Need help booking?
Unpublished phone-only deals available
HIO to YEC: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Yechon (Yecheon Airbase)
5,236 mi
8,426 km · 4,550 nm
10h 44m
estimated nonstop flight time
+17h
time difference · heading northwest
See live HIO→YEC fares Phone-only fares on this route — call free
Flight time details
5,236 miles nonstop takes roughly 10h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Near YEC
Frequently asked questions
How far is HIO from YEC?
The flight distance from Hillsboro (HIO) to Yechon (YEC) is 5,236 miles (8,426 km, 4,550 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to YEC?
A nonstop flight takes about 10h 44m 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 HIO to YEC?
Nonstop service on HIO–YEC 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 10h 44m nonstop estimate.
What is the time difference between Hillsboro and Yechon?
Yechon is 17 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to YEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–YEC that never appear on search engines, with no booking fees.
Why are some HIO to YEC fares phone-only?
Consolidator contracts let us sell certain HIO–YEC 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.