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

SUS Airport Page →
754 mi airlines 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 78 1-stop flights Verified 27m 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
St Louis to Denver
Connecting service available through multiple hubs.
1 Flights/wk 754 mi 1h 55m nonstop -1h behind 78 1-stop hubs

While no nonstop service exists between SUS and DEN, connecting options are available through 78 hubs.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SUS to DEN.
1-STOP
One-Stop Connections
78
Hubs
~4h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
304
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.

Other ways to reach Denver from St Louis

Nearby airports with service to Denver International Airport.
Metric SUS→DEN STL→DEN COU→DEN
Distance from SUS 16 mi 85 mi
Nonstop airlines 0 5 2
Weekly flights 1 113 7
Flight time 1h 55m 2h 2m 2h 21m
Airports within 200 miles of SUS with service to Denver International Airport.

Travel Essentials

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

When it's 6:00 PM in St Louis, it's 5:00 PM in Denver.
Distance & Flight Time
754 mi / 1,213 km
Nonstop flight time is approximately 1h 55m.
Getting from DEN

RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.

Denver Climate

Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.

Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.

SUS–DEN Quick Facts

Key statistics for the St Louis to Denver route.
Route details
Distance754 mi / 1,213 km
Flight time1h 55m
Time difference-1 hour
Airlines (nonstop)0
Weekly flights1 out
1-stop connections78 hubs
Origin: SUS
IATA / ICAOSUS / KSUS
TimezoneAmerica/Chicago
Elevation463 ft / 141 m
Destination: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m

Frequently Asked Questions

Common questions about SUS to DEN flights.
Nonstop flights from Spirit of St Louis Airport to Denver International Airport take approximately 1h 55m. The route covers 754 miles.
There are approximately 1 nonstop flights per week from SUS to DEN.
Yes, 1-stop connections are available through STL, MCI, PWK, COU, CID, OMA, COS, OKC, JCI, MSP, PIA, MDW, MEM, BNA, TUL, IND, MKE, SDF, ABQ, SGF, DFW, IAH, HOU, SLC, DAL, GRR, ELP, SCF, CMH, CLE, PIT, ORD, CLT, BZN, BOI, PNS, LAS, AUS, ATL, TUS, IAD, YOW, PHX, RIC, BUF, CHS, TEB, SAT, ALB, ORF, APF, LGA, SAV, PSP, TPA, RDU, FCA, PBI, BOS, FLL, BTV, LGB, MCO, RSW, SRQ, SAN, JFK, PHL, SJD, SNA, SFO, GCM, MIA, PLS, NAS, SJO, PUJ and HND. These options provide additional schedule flexibility.
Denver is 1 hour behind St Louis.
Yes, return flights from DEN to SUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include STL and COU. See the Alternatives section for a full comparison.
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 SUS to DEN

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

SUS to DEN Flight Duration and Schedule

Nonstop flight time from SUS to DEN ranges from 1 hours 55 minutes. The route covers a distance of 754 miles (1,213 km).

Connecting Options and Alternatives

78 one-stop connections are available, with the fastest taking approximately 4 hours via STL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include St Louis (STL) and Columbia (COU).