Washington Dulles to Cancún International
1358 miles great-circle distance, typically flown in 3h 08m with 5 airlines operating direct service from Washington Dulles (IAD) to Cancún International (CUN). Cheapest fares are usually in January (around $169 return), with peak prices in August (around $507). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Washington Dulles
Washington Dulles International is United Airlines' Mid-Atlantic hub and the larger of the two Washington-region airports. Metro's Silver Line extension opened in 2022, running from the airport's underground station directly to downtown Washington DC in around 50 minutes for $7. International long-haul through IAD is the deepest of any DC-area airport, with United, BA, Virgin Atlantic, Lufthansa, Air France, Qatar, Emirates and Ethiopian all running daily flights to global hubs.
Arriving in Cancún
Cancún International is 16 km south of Cancún's hotel zone. ADO bus runs direct to the centre and the Riviera Maya for 110–230 MXN; private resort transfers cost $40–$80 per person. The route from the US is one of the busiest international corridors in the world, with daily fares from any major US hub. Hurricane season (June–November) brings cheaper fares and fewer crowds; peak demand is Christmas, spring break and US Thanksgiving.
Who flies IAD to CUN?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 3h 08m | Economy |
| Frontier Airlines | F9 | 3h 08m | Economy |
| American Airlines | AA | 3h 08m | Economy |
| Delta Air Lines | DL | 3h 08m | Economy |
| JetBlue Airways | B6 | 3h 08m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly IAD→CUN
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Washington to Cancún FAQs
Direct flights from Washington Dulles (IAD) to Cancún International (CUN) take approximately 3h 08m for the 1358-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $169. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
5 carriers operate direct service from Washington Dulles (IAD) to Cancún International (CUN): United Airlines, Frontier Airlines, American Airlines, Delta Air Lines and JetBlue Airways. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No visa required for US passport holders for stays up to 180 days. FMM tourist card included with airfare and issued at arrival. Always check travel.state.gov for the latest entry requirements before booking.
Cancún International (CUN) is the primary international airport for Cancún. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.