Washington (IAD) to Cancún (CUN) flight deal in economy from $334

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
MexicoCUN

Cancún International Airport

Cancún, Mexico
$452 USD
-26%$334 USD
Verified about 12 hours ago
Good Availability
52% of dates checked are available within 10% of the lowest price

Wednesday, December 23rd, 2026

10 round-trip options

Returning
Mon, Dec 28, 2026•5 Day Trip
$737 USD
Google Flights
Returning
Tue, Dec 29, 2026•6 Day Trip
$849 USD
Google Flights
Returning
Wed, Dec 30, 2026•7 Day Trip
$849 USD
Google Flights
Returning
Thu, Dec 31, 2026•8 Day Trip
$849 USD
Google Flights
Returning
Fri, Jan 1, 2027•9 Day Trip
$1,318 USD
Google Flights
Returning
Sat, Jan 2, 2027•10 Day Trip
$1,651 USD
Google Flights
Returning
Sun, Jan 3, 2027•11 Day Trip
$1,438 USD
Google Flights
Returning
Mon, Jan 4, 2027•12 Day Trip
$878 USD
Google Flights
Returning
Tue, Jan 5, 2027•13 Day Trip
$763 USD
Google Flights
Returning
Wed, Jan 6, 2027•14 Day Trip
$701 USD
Google Flights