$593+ Cheap flights from Marion, IL to St. Louis (MWA - STL)
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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
MWA — STL
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Marion to St. Louis 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 Marion to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Marion to St. LouisExplore the most affordable flight options available from Marion to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Marion to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/2310:19 am -
1 stop33h 31m
Mon 11/301:14 pm -
1 stop35h 17m
Deal found 10/26![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/106:46 am -
1 stop30h 04m
Sat 11/145:01 am -
1 stop19h 26m
Deal found 10/26![American Airlines logo]()
$956
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/510:41 am -
1 stop50h 09m
Fri 11/201:14 pm -
1 stop35h 17m
Deal found 10/27![American Airlines logo]()
$959
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/116:45 am -
1 stop30h 05m
Sun 11/156:00 am -
1 stop18h 27m
Deal found 10/27![American Airlines logo]()
$982
Best flights from Marion to St. LouisDiscover carefully curated flight deals from Marion to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Marion to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/2310:19 am -
1 stop33h 31m
Mon 11/301:14 pm -
1 stop35h 17m
Deal found 10/26![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/106:46 am -
1 stop30h 04m
Sat 11/145:01 am -
1 stop19h 26m
Deal found 10/26![American Airlines logo]()
$956
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/1310:41 am -
1 stop48h 12m
Tue 11/1711:35 am -
1 stop12h 52m
Deal found 10/29![American Airlines logo]()
$982
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/116:45 am -
1 stop30h 05m
Sun 11/156:00 am -
1 stop18h 27m
Deal found 10/27![American Airlines logo]()
$982
Last-minute flights from Marion to St. LouisDiscover last-minute flight deals from Marion to St. Louis. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Marion to St. Louis. Data last updated October 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/510:41 am -
1 stop50h 09m
Fri 11/201:14 pm -
1 stop35h 17m
Deal found 10/27![American Airlines logo]()
$959
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/106:46 am -
1 stop30h 04m
Sat 11/145:01 am -
1 stop19h 26m
Deal found 10/26![American Airlines logo]()
$956
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/116:45 am -
1 stop30h 05m
Sun 11/156:00 am -
1 stop18h 27m
Deal found 10/27![American Airlines logo]()
$982
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/2310:19 am -
1 stop33h 31m
Mon 11/301:14 pm -
1 stop35h 17m
Deal found 10/26![American Airlines logo]()
$681
One-way flights from Marion to St. LouisSearch for one-way flight options from Marion to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Marion to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/116:45 am -
1 stop12h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$593
Find flight deals from Marion to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Marion (MWA) to St. Louis (STL). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $681 (American Airlines) |
One-way from | $593 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Marion to St. Louis 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 October 30, 2026.
Use the filters below to find and compare flights from Marion to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
MarionSt. Louis
MWA Marion Williamson County - STL Lambert-St Louis
MWASTL
Marion Williamson County
Wed 11/11
6:45 am-7:22 pm
1 stop12h 37m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$593
MarionSt. Louis
MWA Marion Williamson County - STL Lambert-St Louis
MWASTL
Marion Williamson County
Mon 11/23
10:19 am-7:50 pm
1 stop33h 31m
Lambert-St Louis
Mon 11/30
1:14 pm-12:31 am
1 stop35h 17m
$681
MarionSt. Louis
MWA Marion Williamson County - STL Lambert-St Louis
MWASTL
Marion Williamson County
Tue 11/10
6:46 am-12:50 pm
1 stop30h 04m
Lambert-St Louis
Sat 11/14
5:01 am-12:27 am
1 stop19h 26m
$956
MarionSt. Louis
MWA Marion Williamson County - STL Lambert-St Louis
MWASTL
Marion Williamson County
Fri 11/13
10:41 am-10:53 am
1 stop48h 12m
Lambert-St Louis
Tue 11/17
11:35 am-12:27 am
1 stop12h 52m
$982
MarionSt. Louis
MWA Marion Williamson County - STL Lambert-St Louis
MWASTL
Marion Williamson County
Wed 11/11
6:45 am-12:50 pm
1 stop30h 05m
Lambert-St Louis
Sun 11/15
6:00 am-12:27 am
1 stop18h 27m
$982
Sorted by cheapest first
Compare providers for flights from Marion to St. Louis
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 Marion to St. Louis in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Marion, Illinois-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Marion, Illinois-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Marion, Illinois-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Marion, Illinois-St. Louis 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 Marion, Illinois-St. Louis 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 Marion to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Marion with our price prediction graph.
MWA-STL
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 Marion to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
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