Cheap flights from San Diego from $51

Our data suggests that currently, the cheapest flights from San Diego are being offered by Alaska Airlines, American Airlines, and Air Canada. For example, Alaska Airlines flights from San Diego to Las Vegas, start at $41, American Airlines flights from San Diego to Phoenix Sky Harbor Intl Airport cost around $45, and Air Canada flights from San Diego to Calgary are around $74.

Currently, the cheapest flight from San Diego found by our users is for $54 to Phoenix Sky Harbor Intl Airport. Prices will vary according to several factors such as the departure date and time, but on average you can expect to pay around $1,282 to travel from San Diego to Phoenix Sky Harbor Intl Airport.

San Francisco, Chicago and Chicago O'Hare Intl Airport are currently the destinations served most frequently from San Diego, with 76, 53 and 50 flights per day on average, respectively.

Airlines including American Airlines, British Airways and Alaska Airlines frequently fly from San Diego. You can view other airlines by performing a quick search in the form above.

If you are looking for a cheap first class flight, consider flights to San Francisco, for which the starting price of a first class seat can be as low as $337.

Prices for flights from San Diego Airport refresh daily.

As of July 2026, there are 56 operators available to choose from for flights from San Diego Airport.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Diego Airport.

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.