$34 Cheap Frontier Airlines flights Phoenix (PHX) to San Diego (SAN)

Scoring cheap one-way Frontier Airlines flights from PHX to SAN from $34 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $63 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.

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.

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.

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.

It takes around 1h 21m to travel nonstop from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) with Frontier Airlines.

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.

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.

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.

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.

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.

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.