Are there nonstop flights from Seoul (ICN) to Chiang Mai (CNX)?

Yes. Korean Air, Jeju Air, Jin Air, Eastar Jet, Air Busan fly this route. Flight time is about 4h 29m.

What is the fastest connection from Seoul (ICN) to Chiang Mai (CNX)?

via Kunming ≈ 5h 2m, via Hanoi ≈ 5h 3m, via Chongqing ≈ 5h 5m (estimated flying time, excluding layovers).

How many miles is an award flight from Seoul (ICN) to Chiang Mai (CNX)?

from 18,500 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Seoul → Chiang Mai

Incheon International Airport (ICN) to Chiang Mai International Airport (CNX)・3,382 km

Reverse View on map

Nonstop flights available (5 airlines). Flight time about 4h 29m. Nonstop return flights also operate.

With milesANA 18,500 miles+ (via PEK)JAL 23,000 miles+ (nonstop)Economy, one way, estimate. Tap a connection for miles by cabin.

Earn miles withANA Card (official)JAL Card (official)

Nonstop flights

Award miles (one way, estimate)

JAL Mileage Bank — partner airline award
KE only · total distance ≈ 2,101 mi (band 2,001–4,000)
Economy
23,000
Business
42,000

Estimates from the airlines' published award charts (as of 2026-11-02). Seat availability, fuel surcharges and stopover rules are not included — always check with the airline before booking.

NEWStarting soon: Trinity Airways

Search onGoogle Flights Skyscanner

Best places to connect

19 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.

Seoul → Chiang Mai

Nonstop flights

Best places to connect

Related routes

Nonstop from Seoul

Nonstop to Chiang Mai from other airports