AirHint found the following cheapest return flights from Washington (IAD) to Cancun (CUN) in June 2026 (see full year).

Return flights

08 Jun - 15 Jun	Volaris El Salvador
21 Jun - 24 Jun	Air Canada
22 Jun - 26 Jun	Air Canada
14 Jun - 20 Jun	Air Canada
07 Jun - 14 Jun	Air Canada
24 Jun - 29 Jun	Air Canada
24 Jun - 28 Jun	Air Canada
12 Jun - 17 Jun	Air Canada
05 Jun - 11 Jun	Air Canada
18 Jun - 22 Jun	Air Canada
25 Jun - 01 Jul	Air Canada
30 Jun - 08 Jul	Delta
28 Jun - 05 Jul	Air Canada
27 Jun - 04 Jul	Air Canada
28 Jun - 05 Jul	United	direct
30 Jun - 05 Jul	United

Also check the deals for one-way flights from Washington to Cancun 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 Washington to Cancun in June from $419

Return flights