IAD to CUN from $161 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Washington Dulles International Airport

Washington, United States

Cancún International Airport

Cancún, Mexico

$201 USD

-20%$161 USD

Verified about 6 hours ago

September 2026

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31$161 1$161 2$165 3$243 4$165 5$165 6$161 7$161 8$161 9$161 10$165 11$161 12$161 13$161 14$161 15$161 16$161 17$165 18$165 19$165 20$165 21$161 22$161 23$161 24$161 25$161 26$161 27$161 28$161 29$161 30$161 1$179 2$161 3$161 4$161

Great Availability

72% of dates checked are available within 10% of the lowest price

Saturday, September 5th, 2026

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