AirHint found the following cheapest return flights from Waterloo (YKF) to Amsterdam (AMS) in September 2025 (see full year).

Return flights

28 Sep - 04 Oct	Flair Airlines
25 Sep - 27 Oct	WestJet
25 Sep - 26 Oct	WestJet
25 Sep - 20 Oct	WestJet
20 Sep - 25 Sep	WestJet
25 Sep - 05 Oct	WestJet
29 Sep - 06 Oct	WestJet
16 Sep - 25 Sep	WestJet
19 Sep - 21 Sep	WestJet
22 Sep - 03 Oct	WestJet
25 Sep - 06 Oct	WestJet
19 Sep - 11 Oct	WestJet
18 Sep - 25 Sep	WestJet
11 Sep - 17 Sep	WestJet
19 Sep - 30 Sep	WestJet
09 Sep - 13 Sep	WestJet
08 Sep - 20 Sep	WestJet
15 Sep - 11 Oct	WestJet
05 Sep - 13 Sep	WestJet
06 Sep - 13 Sep	WestJet

Also check the deals for one-way flights from Waterloo to Amsterdam in September.

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.

Book a cheap hotel in Amsterdam

Cheap car rent in Amsterdam

Cheapest return flights from Waterloo to Amsterdam in September from 668€

Return flights