St Louis to Des Moines (STL–DSM) — Airlines, Schedules & Connections

STL Airport Page →
259 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 24m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
St Louis to Des Moines
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 259 mi 2h 15m nonstop -1h behind 33 1-stop hubs

STL–DSM is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 259 miles in approximately 2h 15m. Beyond nonstop, 33 hubs offer 1-stop connections.

Also explore STL Routes DSM Routes STL Live Flights DSM Live Flights STL Delays DSM Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop STL–DSM service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 10 – – 58% – –
Alliance coverage
Unaffiliated: WN (10 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to DSM.
1-STOP
One-Stop Connections
33
Hubs
~3h
Fastest
~23h
Longest
OMA ~3h 12m DAL ~3h 47m CLE ~4h 28m MKE ~4h 44m HOU ~5h 34m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,152
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
STL → DSM
58%
Frequent delays expected. Consider flexible booking.
Departing
58%
Arriving
78%
Return
DSM → STL
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
75%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays → DSM delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Des Moines is 1 hour behind St Louis.
STL: EDT · DSM: CDT

When it's 6:00 PM in St Louis, it's 5:00 PM in Des Moines.
Distance & Flight Time
259 mi / 417 km
Nonstop flight time is approximately 2h 15m.
Facts

STL–DSM Quick Facts

Key statistics for the St Louis to Des Moines route.
Route details
Distance259 mi / 417 km
Flight time2h 15m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights1 out / 7 return
1-stop connections33 hubs
Origin: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: DSM
Full nameDes Moines International Airport
IATA / ICAODSM / KDSM
TimezoneAmerica/Chicago
Passengers/yr3.1M
Elevation958 ft / 292 m
FAQ

Frequently Asked Questions

Common questions about STL to DSM flights.
Nonstop flights from St. Louis Lambert International Airport to Des Moines International Airport take approximately 2h 15m. The route covers 259 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 1 nonstop flights per week from STL to DSM. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through OMA, DAL, CLE, MKE, HOU, SBN, PIT, BWI, MSY, PBI, TEB, PSP, BNA, AUS, MSP, LGA, DTW, ORD, MIA, DEN, IAH, DCA, DFW, MDW, ATL, CLT, RSW, FLL, PHX, LAS, LAX, MCO and SRQ. These options provide additional schedule flexibility.
Des Moines is 1 hour behind St Louis.
Yes, return flights from DSM to STL are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STL to DSM

St. Louis Lambert International Airport (STL) and Des Moines International Airport (DSM) are connected by nonstop service from Southwest Airlines. With 1 weekly departures, this is a regularly served route.

STL to DSM Flight Duration and Schedule

Nonstop flight time from STL to DSM ranges from 2 hours 15 minutes. The route covers a distance of 259 miles (417 km). There are approximately 1 weekly flights outbound and 7 return, totaling 8 flights per week in both directions.

Connecting Options and Alternatives

33 one-stop connections are available, with the fastest taking approximately 3 hours via OMA. Two-stop connections are also available via intermediate hubs.