$400 Cheap Thai Airways International flights from Seoul to Chiang Mai (ICN to CNX)

Find The Best Day To Fly from Seoul to Chiang Mai

Amazing Thai Airways International ICN to CNX Flight Deals

The cheapest flights to Chiang Mai Intl. found within the past 7 days were $722 round trip and $400 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Sep 3 - Sun, Sep 7
ICN
Seoul
CNX
Chiang Mai
$722 Roundtrip, found 2 hours ago
$722
Roundtrip
found 2 hours ago
Select Thai Airways International flight, departing Wed, Sep 3 from Seoul to Chiang Mai, returning Sun, Sep 7, priced at $722 found 2 hours ago
Thai Airways International Airports
Hop on a(n) Thai Airways International flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
HNDJPNHaneda10
BKKTHASuvarnabhumi Intl.4
FUKJPNFukuoka3
NRTJPNNarita Intl.3
NGOJPNChubu Centrair Intl.3
LAXUSALos Angeles Intl.3
TPETWNTaoyuan Intl.3
ICNKORIncheon Intl.3
KIXJPNKansai Intl.2
CPHDNKKastrup2

Travelers ❤️ these 🏨 after their flight to Chiang Mai

Shangri-La Chiang Mai

Shangri-La Chiang Mai

5 out of 5
89/8 Chang Klan Road, Chiang Mai, Chiang Mai
A full-service spa, 3 restaurants, and an outdoor pool are all featured at this luxury hotel. Bring the family and enjoy the free kid's club, children's pool, ...
9/10 Wonderful! (1,001 reviews)
Again~! In Shangri-La Chiang Mai
"Dear friends The joy of my first trip to Chiang Mai is still there, but it's already been almost a month. I'm a team leader in a service industry. I was already looking forward to Shangri-La's strict service because I had experience using Cebu Shangri-La, but the Shangri-La I felt this time was the ..."

Reviewed on Jul 11, 2025

Shangri-La Chiang Mai
POR Singharat

POR Singharat

3 out of 5
6 Soi Singharat 4, Chiang Mai, Chang Wat Chiang Mai
An outdoor pool is featured at this hotel, along with free WiFi in public areas and luggage storage. Enjoy the free continental breakfast each morning. Staff ...
9.4/10 Exceptional! (62 reviews)
"I can’t say enough about the service at POR! The staff went above and beyond to make my first visit to Thailand easy and so enjoyable. They helped to arrange for my daily activities and were quick to answer all my questions. The daily breakfasts were amazing and the beverages and snacks available ..."

Reviewed on Jul 10, 2025

POR Singharat
Smile Lanna Hotel

Smile Lanna Hotel

4 out of 5
129/1 Chang Lor Rd, Hai Ya Muang, Chiang Mai, Chiang Mai
This hotel features a restaurant, an outdoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, laundry service, ...
9.6/10 Exceptional! (90 reviews)
"Property is beautiful- though our room air conditioner would not work properly so it was hot when we slept. The beds were very thin mattresses so were pretty uncomfortable but the service and staff at the resort were excellent."

Reviewed on Jul 13, 2025

Smile Lanna Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.