Cancún (CUN) to Washington (IAD) flight deal in economy from $177

United AirlinesUAUnited Airlines
One Way•Economy
MexicoCUN

Cancún International Airport

Cancún, Mexico
United StatesIAD

Washington Dulles International Airport

Washington, United States
$245 USD
-28%$177 USD
Verified about 3 hours ago
Great Availability
63% of dates checked are available within 10% of the lowest price

Monday, June 29th, 2026

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