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St. Louis to Marion flight ticket price

Compare live prices for STL to MWA. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → MWA Approx. 162.14 km 08 May 2026 Live inventory
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Showing 25 of 27 live flights
United Airlines
UA-4450
20:30
05/08/2026
STL
St Louis Lambert International Airport
16h 10m
1 Stop
⏱ ORD · 13h 4mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹28,057
per person
✓ Refundable3 fare options
United Airlines
UA-5764
17:28
05/08/2026
STL
St Louis Lambert International Airport
19h 12m
1 Stop
⏱ ORD · 16h 5mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹28,057
per person
✓ Refundable3 fare options
United Airlines
UA-4494
11:15
05/08/2026
STL
St Louis Lambert International Airport
25h 25m
1 Stop
⏱ ORD · 22h 16mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹29,007
per person
✕ Non-refundable🔥 Last 3 seats
American Airlines
AA-418
17:21
05/08/2026
STL
St Louis Lambert International Airport
19h 19m
1 Stop
⏱ ORD · 16h 10mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹30,424
per person
✓ Refundable2 fare options
American Airlines
AA-6190
20:03
05/08/2026
STL
St Louis Lambert International Airport
16h 37m
1 Stop
⏱ ORD · 13h 25mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹30,424
per person
✓ Refundable2 fare options
American Airlines
AA-6399
16:30
05/08/2026
STL
St Louis Lambert International Airport
20h 10m
1 Stop
⏱ ORD · 16h 55mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹30,424
per person
✓ Refundable2 fare options
American Airlines
AA-6447
14:33
05/08/2026
STL
St Louis Lambert International Airport
22h 7m
1 Stop
⏱ ORD · 18h 57mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹30,424
per person
✓ Refundable2 fare options
United Airlines
UA-4592
13:24
05/08/2026
STL
St Louis Lambert International Airport
23h 16m
1 Stop
⏱ ORD · 20h 12mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹32,975
per person
✓ Refundable🔥 Last 2 seats3 fare options
United Airlines
UA-4395
10:25
05/08/2026
STL
St Louis Lambert International Airport
26h 15m
1 Stop
⏱ ORD · 23h 7mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹33,543
per person
✕ Non-refundable🔥 Last 3 seats
United Airlines
UA-473
07:45
05/08/2026
STL
St Louis Lambert International Airport
4h 55m
1 Stop
⏱ ORD · 1h 53mORD Airport
12:40
05/08/2026
MWA
Williamson County Regional Airport
₹34,820
per person
✓ Refundable🔥 Last 1 seats3 fare options
United Airlines
UA-4423
06:30
05/08/2026
STL
St Louis Lambert International Airport
6h 10m
1 Stop
⏱ ORD · 3h 11mORD Airport
12:40
05/08/2026
MWA
Williamson County Regional Airport
₹34,820
per person
✓ Refundable🔥 Last 1 seats3 fare options
United Airlines
UA-4569
08:21
05/08/2026
STL
St Louis Lambert International Airport
4h 19m
1 Stop
⏱ ORD · 1h 15mORD Airport
12:40
05/08/2026
MWA
Williamson County Regional Airport
₹35,275
per person
✓ Refundable🔥 Last 1 seats3 fare options
United Airlines
UA-4494
11:15
05/08/2026
STL
St Louis Lambert International Airport
6h 20m
1 Stop
⏱ ORD · 3h 11mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹35,275
per person
✓ Refundable🔥 Last 2 seats3 fare options
United Airlines
UA-4395
10:25
05/08/2026
STL
St Louis Lambert International Airport
7h 10m
1 Stop
⏱ ORD · 4h 2mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹35,799
per person
✓ Refundable🔥 Last 2 seats3 fare options
United Airlines
UA-4601
09:21
05/08/2026
STL
St Louis Lambert International Airport
8h 14m
1 Stop
⏱ ORD · 5h 15mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹35,946
per person
✕ Non-refundable🔥 Last 2 seats
United Airlines
UA-4580
19:09
05/08/2026
STL
St Louis Lambert International Airport
17h 31m
1 Stop
⏱ ORD · 14h 25mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹36,617
per person
✓ Refundable🔥 Last 4 seats3 fare options
United Airlines
UA-4487
15:20
05/08/2026
STL
St Louis Lambert International Airport
21h 20m
1 Stop
⏱ ORD · 18h 14mORD Airport
12:40
05/09/2026
+1
MWA
Williamson County Regional Airport
₹36,617
per person
✓ Refundable🔥 Last 5 seats3 fare options
American Airlines
AA-1926
12:27
05/08/2026
STL
St Louis Lambert International Airport
5h 8m
1 Stop
⏱ ORD · 2h 9mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹37,187
per person
✓ Refundable🔥 Last 2 seats2 fare options
American Airlines
AA-2444
07:05
05/08/2026
STL
St Louis Lambert International Airport
5h 35m
1 Stop
⏱ ORD · 2h 29mORD Airport
12:40
05/08/2026
MWA
Williamson County Regional Airport
₹37,187
per person
✓ Refundable🔥 Last 1 seats2 fare options
American Airlines
AA-3128
05:51
05/08/2026
STL
St Louis Lambert International Airport
6h 49m
1 Stop
⏱ ORD · 3h 44mORD Airport
12:40
05/08/2026
MWA
Williamson County Regional Airport
₹37,187
per person
✓ Refundable🔥 Last 1 seats2 fare options
American Airlines
AA-4135
08:54
05/08/2026
STL
St Louis Lambert International Airport
3h 46m
1 Stop
⏱ ORD · 0h 43mORD Airport
12:40
05/08/2026
MWA
Williamson County Regional Airport
₹37,187
per person
✓ Refundable🔥 Last 1 seats2 fare options
United Airlines
UA-4569
08:21
05/08/2026
STL
St Louis Lambert International Airport
9h 14m
1 Stop
⏱ ORD · 6h 10mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹40,945
per person
✕ Non-refundable🔥 Last 2 seats
American Airlines
AA-2942
09:34
05/08/2026
STL
St Louis Lambert International Airport
8h 1m
2 Stops
⏱ DFW · 1h 15mDFW Airport⏱ ORD · 0h 42mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹48,843
per person
✓ Refundable🔥 Last 2 seats2 fare options
United Airlines
UA-473
07:45
05/08/2026
STL
St Louis Lambert International Airport
9h 50m
1 Stop
⏱ ORD · 6h 48mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹51,125
per person
✕ Non-refundable
United Airlines
UA-4423
06:30
05/08/2026
STL
St Louis Lambert International Airport
11h 5m
1 Stop
⏱ ORD · 8h 6mORD Airport
17:35
05/08/2026
MWA
Williamson County Regional Airport
₹51,125
per person
✕ Non-refundable🔥 Last 2 seats
😕 No flights match your filters.
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
Marion (MWA)
📍 Williamson County Regional Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 37.75500107
📐 Longitude: -89.01110077

✈ Distance: St. Louis to Marion,United States — 162.14 km

📅 Results on this page are loaded for 08 May 2026. Click View all flights for the complete live search.

St. Louis to Marion — what to expect when booking

The STL–MWA route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between St. Louis and Marion,United States is approximately 162.14 km.

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More flights from Marion (MWA)
1 routes
Marion → St. Louis
MWA → STL
❓ Frequently asked questions — St. Louis to Marion flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between St. Louis (STL) and Marion,United States (MWA) is approximately 162.14 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.