$166 Cheap United flights Tulsa (TUL) to Idaho Falls (IDA)

Scoring cheap one-way United Airlines flights from TUL to IDA from $166 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $270 for your next exciting adventure.**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 United Airlines fares from Tulsa Intl. Airport (TUL) to Idaho Falls Regional Airport (IDA), start searching one to three months before your intended 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 influence the overall price. Sunday is generally 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.

Find United Airlines's earliest flights from TUL to IDA by checking the "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be 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.

A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to depart from TUL to IDA with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.