Route guide

St. Louis to Toronto (STL-YYZ): Nonstop Upgrade & Award Space

Air Canada flies nonstop between St. Louis (STL) and Toronto (YYZ), roughly 14 times a week. With Air Canada operating this route so often, premium seats still turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every STL to YYZ departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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14
Nonstop flights a week
654 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every STL to YYZ departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for St. Louis to Toronto to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each STL to YYZ departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See STL to YYZ on the interactive route map, with schedules, connections, and route statistics.

Airlines flying St. Louis to Toronto nonstop

Carriers operating STL to YYZ nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Air Canada
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Frequently asked questions about STL to YYZ

How far is Toronto from St. Louis?
STL to YYZ covers about 654 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from STL to YYZ?
Air Canada is currently the only airline flying STL to YYZ nonstop. 2LNR tracks confirmed upgrade and award space on every Air Canada departure.
How many flights a week are there from STL to YYZ?
About 14 nonstop flights a week run between St. Louis and Toronto in the current schedule, operated by Air Canada. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on STL to YYZ?
Open the STL to YYZ calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the St. Louis to Toronto route, and 2LNR will notify you when space opens. It's free to start.

Never miss STL to YYZ upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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