Travelers have found it’s best to book a flight 22 days in advance to save up to 244% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Billings to Chicago Greater Rockford Airport 1-2 weeks in advance for as low as $653, or $784 for flights within the next 24 hours.
January can be a great time to fly to Chicago Greater Rockford Airport from Billings with a flight ticket averaging about $640. Cheapflights users have found deals in the month of January for as cheap as $381. The most expensive prices can be found in the month of October.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Billings to Chicago Greater Rockford Airport as you normally would.
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