How long does the flight from Chiang Mai to Seoul take?

Flight time from Chiang Mai (CNX) to Seoul (ICN) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Chiang Mai to Seoul?

Airline availability for CNX to ICN changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Chiang Mai to Seoul?

Direct (nonstop) availability on CNX to ICN varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Chiang Mai to Seoul?

Prices on CNX to ICN shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Chiang Mai to Seoul flights

Direct and connecting flights from Chiang Mai (CNX) to Seoul (ICN). Compare airlines, aircraft, and fares.

Distance: 3,382 km (2,101 mi)
Flight time: ~4h 19m
Airlines: 2
Aircraft types: 2

Airlines flying CNX → ICN

Airline	Aircraft types	Observations
Eastar Jet	1	1
Air Busan	1	1

Aircraft on this route

Boeing 737 — 1 operator
Airbus A321 — 1 operator

Airport details

Departure: Chiang Mai International Airport (CNX)

City: Chiang Mai
Country: Thailand
IATA / ICAO: CNX / VTCC

Arrival: Incheon International Airport (ICN)

City: Seoul
Country: South Korea
IATA / ICAO: ICN / RKSI

Operating airlines

Jeju Air (7C)
Air Busan (BX)
Korean Air (KE)
Jin Air (LJ)
Eastar Jet (ZE)

Distance: 3380 km. Duration: 323 minutes.

Other routes from Chiang Mai

Other routes to Seoul

Frequently asked questions

How many airlines fly CNX to ICN?

2 airlines operate the CNX to ICN route in our 90-day observed dataset.

What aircraft fly the CNX-ICN route?

The most commonly observed aircraft on CNX to ICN include: Boeing 737, Airbus A321.

How long is the Chiang Mai to Seoul flight?

The estimated flight time from Chiang Mai (CNX) to Seoul (ICN) is approximately 4h 19m, based on a cruise speed of 850 km/h.

What's the distance from Chiang Mai to Seoul?

The great-circle distance from Chiang Mai (CNX) to Seoul (ICN) is approximately 3,382 km (2,101 miles).

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