Mexico City (MEX) to Miami (MIA): 1,274 miles (2,051 km) great-circle, about 3h 05m nonstop by our estimate. Cheapest fare observed: $302 round-trip on United Airlines, with 1 stop, departing May 5, 2026.
$302 round-trip, United Airlines UA1089, departing 2026-05-05 at 09:35, returning 2026-05-17. The recorded itinerary left on a Tuesday, returning on a Sunday 12 nights later; the fare was observed 10 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $302, it ranked 15th of the 30 round-trip fares we recorded from MEX (median $329). That is 23.7 cents per great-circle mile (round-trip price over one-way distance), above the MEX median of 18.3 cents across 30 round-trip routes.
Routes from MEX of similar length: Tijuana (1,430 mi) at $183 and Havana (1,100 mi) at $467.
United Airlines had the cheapest fare on 3 of 30 MEX routes. It is the 18th longest of the 30 routes we track from MEX.
Of 30 departure airports with a fare to Miami, Mexico City (MEX) ranked 22nd at $302. Lowest: $72 from Atlanta (ATL); highest: $1627 from Wellington (WLG); 10 nonstop. Cheapest-fare airlines (routes): Frontier (13), Spirit (4), Southwest (3), American Airlines (2), Arajet (2) and Avianca (1), plus 5 more.
That depends on your passport and trip, so check the official source for United States: U.S. Customs and Border Protection: international visitors. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Mexico_City, America/New_York; flight time is our estimate.