Cheap flights from Montreal to Costa Mesa

View AU$328 flight on Mon, 18 Aug. 2025Opens in a new window

Popular airlines from Montreal to Costa Mesa

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Cheap Flights from Montreal (YMQ) to Costa Mesa (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 18 Aug. - Mon, 25 Aug.
YUL
Montreal
SNA
Orange County
AU$553 Return, found 3 days ago
AU$553
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug. from Montreal to Orange County, returning Mon, 25 Aug., priced at AU$553 found 3 days ago
Air Canada
Mon, 18 Aug. - Mon, 25 Aug.
YUL
Montreal
SNA
Orange County
AU$572 Return, found 3 days ago
AU$572
Return
found 3 days ago
Select Air Canada flight, departing Mon, 18 Aug. from Montreal to Orange County, returning Mon, 25 Aug., priced at AU$572 found 3 days ago
Delta
Mon, 18 Aug. - Mon, 25 Aug.
YUL
Montreal
SNA
Orange County
AU$608 Return, found 3 days ago
AU$608
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Aug. from Montreal to Orange County, returning Mon, 25 Aug., priced at AU$608 found 3 days ago
United
Mon, 18 Aug. - Mon, 25 Aug.
YUL
Montreal
SNA
Orange County
AU$681 Return, found 3 days ago
AU$681
Return
found 3 days ago
Select United flight, departing Mon, 18 Aug. from Montreal to Orange County, returning Mon, 25 Aug., priced at AU$681 found 3 days ago
American Airlines
Mon, 18 Aug. - Mon, 25 Aug.
YUL
Montreal
SNA
Orange County
AU$705 Return, found 3 days ago
AU$705
Return
found 3 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Montreal to Orange County, returning Mon, 25 Aug., priced at AU$705 found 3 days ago
WestJet
Mon, 18 Aug. - Mon, 25 Aug.
YUL
Montreal
SNA
Orange County
AU$2,107 Return, found 3 days ago
AU$2,107
Return
found 3 days ago
Select WestJet flight, departing Mon, 18 Aug. from Montreal to Orange County, returning Mon, 25 Aug., priced at AU$2,107 found 3 days ago
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