Phoenix / Mesa to Idaho Falls Flights on Allegiant from $62*
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Flights from Phoenix / Mesa to Idaho Falls
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Deals from Phoenix / Mesa to Idaho Falls
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Phoenix / Mesa (AZA) | Idaho Falls (IDA) | One-way / Economy | Departing: December 16 2025 | From $62 Seen: 8 hrs ago |
| Phoenix / Mesa (AZA) | Idaho Falls (IDA) | One-way / Economy | Departing: December 25 2025 | From $62 Seen: 6 minutes ago |
| Phoenix / Mesa (AZA) | Idaho Falls (IDA) | One-way / Economy | Departing: December 17 2025 | From $68 Seen: 8 hrs ago |
| Phoenix / Mesa (AZA) | Idaho Falls (IDA) | One-way / Economy | Departing: December 15 2025 | From $74 Seen: 1 day ago |
| Phoenix / Mesa (AZA) | Idaho Falls (IDA) | One-way / Economy | Departing: January 9 2026 | From $74 Seen: 8 hrs ago |
| Phoenix / Mesa (AZA) | Idaho Falls (IDA) | One-way / Economy | Departing: December 11 2025 | From $74 Seen: 2 hrs ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Flight Details
Departing From:
Phoenix-Mesa Gateway Airport (AZA)
Arriving To:
Idaho Falls Regional Airport (IDA)
Average Flight Time:
02 hours 05 minutes
Travel Tips
Bundles are packages of popular services with an added discount.
Select a bundle to:
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Save money!
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Benefits include free checked bag, carry on, etc. Click here to learn more.
Lock in the lowest price by adding your checked and carryon bags when you book your flight.
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About Idaho Falls
Idaho Falls Regional Airport is located two miles northwest from central business district of Idaho Falls, ID. Explore and get to know Idaho Falls by booking a car along with your flight. Allegiant offers exclusive discounts with Alamo, Enterprise and National when you rent a car with your flight to Idaho Falls.
Frequently Asked Questions
Yes, Allegiant provides in-flight service on every flight. For more details on the variety of snacks and drinks available on board flights for purchase, check out our In Flight Refreshments & Services page.
Yes, all Allegiant Air flights from Phoenix / Mesa to Idaho Falls are nonstop.
The day with the lowest fare can differ week to week. To find out what upcoming days have the lowest price to from fly Phoenix / Mesa to Idaho Falls, please check out our flight search tool, which makes finding our lowest fare a breeze.
You can make changes to your reservation from Phoenix / Mesa to Idaho Falls a breeze by clicking Manage Trips on our homepage. Fees and fare difference may apply.
Click Flight Status on our homepage to view the status of your upcoming flight from Phoenix / Mesa to Idaho Falls.
Yes you can book a rental car. Yes, rental car facilities are available in Idaho Falls. Allegiant offers exclusive discounts with Alamo, Enterprise and National when you book a car together with your flight from Phoenix / Mesa to Idaho Falls. Allegiant’s travel bundle makes flying a breeze.
