Cheap flights from Illinois to Sao Paulo from $298

In general, September is the cheapest month to fly from Illinois to Sao Paulo Guarulhos Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $679. If you don’t want to visit Sao Paulo Guarulhos Intl Airport in September, then you should wait until March to fly from Illinois, when ticket prices are also cheap, with an average price of $699.

On average, the least expensive day to fly to Sao Paulo Guarulhos Intl Airport from Illinois is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,048. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Sao Paulo Guarulhos Intl Airport is Tuesday, with ticket prices averaging around $1,196.

Our data shows that the cheapest Illinois to Sao Paulo Guarulhos Intl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Sao Paulo Guarulhos Intl Airport in the afternoon for as low as $1,087. Flights in the evening are often more expensive with an average ticket price of $1,158.

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

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

There are 3 cabin classes available to choose from on Illinois to Sao Paulo Guarulhos Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Arajet and Copa Airlines are the most popular carriers operating from Illinois to Sao Paulo Guarulhos Intl

United Airlines, Copa Airlines and Air Canada are the top three most popular airlines that fly to Sao Paulo Guarulhos Intl Airport from Illinois according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Sao Paulo Guarulhos Intl Airport. Keep in mind that there are 8 different airlines that fly to Sao Paulo Guarulhos Intl Airport on a routine basis, so you have a few additional options to choose from.

As of October 2026, 1 flights take off from Illinois and land in Sao Paulo Guarulhos Intl Airport each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

As of October 2026, 12 flights take off from Illinois and land in Sao Paulo Guarulhos Intl Airport each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.