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KOS to SJC: distance & flight time
Sihanoukville (Sihanoukville International Airport) → San Jose (Norman Y. Mineta San Jose International Airport)
8,002 mi
12,879 km · 6,954 nm
16h 9m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KOS→SJC fares Phone-only fares on this route — call free
Flight time details
8,002 miles nonstop takes roughly 16h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- SJC — Norman Y. Mineta San Jose International Airport · San Jose, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near SJC
Frequently asked questions
How far is KOS from SJC?
The flight distance from Sihanoukville (KOS) to San Jose (SJC) is 8,002 miles (12,879 km, 6,954 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SJC?
A nonstop flight takes about 16h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from KOS to SJC?
Nonstop service on KOS–SJC depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 9m nonstop estimate.
What is the time difference between Sihanoukville and San Jose?
San Jose is 14 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to SJC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SJC that never appear on search engines, with no booking fees.
Why are some KOS to SJC fares phone-only?
Consolidator contracts let us sell certain KOS–SJC tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.