Compare live prices for DEC to STL on
Tue, 14 Apr 2026. Use the search panel
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DEC → STLApprox. 177.02 km14 Apr 2026Live inventory
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Showing 25
of 63
live flights
United Airlines
UA-5017
19:37
04/14/2026
DEC
16h 45m
1 Stop
⏱ ORD · 14h 3m
12:22
04/15/2026
+1
STL
₹26,066
per person
✕ Non-refundable7 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
25h 36m
1 Stop
⏱ ORD · 22h 55m
21:13
04/15/2026
+1
STL
₹26,066
per person
✕ Non-refundable7 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
26h 15m
1 Stop
⏱ ORD · 23h 30m
21:52
04/15/2026
+1
STL
₹26,066
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
12h 48m
1 Stop
⏱ ORD · 10h 10m
08:25
04/15/2026
+1
STL
₹26,184
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
15h 8m
1 Stop
⏱ ORD · 12h 25m
10:45
04/15/2026
+1
STL
₹26,184
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
23h 54m
1 Stop
⏱ ORD · 21h 10m
19:31
04/15/2026
+1
STL
₹26,986
per person
✕ Non-refundable🔥 Last 1 seats7 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
18h 47m
1 Stop
⏱ ORD · 16h 8m
14:24
04/15/2026
+1
STL
₹29,269
per person
✕ Non-refundable🔥 Last 5 seats7 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
22h 34m
1 Stop
⏱ ORD · 19h 50m
18:11
04/15/2026
+1
STL
₹33,833
per person
✕ Non-refundable🔥 Last 2 seats6 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
14h 57m
2 Stops
⏱ ORD · 8h 25m⏱ ATL · 1h 35m
10:34
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
14h 57m
2 Stops
⏱ ORD · 9h 10m⏱ ATL · 0h 50m
10:34
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
16h 2m
2 Stops
⏱ ORD · 9h 35m⏱ MSP · 1h 49m
11:39
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
16h 19m
2 Stops
⏱ ORD · 10h 20m⏱ ATL · 0h 59m
11:56
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
16h 19m
2 Stops
⏱ ORD · 8h 25m⏱ ATL · 3h 0m
11:56
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
16h 19m
2 Stops
⏱ ORD · 9h 10m⏱ ATL · 2h 15m
11:56
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
17h 28m
2 Stops
⏱ ORD · 12h 37m⏱ DTW · 0h 41m
13:05
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
17h 28m
2 Stops
⏱ ORD · 10h 10m⏱ DTW · 2h 50m
13:05
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
17h 28m
2 Stops
⏱ ORD · 12h 2m⏱ DTW · 1h 4m
13:05
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
18h 52m
2 Stops
⏱ ORD · 12h 0m⏱ MSP · 2h 20m
14:29
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
18h 52m
2 Stops
⏱ ORD · 12h 39m⏱ MSP · 1h 40m
14:29
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
19h 55m
2 Stops
⏱ ORD · 13h 0m⏱ ATL · 2h 3m
15:32
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
19h 55m
2 Stops
⏱ ORD · 11h 25m⏱ ATL · 3h 39m
15:32
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
19h 55m
2 Stops
⏱ ORD · 13h 51m⏱ ATL · 1h 15m
15:32
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
21h 5m
2 Stops
⏱ ORD · 14h 10m⏱ DTW · 2h 36m
16:42
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
21h 13m
2 Stops
⏱ ORD · 15h 24m⏱ MSP · 1h 28m
16:50
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
United Airlines
UA-5017
19:37
04/14/2026
DEC
22h 7m
2 Stops
⏱ ORD · 16h 2m⏱ ATL · 1h 19m
17:44
04/15/2026
+1
STL
₹45,417
per person
✕ Non-refundable2 fare options
😕 No flights match your filters.
Decatur (DEC)
📍 Decatur Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 39.834598541259766
📐 Longitude: -88.8656997680664
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
✈ Distance: Decatur,USA to St. Louis,USA — 177.02 km
📅 Results on this page are loaded for 14 Apr 2026. Click View all flights for the complete live search.
Decatur to St. Louis — what to expect when booking
The DEC–STL 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 Decatur,USA and St. Louis,USA is approximately
177.02 km.
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❓ Frequently asked questions — Decatur to St. Louis 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 Decatur,USA (DEC) and St. Louis,USA (STL) is approximately 177.02 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.