How to get the best price from Saint Mary's to Chicago O'Hare?

Depending on when you travel and how far in advance you book, fares between Saint Marys and Chicago can differ a lot.

Pick a travel date to see today’s available fares.

Search engines like Jetcost can highlight price changes in just seconds. For example, some users find better prices by flying on one day of the week over another — try several searches to spot the cheapest day.

Flying between Saint Marys and Chicago? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Saint Marys: Saint Marys has only one airport in service, Saint Marys - Saint Mary's.
• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Saint Marys airports in a single search.

Find the best flight from Saint Mary's to Chicago O'Hare

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: Las Vegas, 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 Saint Mary's – Chicago O'Hare flights.