Cheap Flights to Thailand from ₩111,400

View ₩111,400 flight on Mon, Mar 23, 2026Opens in a new window

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How much is the cheapest flight to Thailand?

Prices were available within the past 7 days and start at ₩111,400 for one-way flights and ₩237,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eastar Jet
Sun, Aug 30 - Thu, Sep 17
PUS
Busan
CNX
Chiang Mai
₩237,900 Roundtrip, found 9 hours ago
₩237,900
Roundtrip
found 9 hours ago
Select Eastar Jet flight, departing Sun, Aug 30 from Busan to Chiang Mai, returning Thu, Sep 17, priced at ₩237,900 found 9 hours ago
Thai AirAsia
Fri, Jan 8 - Thu, Jan 14
ICN
Seoul
DMK
Bangkok
₩241,347 Roundtrip, found 3 days ago
₩241,347
Roundtrip
found 3 days ago
Select Thai AirAsia flight, departing Fri, Jan 8 from Seoul to Bangkok, returning Thu, Jan 14, priced at ₩241,347 found 3 days ago
AirAsia X
Fri, Mar 27 - Tue, Mar 31
ICN
Seoul
CNX
Chiang Mai
₩251,450 Roundtrip, found 4 days ago
₩251,450
Roundtrip
found 4 days ago
Select AirAsia X flight, departing Fri, Mar 27 from Seoul to Chiang Mai, returning Tue, Mar 31, priced at ₩251,450 found 4 days ago
Jeju Air
Fri, Mar 27 - Mon, Apr 20
PUS
Busan
BKK
Bangkok
₩257,900 Roundtrip, found 6 hours ago
₩257,900
Roundtrip
found 6 hours ago
Select Jeju Air flight, departing Fri, Mar 27 from Busan to Bangkok, returning Mon, Apr 20, priced at ₩257,900 found 6 hours ago
JIN AIR
Thu, Mar 26 - Tue, Apr 21
ICN
Seoul
BKK
Bangkok
₩257,900 Roundtrip, found 6 hours ago
₩257,900
Roundtrip
found 6 hours ago
Select JIN AIR flight, departing Thu, Mar 26 from Seoul to Bangkok, returning Tue, Apr 21, priced at ₩257,900 found 6 hours ago
Vietnam Airlines
Tue, Jun 30 - Tue, Jul 7
PUS
Busan
BKK
Bangkok
₩261,200 Roundtrip, found 6 days ago
₩261,200
Roundtrip
found 6 days ago
Select Vietnam Airlines flight, departing Tue, Jun 30 from Busan to Bangkok, returning Tue, Jul 7, priced at ₩261,200 found 6 days ago
T'Way Air
Sat, Mar 28 - Mon, Apr 20
ICN
Seoul
BKK
Bangkok
₩271,760 Roundtrip, found 1 day ago
₩271,760
Roundtrip
found 1 day ago
Select T'Way Air flight, departing Sat, Mar 28 from Seoul to Bangkok, returning Mon, Apr 20, priced at ₩271,760 found 1 day ago
Vietnam Airlines
Thu, Oct 15 - Mon, Oct 19
PUS
Busan
HKT
Phuket
₩279,600 Roundtrip, found 5 days ago
₩279,600
Roundtrip
found 5 days ago
Select Vietnam Airlines flight, departing Thu, Oct 15 from Busan to Phuket, returning Mon, Oct 19, priced at ₩279,600 found 5 days ago
Vietnam Airlines
Tue, May 12 - Mon, May 18
ICN
Seoul
HKT
Phuket
₩284,600 Roundtrip, found 5 days ago
₩284,600
Roundtrip
found 5 days ago
Select Vietnam Airlines flight, departing Tue, May 12 from Seoul to Phuket, returning Mon, May 18, priced at ₩284,600 found 5 days ago
AirAsia X
Fri, Apr 24 - Tue, Apr 28
ICN
Seoul
KBV
Krabi
₩305,687 Roundtrip, found 1 day ago
₩305,687
Roundtrip
found 1 day ago
Select AirAsia X flight, departing Fri, Apr 24 from Seoul to Krabi, returning Tue, Apr 28, priced at ₩305,687 found 1 day ago

Trending flights to Thailand

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Fri, Jan 8 - Thu, Jan 14
ICN
Seoul
DMK
Bangkok
₩241,347 Roundtrip, found 3 days ago
₩241,347
Roundtrip
found 3 days ago
Select Thai AirAsia flight, departing Fri, Jan 8 from Seoul to Bangkok, returning Thu, Jan 14, priced at ₩241,347 found 3 days ago

Frequently asked questions

How do I find cheap flights to Thailand that have flexible change policies?
By using our smart "No change fee" filter, that's how. Just enter your travel details, click "Search," then mark the checkbox underneath the "Flexible change policies" subheading (it's on the top left of your screen). Expedia makes it easy to find flexible and affordable flights to Thailand.
How can I find cheap tickets to Thailand?
Book well in advance, travel on a cheaper day, avoid peak travel periods — there's no shortage of ways! One more is to make use of Expedia's "flexible dates" function. Find a Thailand flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Thailand was ₩237,900.
How much is a flight to Thailand?
If you were flying one way from Busan (PUS), you could've picked up a bargain fare for ₩111,400 in the last seven days. Return flights to Thailand ranged from only ₩237,900 to ₩305,687 over the same period.
When is the cheapest time to fly to Thailand?
Jetting off on a Tuesday, followed by a Monday, is usually the best way to bag the cheapest flight. Steer clear of weekends if you can, because Saturday is typically the costliest day. Spend the dollars you saved having fun in Thailand instead!
How much is a plane ticket to Thailand?
In the last seven days, plane fares cost between ₩237,900 and ₩305,687. Have a look at our fantastic deals to Thailand, pick your favorite and then start packing your bags.
What is the best time to go to Thailand?
August, September and October are the most popular months to discover the wonders of Bangkok, one of Thailand's most interesting cities. Summertime here begins June 20. Average temperatures range from 80ºF to 90ºF throughout the season, so consider traveling then if you enjoy warmer weather.
What months are the cheapest to book a flight to Thailand?
To land a fabulous deal to Thailand, try to book sometime in February when prices are at their lowest. When do tickets cost the most? In the USA, it's December.

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