Denver to St Louis (DEN–SUS) — Airlines, Schedules & Connections

DEN Airport Page →
754 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 58 1-stop flights Verified 2mos ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Denver to St Louis
Connecting service available through multiple hubs.
754 mi 2h 24m nonstop +1h ahead 58 1-stop hubs

While no nonstop service exists between DEN and SUS, connecting options are available through 58 hubs.

Also explore DEN Routes SUS Routes DEN Live Flights SUS Live Flights DEN Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for DEN to SUS.
1-STOP
One-Stop Connections
58
Hubs
~3h
Fastest
~31h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
313
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.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+1h
St Louis is 1 hour ahead of Denver.
DEN: MDT · SUS: CDT

When it's 6:00 PM in Denver, it's 7:00 PM in St Louis.
Distance & Flight Time
754 mi / 1,213 km
Nonstop flight time is approximately 2h 24m.
Getting to DEN

RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.

Facts

DEN–SUS Quick Facts

Key statistics for the Denver to St Louis route.
Route details
Distance754 mi / 1,213 km
Flight time2h 24m
Time difference+1 hour
Airlines (nonstop)0
1-stop connections58 hubs
Origin: DEN
Full nameDenver International Airport
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m
Destination: SUS
Full nameSpirit of St Louis Airport
IATA / ICAOSUS / KSUS
TimezoneAmerica/Chicago
Elevation463 ft / 141 m
FAQ

Frequently Asked Questions

Common questions about DEN to SUS flights.
Nonstop flights from Denver International Airport to Spirit of St Louis Airport take approximately 2h 24m. The route covers 754 miles.
Yes, 1-stop connections are available through APA, STL, MCI, HOU, MDW, DAL, MKG, SGF, BNA, IND, SDF, PHX, SLC, ORD, BHM, ELP, SAV, IAH, BWI, CRW, JAX, MSY, CAE, SNA, BZN, AUS, CMH, PIT, LAS, MCO, DTW, CLT, SJD, CHS, IAD, LGA, SFO, BOS, PSP, PHL, ORF, CUN, SJC, APF, RSW, LAX, BDL, PDX, FLL, JFK, NAS, PBI, SRQ, MIA, ANC, OMA, DFW and HND. These options provide additional schedule flexibility.
St Louis is 1 hour ahead of Denver.
Yes, return flights from SUS to DEN 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 DEN to SUS

Denver International Airport (DEN) and Spirit of St Louis Airport (SUS) are connected through multiple connecting hub airports.

DEN to SUS Flight Duration and Schedule

Nonstop flight time from DEN to SUS ranges from 2 hours 24 minutes. The route covers a distance of 754 miles (1,213 km).

Connecting Options and Alternatives

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