$59 Cheap Frontier Airlines flights Phoenix (PHX) to San Diego (SAN)

View $59 flight on Mon, Sep 15, 2025Opens in a new window

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$59 Cheap Frontier Airlines flights Phoenix (PHX) to San Diego (SAN)

Prices were available within the past 7 days and start at $59 for one-way flights and $113 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Sep 10 - Mon, Sep 15
PHX
Phoenix
SAN
San Diego
$113 Roundtrip, found 6 hours ago
$113
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Wed, Sep 10 from Phoenix to San Diego, returning Mon, Sep 15, priced at $113 found 6 hours ago
Frontier Airlines
Thu, Sep 11 - Mon, Sep 15
PHX
Phoenix
SAN
San Diego
$118 Roundtrip, found 2 hours ago
$118
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 11 from Phoenix to San Diego, returning Mon, Sep 15, priced at $118 found 2 hours ago
Frontier Airlines
Sat, Aug 23 - Wed, Aug 27
PHX
Phoenix
SAN
San Diego
$120 Roundtrip, found 2 hours ago
$120
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Aug 23 from Phoenix to San Diego, returning Wed, Aug 27, priced at $120 found 2 hours ago
Frontier Airlines
Thu, Nov 20 - Sun, Nov 23
PHX
Phoenix
SAN
San Diego
$124 Roundtrip, found 1 day ago
$124
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Nov 20 from Phoenix to San Diego, returning Sun, Nov 23, priced at $124 found 1 day ago
Frontier Airlines
Mon, Oct 13 - Thu, Oct 16
PHX
Phoenix
SAN
San Diego
$125 Roundtrip, just found
$125
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 13 from Phoenix to San Diego, returning Thu, Oct 16, priced at $125 just found
Frontier Airlines
Thu, Oct 23 - Fri, Oct 24
PHX
Phoenix
SAN
San Diego
$132 Roundtrip, found 2 hours ago
$132
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Phoenix to San Diego, returning Fri, Oct 24, priced at $132 found 2 hours ago
Flights from Phoenix (PHX) to San Diego (SAN)
Origin airport
Sky Harbor Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
304 mi
Average flight time
1 hour 10 mins

Frequently asked questions

How much is a Frontier Airlines flight from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
Scoring cheap one-way Frontier Airlines flights from PHX to SAN from $59 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $113 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHX to SAN with Frontier Airlines?
Search for one-way or round-trip flights to San Diego in January or November. You could find a cheap fare with Frontier Airlines during these off-season months.
What is the cheapest time to book flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) with Frontier Airlines?
Search for affordable Frontier Airlines flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
Frontier Airlines offers direct flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN), with 13 departures each week. Simply choose the "Nonstop" and "Airline" filters while searching on Expedia to find all direct Frontier Airlines flights to SAN.
How long does it take to fly from PHX to SAN with Frontier Airlines?
It takes around 1h 21m to travel nonstop from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) with Frontier Airlines.
Which day of the week has the most Frontier Airlines flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
Saturday has the most Frontier Airlines flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN). With 3 daily departures, this is a great day to book something that will suit your schedule.
What is the earliest Frontier Airlines flight from PHX to SAN?
Leaving PHX at 7:25AM UTC-7, the first Frontier Airlines flight to SAN lands at 7:45AM UTC-8. Flying earlier in the day means you're less likely to encounter delays.* Prefer to travel later? The last Frontier Airlines flight from PHX to SAN departs at 8:39PM UTC-7 and touches down at 9:02PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in San Diego?
Frontier Airlines flights from Sky Harbor Intl. Airport (PHX) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main entry point to this destination.
Why fly with Frontier Airlines from PHX to SAN?
Depart from PHX to SAN with Frontier Airlines and you can look forward to a host of benefits including a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Frontier Airlines fly from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
You'll likely board an Airbus A320neo or an Airbus A321neo when flying Frontier Airlines from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN). However, keep in mind that a different plane may be assigned due to operational requirements.
Can I change or cancel my Frontier Airlines flight from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
It's generally possible to modify or cancel your flight, although there may be a charge if your booking was made over 24 hours ago. Prefer to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to adjust your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.
*Available to One Key members.