Get the exact flight time from Washington Dulles International Airport, Washington, DC, United States to Cancun International Airport, Cancun, Mexico. IAD - CUN flight time by direct and one stop flight. Distance between IAD & CUN is approximately 2190 kilometers.

Departure
IAD Arrival
CUN

Flight time from IAD to CUN is 3 hours 35 minutes

United Airlines is one of the direct flight which takes 3 hours 35 minutes to travel from Washington Dulles International Airport (IAD) to Cancun International Airport (CUN)

Return flight time from CUN to IAD

RELATED: Flight time from Cancun to Washington, DC (all airports)

Direct flight time from Washington, DC to Cancun by different airlines

Journey	Duration	Airline
Washington, DC (IAD) ➝ Cancun (CUN)	3 hours 49 minutes	Austrian Airlines
Washington, DC (IAD) ➝ Cancun (CUN)	3 hours 57 minutes	AeroMéxico
Washington, DC (IAD) ➝ Cancun (CUN)	3 hours 35 minutes	United Airlines

Washington, DC time is 1 hour ahead of Cancun

	Current time in Washington, DC, United States : Thu, 11 Jun, 2026, Washington, DC Timezone: EDT (-04:00)	11:11 PM
	Current time in Cancun, Mexico :, Thu, 11 Jun, 2026, Cancun Timezone: EST (-05:00)	10:11 PM

Airlines operating between Washington, DC and Cancun

AeroMéxico
Delta Air Lines
United Airlines

IAD, Washington, DC - CUN, Cancun Flight Time

How long is the flight from Washington Dulles International Airport to Cancun International Airport? What is the IAD - CUN flight duration? What is the flying time from Washington, DC to Cancun?

The airports map below shows the location of Washington, DC Airport & Cancun Airport and also the flight direction.

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