Fly to San Diego with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.
Visit San Diego year-round for mild weather and plenty of events and activities. Winter is the best time to spot migrating whales off the coast, and spring is the perfect time to witness wildflowers in full bloom in the hills. Summer comes alive with many festivals, including the San Diego County Fair. You can visit San Diego or nearby cities when you fly to California on United.
San Diego (SAN)
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.