Flights Denver → Phoenix
As of October 2026, economy flights from Denver to Phoenix have a typical range USD 259–679, median USD 416. Full range across all 272 offers: USD 208–779. We found 51% of 272 offers from budget carriers (around USD 291) and 49% from full-service carriers (around USD 449).
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: Denver → Phoenix
Based on 272 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Denver → Phoenix
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| Alaska Airlines | Included | USD 35 | — |
| Southwest Airlines | Included | Included | — |
| American Airlines | Included | USD 35 | — |
| United | Included | USD 35 | — |
| 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 Phoenix cost?
Based on 272 offers · October 2026
Denver to Phoenix flights ranged from USD 208 to USD 779 across 272 offers analyzed in October 2026. Two fare clusters detected: budget fares around 351 and premium fares around 465 The chart below shows how prices distributed across all 272 offers.
These 272 offers (October 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 286 and USD 478
What hidden fees do Denver to Phoenix flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Denver to Phoenix routes. The breakdown below is based on 272 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 25 | 8% |
| AS | 45 | 8% |
| WN | 27 | 5% |
| AA | 45 | 9% |
| UA | 45 | 9% |
| DL | 45 | 7% |
Alaska Airlines: base ~USD 404 + fees USD 45 = ~USD 449 total. Southwest Airlines: base ~USD 445 + fees USD 27 = ~USD 472 total.
Alaska Airlines's USD 45 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 41 base difference shrinks to USD 23 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 Phoenix?
8 airlines flew Denver to Phoenix in this dataset. The route shows a clear split between low-cost and full-service carriers. 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) |
|---|---|---|---|---|
 Frontier | 6 | — | 259 | n/a |
 Frontier Airlines | 133 | 208–337 | 286 | 25 (9%) |
 LF | 1 | — | 291 | n/a |
 Alaska Airlines | 10 | 410–779 | 449 | 45 (10%) |
 Southwest Airlines | 84 | 472–679 | 472 | 27 (6%) |
 United Airlines | 12 | 472–491 | 472 | 45 (10%) |
 American Airlines | 13 | 472–521 | 482 | 45 (9%) |
 Delta Air Lines | 13 | 566–729 | 673 | 45 (7%) |
Where do the best Denver → Phoenix 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: Denver to Phoenix flights
- Full-service carriers on Denver–Phoenix cost 1.4x more than budget airlines (USD 473 vs USD 339 median; overall median USD 416).
- AS charges 1.8x more in ancillary fees than F9 — USD 45 vs USD 25 avg per booking.
- The same route priced USD 420 apart depending on where it was booked — the lowest median was USD 259. 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 Phoenix cost?
- Based on 272 offers analyzed, Denver to Phoenix flights range from USD 208 to USD 779, with a median price of USD 416. Search for your specific dates →
- What hidden fees should I expect on Denver to Phoenix flights?
- On average, ancillary fees (bags, seat selection) add USD 29 to the base fare on Denver to Phoenix flights. See itemized fees for your itinerary →
- Which airline is cheapest on Denver to Phoenix including all fees?
- Frontier has the lowest median fare on Denver to Phoenix at USD 259 (median across 6 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Denver–Phoenix 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 259. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Denver to Phoenix routes?
- Denver to Phoenix has 8 airlines competing, creating a price range from USD 208 to USD 779 across 272 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
8 airlines, two price clusters — find which fits your budget
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