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Find cheap one-way flights from Phoenix to San Diego starting at US$9.

Book one-way or return flights from Phoenix to San Diego from as little as US$9. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Phoenix to San Diego?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Phoenix to San Diego

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$9
Spirit Airlines
From US$36
Southwest Airlines
From US$55
American Airlines
From US$69
Delta Air Lines
From US$86
United Airlines
From US$98
Alaska Airlines
From US$148
ANA airlines

Find more flights and airlines

Find cheap flights from Phoenix to San Diego by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Phoenix to San Diego.

  • Cheapest
    Frontier Airlines
    PHX
    14:01
    1h 16m
    Direct
    SAN
    15:17
    Sky Harbor International Airport - San Diego International Airport
    Wed, Apr 10Frontier Airlines
    US$9
  • Frontier Airlines
    PHX
    14:01
    1h 16m
    Direct
    SAN
    15:17
    Sky Harbor International Airport - San Diego International Airport
    Wed, Apr 10Frontier Airlines
    US$9
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Phoenix (PHX) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from Phoenix to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Phoenix (PHX) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around $221.
  • How long does it take to fly from Phoenix (PHX) to San Diego (SAN) and what is the distance?

    It takes around 1 hour 14 minutes to fly from Phoenix (PHX) to San Diego (SAN).
  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from Phoenix (PHX) to San Diego (SAN)?

    Airlines with flights from Phoenix (PHX) to San Diego (SAN): Southwest Airlines, British Airways, American Airlines, Volaris and Japan Airlines.

Phoenix to San Diego Flight Information

Cheapest nonstop flight price

$8

Cheapest round-trip ticket price

$37

Off-season for travel

January

Peak season for travel

June