Cheap flights from Oklahoma to Illinois from $58
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oklahoma to Illinois departing on 7/17. 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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How to get the cheapest flight ticket from Oklahoma 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 Oklahoma is in February. Flight prices, which tend to average around $323, 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 February, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $338.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Oklahoma to Illinois is on a Thursday when prices can be found for as low as $573. Flights from Oklahoma to Illinois on a Sunday will generally be more expensive and average around $815. 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 morning. Flights from Oklahoma to Illinois during this time can be as low as $536. Flights at noon are often more expensive with an average ticket price of $1,006.
What is the cheapest Oklahoma to Illinois flight route?
Fly from Tulsa to Chicago Midway for the best Oklahoma - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Oklahoma when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $360 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Oklahoma for as low as $294 on momondo.
What cabin class options are available on Oklahoma to Illinois flights?
There are 4 cabin classes available to choose from on Oklahoma to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Oklahoma to Illinois?
Spirit Airlines, American Airlines, and Frontier are the most popular carriers operating from Oklahoma to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Oklahoma according to our data. American Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 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 Oklahoma to Illinois on average per day?
As of June 2025, there are 199 flights per day flying from Oklahoma to Illinois. The most common time of day flights depart is 10:00AM, with 45% of flights taking off at noon.
How many flights depart from Oklahoma to Illinois on average per week?
As of June 2025, there are 1,397 flights per week flying from Oklahoma to Illinois. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.
Cheap Oklahoma to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Oklahoma to Illinois
When did momondo last update prices for flights from Oklahoma to Illinois?
Prices for flights from Oklahoma to Illinois refresh daily.
How many operators does momondo search for flights from Oklahoma to Illinois?
There are 6 operators available for flights from Oklahoma to Illinois as of June 2025.
How old do you have to be to fly from Oklahoma to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Oklahoma to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Oklahoma to Illinois is Embraer 175 (Enhanced Winglets), representing 19.86% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 16.96%, Canadair (Bombardier) Regional Jet 700 at 13.60%, and Embraer 175 at 13.43%.
Best airlines flying from Oklahoma to Illinois
Compare and see reviews for airlines that fly from Oklahoma to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $118 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $278 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Oklahoma to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oklahoma to Illinois for you.
Can I find flights from Oklahoma to Illinois with flexible booking policies on momondo?
momondo does allow users to show only those flights to Illinois from Oklahoma which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Oklahoma to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oklahoma to Illinois.
I’m not ready to book a flight from Oklahoma to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Oklahoma are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.