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Flights from St Louis to Ottawa
There are no direct flights from St Louis to Ottawa. The fastest way is one stop via Chicago or Toronto, about 4h 14m door to door (68 connections a week on current schedules).
No direct flights · 6 connection options From 4h 14m
St Louis to Ottawa at a glance
Fastest journey4h 14mVia Chicago, on current schedules
Nonstop flightsNoneConnect via Chicago or Toronto
Best ways to fly from St Louis to Ottawa
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
STL Chicago (ORD) YOW
Leg 1: American Airlines, United Airlines, GoJet Airlines · Leg 2: United Airlines, Republic Airlines
Tue17:30 STL18:43 ORD1h 17m connection20:00 ORD22:44 YOWUnited Airlines
2Search
STL Toronto (YYZ) YOW
Leg 1: Air Canada, Air Canada Jazz · Leg 2: Air Canada, Porter Airlines, WestJet
Mon09:00 STL11:43 YYZ2h 32m connection14:15 YYZ15:08 YOWAir Canada Jazz + Air Canada
3Search
STL Boston (BOS) YOW
Leg 1: Southwest Airlines, Republic Airlines, Envoy Air · Leg 2: Porter Airlines
Wed10:30 STL13:52 BOS2h 08m connection16:00 BOS17:15 YOWSouthwest Airlines + Porter Airlines
4Search
STL New York (EWR) YOW
Leg 1: United Airlines, Republic Airlines · Leg 2: Porter Airlines, Republic Airlines
Mon09:30 STL12:39 EWR2h 21m connection15:00 EWR16:24 YOWRepublic Airlines + Porter Airlines
5Search
STL Montreal (YUL) YOW
Leg 1: Air Canada, Air Canada Jazz · Leg 2: Air Canada, Air Transat, PAL Airlines
Sat12:15 STL15:39 YUL3h 36m connection19:15 YUL19:42 YOWAir Canada Jazz + PAL Airlines
6Search
STL Washington (IAD) YOW
Leg 1: GoJet Airlines · Leg 2: Republic Airlines, GoJet Airlines
Sun08:30 STL11:26 IAD11h 19m connection22:45 IAD00:07 YOWGoJet Airlines + Republic Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 1,412 km877 miles
- Journey time
- 4h 14mon current schedules
- Time difference
- +1hOttawa vs St Louis
- Currency in Ottawa
- CAD
- Airports
- STL → YOW
Flights from St Louis to Ottawa: questions answered
Are there direct flights from St Louis to Ottawa?
No. There is no nonstop service, so you will connect, most easily in Chicago, Toronto and Boston. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from St Louis to Ottawa?
With one connection the journey usually takes around 4h 14m, depending on the layover. The straight-line distance is 1,412 km.
Where do you change planes between St Louis and Ottawa?
The best connecting points are Chicago (ORD), Toronto (YYZ), Boston (BOS) and New York (EWR). American Airlines flies both legs via Chicago, so you can book it as one ticket.
Which airports serve St Louis and Ottawa?
St Louis: St. Louis Lambert International Airport (STL). Ottawa: Ottawa Macdonald-Cartier International Airport (YOW).
What is the time difference between St Louis and Ottawa?
Ottawa is 1 hour ahead of St Louis.
