How much is a ticket from Chicago O'Hare to Sao Luis?

Depending on when you travel and how far in advance you book, fares between Chicago and Sao Luiz can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Planning flights between Chicago and Sao Luiz? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Chicago: 3 airports are listed in Chicago - Midway, O'Hare, Rockford.
• Airports in Sao Luiz: Only Sao Luiz - Mal Cunha Machado is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Flight filters for the route Chicago O'Hare – Sao Luis

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Brazil are often searched alongside: Fortaleza, Porto Alegre, Recife, Rio de Janeiro, São Paulo.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.