San Diego Airport (SAN) Terminal Map

San Diego International Airport has three passenger terminals – Terminals 1 & 2 are next to each other and are connected by a walkway, while the Commuter Terminal is next to the Air Cargo Building.

Getting around at SAN:   1. All three Terminals are served, at their curbside bus stops, by accessible & free Red Bus shuttles running every 10 minutes. 
2. Outside Terminal 1 is a  Skybridge to parking and ground transportation, the Red Shuttle Bus stop, the City Bus stop, Ground Transportation Plaza, passenger pick-up / drop-off and valet parking. 
3. Outside the Commuter Terminal is the City Bus stop and the free Airport Loop bus stop.  4. Domestic arrivals can transfer between East & West Wings of T1 or T2.

International Arrivals: International Arrivals are at Terminal 2.  Unless you have gone through US border clearance at participating airports in Canada and the Caribbean, you need to go through passport check, retrieve checked bags, go through customs clearance and - if transferring to another flight - re-check-in bag (the tag should indicate layover and final destination Airport Codes).

Paging Someone: Visual paging monitors are available throughout the terminals - use any of the wite courtesy phones or call from outside the Airport: 619-400-2900.

Terminal 1 of San Diego Airport serves Alaska, Southwest & United airlines. Its gate areas are composed of an East Wing with gates 1 - 10 (gates 2, 1 & 1A are beyond the Southwest ticketing & checkin areas) serving Southwest airlines,  and a  West Wing with gates 11-18 serving  United & Alaska airlines.
A Skybridge leads to parking & ground transportation. In the center is the baggage claim area, and to the left the Alaska & United ticketing & check-in area.
Amenities inside the terminal include restaurants & stores, US Customs, currency exchange, Information booth, ATM machine, the United Red Carpet Room near Gate 11, and the USO lounge at the far left end of the terminal. 

Terminal 2 of San Diego Airport, served major airlines, is presently undergoing extensive renovations until summer 2013, adding 6 new jet gates, renovating existing gates, add more shopping & dining options, a duty-free shop (completed), and a dual-level roadway with curbside check-in kiosks. 
T2 consists of two buildings with separate gateways - Terminal 2 East & Terminal 2 West (or T2E, T2W), but the east & west parts of the terminal connect at various points.  The recent removal of the T2 East pedestrian bridge made way for constructing a new dual-level roadway, relieving curbside congestion. Two new pedestian sky bridges will connect the dual-level roadway to the terminal.

Terminal 2 West presently serves United, Delta, JetBlue, Sun Country & US Airways, who share the ticket counters and gates 33 through 41. It has a baggage claim level and a ticketing level with security check and gateway to gates. The Delta Crown Room is between gates 37 & 38 (tel. 800-221-1212).  A new duty-free shop is near the international gates 21/ 22.
Passenger pickup / drop-off and valet parking are in front of the West part. (The skybridge to parking and ground transportation is presently closed.)  Transportation is in front of the West part (Airport Loop, City Bus, taxis). 
NOTE:  Under 'Green Build' project, T2 West has already opened its new expanded security checkpoint, and up to 12 lanes can now be opened for peak travel periods.   Six new gates offer seating with outlets, water-bottle refilling stations and new terrazzo flooring.

Terminal 2 East  serves presently (at separate check-in counters) Air Canada, American, British, Frontier & Virgin America - and -  Allegiant, Hawaiian, Spirit, Volaris & WestJet, at gates 20 through 32; gates 20 & 21 being internatioal gates.. A USO Center is on the ground level (619-296-3192), reached by Skybridge. The American Airlines Admirals Club (tel. 800-237-7971) is at post-security, to the left near Gate 23, as well as a foreign exchange service, and an ATM machine.
.The ground level at T2 East is for international arrivals

The small Commuter Terminal at Diego International Airport serves presently only flights to/from Los Angeles (LAX) by American Eagle, Delta Connection, SkyWest & United Express. It is located  on N. Harbor Drive, accessible from either Stillwater Road or Winship Lane.   The terminal has a baggage claim, airline check-in counters, food & drinkin the secured area, an ATM machine, gift shop and restaurant. You can catch both the City Bus and the free Airport Loop Bus outside of it.