$50 Cheap United flights San Francisco (SFO) to Orange County (SNA)

Grab affordable return United Airlines flights from $92 from SFO to SNA by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $50 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Start searching one to three months ahead of your travel date to score cheaper fares on United Airlines flights from San Francisco Intl. Airport (SFO) to John Wayne Airport (SNA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest United Airlines flight from SFO to SNA takes off at 7:20AM UTC-8, arriving at 9:01AM UTC-8. If you'd like to jet off later, the last United Airlines flight leaves SFO at 7:10PM UTC-8 and touches down at SNA at 8:45PM UTC-8. Flying earlier is generally a good option as morning flights are least likely to face cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

With a rewarding loyalty program, United Airlines is a top pick for many passengers journeying from SFO to SNA. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.