To save up to 18% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Illinois to Saint Petersburg from $791 1-2 weeks out and tickets from $877 for flights departing within the next 72 hours.
Flights from Illinois to Saint Petersburg lean towards being more expensive in August. Prices are generally better when you fly from Illinois to Saint Petersburg in September, with the cheapest ticket starting at $599.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Saint Petersburg as you normally would.
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