Santo Domingo (SDQ) to Mexico City (MEX): 1,921 miles (3,091 km) great-circle, about 4h 20m nonstop by our estimate. Cheapest fare observed: $388 round-trip on Arajet, nonstop, departing July 9, 2026.
$388 round-trip, Arajet DM4164, departing 2026-07-09 at 19:59, returning 2026-07-17. The recorded itinerary left on a Thursday, returning on a Friday 8 nights later; the fare was observed 75 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $388, it ranked 9th of the 30 round-trip fares we recorded from SDQ (median $590). That is 20.2 cents per great-circle mile (round-trip price over one-way distance), below the SDQ median of 29.8 cents across 30 round-trip routes.
Routes from SDQ of similar length: Houston (1,786 mi) at $535 and Lima (2,164 mi) at $400.
Arajet had the cheapest fare on 11 of 30 SDQ routes. It is the 13th longest of the 30 routes we track from SDQ.
Of 24 departure airports with a fare to Mexico City, Santo Domingo (SDQ) ranked 16th at $388. Lowest: $73 from Guadalajara (GDL); highest: $1375 from Addis Ababa (ADD); 13 nonstop. Cheapest-fare airlines (routes): Volaris (6), Viva Aerobus (5), Aeromexico (4), Arajet (2), Copa (1) and Ethiopian (1), plus 5 more.
That depends on your passport and trip, so check the official source for Mexico: Instituto Nacional de Migracion (Mexico). 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/Santo_Domingo, America/Mexico_City; flight time is our estimate.