Flights from Seoul to Chiang Mai

ICNCNX

Incheon International Airport (Seoul, South Korea) → Chiang Mai International Airport (Chiang Mai, Thailand)

Also known as Seoul.

Nonstop
5h 55m
Distance
3,382 km
Frequency
7×/week
One-way from
$161
Airlines
Air Busan, Delta Air Lines, EASTAR JET, Jeju Air, Jin Air, Korean Air
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • KE508916:45→20:405h 55mKorean Air
  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • DL792418:45→22:456hDelta Air Lines
  • KE68318:45→22:456hKorean Air
  • 7C251519:15→23:356h 20mJeju Air

Tuesday

  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • KE68318:45→22:456hKorean Air

Wednesday

  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • KE68318:45→22:456hKorean Air
  • BX902919:00→23:106h 10mAir Busan

Thursday

  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • KE68318:45→22:456hKorean Air
  • 7C251519:15→23:356h 20mJeju Air

Friday

  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • KE68318:45→22:456hKorean Air
  • 7C251519:15→23:356h 20mJeju Air

Saturday

  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • KE68318:45→22:456hKorean Air
  • BX902919:00→23:106h 10mAir Busan

Sunday

  • LJ2716:45→20:405h 55mJin Air
  • ZE51717:25→21:205h 55mEASTAR JET
  • KE68318:45→22:456hKorean Air
  • 7C251519:15→23:356h 20mJeju Air

Seoul to Chiang Mai — frequently asked

How long is the flight from Seoul to Chiang Mai?
ICN–CNX is 5h 55m nonstop, covering 3,382 km (2,101 mi).
Which airlines fly nonstop from Seoul to Chiang Mai?
Air Busan, Delta Air Lines, EASTAR JET, Jeju Air, Jin Air, Korean Air operate this route nonstop.
How much is a flight from Seoul to Chiang Mai?
One-way fares on ICN–CNX recently started from $161. The lowest recent fare is for travel in November 2026. Fares change daily, so check current prices before booking.
How often do flights run from Seoul to Chiang Mai?
The route is served 7 days a week (29 scheduled departures).