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IAD to CUN: distance & flight time
Washington (Washington Dulles International Airport) → Cancun (Cancún International Airport)
1,358 mi
2,185 km · 1,180 nm
3h 25m
estimated nonstop flight time
-1h
time difference · heading southwest
See live IAD→CUN fares Phone-only fares on this route — call free
Flight time details
1,358 miles nonstop takes roughly 3h 25m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- CUN — Cancún International Airport · Cancun, Mexico
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAD
Near CUN
- ISJ · Isla Mujeres Airport17 mi away
- CZM · Cozumel International Airport36 mi away
- CZA · Chichen Itza International Airport105 mi away
Frequently asked questions
How far is IAD from CUN?
The flight distance from Washington (IAD) to Cancun (CUN) is 1,358 miles (2,185 km, 1,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to CUN?
A nonstop flight takes about 3h 25m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Washington and Cancun?
Cancun is 1 hour behind Washington.
What is the cheapest way to fly from IAD to CUN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–CUN that never appear on search engines, with no booking fees.