What’s the cost of a flight from Chicago to Saint Mary's?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Saint Marys.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports near Chicago or Saint Marys offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Chicago: 3 airports are active - Midway, O'Hare, Rockford.
• Airports in Saint Marys: Saint Marys - Saint Mary's is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Find the best flight from Chicago to Saint Mary's

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to United States? Travelers also looked at: Atlanta, Los Angeles, Miami, New York City, Orlando.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Chicago – Saint Mary's flights.