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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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Terminals

Ground Transportation

Flights & Airlines

How early do I need to check in for flights departing San Diego International Airport?

As a general rule, it is recommended to allow at least two hours for domestic travel, and three hours for international travel. For more specific guidance, please contact the airline directly. Click on Flights: Airlines.

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