Cheap Flights from Rapid City Regional Airport to Illinois from HK$1,777 Return

Flight deals from Rapid City Regional Airport to Illinois

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

Chicago.HK$1,777 per passenger.Departing Sun, 9 Nov, returning Sun, 16 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Rapid City Regional on Sun, 9 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Sun, 16 Nov, arriving in Rapid City Regional.Price includes taxes and charges.From HK$1,777, select.

Peoria.HK$2,311 per passenger.Departing Fri, 17 Oct, returning Tue, 21 Oct.Return flight with United.Outbound indirect flight with United, departs from Rapid City Regional on Fri, 17 Oct, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Tue, 21 Oct, arriving in Rapid City Regional.Price includes taxes and charges.From HK$2,311, select.

Moline.HK$3,738 per passenger.Departing Sun, 19 Oct, returning Thu, 23 Oct.Return flight with United.Outbound indirect flight with United, departs from Rapid City Regional on Sun, 19 Oct, arriving in Moline.Inbound indirect flight with United, departs from Moline on Thu, 23 Oct, arriving in Rapid City Regional.Price includes taxes and charges.From HK$3,738, select.

See more deals

Flying from Rapid City Regional Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	HK$1,777
Cheapest month to fly	November
Average flight time	2 hrs, 25 mins
Average flights per week	94
Most popular airline	Envoy Air

How to find cheap flights from Rapid City Regional Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Rapid City Regional Airport to Illinois. Other savvy travellers recently found return flights from HK$1,777 and one-way tickets from HK$1,271. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in November

The cheapest time to fly from Rapid City Regional Airport to Illinois is currently November.

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 Regional Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Rapid City Regional Airport to your chosen airport in Illinois 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 Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Rapid City Regional Airport to Illinois?

Yes - direct flights currently operate from Rapid City Regional Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from Rapid City Regional Airport to Illinois?

We looked at all of the upcoming return flights from Rapid City Regional Airport to Illinois we could find over the next 12 months. It looks like HK$1,777 is the best price. This is good, compared to the average Illinois ticket price of HK$2,609.

What is the cheapest month to fly from Rapid City Regional Airport to Illinois?

The cheapest month to fly from Rapid City Regional Airport to Greater Peoria Airport is currently October.
The cheapest month to fly from Rapid City Regional Airport to Moline Airport is currently October.
And the cheapest month to fly from Rapid City Regional Airport to Chicago O'Hare International Airport is usually November.

Which upcoming date is cheapest to fly from Rapid City Regional Airport to Illinois on?

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 Sunday, 9 November 2025.

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

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.