Cheap Flights from Seoul (ICN) to Chiang Rai (CEI)

View AU$194 flight on Sun, 21 Sep. 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Chiang Rai Intl. Airport (CEI)

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Cheap Flights from Seoul (ICN) to Chiang Rai (CEI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia X
Fri, 3 Oct. - Thu, 9 Oct.
ICN
Seoul
CEI
Chiang Rai
AU$1,735 Return, found 6 days ago
AU$1,735
Return
found 6 days ago
Select Thai AirAsia X flight, departing Fri, 3 Oct. from Seoul to Chiang Rai, returning Thu, 9 Oct., priced at AU$1,735 found 6 days ago
Thai AirAsia X
Fri, 3 Oct. - Thu, 9 Oct.
ICN
Seoul
CEI
Chiang Rai
AU$1,737 Return, found 6 days ago
AU$1,737
Return
found 6 days ago
Select Thai AirAsia X flight, departing Fri, 3 Oct. from Seoul to Chiang Rai, returning Thu, 9 Oct., priced at AU$1,737 found 6 days ago
Thai AirAsia X
Fri, 3 Oct. - Thu, 9 Oct.
ICN
Seoul
CEI
Chiang Rai
AU$1,744 Return, found 6 days ago
AU$1,744
Return
found 6 days ago
Select Thai AirAsia X flight, departing Fri, 3 Oct. from Seoul to Chiang Rai, returning Thu, 9 Oct., priced at AU$1,744 found 6 days ago
Flight from Seoul to Chiang Rai route information
Origin airport
Incheon Intl.
Destination airport
Chiang Rai Intl.
Return price
AU$1,735
Distance
3201 km

Your quick guide to flights from Seoul to Chiang Rai

Pick up great flights from Seoul to Chiang Rai

With Expedia, you have your pick of flights a day with 9 airlines covering flights from Seoul to Chiang Rai. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seoul to Chiang Rai that take around hours.

Find cheap flights from Seoul to Chiang Rai

From the great flight deals with prices currently ranging from AU$1,735 to AU$5,132, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seoul to Chiang Rai around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Chiang Rai is normally in October.

Reasons to book your flight from Seoul to Chiang Rai with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seoul to Chiang Rai across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Chiang Rai right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from ICN to Chiang Rai Intl. Airport (CEI)?
If you're planning on travelling from ICN to CEI, round-trip journeys start from AU$1,735. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ICN to Chiang Rai Intl. Airport (CEI)?
The majority of flights can be cancelled online, but every airline has its own set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Mae Fah Luang - Chiang Rai Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Incheon Airport to Mae Fah Luang - Chiang Rai Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ICN to Mae Fah Luang - Chiang Rai Intl. Airport?
Expect to be cruising at altitude for a while, as the flight distance between Incheon Airport and Mae Fah Luang - Chiang Rai Intl. Airport is 3 200 kilometres. Create a playlist of your favourite songs before leaving home to stay entertained during the journey.
Which airlines fly direct from ICN to Mae Fah Luang - Chiang Rai Intl. Airport?
You won't find any airlines flying directly between Incheon Airport and CEI, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are Seoul–Incheon Intl. Airport to CEI flight tickets cheaper when they're purchased at the last minute?
Flight prices from Incheon Airport to CEI are available up to 12 months prior to departure on Expedia. And although you may score a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

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