Travelers have found it’s best to book a flight 48 days in advance to save up to 20% 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 48 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 Chicago-O'Hare Intl to Brazil 1-2 weeks in advance for as low as $1,011, or $1,016 for flights within the next 24 hours.
August can be a great time to fly to Brazil from Chicago-O'Hare Intl with a flight ticket averaging about $793. Cheapflights users have found deals in the month of August for as cheap as $652. The most expensive prices can be found in the month of December.