Cheap Flights from Chicago (ORD) to St. Louis (SUS)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to St. Louis, MO (SUS-Spirit of St. Louis)

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Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS) cost?
Discover the latest flight deals from ORD to SUS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ORD to SUS?
The cheapest flights from ORD to SUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ORD to SUS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ORD to SUS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS)?
You’ll need to hop on a flight with a layover when traveling from O’Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ORD to SUS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS)?
To avoid potential delays on the O’Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for St. Louis from O'Hare Intl. Airport (ORD)?
If you’re flying on a direct flight from O’Hare Intl. Airport (ORD) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS) last-minute?
Waiting until just before your departure to book a flight from ORD to SUS generally means paying more. While it’s possible to find some last-minute deals, they aren’t always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book an ORD to SUS flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to SUS flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Spirit of St. Louis Airport (SUS)?
You can usually reschedule or cancel your ORD to SUS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.
*Available to One Key members.