San Diego to Idaho Falls Flights on Allegiant
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1 Passenger
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*Modifying this information may result in a different fare
Flight Details
Departing From:
San Diego International Airport (SAN)
Arriving To:
Idaho Falls Regional Airport (IDA)
Average Flight Time:
02 hours 16 minutes
Travel Tips
Bundles are packages of popular services with an added discount.
Select a bundle to:
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Streamline the booking experience
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Save time
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Save money!
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Click here for more information.
Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.
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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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By charging for carry-ons, we ensure there is space for everyone who needs it.
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This leads to speedier boarding. Click here to see your bag options.
To explore other Allegiant destinations, visit our route map. To earn 3X points on Allegiant purchases, learn more about our Allways Rewards Visa® card.
About Idaho Falls
Idaho Falls Regional Airport is located two miles northwest of the 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 San Diego 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 San Diego 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 San Diego 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 San Diego 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 San Diego to Idaho Falls. Allegiant’s travel bundle makes flying a breeze.
