By plane
Nearby McClellan-Palomar Airport IATA: CLD ICAO: KCRQ in Carlsbad has a few commuter flights to Los Angeles International Airport on SkyWest Airlines under the United Express banner. Vision Airlines also has service to North Las Vegas.
Most commercial passengers land at San Diego International Airport IATA: SAN (http://www.san.org/). Take San Diego Transit's Route 992 bus from the airport to the Santa Fe Depot and connect to the COASTER or the Amtrak Pacific Surfliner.
The next closest airport is John Wayne Airport IATA: SNA (http://www.ocair.com/) in Orange County. From Santa Ana, Tustin, or Irvine, take the Pacific Surfliner or the Metrolink Orange County Line.
For private pilots, Oceanside Airport ICAO: KOKB is located just north of town on Highway 76.
By Rail
Oceanside is well-connected by train. Amtrak's Pacific Surfliner (http://www.amtrak.com/ser...) travels south to San Diego and north to Los Angeles, Santa Barbara, and San Luis Obisbo, with several trains stopping in Oceanside each day.
Oceanside is also the northern terminus of the COASTER (http://www.gonctd.com/coa...) regional rail line to San Diego, and the southern terminus of Metrolink's (http://www.metrolinktrain...) Orange County Line which heads north through Orange County to Los Angeles. A new light rail line, the SPRINTER (http://www.gonctd.com/spr...), links Oceanside with Escondido to the east.
By car
Oceanside is located at the intersections of Interstate 5 and California State Highways 76 and 78.