Flights from Rapid City to Idaho

Flight deals from Rapid City to Idaho

Looking for cheap tickets from Rapid City to Idaho, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

How to find cheap flights from Rapid City to Idaho

Ready to join the other savvy travellers booking the cheapest one-way and return flights to Idaho? Here are a few tips to help you do it the smart way.

Fly from Rapid City Regional into Boise

At the moment, the lowest priced flight tickets to Idaho are from Rapid City Regional Airport to Boise Airport.

Fly in February

We crunched the flight calendar and found the cheapest time to fly from Rapid City to Idaho is currently February.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Rapid City to anywhere you choose in Idaho.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Rapid City to Idaho go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Idaho to Idaho flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Rapid City to Idaho flight price?

We looked at all of the upcoming return flights from Rapid City to Idaho we could find over the next 12 months. It looks like C$385 is the best price. This is good, compared to the average Idaho ticket price of C$651.

What is the cheapest month to fly from Rapid City to Idaho?

The cheapest month to fly from Rapid City to Idaho Falls Airport is currently March. The cheapest month to fly from Rapid City to Boise Airport is usually February. And the cheapest month to fly from Rapid City to Hailey Airport is usually September.

Which upcoming date is cheapest to fly from Rapid City to Idaho on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Rapid City to Idaho on Thursday, February 5, 2026.

Are there any direct flights from Rapid City to Idaho?

Currently, there aren't any direct flights from Rapid City to Idaho, but you can still fly with a stopover.

If I'm flying from Rapid City, where in Idaho is cheapest to fly into?

If you're flying from Rapid City, the cheapest city in Idaho to fly into is Boise. The cheapest airport serving Boise at the moment is Boise.