Due to multiple factors, expect to potentially pay more when booking in March. For low rates, August can be a great choice for travel to Tulsa. Flights to Tulsa from Illinois in August are about $272 on average during August, but can be found for as low as $88.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Tulsa as you normally would.
To save on the cost of your flight from Illinois to Tulsa, book at least 61 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $314 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $390.