Find cheap airlines flights from Phoenix to San Diego

You can choose from 3 airlines that fly from Phoenix to San Diego, including Frontier Airlines, Alaska Airlines, and American Airlines. Frontier Airlines has lowest fares on this route.
Frontier Airlines logo Frontier Airlines
Alaska Airlines logo Alaska Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Phoenix to San Diego according to previous 12 months data from Trip.com.

Book direct flights from Phoenix to San Diego: One way flights from $24, round trip flights from $38. Find flight deals for the next 3 months below.

Displayed flight fares from Phoenix to San Diego are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Phoenix to San Diego

The distance between Phoenix and San Diego is approximately 486.03 km. It takes around 1 hour 17 minutes on average to fly from Phoenix to San Diego. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$24
Cheapest round-trip ticket price$38
Off-season for travelNovember
Peak season for travelJuly
Flight distance486.03 km
Average flight time1 hour 17 minutes
Popular airlineFrontier Airlines
Flight statistics for the Phoenix–San Diego route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Phoenix to San Diego

Which month has the cheapest one-way flights from Phoenix to San Diego?

The average price of one-way flights from Phoenix to San Diego purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Phoenix to San Diego is October, with an average price of $64; while the month with the highest flight price is usually August, with an average price of up to $153.

$153
$109
$64
$20
    Cheapest
  • $142
    Jun
  • $118
    Jul
  • $153
    Aug
  • $102
    Sep
  • $64
    Oct
  • $103
    Nov
  • $74
    Dec
  • $98
    Jan
  • $91
    Feb
  • $104
    Mar
  • $113
    Apr
  • $93
    May

When is the cheapest day to fly from Phoenix to San Diego during Juneteenth National Independence Day?

Data is based on the lowest one-way price from Phoenix to San Diego during Juneteenth National Independence Day on Trip.com in the past 3 days.

Juneteenth National Independence Day is scheduled for Jun 19. The cheapest flights from Phoenix to San Diego are available on Jun 20, with fares starting at $84.

$110
$97
$84
$71
    Cheapest
  • $100
    16
    Jun
  • $102
    17
  • $110
    18
  • $109
    19
  • $84
    20
  • $85
    21

Frequently Asked Questions

  • What are the cheapest flights from Phoenix to San Diego (PHX-SAN)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $24 on Cheapest nonstop routes (e.g. PHX to SAN on Thu, Jul 9), while Frontier Airlines offers Cheapest nonstop round-trips from $38 departing on Mon, Jul 20 and returning on Mon, Jul 27.
  • At the moment, you can catch a nonstop flight from Phoenix to San Diego with the following airlines, including: Frontier Airlines Alaska Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 1 hour 17 minutes to fly from Phoenix (PHX) to San Diego (SAN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phoenix to San Diego is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 86 flight per week flying from Phoenix to San Diego. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS3060 (20:14) American Airlines: S/M/T/W/T/F/S -- AA2461 (08:04)
  • To find best deals on flights from Phoenix to San Diego, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jul 9, with one-way flights priced at just $24.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Diego travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Phoenix to San Diego is November, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Phoenix to San Diego on June 16, 2026 with Frontier Airlines, with prices starting at $38.
  • You can land at any one of the following hubs in San Diego, with Phoenix Sky Harbor International Airport to San Diego International Airport (PHX-SAN) is by far the most common option on this route: San Diego International Airport (SAN) McClellan-Palomar Airport (CLD) Marine Corps Air Station Miramar (NKX).
  • The time difference between San Diego and Phoenix is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.