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SFO to YEC: distance & flight time
San Francisco (San Francisco International Airport) → Yechon (Yecheon Airbase)
5,605 mi
9,020 km · 4,870 nm
11h 27m
estimated nonstop flight time
+16h
time difference · heading northwest
See live SFO→YEC fares Phone-only fares on this route — call free
Flight time details
5,605 miles nonstop takes roughly 11h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, United States
- YEC — Yecheon Airbase · Yechon, South Korea
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 SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Near YEC
Frequently asked questions
How far is SFO from YEC?
The flight distance from San Francisco (SFO) to Yechon (YEC) is 5,605 miles (9,020 km, 4,870 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFO to YEC?
A nonstop flight takes about 11h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Francisco and Yechon?
Yechon is 16 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to YEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–YEC that never appear on search engines, with no booking fees.