IAD to CUN from $714 in business – flightdeals.net

Home Premium Fare Deals About

United Airlines

UAUnited Airlines

Round Trip•Business Class

Washington Dulles International Airport

Washington, United States

Cancún International Airport

Cancún, Mexico

$1,042 USD

-31%$714 USD

Verified 7 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$714 1$724 2$992 3$1,722 4$957 5$835 6$813 7$714 8$724 9$866 10$962 11$792 12$792 13$714 14$719 15$714 16$909 17$861 18$792 19$854 20$714 21$714 22$714 23$741 24$792 25$714 26$714 27$719 28$714 29$714 30$852 1$859 2$779 3$719 4$714

Limited Availability

16% of dates checked are available within 10% of the lowest price

Monday, September 14th, 2026

5 round-trip options

Returning

Sat, Sep 19, 2026•5 Day Trip

$729 USD

Returning

Mon, Sep 21, 2026•7 Day Trip

$991 USD

Returning

Thu, Sep 24, 2026•10 Day Trip

$719 USD

Returning

Fri, Sep 25, 2026•11 Day Trip

$719 USD

Returning

Sun, Sep 27, 2026•13 Day Trip

$866 USD