The airport code for San Diego International is SAN.
A flight comparison site such as Hipmunk is recommended to get an idea of the prices on several airlines (most sites don’t include Southwest Airlines, by the way). You can also set up a fare alert from Airfare Watchdog, which will let you know when there’s a good fare to San Diego.
Use promotion code 3844BS to receive 5% off the listed price.
Reservations and ticketing are available via www.aa.com/group or by calling 1-800-433-1790.
Use promotion code NMHDD to receive 2 – 10% off the listed price.
Reservations and ticketing is available via www.delta.com. When booking online, select Book A Trip, click on More Search Options and enter the meeting code in the box provided on the Search Flight page.
Reservations may also be made by calling* Delta Meeting reservations at 1-800-328-1111 Monday – Friday 7 a.m. – 7 p.m. CDT.
*Please note that there is a direct ticketing fee for booking through the reservation number above.