Question 1

What is the cheapest airline to fly from Boise to Idaho Falls round-trip?

Accepted Answer

Our cheapest airline available from Boise to Idaho Falls is Delta. Our recent data shows that you can find tickets from as low as $336 on this airline.

Question 2

What is the cheapest month to book a flight from Boise to Idaho Falls?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Boise to Idaho Falls (average of $380). Flying from Boise to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

What is the cheapest day to fly from Boise to Idaho Falls?

Accepted Answer

Travelers seeking maximum savings on their Boise to Idaho Falls flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Question 6

What is the cheapest day to fly round-trip from Boise to Idaho Falls?

Accepted Answer

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Idaho Falls. Check prices with Cheapflights to find a great deal for your trip.

Question 7

What is the cheapest time of day to fly from BOI to IDA?

Accepted Answer

One of the essential ways to save on airfare from Boise to Idaho Falls is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 10% on airfare.

Question 8

Can I find deals for flights from Boise to Idaho Falls that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Boise to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 9

How can I find direct flights from Boise to Idaho Falls?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Idaho Falls.

Question 10

Can I find deals for business class flights from Boise to Idaho Falls?

Accepted Answer

Yes. Cheapflights offers flight deals from Boise to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find cheap flights from Boise to Idaho Falls with Cheapflights

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Best time to book a flight from Boise to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Boise with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boise to Idaho Falls

What is the cheapest time of day to fly from BOI to IDA?

Find hourly flight availability from Boise to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Reviews of airlines servicing Idaho Falls

See what other customers who have flown with Delta from Boise to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boise to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Boise to Idaho Falls round-trip?

Can I find deals for flights from Boise to Idaho Falls that include hotel bookings?

How can I find direct flights from Boise to Idaho Falls?

Can I find deals for business class flights from Boise to Idaho Falls?

What is the cheapest month to book a flight from Boise to Idaho Falls?

Traveling to a place near Idaho Falls?

Browse thousands of different options on Cheapflights for your next trip

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

Alternative routes for Boise to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Idaho Falls by cabin class

Find flights from Boise to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Idaho Falls

Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2025.

Boise and Idaho Falls flights

Browse other Boise and Idaho Falls flight options. Last updated on August 14, 2025.

Other flights from Boise

Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2025.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2025

Top airline flying from Boise to Idaho Falls

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Cheap flights from Boise to Idaho Falls (BOI - IDA)

Find cheap flights from Boise to Idaho Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Boise to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Boise with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boise to Idaho Falls

What is the cheapest time of day to fly from BOI to IDA?

Find hourly flight availability from Boise to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Reviews of airlines servicing Idaho Falls

See what other customers who have flown with Delta from Boise to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boise to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Boise to Idaho Falls round-trip?

Can I find deals for flights from Boise to Idaho Falls that include hotel bookings?

How can I find direct flights from Boise to Idaho Falls?

Can I find deals for business class flights from Boise to Idaho Falls?

What is the cheapest month to book a flight from Boise to Idaho Falls?

Traveling to a place near Idaho Falls?

Browse thousands of different options on Cheapflights for your next trip

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

Alternative routes for Boise to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boise to Idaho Falls

100% Free

Book with Flexibility

Travel Smart