$149 Cheap Delta flights Idaho Falls (IDA) to Spokane (GEG)

Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $297 from IDA to GEG. Affordable one-way fares from $149 are available as well.**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.

For cheap Delta Air Lines fares from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Sort your results by "Early Morning" and "Morning" to find the earliest flights from IDA to GEG. Heading off early means you're less likely to experience 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.

Taking off from IDA to GEG with Delta Air Lines comes with plenty of perks, including an excellent in-flight experience and a rewarding loyalty program. 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.