Find and compare Allegiant Air flights to Idaho Falls

1 adult
0 bags

Allegiant Air flights to Idaho Falls at a glance

Best Price Found

$92

Direct flights

None
The best one-way flight to Idaho Falls from United States in the past 72 hours is $92. The best round-trip flight deal from United States to Idaho Falls found on momondo in the last 72 hours is $95.
There are no direct flights from United States to Idaho Falls. There are no popular flight routes from United States to Idaho Falls.

Insights on Allegiant Air flights to Idaho Falls

Data designed to help you find the right flight

What cabin class options are available on United States to Idaho Falls Fanning Field flights?

There is only 1 cabin class available to choose from on United States to Idaho Falls Fanning Field flights.

What is the cheapest month to fly Economy Class to Idaho Falls?

In general, October is the cheapest month to fly Economy Class from United States to Idaho Falls. Due to it being the ‘off-season’ during this time, you can expect Economy Class flight prices to be around $99. If you aren’t able to travel during the month of October, then book Economy Class flights to Idaho Falls from United States during November instead. Economy Class flights to Idaho Falls in November, while not as cheap as those in October, still average around $100.

What is the cheapest United States to Idaho Falls Fanning Field flight route?

Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best United States - Idaho Falls Fanning Field flight prices

Can stopping save me money on United States to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between United States to Idaho Falls.

Frequently asked questions about flights to Idaho Falls with Allegiant Air

Is Allegiant Air generally cheaper than other airlines for flights to Idaho Falls?

Lots of factors influence the price of a flight, whether that's with Allegiant Air or other airlines so it is best to search and compare before booking. The airline flying to Idaho Falls with the cheapest average return price tends to be Allegiant Air.

Which other airlines fly to Idaho Falls?

Aside from Allegiant Air, Alaska Airlines, United Airlines and American Airlines also fly to Idaho Falls.

How much is a flight to Idaho Falls with Allegiant Air?

The average price for a return flight is $206; with a one-way flight around $182.

Which airport do Allegiant Air flights arrive at for Idaho Falls?

Flights from Allegiant Air on this route tend to land in Idaho Falls Fanning Field Airport.

Browse thousands of different options on momondo for your next trip

Toggle through the tabs below to find thousands of options on momondo for your next trip.