Flights Phoenix → San Luis Obispo
As of October 2026, economy flights from Phoenix to San Luis Obispo have a typical range USD 570–903, median USD 613. Full range across all 222 offers: USD 527–1421. We found 56% of 222 offers from budget carriers (around USD 602) and 44% from full-service carriers (around USD 618).
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: Phoenix → San Luis Obispo
Based on 222 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Phoenix → San Luis Obispo
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska | — | USD 90 | — |
| Alaska Airlines | — | USD 35 | — |
| United Airlines | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| United | — | USD 100 | — |
| American | — | USD 90 | — |
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 Phoenix to San Luis Obispo cost?
Based on 222 offers · October 2026
Phoenix to San Luis Obispo flights ranged from USD 527 to USD 1421 across 222 offers analyzed in October 2026. Two fare clusters detected: budget fares around 840 and premium fares around 1376 The chart below shows how prices distributed across all 222 offers.
These 222 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 600 and USD 769
What hidden fees do Phoenix to San Luis Obispo flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Phoenix to San Luis Obispo routes. The breakdown below is based on 222 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| Alaska | 90 | 15% |
| AS | 34 | 5% |
| UA | 48 | 7% |
| AA | 78 | 9% |
| United | 100 | 14% |
| American | 90 | 9% |
Alaska: base ~USD 533 + fees USD 90 = ~USD 623 total. Alaska Airlines: base ~USD 584 + fees USD 34 = ~USD 618 total.
Alaska's USD 90 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 51 base difference shrinks to USD 5 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 Phoenix to San Luis Obispo?
6 airlines flew Phoenix to San Luis Obispo 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.
Even on the cheapest airline (United Airlines), fares ranged USD 600–875 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) |
|---|---|---|---|---|
 United Airlines | 125 | 600–875 | 602 | 48 (8%) |
 Alaska Airlines | 70 | 565–845 | 618 | 34 (5%) |
 Alaska | 7 | 556–641 | 623 | 90 (14%) |
 United | 2 | 621–779 | 700 | 100 (14%) |
 American Airlines | 14 | 587–1258 | 759 | 78 (10%) |
 American | 4 | — | 1011 | 90 (9%) |
Where do the best Phoenix → San Luis Obispo 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: Phoenix to San Luis Obispo flights
- Phoenix–San Luis Obispo had 222 offers analyzed. Median price: USD 613.
- United charges 3.0x more in ancillary fees than AS — USD 100 vs USD 34 avg per booking.
- The same route priced USD 165 apart depending on where it was booked — the lowest median was USD 600. 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 Phoenix to San Luis Obispo cost?
- Based on 222 offers analyzed, Phoenix to San Luis Obispo flights range from USD 527 to USD 1421, with a median price of USD 613. Search for your specific dates →
- What hidden fees should I expect on Phoenix to San Luis Obispo flights?
- On average, ancillary fees (bags, seat selection) add USD 48 to the base fare on Phoenix to San Luis Obispo flights. See itemized fees for your itinerary →
- Which airline is cheapest on Phoenix to San Luis Obispo including all fees?
- United Airlines has the lowest median fare on Phoenix to San Luis Obispo at USD 602 (median across 125 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Phoenix–San Luis Obispo 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 600. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Phoenix to San Luis Obispo routes?
- Phoenix to San Luis Obispo has 6 airlines competing, creating a price range from USD 527 to USD 1421 across 222 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
6 airlines, two price clusters — find which fits your budget
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