Cheap flights from San Diego to Tucson from $99

In general, September is the cheapest month to fly from San Diego to Tucson. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $284. If you don’t want to visit Tucson in September, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $291.

According to our data, Tuesday is the cheapest day to fly to Tucson from San Diego. The lowest ticket price found for a Tuesday departure recently was $287. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Tucson for around $409.

In the afternoon is the cheapest time of day to fly from San Diego to Tucson when you can find flight prices for as low as $341. Flying to Tucson in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $361.

Fly from San Diego to Tucson for the best San Diego - Tucson flight prices

You are more likely to see cheaper flights to Tucson from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Tucson for around $360 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tucson from San Diego for as low as $266 on momondo.

No. A direct flight is the cheapest option for a flight between San Diego to Tucson.

As of May 2026, prices for San Diego to Tucson flights are approximately 18% cheaper when compared to flights at the same time last year.

Delta and Southwest are the most popular carriers operating from San Diego to Tucson

American Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Tucson from San Diego according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Tucson. Keep in mind that there are 6 different airlines that fly to Tucson on a routine basis, so you have a few additional options to choose from.

The number of flights available between San Diego and Tucson is 1 per day as of May 2026. The most frequent departure time is 8:00AM, with 57% of daily flights leaving at noon.

As of May 2026, there are 10 flights per week flying from San Diego to Tucson. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.