Cheap flights from Chicago O'Hare Intl Airport to Brazil from $298

If you are unable to visit Brazil during the month of March, then departing from Chicago O'Hare Intl Airport during the month April is also very affordable. Most momondo users find prices during this month for around $739.

The cheapest day to depart from Chicago O'Hare Intl Airport to Brazil is on a Sunday. Travelers who choose to depart for Brazil on a Sunday will often find tickets for as low as $1,048. The most expensive day to fly to Brazil is Tuesday, with ticket prices averaging around $1,196.

Flying to Brazil from Chicago O'Hare Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,087 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Brazil is in the evening when prices are around $1,158.

Fly from Chicago O'Hare Intl to Sao Paulo Guarulhos Intl for the best Chicago O'Hare Intl - Brazil flight prices

You are more likely to see cheaper flights to Brazil from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brazil for around $890 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brazil from Chicago O'Hare Intl Airport for as low as $702 on momondo.

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to Brazil flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

LATAM Airlines, Delta, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Brazil

United Airlines, GOL and Copa Airlines are the top three most popular airlines that fly to Brazil from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Brazil. Keep in mind that there are 9 different airlines that fly to Brazil on a routine basis, so you have a few additional options to choose from.

Historically, on average around 42% of flights between Chicago and Brazil have experienced a delay on any given week. The average delay length over the past 12 months has been 190 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 42% of their flights experiencing any sort of delay.

1 flights are operational daily from Chicago O'Hare Intl Airport to Brazil as of October 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

As of October 2026, there are 12 flights per week flying from Chicago O'Hare Intl Airport to Brazil. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.