Cheap flights from Rapid City to Illinois from $143
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Illinois departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Rapid City to Illinois
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How to get the cheapest flight ticket from Rapid City to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Rapid City is in September. Flight prices, which tend to average around $298, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $301.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Rapid City to Illinois is on a Tuesday when prices can be found for as low as $437. Flights from Rapid City to Illinois on a Monday will generally be more expensive and average around $678. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Rapid City to Illinois during this time can be as low as $380. Flights in the morning are often more expensive with an average ticket price of $557.
What is the cheapest Rapid City to Illinois flight route?
Fly from Rapid City to Chicago O'Hare Intl for the best Rapid City - Illinois flight prices
What is the cheapest airline that flies from Rapid City to Illinois?
American Airlines, Delta, and United Airlines are the most popular carriers operating from Rapid City to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Illinois from Rapid City according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Rapid City to Illinois on average per day?
As of April 2025, there are 3 flights per day flying from Rapid City to Illinois. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.
How many flights depart from Rapid City to Illinois on average per week?
21 flights are operational weekly from Rapid City to Illinois as of April 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
Cheap Rapid City to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rapid City to Illinois
Best Price Found | $143 |
|---|---|
Fastest flight time | 2h 13m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Illinois | 3 airports |
When did momondo last update prices for flights from Rapid City Airport to Illinois?
Prices for flights from Rapid City Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Rapid City Airport to Illinois?
As of April 2025, there are 3 operators available to choose from for flights from Rapid City Airport to Illinois.
How old do you have to be to fly from Rapid City Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Rapid City to Illinois?
Based on momondo bookings for flights between Rapid City and Illinois, the leading plane model is Embraer 175 (Enhanced Winglets), making up 33.80% of the total bookings. Other popular models include Embraer 175 with 23.24%, Airbus A319 with 13.38%, and Airbus A320-100/200 with 10.56%.
Best airlines flying from Rapid City to Illinois
Compare and see reviews for airlines that fly from Rapid City to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $189 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 7.4 8,694 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 8.0 7,927 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Rapid City to Illinois?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Rapid City.
Can I find flights from Rapid City to Illinois with flexible booking policies on momondo?
momondo does allow users to show only those flights to Illinois from Rapid City which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Rapid City to Illinois?
Once all potential Rapid City to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Rapid City to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Rapid City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.