San Diego (SAN) to Moscow (MOW): 6,127 miles (9,861 km) great-circle, about 12h 45m nonstop by our estimate. Cheapest fare observed: $1670 round-trip on KLM, with 2 stops, departing May 26, 2026.
$1670 round-trip, KLM KL640, departing 2026-05-26 at 13:40, returning 2026-06-29. The recorded itinerary left on a Tuesday, returning on a Monday 34 nights later; the fare was observed 31 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1670, it ranked 30th of the 30 round-trip fares we recorded from SAN (median $279). That is 27.3 cents per great-circle mile (round-trip price over one-way distance), above the SAN median of 15.0 cents across 30 round-trip routes.
Routes from SAN of similar length: Barcelona (6,029 mi) at $869 and Madrid (5,842 mi) at $770.
SAN to MOW is the only one of 30 SAN routes where KLM priced cheapest. It is the 2nd longest of the 30 routes we track from SAN.
Of 130 departure airports with a fare to Moscow, San Diego (SAN) ranked 113th at $1670. Lowest: $213 from Delhi (DEL); highest: $2476 from Havana (HAV); 3 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (11), Etihad (8), Qatar (6), Icelandair (5), Wizz Air (5) and Air China (4), plus 53 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Europe/Moscow; flight time is our estimate.