$234 Cheap Delta flights Salt Lake City (SLC) to Sun Valley (SUN)

Scoring cheap one-way Delta Air Lines flights from SLC to SUN from $234 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $219 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 Delta Air Lines flights from Salt Lake City Intl. Airport (SLC) to Friedman Memorial Airport (SUN) one to three months prior to your day of departure. 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 type and itinerary, the best day of the week 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.

The first flight from SLC to SUN with Delta Air Lines leaves at 11:00AM UTC-7. You'll land at 12:20PM UTC-7. The last Delta Air Lines flight of the day leaves at 9:25PM UTC-7 and arrives at 10:39PM UTC-7. With approximately 20% fewer cancellations for departures before midday, heading out early is generally the smartest choice.**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.

Heading from SLC to SUN with Delta Air Lines comes with a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.