Flights to Southwest Illinois from Montreal - ￥42,550

View ￥42,550 flight on Sun, Aug 24, 2025Opens in a new window

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Cheap Flights from Montreal to Southwest Illinois (YMQ-STL)

Prices were available within the past 7 days and start at ￥42,550 for one-way flights and ￥69,093 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Aug 24 - Sun, Aug 31
YUL
Montreal
STL
St. Louis
￥69,093 Roundtrip, found 2 hours ago
￥69,093
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Montreal to St. Louis, returning Sun, Aug 31, priced at ￥69,093 found 2 hours ago
American Airlines
Sun, Aug 24 - Sun, Aug 31
YUL
Montreal
STL
St. Louis
￥73,396 Roundtrip, found 2 hours ago
￥73,396
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Montreal to St. Louis, returning Sun, Aug 31, priced at ￥73,396 found 2 hours ago
Delta
Sun, Aug 24 - Sun, Aug 31
YUL
Montreal
STL
St. Louis
￥75,350 Roundtrip, found 2 hours ago
￥75,350
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Aug 24 from Montreal to St. Louis, returning Sun, Aug 31, priced at ￥75,350 found 2 hours ago
Air Canada
Sun, Aug 24 - Sun, Aug 31
YUL
Montreal
STL
St. Louis
￥77,040 Roundtrip, found 2 hours ago
￥77,040
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sun, Aug 24 from Montreal to St. Louis, returning Sun, Aug 31, priced at ￥77,040 found 2 hours ago
United
Sun, Aug 24 - Sun, Aug 31
YUL
Montreal
STL
St. Louis
￥78,390 Roundtrip, found 2 hours ago
￥78,390
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Aug 24 from Montreal to St. Louis, returning Sun, Aug 31, priced at ￥78,390 found 2 hours ago
WestJet
Sun, Aug 24 - Sun, Aug 31
YUL
Montreal
STL
St. Louis
￥85,740 Roundtrip, found 2 hours ago
￥85,740
Roundtrip
found 2 hours ago
Select WestJet flight, departing Sun, Aug 24 from Montreal to St. Louis, returning Sun, Aug 31, priced at ￥85,740 found 2 hours ago
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