
$54 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 $54 One Way, $151 Round Trip from Chicago to St. Mary's
Prices starting at $151 for return flights and $54 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

Sterling Inn & Spa - an Ontario's Finest Inn
Aug 30 - Sep 1
Chicago (CHI) to Toronto (YYZ)
Toronto (YYZ) to Chicago (CHI)
Reviewed on Jul 5, 2025

1 Hotel Toronto
Sep 19 - Sep 21
Chicago (MDW) to Toronto (YYZ)
Reviewed on Oct 31, 2021

GLOBALSTAY. Maple Leaf Square
Sep 19 - Sep 21
Chicago (MDW) to Toronto (YYZ)
Reviewed on Aug 12, 2019
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 | 436 mi |
Direct Flight Airlines | American Airlines, Qatar Airways, JAL, Air Canada, EgyptAir, Copa Airlines, Air New Zealand, United Airlines, Alaska Airlines, Qantas, Royal Jordanian, Finnair, Iberia, ANA, British Airways |
Earliest Flight Arrival | 1:58PM UTC |
Latest Flight Arrival | 3:58AM UTC |
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.