Cheap Flights from St. Louis (CPS) to Ann Arbor (ARB)

Popular airlines from St. Louis, MO (CPS-St. Louis Downtown) to Ann Arbor, MI (ARB-Ann Arbor Municipal)

Frequently asked questions

How much does a flight from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal) cost?
Grab a cheap one-way flight or cheap return flight from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between CPS and ARB. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CPS to ARB flight.
How many flights per day from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal)?
Nonstop flights from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CPS to ARB?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal)?
To reach Ann Arbor, MI (ARB-Ann Arbor Municipal) without delays, book a flight that takes off from St. Louis Downtown Airport (CPS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal) last-minute?
Waiting until right before your break to book a ticket from CPS to ARB generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a CPS to ARB flight and hotel package?
Opting for a CPS to ARB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis Downtown Airport (CPS) to Ann Arbor, MI (ARB-Ann Arbor Municipal)?
Typically, you can cancel or modify your CPS to ARB flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
St. Louis Downtown
Destination airport
Ann Arbor Municipal
Distance
420 mi

Book with confidence

Book with confidence

St. Louis to Ann Arbor Flights

The cheapest times to fly from St. Louis to Ann Arbor

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Ann Arbor are during the month of . You can find some of the cheapest flights from St. Louis to Ann Arbor with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Ann Arbor

Sunday is one of the best days to book for cheap flights from St. Louis to Ann Arbor: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Ann Arbor

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Ann Arbor in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Ann Arbor flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Ann Arbor airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Ann Arbor Flights

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Explore a world of travel with Expedia

*Available to One Key members.