Flight prices from Chicago to Saint Mary's

There’s no fixed price — fares between Chicago and Saint Marys can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which airports are most convenient between Chicago and Saint Marys?

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

• Airports in Chicago: There are 3 airports in Chicago - Midway, O'Hare, Rockford.
• Airports in Saint Marys: Saint Marys - Saint Mary's is the only functioning airport for now.

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

Plan your perfect flight from Chicago to Saint Mary's

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to United States? Other frequent searches include: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.