$84 Cheap flight deals from Chicago (CHI) to St. Mary's (YXU)
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This Weekend's Flight Deals from Chicago to St. Mary's
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $84 One Way, $210 Round Trip from Chicago to St. Mary's
Prices starting at $210 for return flights and $84 for one-way flights to St. Mary's were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
St. Mary's economy flight packages
Hilton Toronto/Markham Suites Conference Centre & Spa
May 22 - May 25
Chicago (CHI) to Toronto (YYZ)
Reviewed on Jan 21, 2026
Hotel Riu Plaza Toronto
May 19 - May 22
Chicago (CHI) to Toronto (YYZ)
Reviewed on Jan 10, 2026
Cambridge Suites Toronto
May 19 - May 22
Chicago (CHI) to Toronto (YYZ)
Reviewed on Dec 19, 2025
St. Mary's business class flight packages
Hilton Niagara Falls/Fallsview Hotel & Suites
May 18 - May 22
Chicago (ORD) to Toronto (YYZ)
Reviewed on Jan 5, 2026
Staybridge Suites Niagara-On-The-Lake by IHG
May 18 - May 22
Chicago (ORD) to Toronto (YYZ)
Reviewed on Dec 22, 2025
Staybridge Suites St Catharines Conf Ctr by IHG
May 18 - May 22
Chicago (ORD) to Toronto (YYZ)
Reviewed on Aug 28, 2025
More About Flying To St. Mary's from Chicago
Route Information for Flights from Chicago to St. Mary's
Origin Airport IATA Code | CHI |
|---|---|
Destination Airport IATA Code | YXU |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Chicago to St. Mary's
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.