Cheap flights from San Diego to Phoenix from $34

In general, October is the cheapest month to fly from San Diego to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $138. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of October, then departing from San Diego during the month December is also very affordable. Most momondo users find prices during this month for around $142.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from San Diego is on a Thursday. momondo users have found tickets for Thursday departures for as low as $280. 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 $367. 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 Diego to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $226. 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 $339. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $173 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 Diego for as low as $117 on momondo.

There are 4 cabin classes available to choose from on San Diego to Phoenix Sky Harbor Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Frontier, and Alaska Airlines are the most popular carriers operating from San Diego to Phoenix Sky Harbor Intl

Frontier, Southwest and American Airlines are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from San Diego 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 6 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between San Diego and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

As of September 2026, there are 12 flights per day flying from San Diego to Phoenix Sky Harbor Intl Airport. The most common time of day flights depart is 6:00AM, with 47% of flights taking off in the afternoon.

As of September 2026, 88 flights take off from San Diego and land in Phoenix Sky Harbor Intl Airport each week. The most common flight departure day for this route is Tue, with 26% of weekly flights taking off on this day.