Cheap flights from San Diego to Tucson from $104

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, Wednesday is the cheapest day to fly to Tucson from San Diego. The lowest ticket price found for a Wednesday departure recently was $283. 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 morning is the cheapest time of day to fly from San Diego to Tucson when you can find flight prices for as low as $340. Flying to Tucson in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $349.

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 $338 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 $239 on momondo.

There is only 1 cabin class available to choose from on San Diego to Tucson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 16% on your flight if you consider stops on a San Diego to Tucson flight.

As of March 2026, prices for San Diego to Tucson flights are approximately 42% 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 46% 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.