Cheap flights from Siem Reap to Seoul
from 174 US$
Compare hundreds of airlines Siem Reap–Seoul
The cheapest month is usually 2026-10 · 174 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Siem Reap to Seoul, a about 3,531 km route (around 4h 55m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Korean Air, Asiana Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Siem Reap to Seoul?
It's usually 2026-10, from 174 USD. Use the price calendar to compare other dates.
How long is the flight from Siem Reap to Seoul?
A nonstop flight takes about 4h 55m and covers around 3,531 km. Connecting itineraries take longer.
Are there direct flights from Siem Reap to Seoul?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Siem Reap to Seoul?
Korean Air, Asiana Airlines operate this route, among others. Compare them all in the results.
When should I book Siem Reap–Seoul flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Siem Reap → Seoul · Live fares from 100+ sites — free, with no hidden fees.