Cheap Flights to North Thailand

View ₩125,079 flight on Mon, Mar 16, 2026Opens in a new window

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How much is the cheapest flight to North Thailand?

Prices were available within the past 7 days and start at ₩125,079 for one-way flights and ₩247,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Thu, Mar 19 - Sat, May 2
ICN
Seoul
CNX
Chiang Mai
₩266,900 Roundtrip, found 6 days ago
₩266,900
Roundtrip
found 6 days ago
Select Jeju Air flight, departing Thu, Mar 19 from Seoul to Chiang Mai, returning Sat, May 2, priced at ₩266,900 found 6 days ago
AirAsia X
Sat, Mar 21 - Wed, Mar 25
ICN
Seoul
CNX
Chiang Mai
₩267,577 Roundtrip, found 4 days ago
₩267,577
Roundtrip
found 4 days ago
Select AirAsia X flight, departing Sat, Mar 21 from Seoul to Chiang Mai, returning Wed, Mar 25, priced at ₩267,577 found 4 days ago
Thai AirAsia X
Thu, Apr 23 - Thu, May 7
ICN
Seoul
CNX
Chiang Mai
₩269,366 Roundtrip, found 4 days ago
₩269,366
Roundtrip
found 4 days ago
Select Thai AirAsia X flight, departing Thu, Apr 23 from Seoul to Chiang Mai, returning Thu, May 7, priced at ₩269,366 found 4 days ago
Thai AirAsia
Mon, May 4 - Thu, May 7
ICN
Seoul
CNX
Chiang Mai
₩280,460 Roundtrip, found 1 day ago
₩280,460
Roundtrip
found 1 day ago
Select Thai AirAsia flight, departing Mon, May 4 from Seoul to Chiang Mai, returning Thu, May 7, priced at ₩280,460 found 1 day ago
JIN AIR
Tue, May 26 - Fri, May 29
ICN
Seoul
CNX
Chiang Mai
₩292,800 Roundtrip, found 1 day ago
₩292,800
Roundtrip
found 1 day ago
Select JIN AIR flight, departing Tue, May 26 from Seoul to Chiang Mai, returning Fri, May 29, priced at ₩292,800 found 1 day ago

Frequently asked questions

How do I find cheap flights to North Thailand that have flexible change policies?
By using our clever "No change fee" filter, that's how. Just type in your travel dates, click the "Search" button, then select the box underneath the "Flexible change policies" subheading (it's on the left of your screen). Expedia makes it easy to find flexible, cheap airfares to North Thailand.
How can I find cheap tickets to North Thailand?
A helpful strategy for scoring cheap airfares is to be flexible with your dates. Start by searching for your flight to North Thailand, then click on the "flexible dates" box to see prices for nearby days. Another useful tip? Book in advance. For an idea of fares, ₩247,900 was the best price for a flight to North Thailand in the last seven days.
How much is a flight to North Thailand?
The price of a round-trip ticket to North Thailand in the last seven days varied between ₩247,900 and ₩292,800. If you were traveling one way out of Seoul (ICN), you could have picked up a great deal from just ₩125,079.
When is the cheapest time to fly to North Thailand?
If you'd rather spend your vacation dollars getting to know North Thailand rather than on your journey there, leave earlier in the week. The most cost-effective day to travel is generally Tuesday, with Monday a close second. With many people traveling on the weekend, Saturday typically has the most expensive airfares.
How much is a plane ticket to North Thailand?
In the last seven days, ticket prices to North Thailand fluctuated from ₩247,900 to ₩292,800.
What months are the cheapest to book a flight to North Thailand?
The best month to book cheap fares to North Thailand is February. It's worth remembering that in the United States, the most expensive time to purchase a ticket is during the month of December.

Book with confidence

Searching for cheap flights to North Thailand? No travel company presents more choices than Expedia if you're looking to compare flights to North Thailand. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Thailand. Expedia provides the cheapest flights to many destinations in Thailand and you may find even greater savings if you combine your flight with a hotel stay in North Thailand.

Travel information

Destination airport
Chiang Mai Intl.
Destination airport IATA code
CNX
Destination city name
Chiang Mai
Roundtrip price
₩266,900

Trending flights to North Thailand

Prices were available within the past 7 days and start at ₩125,079 for one-way flights and ₩247,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eastar Jet
Thu, Aug 27 - Thu, Sep 10
PUS
Busan
CNX
Chiang Mai
₩247,900 Roundtrip, found 4 days ago
₩247,900
Roundtrip
found 4 days ago
Select Eastar Jet flight, departing Thu, Aug 27 from Busan to Chiang Mai, returning Thu, Sep 10, priced at ₩247,900 found 4 days ago
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