Cheap flights from Marion to St. Louis (MWA - STL)

Oct 3 — Oct 101

How to find the cheapest flight from Marion (MWA) to St. Louis (STL)

All the information you need to plan the best MWA to STL flight in 2023: compare Marion to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

Popular in


Cheapest in


Average price


Round-trip from

High demand for flights, 25% potential price rise
Best time to find cheap flights, 28% potential price drop
Average for round-trip flights in September 2023
From Marion Williamson County to Lambert-St Louis



$299 - $474



32 - 80.6 °F



2.2 - 4.7 inches

What is the cheapest month to fly from Marion, Illinois to St. Louis?

June can be a great time to fly to St. Louis from Marion, Illinois with a flight ticket averaging about $86. Cheapflights users have found deals in the month of June for as cheap as $58. The most expensive prices can be found in the month of October.

When is the cheapest time to fly from Marion, Illinois to St. Louis (MWA - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Marion, Illinois to St. Louis as you normally would.

Related info for your journey

Useful info, stats and facts about Marion to St. Louis flights.

What does MWA to STL mean?

Marion Williamson County Airport is MWA and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Other flights to St. Louis

Top airline flying from Marion to St. Louis

The chart below displays the airlines Cheapflights users traveling from Marion to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Cape AirCheapest$75Average$97FlexibilityNo cancel feeOn-time63%
Search Cape Air flights

Weekly flight availability from Marion to St. Louis

See how many times per day planes take to the skies headed from Marion to St. Louis
Sunday4daily flights
Monday4daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday8daily flights
Friday8daily flights
Saturday4daily flights

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How does Cheapflights help users find flights from Marion to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Marion to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Marion to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Marion.

Can Cheapflights find flights from Marion to St. Louis with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Marion to St. Louis, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Marion to St. Louis become cheaper?

Yes! Start tracking prices for Marion to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, navigate to the search form above to perform a search, which will then prompt you for a valid email address to use the tool.

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