Cheap flights from Ottawa to Costa Mesa

View AU$569 flight on Fri, 19 Sep. 2025Opens in a new window

Popular airlines from Ottawa to Costa Mesa

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Cheap Flights from Ottawa (YOW) 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.

United
Fri, 19 Sep. - Fri, 26 Sep.
YOW
Ottawa
ONT
Ontario
AU$1,113 Return, found 4 days ago
AU$1,113
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep. from Ottawa to Ontario, returning Fri, 26 Sep., priced at AU$1,113 found 4 days ago
Porter Airlines
Fri, 19 Sep. - Fri, 26 Sep.
YOW
Ottawa
ONT
Ontario
AU$1,125 Return, found 4 days ago
AU$1,125
Return
found 4 days ago
Select Porter Airlines flight, departing Fri, 19 Sep. from Ottawa to Ontario, returning Fri, 26 Sep., priced at AU$1,125 found 4 days ago
Air Canada
Fri, 19 Sep. - Fri, 26 Sep.
YOW
Ottawa
ONT
Ontario
AU$1,159 Return, found 4 days ago
AU$1,159
Return
found 4 days ago
Select Air Canada flight, departing Fri, 19 Sep. from Ottawa to Ontario, returning Fri, 26 Sep., priced at AU$1,159 found 4 days ago
United
Fri, 19 Sep. - Fri, 26 Sep.
YOW
Ottawa
ONT
Ontario
AU$1,164 Return, found 4 days ago
AU$1,164
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep. from Ottawa to Ontario, returning Fri, 26 Sep., priced at AU$1,164 found 4 days ago
United
Fri, 19 Sep. - Fri, 26 Sep.
YOW
Ottawa
ONT
Ontario
AU$1,172 Return, found 4 days ago
AU$1,172
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep. from Ottawa to Ontario, returning Fri, 26 Sep., priced at AU$1,172 found 4 days ago
Porter Airlines
Fri, 19 Sep. - Fri, 26 Sep.
YOW
Ottawa
ONT
Ontario
AU$1,176 Return, found 4 days ago
AU$1,176
Return
found 4 days ago
Select Porter Airlines flight, departing Fri, 19 Sep. from Ottawa to Ontario, returning Fri, 26 Sep., priced at AU$1,176 found 4 days ago

Find the cheapest month to fly from Ottawa (YOW) to Santa Ana (SNA)

February is typically the cheapest month to fly

From AU$397 - AU$1,159 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.