$208 Cheap United flights San Luis Obispo (SBP) to Denver (DEN)

Finding cheap one-way United Airlines flights from SBP to DEN from $208 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $229 for your next getaway.**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.

Search for cheap United Airlines flights from San Luis Obispo County Regional Airport (SBP) to Denver Intl. Airport (DEN) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 SBP at 5:00AM UTC-8, the first United Airlines flight to DEN lands at 8:33AM UTC-7. Flying early means you're less likely to encounter cancellations or delays.* Prefer to travel later? The last United Airlines flight from SBP to DEN departs at 12:52PM UTC-8 and touches down at 4:35PM UTC-7.*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.

A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to travel from SBP to DEN with United Airlines. Plus, by joining Expedia's free One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.