$219 Cheap United flights San Francisco (SFO) to Pittsburgh (PIT)

Scoring cheap one-way United Airlines flights from SFO to PIT from $219 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $284 for your next break.**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 get cheap fares on United Airlines flights from San Francisco Intl. Airport (SFO) to Pittsburgh Intl. Airport (PIT). 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 reduce 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 right, and you can enjoy significant savings on domestic trips.*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.

Taking off from SFO at 8:50AM UTC-8, the first United Airlines flight to PIT lands at 4:44PM UTC-5. Traveling earlier in the day means you're less likely to encounter delays.* Prefer to travel later? The last United Airlines flight from SFO to PIT departs at 8:50AM UTC-8 and touches down at 4:44PM UTC-5.*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.

Offering a rewarding loyalty program, United Airlines is a top pick for many passengers flying from SFO to PIT. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could 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.