Cheap flights from Bangkok to Seoul
from 111 US$
From 199 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 111 US$
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About this route
Compare flights from Bangkok to Seoul, a about 3,727 km route (around 5h 10m 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 Jeju Air, Transnusa, Air Canada 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 Bangkok to Seoul?
It's usually 2026-09, from 111 USD. Use the price calendar to compare other dates.
How long is the flight from Bangkok to Seoul?
A nonstop flight takes about 5h 10m and covers around 3,727 km. Connecting itineraries take longer.
Are there direct flights from Bangkok to Seoul?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Bangkok to Seoul?
Jeju Air, Transnusa, Air Canada, Korean Air operate this route, among others. Compare them all in the results.
When should I book Bangkok–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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Bangkok → Seoul · Live fares from 100+ sites — free, with no hidden fees.