Cheap Flights from Sault Ste. Marie (SSM) to St. Louis (STL)

Popular airlines from Sault Ste. Marie, MI (SSM-Sault Ste. Marie Municipal) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

How much does a flight from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight or cheap return flight from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL) 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 Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL)?
is the most affordable month to fly from SSM to STL. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from SSM to STL, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to catch a flight with a layover if you're traveling from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SSM to STL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the time of year 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 Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 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 Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from SSM to STL shortly before your trip is usually more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SSM to STL flight and hotel package?
Booking a SSM to STL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sault Ste. Marie Municipal Airport (SSM) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to reschedule or cancel your SSM to STL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Sault Ste. Marie Municipal
Destination airport
Lambert-St. Louis Intl.
Distance
615 mi

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Sault Ste. Marie to St. Louis Flights

The cheapest times to fly from Sault Ste. Marie to St. Louis

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

 

The best time to book a flight from Sault Ste. Marie to St. Louis

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

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 Sault Ste. Marie to St. Louis 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 Sault Ste. Marie to St. Louis 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 Sault Ste. Marie to St. Louis 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.

 

Sault Ste. Marie to St. Louis Flights

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