Cheap flights from San Antonio to Phoenix from $29

In general, December is the cheapest month to fly from San Antonio to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $210. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of December, then departing from San Antonio during the month November is also very affordable. Most momondo users find prices during this month for around $247.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from San Antonio is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $360. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $405. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

At noon is the cheapest time of day to fly from San Antonio to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $339. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $390. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from San Antonio to Phoenix Sky Harbor Intl for the best San Antonio - Phoenix Sky Harbor Intl flight prices

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $299 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from San Antonio for as low as $222 on momondo.

There are 3 cabin classes available to choose from on San Antonio to Phoenix Sky Harbor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between San Antonio to Phoenix Sky Harbor Intl Airport.

As of March 2026, prices for San Antonio to Phoenix Sky Harbor Intl Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

Frontier is the most popular carrier operating from San Antonio to Phoenix Sky Harbor Intl

Frontier, American Airlines and Southwest are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from San Antonio according to our data. Frontier is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 5 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

The number of flights available between San Antonio and Phoenix Sky Harbor Intl Airport is 2 per day as of March 2026. The most frequent departure time is 2:00PM, with 39% of daily flights leaving at noon.

As of March 2026, 20 flights take off from San Antonio and land in Phoenix Sky Harbor Intl Airport each week. The most common flight departure day for this route is Wed, with 45% of weekly flights taking off on this day.