Flights from Chiang Mai to Seoul from $277

Compare All CNX to SEL Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

2 of 2 flights

Airline	Schedule	Stops	Duration	Price
7C 7C · 2516	Schedule on partner site	Direct	—	$277 Best	Book →
7C 7C · 2516	21:30 CNX 08:50 SEL	0 stop(s)	11h 20m	$277	Book →

Airport Information

Key details about departure and arrival airports for this route

CNX

Chiang Mai International Airport

City: Chiang Mai
Country: TH
Type: Large Airport
Elevation: 1,036 ft

CNX Airport Guide →

Tips for Chiang Mai to Seoul Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book CNX–SEL flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $277, but prices as low as $277 are available.

✈ Direct vs Connecting

1 direct flight(s) available on this route . Direct flights save you 2–5 hours of travel time.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on CNX–SEL is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Seoul

Book accommodation at your destination — top-rated stays near SEL airport

스테이묘미,종로 Stay Myomi,Jongno

Seoul, 5★

10.0 $134/night

K-Grand Hostel Sinchon

Seoul, 1★

10.0 Check Price

“Hongdae Cherry Blossom & Han River Romantic Stay”

UH Suite The Seolleung

Seoul, 3★

10.0 $181/night

Frequently Asked Questions

Everything you need to know about flying CNX to SEL

What is the cheapest flight from Chiang Mai to Seoul?

The cheapest flight from Chiang Mai (CNX) to Seoul (SEL) currently starts at $277 with 7C. Prices are updated regularly and may vary by date and availability.

How many airlines fly from CNX to SEL?

We found 1 airline(s) operating on the CNX–SEL route, including 7C.

Are there direct flights from Chiang Mai to Seoul?

Yes, there are 1 direct flight(s) available from CNX to SEL, with prices starting at $277.

What is the average flight price on this route?

The average flight price from Chiang Mai to Seoul is approximately $277. Prices range from $277 to $277 depending on airline, time, and class.

How long is the flight from CNX to SEL?

The average flight duration from Chiang Mai to Seoul is approximately 11 hours 20 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on CNX–SEL flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.