Dulles to Mexico City (IAD–MEX) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–MEX is served by 2 airlines with nonstop service. Aeromexico and United Airlines lead the route. The flight covers 1,866 miles in approximately 4h 56m. Beyond nonstop, 50 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AM Aeromexico | 7 | 7M8 | 5h15 | SkyTeam | – | |
| UA United Airlines | 7 | B38M | 4h56 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
IAD: EDT · MEX: CST
When it's 6:00 PM in Dulles, it's 4:00 PM in Mexico City.
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).
Use only authorized airport taxis (purchase vouchers at official booths inside arrivals; do not take street taxis outside). Rates are zone-based: Centro/Zócalo MXN$180–250, Polanco MXN$250–320, Santa Fe MXN$350–450. Uber is not permitted for airport pickup at T1 (walk to street level at T2 to use Uber).Metrobús Line 4 to Buenavista (Metro hub) takes 30–40 min (MXN$12); a solid budget option. Metro Line 5 serves Terminal Aérea (T1). ADO buses depart from T1 to Puebla, Querétaro, and other cities. A second airport (AIFA, NLU) exists northeast of the city; confirm which airport your flight uses.
High-altitude subtropical climate at 2,240m. Temperatures are mild year-round (7–22°C) with little seasonal variation, no extreme heat or cold. The rainy season (May–October) brings daily afternoon thunderstorms, typically between 3–7pm, which frequently cause delays and can be intense. Hail is possible.
Dry season (November–April) offers the most reliable flying conditions. The airport's elevation means aircraft have reduced performance on hot days. Dense morning smog is common in winter inversions and occasionally reduces visibility. Earthquake risk (significant for Mexico City) has no direct flight impact but is worth knowing.
IAD–MEX Quick Facts
Frequently Asked Questions
Flights from IAD to MEX
Washington Dulles International Airport (IAD) and Mexico City Benito Juárez International Airport (MEX) are connected by nonstop service from Aeromexico and United Airlines. With 14 weekly departures, this is a well served route.
IAD to MEX Flight Duration and Schedule
Nonstop flight time from IAD to MEX ranges from 4 hours 56 minutes to 5 hours 15 minutes. The route covers a distance of 1,866 miles (3,002 km). There are approximately 14 weekly flights outbound and 14 return, totaling 28 flights per week in both directions.
Connecting Options and Alternatives
50 one-stop connections are available, with the fastest taking approximately 7 hours via PVR. Two-stop connections are also available via intermediate hubs.