Cheapest one-way PIE–CUN flights, May

AirHint found the following cheapest one-way flights from St. Petersburg (PIE) to Cancun (CUN) in May 2026 (see full year).

One-Way flights

30 May Allegiant Air
08 May Allegiant Air
29 May Allegiant Air
31 May Allegiant Air
18 May Allegiant Air
09 May Allegiant Air
12 May Allegiant Air
04 May Allegiant Air
01 May Allegiant Air
05 May Allegiant Air

Also check the deals for return flights from St. Petersburg to Cancun in May.

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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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