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Cancún (CUN) to Washington (IAD) flight deal in economy from $177
UA
United Airlines
One Way
•
Economy
CUN
Cancún International Airport
Cancún, Mexico
IAD
Washington Dulles International Airport
Washington, United States
$245 USD
-28%
$177
USD
Verified about 6 hours ago
June 2026
Today
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$323
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$303
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$298
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$323
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$397
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$225
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$201
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$207
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$207
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$207
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$265
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$324
Great Availability
63% of dates checked are available within 10% of the lowest price
Wednesday, June 17th, 2026
No flight details available for this date.
CUN
IADCUNIADCUNIAD