AirHint found the following cheapest return flights from Ottawa (YOW) to Cancun (CUN) in May 2026 (see full year).

Return flights

02 May - 08 May	United
05 May - 19 May	United
06 May - 12 May	United
03 May - 12 May	United
13 May - 03 Jun	United
12 May - 02 Jun	United
13 May - 02 Jun	United
12 May - 14 May	WestJet
19 May - 09 Jun	WestJet
19 May - 05 Jun	WestJet
06 May - 20 May	United
29 May - 02 Jun	United
12 May - 02 Jun	Porter Airlines (Canada) Ltd	direct
02 May - 23 May	United
05 May - 27 May	United
29 May - 02 Jun	Porter Airlines (Canada) Ltd	direct
03 May - 09 May	United
02 May - 09 May	United
20 May - 10 Jun	United
19 May - 05 Jun	Porter Airlines (Canada) Ltd	direct

Also check the deals for one-way flights from Ottawa to Cancun in May.

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 Ottawa to Cancun in May from 289€

Return flights