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St. Louis (STL) to Marion (MWA) Flights from ₹20,386

Fares on this route currently start from ₹20,386. Compare live STL to MWA prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
STL → MWA Approx. 162.14 km 04 Jun 2026 Live inventory
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Showing 25 of 26 live flights
American Airlines
AA-2324
07:03
06/04/2026
STL
St Louis Lambert International Airport
5h 37m
1 Stop
⏱ ORD · 2h 35mORD Airport
12:40
06/04/2026
MWA
Williamson County Regional Airport
₹20,386
per person
✓ Refundable3 fare options
American Airlines
AA-1926
06:00
06/04/2026
STL
St Louis Lambert International Airport
6h 40m
1 Stop
⏱ ORD · 3h 35mORD Airport
12:40
06/04/2026
MWA
Williamson County Regional Airport
₹20,386
per person
✓ Refundable3 fare options
American Airlines
AA-4144
20:14
06/04/2026
STL
St Louis Lambert International Airport
16h 26m
1 Stop
⏱ ORD · 13h 20mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹21,858
per person
✓ Refundable🔥 Last 2 seats3 fare options
American Airlines
AA-4144
20:14
06/04/2026
STL
St Louis Lambert International Airport
21h 21m
1 Stop
⏱ ORD · 18h 15mORD Airport
17:35
06/05/2026
+1
MWA
Williamson County Regional Airport
₹21,858
per person
✓ Refundable🔥 Last 2 seats3 fare options
United Airlines
UA-1008
06:00
06/04/2026
STL
St Louis Lambert International Airport
6h 40m
1 Stop
⏱ ORD · 3h 35mORD Airport
12:40
06/04/2026
MWA
Williamson County Regional Airport
₹28,699
per person
✓ Refundable3 fare options
United Airlines
UA-4423
07:22
06/04/2026
STL
St Louis Lambert International Airport
5h 18m
1 Stop
⏱ ORD · 2h 5mORD Airport
12:40
06/04/2026
MWA
Williamson County Regional Airport
₹28,699
per person
✓ Refundable🔥 Last 2 seats3 fare options
American Airlines
AA-6352
13:42
06/04/2026
STL
St Louis Lambert International Airport
22h 58m
1 Stop
⏱ ORD · 19h 49mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹29,704
per person
✓ Refundable3 fare options
United Airlines
UA-1382
13:13
06/04/2026
STL
St Louis Lambert International Airport
23h 27m
1 Stop
⏱ ORD · 20h 22mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹30,171
per person
✓ Refundable3 fare options
United Airlines
UA-4395
11:25
06/04/2026
STL
St Louis Lambert International Airport
25h 15m
1 Stop
⏱ ORD · 22h 2mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹30,171
per person
✓ Refundable🔥 Last 2 seats3 fare options
American Airlines
AA-3815
14:32
06/04/2026
STL
St Louis Lambert International Airport
22h 8m
1 Stop
⏱ ORD · 19h 6mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹33,441
per person
✓ Refundable🔥 Last 1 seats3 fare options
American Airlines
AA-6352
13:42
06/04/2026
STL
St Louis Lambert International Airport
3h 53m
1 Stop
⏱ ORD · 0h 44mORD Airport
17:35
06/04/2026
MWA
Williamson County Regional Airport
₹33,838
per person
✓ Refundable🔥 Last 1 seats3 fare options
American Airlines
AA-4953
09:26
06/04/2026
STL
St Louis Lambert International Airport
8h 9m
1 Stop
⏱ ORD · 5h 0mORD Airport
17:35
06/04/2026
MWA
Williamson County Regional Airport
₹34,375
per person
✓ Refundable🔥 Last 1 seats3 fare options
American Airlines
AA-4537
17:03
06/04/2026
STL
St Louis Lambert International Airport
24h 32m
1 Stop
⏱ ORD · 21h 16mORD Airport
17:35
06/05/2026
+1
MWA
Williamson County Regional Airport
₹37,642
per person
✓ Refundable3 fare options
American Airlines
AA-4537
17:03
06/04/2026
STL
St Louis Lambert International Airport
19h 37m
1 Stop
⏱ ORD · 16h 21mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹37,642
per person
✓ Refundable3 fare options
United Airlines
UA-1639
17:29
06/04/2026
STL
St Louis Lambert International Airport
19h 11m
1 Stop
⏱ ORD · 16h 5mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹38,483
per person
✓ Refundable🔥 Last 3 seats3 fare options
United Airlines
UA-1639
17:29
06/04/2026
STL
St Louis Lambert International Airport
24h 6m
1 Stop
⏱ ORD · 21h 0mORD Airport
17:35
06/05/2026
+1
MWA
Williamson County Regional Airport
₹38,483
per person
✓ Refundable🔥 Last 3 seats3 fare options
United Airlines
UA-4567
08:10
06/04/2026
STL
St Louis Lambert International Airport
4h 30m
1 Stop
⏱ ORD · 1h 20mORD Airport
12:40
06/04/2026
MWA
Williamson County Regional Airport
₹41,427
per person
✓ Refundable🔥 Last 2 seats3 fare options
American Airlines
AA-2733
09:25
06/04/2026
STL
St Louis Lambert International Airport
8h 10m
2 Stops
⏱ CLT · 0h 50mCLT Airport⏱ ORD · 1h 37mORD Airport
17:35
06/04/2026
MWA
Williamson County Regional Airport
₹42,893
per person
✓ Refundable🔥 Last 1 seats3 fare options
United Airlines
UA-4517
10:25
06/04/2026
STL
St Louis Lambert International Airport
7h 10m
1 Stop
⏱ ORD · 4h 3mORD Airport
17:35
06/04/2026
MWA
Williamson County Regional Airport
₹47,570
per person
✓ Refundable🔥 Last 1 seats3 fare options
American Airlines
AA-2491
19:20
06/04/2026
STL
St Louis Lambert International Airport
17h 20m
3 Stops
⏱ DFW · 1h 24mDFW Airport⏱ MCI · 4h 45mMCI Airport⏱ ORD · 4h 4mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹52,589
per person
✓ Refundable🔥 Last 3 seats3 fare options
United Airlines
UA-4411
19:05
06/04/2026
STL
St Louis Lambert International Airport
17h 35m
1 Stop
⏱ ORD · 14h 30mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹54,412
per person
✓ Refundable3 fare options
United Airlines
UA-4411
19:05
06/04/2026
STL
St Louis Lambert International Airport
22h 30m
1 Stop
⏱ ORD · 19h 25mORD Airport
17:35
06/05/2026
+1
MWA
Williamson County Regional Airport
₹54,412
per person
✓ Refundable3 fare options
United Airlines
UA-1382
13:13
06/04/2026
STL
St Louis Lambert International Airport
4h 22m
1 Stop
⏱ ORD · 1h 17mORD Airport
17:35
06/04/2026
MWA
Williamson County Regional Airport
₹58,546
per person
✓ Refundable🔥 Last 1 seats3 fare options
United Airlines
UA-4395
11:25
06/04/2026
STL
St Louis Lambert International Airport
6h 10m
1 Stop
⏱ ORD · 2h 57mORD Airport
17:35
06/04/2026
MWA
Williamson County Regional Airport
₹58,546
per person
✓ Refundable🔥 Last 1 seats3 fare options
United Airlines
UA-4536
15:22
06/04/2026
STL
St Louis Lambert International Airport
21h 18m
1 Stop
⏱ ORD · 18h 5mORD Airport
12:40
06/05/2026
+1
MWA
Williamson County Regional Airport
₹68,471
per person
✓ Refundable🔥 Last 3 seats3 fare options
😕 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 04 Jun 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.