St Louis to Buffalo (SUS–BUF) — Airlines, Schedules & Connections

SUS Airport Page →
689 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Flight Schedule Charter / private Verified 1d ago
Charter / private route. No scheduled airline service — operated by charter & private aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). 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 Buffalo
Flown by charter / private operators — no scheduled airline service.
689 mi 2h 22m nonstop +1h ahead

SUS–BUF has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.

Also explore SUS Routes BUF Routes SUS Live Flights BUF Live Flights BUF Delays
All flights from Buffalo (BUF) Buffalo to St Louis flights
Connections

Connection Landscape

1-stop and 2-stop options for SUS to BUF.
1-STOP
One-Stop Connections
0
Hubs
–
Fastest
–
Longest
Verified with published schedule alignment and minimum connection time.
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
SUS → BUF
60%
Moderate delays possible. Allow buffer time.
Arriving
60%
Return
BUF → SUS
100%
Generally reliable. Most flights run on time.
Departing
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BUF delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Buffalo is 1 hour ahead of St Louis.
SUS: CDT · BUF: EDT

When it's 6:00 PM in St Louis, it's 7:00 PM in Buffalo.
Distance & Flight Time
689 mi / 1,109 km
Nonstop flight time is approximately 2h 22m gate to gate.
Facts

SUS–BUF Quick Facts

Key statistics for the St Louis to Buffalo route.
Route details
Distance689 mi / 1,109 km
Flight time2h 22m
Time difference+1 hour
Airlines (nonstop)Charter / private
Weekly flights~1 out / ~1 return
1-stop connectionsAvailable
Origin: SUS
Full nameSpirit of St Louis Airport
IATA / ICAOSUS / KSUS
TimezoneAmerica/Chicago
Elevation463 ft / 141 m
Destination: BUF
Full nameBuffalo Niagara International Airport
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m
FAQ

Frequently Asked Questions

Common questions about SUS to BUF flights.
Nonstop flights from Spirit of St Louis Airport to Buffalo Niagara International Airport take about 2h 22m gate to gate. The route covers 689 miles.
Yes, 1-stop connections are available, ranked by layover time.
Buffalo is 1 hour ahead of St Louis.
Yes, return flights from BUF to SUS 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 SUS to BUF

Spirit of St Louis Airport (SUS) and Buffalo Niagara International Airport (BUF) are connected through multiple connecting hub airports.

SUS to BUF Flight Duration and Schedule

Nonstop flight time from SUS to BUF is about 2 hours 22 minutes gate to gate. The route covers a distance of 689 miles (1,109 km).

Connecting Options and Alternatives

1-stop connecting options are also available.