Route guide
Cheap Flights from Phoenix to San Diego: Book Airline Tickets
- Distance
- about 300 mi
- Typical flight time
- 45 min – 1 h 45 min
- Airports
- 1 × 1
- Time difference
- Varies by season
This page covers the practical side of flying between Phoenix and San Diego: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Phoenix to San Diego is about 300 miles (480 km) and a typical flight takes 45 min to 1 h 45 min. In winter, San Diego is 1 hour behind Phoenix; in summer, no time difference. The gap changes because of daylight saving time. Phoenix has 1 airport to compare and San Diego has 1.
Airport pairs to compare
Phoenix's main airport sits unusually close to the city center, which keeps the trip into town short. San Diego's airport is only a few miles from downtown, and it operates with a single runway.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| PHX to SAN | Phoenix Sky Harbor International | San Diego International |
About the airports
- PHX · Phoenix Sky Harbor International
Located only a few miles from downtown, with an automated train to light rail. - SAN · San Diego International
Only a few miles from downtown, with a single runway.
Airlines with a major base at either end
- At Phoenix: American Airlines, Southwest Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Phoenix
Winter and spring are the popular, milder seasons. Summer highs routinely top 100°F, which is why fares often soften then.
San Diego
The climate is mild year-round. Summer and holidays are busiest, and May and June often have morning cloud along the coast.
How long is Phoenix to San Diego?
At about 300 miles, Phoenix to San Diego is a short hop. On a route this short the trip to the airport, security and boarding can take as long as the flight itself, so compare total door-to-door time and pick the airport that is easiest for you to reach, not only the cheapest fare.
Time zones and timing
The clock difference between Phoenix and San Diego changes with daylight saving time, so check the local arrival time for your travel dates. Always confirm the arrival date and time on any itinerary.
Getting between the airport and town
Phoenix: The PHX Sky Train connects the terminals and the light rail, and ride-hail and rental cars are widely used.
San Diego: Downtown is a short taxi or ride-hail trip from the airport.
Planning ground transport too? See our car rental guide.
Good to know
- Spring training baseball in February and March lifts demand. Arizona does not observe daylight saving time, which affects time differences with other states.
- San Diego Comic-Con in July fills hotels and raises demand. On busy days, delays at the single-runway airport can ripple.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying San Diego to Phoenix?
This route guide works in both directions. For other trips, see all flights from Phoenix or all flights from San Diego.
Frequently asked questions
How far is Phoenix from San Diego?
The straight-line distance between the main airports is about 300 miles (480 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Phoenix to San Diego?
A typical scheduled flight takes roughly 45 min to 1 h 45 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Phoenix: PHX (Phoenix Sky Harbor International). At San Diego: SAN (San Diego International). Ask for prices on more than one pairing.
Is there a time difference?
In winter, San Diego is 1 hour behind Phoenix; in summer, no time difference. The gap changes because of daylight saving time.
When is the best time to fly from Phoenix to San Diego?
In Phoenix: Winter and spring are the popular, milder seasons. Summer highs routinely top 100°F, which is why fares often soften then. In San Diego: The climate is mild year-round. Summer and holidays are busiest, and May and June often have morning cloud along the coast. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Phoenix to San Diego?
Airlines with a major base at either end include American Airlines and Southwest Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.