Flights From St. Louis (STL) to Costa Mesa (QLA)

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Selected fares from St. Louis to Costa Mesa

The cheapest prices found with in the last 7 days for return flights were CA $574 and CA $1,125 for one-way flights to Costa Mesa for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed., 19 Mar. - Wed., 26 Mar.
STL
Lambert-St. Louis Intl.
ONT
Los Angeles - Ontario Intl.
CA $574 Roundtrip, found 2 days ago
CA $574
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed., 19 Mar. from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed., 26 Mar., priced at CA $574 found 2 days ago
Alaska Airlines
Wed., 19 Mar. - Wed., 26 Mar.
STL
Lambert-St. Louis Intl.
ONT
Los Angeles - Ontario Intl.
CA $595 Roundtrip, found 2 days ago
CA $595
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed., 19 Mar. from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed., 26 Mar., priced at CA $595 found 2 days ago
Alaska Airlines
Wed., 19 Mar. - Wed., 26 Mar.
STL
Lambert-St. Louis Intl.
ONT
Los Angeles - Ontario Intl.
CA $731 Roundtrip, found 2 days ago
CA $731
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed., 19 Mar. from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed., 26 Mar., priced at CA $731 found 2 days ago