Lowest Prices
Uncover the best deals on Washington to Cancún flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Washington Dulles International to Cancún International on your next trip.
Cheapest Round Trip Flight
$430
Frontier Airlines
• 1 stop
• 26h 42m
Dec 16 – Dec 28
The cheapest round trip flight from Washington to Cancún (IAD-CUN-IAD) is currently $430
Cheapest Direct Flight
$536
Southwest Airlines
• nonstop
• 5h 45m
Nov 09
The cheapest nonstop flight from Washington to Cancún (IAD-CUN) is currently $536
Fastest Flight
5h 45m
The fastest nonstop flight from Washington to Cancún (IAD-CUN) takes 5h 45m
| Origin Airport | Washington Dulles International , Washington, US |
| Destination Airport | Cancún International , Cancún, MX |
| Distance | 1355 miles |