Cheapest return flights from Washington to Cancun in May from $339

Best time to book flights for Washington (IAD) to Cancun (CUN) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Cancun (CUN) in May 2025 (see full year).

Return flights

10 May - 14 May Frontier Airlines
03 May - 15 May Frontier Airlines
03 May - 05 May Frontier Airlines
09 May - 16 May Volaris El Salvador
14 May - 21 May Volaris El Salvador
08 May - 12 May Volaris El Salvador
20 May - 26 May Volaris El Salvador
20 May - 25 May Volaris El Salvador
14 May - 26 May Volaris El Salvador
15 May - 19 May Volaris El Salvador
27 May - 05 Jun Delta
27 May - 05 Jun United direct

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

Skyscanner

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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