Flights from Rapid City Regional Airport to Illinois

Flight deals from Rapid City Regional Airport to Illinois

Looking for cheap flights from Rapid City Regional Airport to Illinois, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.

Flying from Rapid City Regional Airport to Illinois

Arm yourself with these facts on the fly.
Cheapest flight foundAED 919
Cheapest month to flyMay
Average flight time2 hrs, 26 mins
Average flights per week65
Most popular airlineEnvoy Air

Frequently asked questions

Yes – direct flights currently operate from Rapid City Regional Airport to Chicago O'Hare International Airport in Illinois.
We looked at all of the upcoming round-trip flights from Rapid City Regional Airport to Illinois we could find over the next 12 months. It looks like AED 919 is the best price. This is good, compared to the average Illinois ticket price of AED 919.
The cheapest month to fly from Rapid City Regional Airport to Illinois is currently May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Rapid City Regional Airport to Illinois on Friday, May 22, 2026.
If you're flying from Rapid City Regional, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.
The average flight time between Rapid City Regional Airport and Illinois is 2 hours and 26 minutes.