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Flights from Thunder Bay to St Louis
There are no direct flights from Thunder Bay to St Louis. The fastest way is one stop via Toronto, about 8h 21m door to door (6 connections a week on current schedules).
No direct flights · 1 connection option From 8h 21m
Thunder Bay to St Louis at a glance
Fastest journey8h 21mVia Toronto, on current schedules
Nonstop flightsNoneConnect via Toronto
Best ways to fly from Thunder Bay to St Louis
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
YQT Toronto (YYZ) STL
Leg 1: Air Canada, Air Canada Rouge, Flair Airlines · Leg 2: Air Canada, Air Canada Jazz
Sun06:30 YQT07:57 YYZ5h 03m connection13:00 YYZ13:51 STLPorter Airlines + Air Canada Jazz
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
- 1,087 km675 miles
- Journey time
- 8h 21mon current schedules
- Time difference
- -1hSt Louis vs Thunder Bay
- Currency in St Louis
- USD
- Airports
- YQT → STL
Flights from Thunder Bay to St Louis: questions answered
Are there direct flights from Thunder Bay to St Louis?
No. There is no nonstop service, so you will connect, most easily in Toronto. 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 Thunder Bay to St Louis?
With one connection the journey usually takes around 8h 21m, depending on the layover. The straight-line distance is 1,087 km.
Where do you change planes between Thunder Bay and St Louis?
The best connecting points are Toronto (YYZ). Air Canada flies both legs via Toronto, so you can book it as one ticket.
Which airports serve Thunder Bay and St Louis?
Thunder Bay: Thunder Bay International Airport (YQT). St Louis: St. Louis Lambert International Airport (STL).
What is the time difference between Thunder Bay and St Louis?
St Louis is 1 hour behind Thunder Bay.




