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Frequently Asked Questions

Here are the most frequently asked questions at San Diego International Airport. If you have a question not answered here — or throughout our web site — please contact us. We look forward to serving you.

San Diego International Airport (SAN) is open twenty-four hours a day; however, departures only occur without penalty between 6:30 a.m. and 11:30 p.m. Each airline has its own operating hours, but typically ticket counters are staffed by 4:30 a.m. for check-in. For specific check-in information, please contact the airline you are flying directly.

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Where are the nearest mailboxes at San Diego International Airport?

All three mailboxes at the airport are located curbside (outdoors). Mailboxes can be found in front of the Commuter Terminal, at Terminal 1 at the Airport Loop, and at Terminal 2 near American Airlines curbside check-in.

Ground Transportation

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