Cheap Flights from Chiang Mai to Seoul

Cheapest flights from Chiang Mai to Seoul

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chiang Mai to Seoul. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$128

Thai Vietjet Air

1 transfer

9h 30m

12/03/2025

The cheapest one-way flight from Chiang Mai to Seoul departs on 12/03/2025, is operated by Thai Vietjet Air and costs $128

Cheapest round trip flight

$267

Thai AirAsia

1 transfer

21h 40m

03/26/2026

The cheapest roundtrip flight from Chiang Mai to Seoul departs on 03/26/2026, is operated by Thai AirAsia and costs $267

The fastest flight

5h 5m

Fastest flight from Chiang Mai to Seoul takes 5h 5m

Direct flights

Several times a week

There are direct flights on this route 4 days a week: Su, Tu, Th, and Fr

Earliest flight

9:40 PM

Latest flight

12:45 AM

Average flight duration

5h 15m

Direct flights count

41

Distance

3427km

Timezone difference

2h

The distance between Chiang Mai and Seoul is 3427km (2125 miles). The average flight duration is 5h 15m. There are 41 direct flights from Chiang Mai to Seoul. The time difference between Chiang Mai and Seoul is 2h. Flights from Chiang Mai begin at 9:40 PM. The latest flight from Chiang Mai departs at 12:45 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Chiang Mai to Seoul by month

In different months, ticket prices from Chiang Mai to Seoul vary: minimum — $128 (December 2025), maximum — $193 (March 2026). Typically, the flight costs $170–$180.

December 2025

Lowest price

on average:

$128

March 2026

Highest price

on average:

$193

Avg Price

Airlines operating on route

The route Chiang Mai — Seoul is served by many carriers — 12 in total, including Jeju Air, Eastar Jet, Korean Air, T'way Air, Hahn Air, Thai Vietjet Air, Thai AirAsia, Nok Air, Spring Airlines, China Eastern Airlines, Air China, and Hong Kong Express Airways. This gives passengers wide opportunities: from finding the lowest fare (from $128) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

Starting at $212

Starting at $166

Starting at $443

Starting at $170

Starting at $298

Starting at $128

Starting at $134

Starting at $174

Starting at $179

China Eastern Airlines

Starting at $193

Air China

Starting at $193

Hong Kong Express Airways

Starting at $194

Direct Flights from Chiang Mai to Seoul

A direct flight is the most convenient and comfortable way to fly from Chiang Mai to Seoul, despite the fact that sometimes flights with transfers can cost significantly less.

Chiang Mai — Seoul

CNX — SEL

12/03/2025

Departure

Direct flight

7C2516

Starting at $212

Chiang Mai — Seoul

CNX — SEL

12/04/2025

Departure

Direct flight

7C2516

Starting at $212

Chiang Mai — Seoul

CNX — SEL

12/06/2025

Departure

Direct flight

ZE518

Starting at $254

Chiang Mai — Seoul

CNX — SEL

12/07/2025

Departure

Direct flight

ZE518

Starting at $345

Chiang Mai — Seoul

CNX — SEL

12/08/2025

Departure

Direct flight

ZE518

Starting at $258

Chiang Mai — Seoul

CNX — SEL

12/08/2025

Departure

Direct flight

KE684

Starting at $476

Chiang Mai — Seoul

CNX — SEL

12/09/2025

Departure

Direct flight

KE684

Starting at $443

Chiang Mai — Seoul

CNX — SEL

12/15/2025

Departure

Direct flight

ZE518

Starting at $199

Chiang Mai — Seoul

CNX — SEL

12/17/2025

Departure

Direct flight

TW50

Starting at $206

Chiang Mai — Seoul

CNX — SEL

12/19/2025

Departure

Direct flight

7C2516

Starting at $216

Schedule of direct flights from Chiang Mai to Seoul

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chiang Mai to Seoul:

Unable to find information about the schedule of direct flights from

Chiang Mai airports overview

Chiang Mai International Airport

•

CNX

•

Seoul airports overview

Gimpo International Airport

•

GMP

16km

Incheon International Airport

•

ICN

49km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Chiang Mai to Seoul?

The cheapest flight ticket from Chiang Mai to Seoul according to data for the last 48 hours costs $128

When is the best time to buy air tickets on the route Chiang Mai — Seoul?

Often the best time to buy tickets from Chiang Mai to Seoul is 2 months before departure.

When is the cheapest time of year to fly from Chiang Mai to Seoul?

Based on statistics over the past years, the lowest prices for flights from Chiang Mai to Seoul can be found flying in these months: December, January, February.

How long does it take to fly from Chiang Mai to Seoul?

The fastest flights from Chiang Mai to Seoul start from 5 hours 5 minutes in the air.

Which airline can fly direct from Chiang Mai to Seoul?

The following airlines operate direct flights on the route Chiang Mai — Seoul: Jeju Air, Eastar Jet, Korean Air

Special offers and sales on air tickets from Chiang Mai to Seoul

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Chiang Mai to Seoul

Alternative routes

Sittwe ➜ Seoul•Bangkok ➜ Seoul•Jinghong ➜ Seoul•Khon Kaen ➜ Seoul•Lincang ➜ Seoul•Mandalay ➜ Seoul•Udon Thani ➜ Seoul•Vientiane ➜ Seoul•Savannakhet ➜ Seoul•Chiang Mai ➜ Cheongju•Chiang Mai ➜ Jeju•Chiang Mai ➜ Dandong•Chiang Mai ➜ Pyongyang•Chiang Mai ➜ Pohang•Chiang Mai ➜ Busan•Chiang Mai ➜ Daegu•Chiang Mai ➜ Ulsan•Chiang Mai ➜ Weihai•Chiang Mai ➜ Wonju

•••••••••••••••••••

Cheapest one way flight

$128

Thai Vietjet Air

1 transfer

9h 30m

12/03/2025

The cheapest one-way flight from Chiang Mai to Seoul departs on 12/03/2025, is operated by Thai Vietjet Air and costs $128

Cheapest round trip flight

$267

Thai AirAsia

1 transfer

21h 40m

03/26/2026

The cheapest roundtrip flight from Chiang Mai to Seoul departs on 03/26/2026, is operated by Thai AirAsia and costs $267

The fastest flight