Cheap flights from Washington Dulles to Mexico City International from $249
Updated 2026-07-28
1865 miles great-circle distance, typically flown in 4h 09m with 5 airlines operating direct service from Washington Dulles (IAD) to Mexico City International (MEX). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.
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 Mexico City
Mexico City International (Benito Juárez) is on the eastern edge of the city, 7 km from the Zócalo. Metro Line 5 runs from Terminal 1 to Pantitlán in 12 minutes for 5 MXN — possibly the cheapest big-city airport transfer in the world. Mexico City fares from US bases hold steady through most of the year; March and December see modest peaks. AICM is increasingly congested — the new AIFA airport (NLU, 50 km north) handles overflow.
Who flies IAD to MEX?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 4h 09m | Economy |
| Frontier Airlines | F9 | 4h 09m | Economy |
| American Airlines | AA | 4h 09m | Economy |
| Delta Air Lines | DL | 4h 09m | Economy |
| JetBlue Airways | B6 | 4h 09m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Washington to Mexico City FAQs
Direct flights from Washington Dulles (IAD) to Mexico City International (MEX) take approximately 4h 09m for the 1865-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.
5 carriers operate direct service from Washington Dulles (IAD) to Mexico City International (MEX): 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.
Mexico City International (MEX) is the primary international airport for Mexico City. 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.