$157 Cheap Delta flights Portland (PDX) to Sun Valley (SUN)

You can discover affordable round-trip Delta Air Lines flights from $308 from PDX to SUN by organizing your results from “Price (lowest to highest)” on Expedia. Or search for options from $157 for a one-way journey.**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 round-trip or one-way flights to Sun Valley in November or April. You could find lower fares with Delta Air Lines during these off-peak travel months.

Look for affordable Delta Air Lines flights from Portland Intl. Airport (PDX) to Friedman Memorial Airport (SUN) one to three months prior to your 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. Regardless of fare class and itinerary, the best day of the week to book a domestic flight is generally 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.

To figure out if there’s a direct trip from PDX to SUN with Delta Air Lines or any other airlines, use our “Nonstop” filter when browsing for flights.

Search Delta Air Lines’s earliest flights from PDX to SUN by selecting the “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**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.

Delta Air Lines flights from Portland Intl. Airport (PDX) to Sun Valley come in to land at Friedman Memorial Airport (SUN). This is the main gateway to this city.

Jetting off from PDX to SUN with Delta Air Lines comes with a range of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend 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.

Typically, you can cancel or change your flight, although there may be additional fees if your booking was made over 24 hours ago. Want to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you have to alter your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more information.