Dulles (IAD) to Cancun (CUN) flights
One airline flies nonstop from Dulles (IAD) to Cancun (CUN): United Airlines. The two airports are 1,358 miles (2,186 km) apart. United Airlines is in Star Alliance. There are also 38 ways to fly it with one stop, through Raleigh/Durham, Charleston and Tampa and more.
Airlines flying nonstop from IAD to CUN
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to CUN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAD to CUN with one stop
38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Raleigh/Durham (RDU)United Airlines, then American Airlines, Delta Air Lines and 1 more
- Via Charleston (CHS)United Airlines, then Breeze Airways
- Via Tampa (TPA)United Airlines and Frontier Airlines, then JetBlue Airways and Breeze Airways
- Via Charlotte (CLT)American Airlines the whole way
- Via Richmond (RIC)United Airlines, then Breeze Airways
- Via Orlando (MCO)Frontier Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via Norfolk (ORF)United Airlines, then Breeze Airways
- Via Fort Lauderdale (FLL)United Airlines and Frontier Airlines, then JetBlue Airways
- Via Miami (MIA)American Airlines the whole way
- Via Pittsburgh (PIT)United Airlines, then American Airlines, Southwest Airlines and 1 more
- Via Nashville (BNA)United Airlines, then American Airlines, Delta Air Lines and 1 more
- Via Philadelphia (PHL)United Airlines, then American Airlines and Frontier Airlines
- Via New Orleans (MSY)United Airlines, then Southwest Airlines and Breeze Airways
- Via Columbus (CMH)United Airlines, then Southwest Airlines and American Airlines
IAD to CUN: common questions
Which airlines fly nonstop from IAD to CUN?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Cancun (CUN).
How far is Dulles from Cancun by plane?
Dulles (IAD) and Cancun (CUN) are 1,358 miles (2,186 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to CUN award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to CUN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to CUN with taxes and fees.
Where can I connect between Dulles and Cancun?
The most direct connections are through Raleigh/Durham (RDU), Charleston (CHS), Tampa (TPA), Charlotte (CLT) and Richmond (RIC). On 17 of them the same airline flies both flights, for example American Airlines through Charlotte.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.