Cheap flights from Phoenix to San Diego
Fares from $20 in December 2026. Compare every month below, then book with the site you like.
Search Phoenix → San Diego flightsCheapest Phoenix to San Diego fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 13 · one way · Frontier · Direct$78See deal
- December 2026Dec 5 · one way · Frontier · Direct$20See deal
Phoenix to San Diego at a glance
- Distance304 miles
- Nonstop flight timeabout 1h 15m
- Cheapest monthDecember 2026
- Airport codesPHX → SAN
Plan your San Diego trip
Cheap hotels in San DiegoCheap car rental in San DiegoThings to do in San DiegoFlights from San Diego to Phoenix
Frequently asked questions
- How much is a flight from Phoenix to San Diego?
- The cheapest fare we found recently is $20 per person, departing Dec 5 on Frontier. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from Phoenix to San Diego?
- December 2026 is currently the cheapest month, from $20. November 2026 is the most expensive, from $78.
- Are there direct flights from Phoenix to San Diego?
- Yes. Recent searches found nonstop fares from $20.
- Which airlines fly from Phoenix to San Diego?
- The cheapest recent fares on this route were on Frontier.
- How long is the flight from Phoenix to San Diego?
- Phoenix and San Diego are about 304 miles apart, so a nonstop flight takes roughly 1h 15m. Flights with a stop take longer, depending on the connection.
- How do I find the cheapest flight from Phoenix to San Diego?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
More flights from Phoenix
- Phoenix to New York
- Phoenix to Los Angeles
- Phoenix to Chicago
- Phoenix to Miami
- Phoenix to Orlando
- Phoenix to Las Vegas
- Phoenix to San Francisco
- Phoenix to Washington, D.C.
- Phoenix to Boston
- Phoenix to Atlanta
- Phoenix to Dallas
- Phoenix to Houston