Flights Phoenix → San Diego
As of November 2026, economy flights from Phoenix to San Diego have a typical range USD 113–239, median USD 148. Full range across all 37 offers: USD 69–259. We found 14% of 37 offers from budget carriers (around USD 114) and 86% from full-service carriers (around USD 186).
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 Diego
Based on 37 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Phoenix → San Diego
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | USD 82 | USD 83 | — |
| Southwest Airlines | Included | Included | — |
| American Airlines | Included | USD 35 | — |
| Southwest | — | USD 45 | — |
| Alaska | — | USD 45 | — |
| Alaska Airlines | — | 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 Phoenix to San Diego cost?
Based on 37 offers · November 2026
Phoenix to San Diego flights ranged from USD 69 to USD 259 across 37 offers analyzed in November 2026. Two fare clusters detected: budget fares around 116 and premium fares around 211 The chart below shows how prices distributed across all 37 offers.
What hidden fees do Phoenix to San Diego flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Phoenix to San Diego routes. The breakdown below is based on 37 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 175 | 254% |
| WN | 0 | 0% |
| AA | 53 | 30% |
| Southwest | 45 | 39% |
| Alaska | 45 | 39% |
| AS | 45 | 19% |
Frontier Airlines: base ~USD -106 + fees USD 175 = ~USD 69 total. Southwest: base ~USD 69 + fees USD 45 = ~USD 114 total.
Frontier Airlines's USD 175 ancillary fees narrow the gap with Southwest's lower-fee model — the USD 175 base difference shrinks to USD 45 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 Diego?
6 airlines flew Phoenix to San Diego 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 Airlines | 1 | — | 69 | 175 (254%) |
 Southwest | 1 | — | 114 | 45 (39%) |
 Alaska | 3 | — | 114 | 45 (39%) |
 American Airlines | 10 | 113–228 | 186 | 53 (28%) |
 Southwest Airlines | 19 | 113–223 | 219 | 0 (0%) |
 Alaska Airlines | 3 | — | 239 | 45 (19%) |
Where do the best Phoenix → San Diego 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 Diego flights
- Full-service carriers on Phoenix–San Diego cost 1.3x more than budget airlines (USD 180 vs USD 134 median; overall median USD 148).
- F9 charges 3.9x more in ancillary fees than AS — USD 175 vs USD 45 avg per booking.
- The same route priced USD 111 apart depending on where it was booked — the lowest median was USD 113. 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 Diego cost?
- Based on 37 offers analyzed, Phoenix to San Diego flights range from USD 69 to USD 259, with a median price of USD 148. Search for your specific dates →
- What hidden fees should I expect on Phoenix to San Diego flights?
- On average, ancillary fees (bags, seat selection) add USD 27 to the base fare on Phoenix to San Diego flights. See itemized fees for your itinerary →
- Which airline is cheapest on Phoenix to San Diego including all fees?
- Frontier Airlines has the lowest median fare on Phoenix to San Diego at USD 69 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Phoenix–San Diego 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 113. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Phoenix to San Diego routes?
- Phoenix to San Diego has 6 airlines competing, creating a price range from USD 69 to USD 259 across 37 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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