Cheap Flights to North Thailand

View ₩104,751 flight on Tue, Aug 19, 2025Opens 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 ₩104,751 for one-way flights and ₩252,659 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eastar Jet
Mon, Aug 18 - Thu, Oct 2
ICN
Seoul
CNX
Chiang Mai
₩264,700 Roundtrip, found 2 days ago
₩264,700
Roundtrip
found 2 days ago
Select Eastar Jet flight, departing Mon, Aug 18 from Seoul to Chiang Mai, returning Thu, Oct 2, priced at ₩264,700 found 2 days ago
JIN AIR
Tue, Aug 19 - Wed, Oct 1
ICN
Seoul
CNX
Chiang Mai
₩273,100 Roundtrip, found 9 hours ago
₩273,100
Roundtrip
found 9 hours ago
Select JIN AIR flight, departing Tue, Aug 19 from Seoul to Chiang Mai, returning Wed, Oct 1, priced at ₩273,100 found 9 hours ago
Jeju Air
Sun, Sep 14 - Thu, Sep 18
ICN
Seoul
CNX
Chiang Mai
₩314,974 Roundtrip, found 3 hours ago
₩314,974
Roundtrip
found 3 hours ago
Select Jeju Air flight, departing Sun, Sep 14 from Seoul to Chiang Mai, returning Thu, Sep 18, priced at ₩314,974 found 3 hours ago
Thai AirAsia X
Mon, Sep 22 - Thu, Sep 25
ICN
Seoul
CEI
Chiang Rai
₩354,161 Roundtrip, found 6 days ago
₩354,161
Roundtrip
found 6 days ago
Select Thai AirAsia X flight, departing Mon, Sep 22 from Seoul to Chiang Rai, returning Thu, Sep 25, priced at ₩354,161 found 6 days ago
Asiana Airlines
Sun, Sep 21 - Thu, Sep 25
ICN
Seoul
CNX
Chiang Mai
₩427,300 Roundtrip, just found
₩427,300
Roundtrip
just found
Select Asiana Airlines flight, departing Sun, Sep 21 from Seoul to Chiang Mai, returning Thu, Sep 25, priced at ₩427,300 just found

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.

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, ₩252,659 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 ₩252,659 and ₩427,300. If you were traveling one way out of Seoul (ICN), you could have picked up a great deal from just ₩104,751.
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 ₩252,659 to ₩427,300.
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.
Flights to North Thailand information
Destination airport
Chiang Mai Intl.
Destination airport IATA code
CNX
Destination city name
Chiang Mai
Roundtrip price
₩80,204

Trending flights to North Thailand

Prices were available within the past 7 days and start at ₩104,751 for one-way flights and ₩252,659 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eastar Jet
Fri, Oct 10 - Tue, Oct 28
PUS
Busan
CNX
Chiang Mai
₩252,659 Roundtrip, found 10 hours ago
₩252,659
Roundtrip
found 10 hours ago
Select Eastar Jet flight, departing Fri, Oct 10 from Busan to Chiang Mai, returning Tue, Oct 28, priced at ₩252,659 found 10 hours ago
*Available to Expedia members.