$949+ Cheap flights from St. Louis to Marion, IL (STL - MWA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MWA
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Marion with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Marion
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to MarionExplore the most affordable flight options available from St. Louis to Marion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from St. Louis to Marion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:29 pm -
1 stop31h 02m
Fri 11/2710:19 am -
1 stop48h 15m
Deal found 11/8![American Airlines logo]()
$949
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:26 am -
1 stop17h 05m
Wed 11/256:45 am -
1 stop15h 29m
Deal found 11/6![American Airlines logo]()
$976
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:24 pm -
1 stop4h 12m
Wed 12/96:39 am -
1 stop6h 34m
Deal found 11/6![American Airlines logo]()
$3,060
Best flights from St. Louis to MarionDiscover carefully curated flight deals from St. Louis to Marion that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from St. Louis to Marion that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:29 pm -
1 stop31h 02m
Fri 11/2710:19 am -
1 stop48h 15m
Deal found 11/8![American Airlines logo]()
$949
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:26 am -
1 stop17h 05m
Wed 11/256:45 am -
1 stop15h 29m
Deal found 11/6![American Airlines logo]()
$976
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:24 pm -
1 stop4h 12m
Wed 12/96:39 am -
1 stop6h 34m
Deal found 11/6![American Airlines logo]()
$3,060
Last-minute flights from St. Louis to MarionDiscover last-minute flight deals from St. Louis to Marion. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Marion. Data last updated November 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:26 am -
1 stop17h 05m
Wed 11/256:45 am -
1 stop15h 29m
Deal found 11/6![American Airlines logo]()
$976
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:29 pm -
1 stop31h 02m
Fri 11/2710:19 am -
1 stop48h 15m
Deal found 11/8![American Airlines logo]()
$949
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:24 pm -
1 stop4h 12m
Wed 12/96:39 am -
1 stop6h 34m
Deal found 11/6![American Airlines logo]()
$3,060
Find flight deals from St. Louis to Marion
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Marion (MWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $949 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Marion that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from St. Louis to Marion that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMarion
STL Lambert-St Louis - MWA Marion Williamson County
STLMWA
Lambert-St Louis
Mon 11/23
5:29 pm-12:31 am
1 stop31h 02m
Marion Williamson County
Fri 11/27
10:19 am-10:34 am
1 stop48h 15m
$949
St. LouisMarion
STL Lambert-St Louis - MWA Marion Williamson County
STLMWA
Lambert-St Louis
Sat 11/21
7:26 am-12:31 am
1 stop17h 05m
Marion Williamson County
Wed 11/25
6:45 am-10:14 pm
1 stop15h 29m
$976
Quickest round-trip
St. LouisMarion
STL Lambert-St Louis - MWA Marion Williamson County
STLMWA
Lambert-St Louis
Thu 12/3
8:24 pm-12:36 am
1 stop4h 12m
Marion Williamson County
Wed 12/9
6:39 am-1:13 pm
1 stop6h 34m
$3,060
Sorted by cheapest first
Compare providers for flights from St. Louis to Marion
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Marion in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Marion, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Marion, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Marion, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Marion, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Marion, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Marion
Have a flexible travel schedule? Discover the best time to fly to Marion from St. Louis with our price prediction graph.
STL-MWA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Marion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Marion?
Book flights to Marion if you plan to visit one of these locationsChester
Mount Vernon
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