United Airlines | 57 | 301–394 | 321 | 73 (23%) |
 Alaska Airlines | 11 | 296–408 | 340 | 45 (13%) |
 American Airlines | 18 | 333–435 | 342 | 70 (20%) |
 Southwest Airlines | 104 | 305–525 | 342 | 33 (10%) |
 Delta Air Lines | 3 | 351–847 | 367 | 70 (19%) |
 B6 | 1 | — | 1618 | 10 (1%) |
Where do the best Santa Ana → Denver 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: Santa Ana to Denver flights
- Full-service carriers on Santa Ana–Denver cost 0.5x more than budget airlines (USD 334 vs USD 624 median; overall median USD 333).
- F9 charges 9.2x more in ancillary fees than B6 — USD 92 vs USD 10 avg per booking.
- The same route priced USD 63 apart depending on where it was booked — the lowest median was USD 279. 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 Santa Ana to Denver cost?
- Based on 227 offers analyzed, Santa Ana to Denver flights range from USD 225 to USD 1618, with a median price of USD 333. Search for your specific dates →
- What hidden fees should I expect on Santa Ana to Denver flights?
- On average, ancillary fees (bags, seat selection) add USD 54 to the base fare on Santa Ana to Denver flights. See itemized fees for your itinerary →
- Which airline is cheapest on Santa Ana to Denver including all fees?
- Frontier Airlines has the lowest median fare on Santa Ana to Denver at USD 258 (median across 24 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Santa Ana–Denver 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 279. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Santa Ana to Denver routes?
- Santa Ana to Denver has 9 airlines competing, creating a price range from USD 225 to USD 1618 across 227 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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