How much is a flight 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.

Select your dates to check current offers.

Low-cost airlines offer competitive fares, but often add charges for extra services. Keep that in mind when planning your trip. Also, midweek departures may offer better deals than weekends.

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.

Explore flights from Chicago O'Hare to Sao Luis your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Brazil? Check out: Fortaleza, Porto Alegre, Recife, Rio de Janeiro, São Paulo.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.