AirHint found the following cheapest return flights from Waterloo (YKF) to Los Angeles (LAX) in August 2025 (see full year).

Return flights

29 Aug - 04 Sep	WestJet
29 Aug - 03 Sep	WestJet
28 Aug - 05 Sep	WestJet
31 Aug - 04 Sep	WestJet
28 Aug - 04 Sep	WestJet
20 Aug - 25 Aug	WestJet
29 Aug - 02 Sep	WestJet
06 Aug - 14 Aug	Flair Airlines
22 Aug - 30 Aug	WestJet
24 Aug - 30 Aug	WestJet
27 Aug - 30 Aug	WestJet
22 Aug - 27 Aug	WestJet
20 Aug - 27 Aug	WestJet
12 Aug - 17 Aug	WestJet
15 Aug - 17 Aug	WestJet
02 Aug - 19 Aug	Flair Airlines
30 Aug - 06 Sep	WestJet
30 Aug - 01 Sep	WestJet
21 Aug - 02 Sep	WestJet
30 Aug - 02 Sep	WestJet

Also check the deals for one-way flights from Waterloo to Los Angeles in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Waterloo to Los Angeles in August from 191€

Return flights