Planning a flight from Saint Mary's to Chicago?

Flight prices from Saint Marys to Chicago change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which airports are most convenient between Saint Marys and Chicago?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Saint Marys: Only Saint Marys - Saint Mary's is currently active.
• Airports in Chicago: In Chicago you can fly to/from 3 airports - Midway, O'Hare, Rockford.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Customize your flight from Saint Mary's to Chicago

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United States? You might also consider: Atlanta, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.