$156 Cheap Delta flights Idaho Falls (IDA) to St. George (SGU)

Finding cheap one-way Delta Air Lines flights from IDA to SGU from $156 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $238 for your next exciting 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.

Delta Air Lines flights to St. George are often more affordable in the low-season months of January and December. Whether you’re after a round-trip or one-way ticket, you could land a better deal then.

Begin your search one to three months before your departure to find cheap fares on Delta Air Lines flights from Idaho Falls Regional Airport (IDA) to St. George Airport (SGU). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut 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 the 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.

To figure out if there’s a direct trip from IDA to SGU with Delta Air Lines or another carrier, check the “Nonstop” box when browsing for tickets.

To find the earliest departures from IDA to SGU with Delta Air Lines, filter your results by “Morning” and “Early Morning.” Booking an early flight usually 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.

Take a Delta Air Lines flight from Idaho Falls Regional Airport (IDA) to St. George, and you’re most likely to touch down at St. George Airport (SGU). This is the airline’s primary hub in this destination.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many passengers flying from IDA to SGU. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For further information about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without additional costs, apply the “Changes included” and “No cancel fee” filters when organizing your next getaway.