Dulles to Cancún (IAD–CUN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
IAD–CUN is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,357 miles in approximately 3h 42m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 14 | 739, 7M9 | 3h42 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Cancún from Dulles
| Metric | IAD→CUN | BWI→CUN |
|---|---|---|
| Distance from IAD | – | 45 mi |
| Nonstop airlines | 1 | 4 |
| Weekly flights | 14 | 27 |
| Flight time | 3h 42m | 3h 21m |
| Departure OTP | 84% | – |
Travel Essentials
IAD: EDT · CUN: EST
When it's 6:00 PM in Dulles, it's 5:00 PM in Cancún.
US citizens enter Mexico visa-free for up to 180 days for tourism. Complete the immigration form (FMM) online or on arrival; the online version speeds up processing. Passport must be valid for the duration of stay.
Duty-free allowances: USD 500 in goods. Mexico prohibits importing certain foods and medications without documentation. Declare cash over USD 10,000.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
Authorised airport taxis operate from a voucher desk inside each terminal. Fares to the Hotel Zone run MXN 350–550 (USD $17–28) and to downtown Cancún MXN 200–300. Purchase tickets inside before exiting to avoid touts. ADO buses depart from outside Terminal 2 to downtown Cancún for MXN 102 and continue to Playa del Carmen and Tulum.The Tren Maya connects Terminal 4 to Playa del Carmen, Tulum, and the broader Yucatán Peninsula. Car rental desks are located in all terminals; driving is straightforward on Highway 307.
Tropical climate with two distinct seasons. Dry season (December–April) brings warm, sunny weather at 25–32°C with low humidity, the peak tourist season and most reliable flying conditions. Wet season (May–November) is hot, humid, and prone to heavy afternoon downpours; thunderstorms can cause short ground delays.
Hurricane season runs June through November, peaking in September–October. Major storms (e.g., Wilma 2005, Zeta 2020) can close the airport for 12–48 hours. Monitor forecasts carefully from August through October. September is statistically the highest-risk month.
IAD–CUN Quick Facts
Frequently Asked Questions
Flights from IAD to CUN
Washington Dulles International Airport (IAD) and Cancún International Airport (CUN) are connected by nonstop service from United Airlines. With 14 weekly departures, this is a well served route.
IAD to CUN Flight Duration and Schedule
Nonstop flight time from IAD to CUN is about 3 hours 42 minutes gate to gate. The route covers a distance of 1,357 miles (2,184 km). There are approximately 14 weekly flights outbound and 14 return, totaling 28 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Orlando, Hartsfield Jackson Atlanta and Charlotte Douglas. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).