Ottawa to St Louis (YOW–SUS) — Airlines, Schedules & Connections

YOW Airport Page →
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  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.

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Ottawa to St Louis
Route information for YOW to SUS.
-1h behind

Also explore YOW Routes SUS Routes YOW Live Flights SUS Live Flights YOW Delays
All flights from St Louis (SUS) St Louis to Ottawa flights
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
YOW → SUS
100%
Generally reliable. Most flights run on time.
Departing
100%
Return
SUS → YOW
50%
Frequent delays expected. Consider flexible booking.
Arriving
50%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. YOW delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Ottawa.
YOW: EDT · SUS: CDT

When it's 6:00 PM in Ottawa, it's 5:00 PM in St Louis.
Visa & Entry

Canadian citizens do not need a visa or ESTA to enter the United States for tourism or business stays up to 6 months. A valid Canadian passport is required for air travel. Land and sea crossings also accept a NEXUS card, enhanced driver's license, or FAST card. At the border, officers determine the length of stay and may ask for proof of ties to Canada and a return plan.

Verify entry requirements with official sources before travel.
Facts

YOW–SUS Quick Facts

Key statistics for the Ottawa to St Louis route.
Route details
Time difference-1 hour
Airlines (nonstop)0
Origin: YOW
Full nameOttawa Macdonald-Cartier International Airport
IATA / ICAOYOW / CYOW
TimezoneAmerica/Toronto
Passengers/yr5.5M
Elevation374 ft / 114 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 YOW to SUS flights.
St Louis is 1 hour behind Ottawa.
Yes, return flights from SUS to YOW 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.