Cheap Flights from St. Louis (STL) to Detroit (YIP)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Detroit, MI (YIP-Willow Run)

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Alternative airports near Detroit

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Detroit Metropolitan Wayne County DTW. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $304
DTW
Detroit Metropolitan Wayne County
Cheapest
Average driving time to city center26 min
Flights from $304

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run)?
The cheapest month to fly from STL to YIP is , when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to YIP. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run)?
There aren't any daily nonstop flights available from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from STL to YIP?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run) route, aim to travel before 3 PM. Later flights are 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run) last-minute?
Last-minute bookings from STL to YIP are usually more expensive. To lock in the best prices, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Detroit, MI (YIP-Willow Run)?
Typically, it's possible to reschedule or cancel your STL to YIP flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Willow Run
Distance
431 mi

Book with confidence

Book with confidence

St. Louis to Detroit Flights

The cheapest times to fly from St. Louis to Detroit

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 Detroit are during the month of . You can find some of the cheapest flights from St. Louis to Detroit with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Detroit

Sunday is one of the best days to book for cheap flights from St. Louis to Detroit: 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 Detroit

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 Detroit 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 Detroit 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 Detroit 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 Detroit Flights

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*Available to One Key members.