AirHint found the following cheapest return flights from Houston (IAH) to Waterloo (YKF) in June 2025 (see full year).

Return flights

24 Jun - 03 Jul	WestJet
13 Jun - 17 Jun	WestJet
06 Jun - 09 Jun	WestJet
18 Jun - 29 Jun	WestJet
19 Jun - 23 Jun	WestJet
18 Jun - 25 Jun	WestJet
02 Jun - 08 Jun	WestJet
04 Jun - 10 Jun	WestJet
04 Jun - 11 Jun	WestJet
05 Jun - 07 Jun	WestJet
26 Jun - 30 Jun	WestJet
30 Jun - 06 Jul	WestJet

Also check the deals for one-way flights from Houston to Waterloo in June.

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 Houston to Waterloo in June from $840

Return flights