$97 Find Cheap Flights from Oklahoma City to Chicago - Compare and Save

Among airlines operating Oklahoma City to Chicago flights:

• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Oklahoma City and Chicago. The airlines offering nonstop flights on this route include:

• American Airlines
• United Airlines
• Southwest

Flights from Oklahoma City to Chicago usually depart from Oklahoma City Will Rogers World (OKC) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Oklahoma City to Chicago:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $201 round-trip via Denver Intl (DEN), compared to $391 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Oklahoma City to Chicago most commonly connect through:

• Denver Intl (DEN) - 52% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 35% of one-stop connections
• Chicago O'Hare Intl (ORD) - 9% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 4% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

On the Oklahoma City to Chicago route, being flexible with your departure day can save you up to 25%. Saturday is the cheapest day at $357 round-trip on average, while Sunday is the most expensive at $472: a $115 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Oklahoma City to Chicago flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, evening flights for 20%, and night flights for 0%.

Some of the most popular sights in Chicago are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago on KAYAK.

These are the earliest and latest flight times available from Oklahoma City to Chicago:

• Earliest: departs at 5:00 am and lands at 7:20 am
• Latest: departs at 7:29 pm and lands at 9:49 pm.

The flight takes about 2h 20m.

Last-minute fares on this route - booked within 2 weeks of departure - run 58% above the route average of $384. Book 18 weeks before departure for the lowest fares.

A nonstop flight from Oklahoma City to Chicago takes 2h 20m, covering 699 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $258 to $1,492. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Oklahoma City to Chicago are currently lower than usual. Average one-way flight prices are about $126, which is 53% below the typical average for this route.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 5h 20m, compared with 7h 29m via Atlanta Hartsfield-Jackson (ATL) and 10h 41m via Las Vegas Harry Reid Intl (LAS).

Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Chicago O'Hare Intl Airport (ORD) — daily rates from around $17:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Near Chicago Midway Airport (MDW) — daily rates from around $32:

• Hertz
• Dollar
• Budget
• Alamo
• Rent-A-Wreck

Near Chicago Greater Rockford Airport (RFD) — daily rates from around $30:

• Alamo
• Enterprise Rent-A-Car
• Budget
• Avis
• National

Round-trip flights from Oklahoma City to Chicago range from $319 to $507, with an average of $384 over the past 12 months. Anything below $319 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Oklahoma City to Chicago flights:

• • American Airlines
• • JetBlue