How to estimate the price of a flight from Chicago O'Hare to Teresina?

It depends. Prices for flights from Chicago to Teresina fluctuate based on several factors.

Select your dates to check current offers.

Checking fares across several nearby dates can help you see which days offer the best deals. Jetcost lets you track price changes and grab the best opportunities.

Which airports serve Chicago and Teresina?

When planning a trip of about 6935 km, it's a good idea to check flights from surrounding airports too.

• Airports in Chicago: Chicago is connected to 3 airports - Midway, O'Hare, Rockford.
• Airports in Teresina: The only active airport in Teresina is Teresina.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flight filters for the route Chicago O'Hare – Teresina

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: Goiania, Recife, Rio de Janeiro, Salvador, 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.