DEC to STL

Decatur to St Louis flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

DEC
Decatur (DEC), United StatesDecatur Arpt
STL
St Louis (STL), United StatesLambert-St Louis Intl
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Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunDEC to STL$351 Sun, 07 JunDEC to STL Mon, 08 JunDEC to STL Tue, 09 JunDEC to STL Wed, 10 JunDEC to STL Thu, 11 JunDEC to STL Fri, 12 JunDEC to STL
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
4H :44 M
1 Stop
ORD · 2h 07mChicago (ORD), United States
23:29
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
$351
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
13H :54 M
1 Stop
ORD · 11h 12mChicago (ORD), United States
08:39
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$366
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
15H :54 M
1 Stop
ORD · 13h 12mChicago (ORD), United States
10:39
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$366
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
17H :26 M
1 Stop
ORD · 14h 47mChicago (ORD), United States
12:11
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$366
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
22H :43 M
1 Stop
ORD · 20h 07mChicago (ORD), United States
17:28
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$366
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
23H :28 M
1 Stop
ORD · 20h 52mChicago (ORD), United States
18:13
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$366
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
24H :28 M
1 Stop
ORD · 21h 52mChicago (ORD), United States
19:13
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$366
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
15H :48 M
2 Stops
ORD · 10h 37mChicago (ORD), United States
MSP · 0h 44mMinneapolis (MSP), United States
10:33
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$497
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
17H :49 M
2 Stops
ORD · 9h 37mChicago (ORD), United States
ATL · 3h 22mAtlanta (ATL), United States
12:34
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$497
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
18H :24 M
2 Stops
ORD · 11h 08mChicago (ORD), United States
DTW · 3h 00mDetroit (DTW), United States
13:09
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$497
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
22H :38 M
2 Stops
ORD · 17h 33mChicago (ORD), United States
DTW · 0h 57mDetroit (DTW), United States
17:23
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$497
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
28H :38 M
2 Stops
ORD · 23h 23mChicago (ORD), United States
MSP · 0h 51mMinneapolis (MSP), United States
23:23
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$539
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
19H :38 M
1 Stop
ORD · 17h 02mChicago (ORD), United States
14:23
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$585
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
21H :01 M
1 Stop
ORD · 18h 27mChicago (ORD), United States
15:46
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$585
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
25H :54 M
2 Stops
ORD · 18h 14mChicago (ORD), United States
DTW · 3h 20mDetroit (DTW), United States
20:39
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$688
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
23H :22 M
2 Stops
ORD · 15h 30mChicago (ORD), United States
ATL · 2h 59mAtlanta (ATL), United States
18:07
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$789
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-6077
18:45
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
29H :11 M
2 Stops
ORD · 21h 18mChicago (ORD), United States
ATL · 2h 50mAtlanta (ATL), United States
23:56
2026-06-07
St Louis (STL)United StatesLambert-St Louis Intl
$789
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

Recommended hotels in St Louis

Stay options near the arrival city for the same travel date.

Search hotels
Best Western Plus Louisa
2.0Very GoodLive availability

Best Western Plus Louisa

- 18199 US-23, Louisa, KY 41230 ,

Free WiFiACBreakfast
Room availability is checked live
$109per night+ taxes if applicable

1 Night • 2 Star

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Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $351 United Airlines 18:45
Earliest departure $351 United Airlines 18:45
Shortest duration $351 United Airlines 18:45
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 No option Open full search for more
Afternoon 12:00-17:59 No option Open full search for more
Evening 18:00-23:59 $351 United Airlines at 18:45

Decatur to St Louis route details

Decatur (DEC)

Decatur Arpt

United States

GMT -6

Latitude: 39.834598541259766

Longitude: -88.8656997680664

St Louis (STL)

Lambert-St Louis Intl

United States

GMT -6

Latitude: 38.748697

Longitude: -90.370003

Distance: Decatur (DEC), United States to St Louis (STL), United States - 177.02 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Decatur to St Louis - what to expect when booking

The DEC to STL cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 177.02 km.

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More flights from Decatur (DEC)1 routes
Decatur → Chicago
DEC → ORD
More flights from St Louis (STL)23 routes
St Louis → Atlanta
STL → ATL
St Louis → Boston
STL → BOS
St Louis → Burlington
STL → BRL
St Louis → Cancun
STL → CUN
St Louis → Cape Girardeau
STL → CGI
St Louis → Charlotte
STL → CLT
St Louis → Chicago
STL → MDW
St Louis → Covington Ky
STL → CVG
St Louis → Cleveland
STL → CLE
St Louis → Columbus
STL → CMH
St Louis → Dallas
STL → DAL
St Louis → Decatur
STL → DEC
St Louis → Denver
STL → DEN
St Louis → Detroit Mi
STL → DTW
St Louis → Fort Lauderdale
STL → FLL
St Louis → Fort Leonard Wood
STL → TBN
St Louis → Fort Myers
STL → RSW
St Louis → Dallas
STL → DFW
St Louis → Grand Rapids
STL → GRR
St Louis → Houston
STL → IAH
St Louis → Houston
STL → HOU
St Louis → Jonesboro
STL → JBR
St Louis → Kansas City
STL → MCI
Frequently asked questions - Decatur to St Louis flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Decatur (DEC) and St Louis (STL) is 177.02 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.