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TTD to YEC: distance & flight time
Troutdale (Portland Troutdale Airport) → Yechon (Yecheon Airbase)
5,256 mi
8,459 km · 4,568 nm
10h 46m
estimated nonstop flight time
+17h
time difference · heading northwest
See live TTD→YEC fares Phone-only fares on this route — call free
Flight time details
5,256 miles nonstop takes roughly 10h 46m 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
- TTD — Portland Troutdale Airport · Troutdale, 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 TTD
- PDX · Portland International Airport10 mi away
- HIO · Portland Hillsboro Airport27 mi away
- KLS · Southwest Washington Regional Airport46 mi away
- SLE · Salem Municipal Airport/McNary Field53 mi away
Near YEC
Frequently asked questions
How far is TTD from YEC?
The flight distance from Troutdale (TTD) to Yechon (YEC) is 5,256 miles (8,459 km, 4,568 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TTD to YEC?
A nonstop flight takes about 10h 46m 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 TTD to YEC?
Nonstop service on TTD–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 46m nonstop estimate.
What is the time difference between Troutdale and Yechon?
Yechon is 17 hours ahead of Troutdale.
What is the cheapest way to fly from TTD to YEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TTD–YEC that never appear on search engines, with no booking fees.
Why are some TTD to YEC fares phone-only?
Consolidator contracts let us sell certain TTD–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.