Cheap Flights to Thailand from ₩100,871

View ₩100,871 flight on Sun, Aug 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 ₩100,871 for one-way flights and ₩225,200 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
₩225,200 Roundtrip, found 5 days ago
₩225,200
Roundtrip
found 5 days ago
Select Eastar Jet flight, departing Thu, Aug 27 from Busan to Chiang Mai, returning Thu, Sep 10, priced at ₩225,200 found 5 days ago
Thai AirAsia
Sun, Dec 6 - Sat, Dec 12
ICN
Seoul
DMK
Bangkok
₩238,484 Roundtrip, found 1 day ago
₩238,484
Roundtrip
found 1 day ago
Select Thai AirAsia flight, departing Sun, Dec 6 from Seoul to Bangkok, returning Sat, Dec 12, priced at ₩238,484 found 1 day ago
Thai AirAsia X
Mon, Mar 9 - Sat, Apr 25
ICN
Seoul
DMK
Bangkok
₩248,988 Roundtrip, found 1 day ago
₩248,988
Roundtrip
found 1 day ago
Select Thai AirAsia X flight, departing Mon, Mar 9 from Seoul to Bangkok, returning Sat, Apr 25, priced at ₩248,988 found 1 day ago
AirAsia X
Sat, Mar 21 - Tue, Mar 31
ICN
Seoul
CNX
Chiang Mai
₩254,365 Roundtrip, found 5 days ago
₩254,365
Roundtrip
found 5 days ago
Select AirAsia X flight, departing Sat, Mar 21 from Seoul to Chiang Mai, returning Tue, Mar 31, priced at ₩254,365 found 5 days ago
JIN AIR
Sat, Mar 28 - Thu, Apr 16
PUS
Busan
BKK
Bangkok
₩255,200 Roundtrip, found 5 days ago
₩255,200
Roundtrip
found 5 days ago
Select JIN AIR flight, departing Sat, Mar 28 from Busan to Bangkok, returning Thu, Apr 16, priced at ₩255,200 found 5 days ago
JIN AIR
Sun, Sep 27 - Thu, Oct 1
ICN
Seoul
BKK
Bangkok
₩261,600 Roundtrip, found 18 hours ago
₩261,600
Roundtrip
found 18 hours ago
Select JIN AIR flight, departing Sun, Sep 27 from Seoul to Bangkok, returning Thu, Oct 1, priced at ₩261,600 found 18 hours ago
Vietnam Airlines
Thu, Oct 15 - Mon, Oct 19
PUS
Busan
HKT
Phuket
₩268,600 Roundtrip, found 3 days ago
₩268,600
Roundtrip
found 3 days ago
Select Vietnam Airlines flight, departing Thu, Oct 15 from Busan to Phuket, returning Mon, Oct 19, priced at ₩268,600 found 3 days ago
Vietnam Airlines
Wed, May 6 - Sat, May 9
ICN
Seoul
HKT
Phuket
₩273,900 Roundtrip, found 4 days ago
₩273,900
Roundtrip
found 4 days ago
Select Vietnam Airlines flight, departing Wed, May 6 from Seoul to Phuket, returning Sat, May 9, priced at ₩273,900 found 4 days ago
Thai AirAsia
Fri, Sep 25 - Tue, Sep 29
ICN
Seoul
KBV
Krabi
₩280,804 Roundtrip, found 5 days ago
₩280,804
Roundtrip
found 5 days ago
Select Thai AirAsia flight, departing Fri, Sep 25 from Seoul to Krabi, returning Tue, Sep 29, priced at ₩280,804 found 5 days ago
Thai AirAsia
Sun, Sep 6 - Sat, Oct 31
ICN
Seoul
CEI
Chiang Rai
₩336,840 Roundtrip, found 2 days ago
₩336,840
Roundtrip
found 2 days ago
Select Thai AirAsia flight, departing Sun, Sep 6 from Seoul to Chiang Rai, returning Sat, Oct 31, priced at ₩336,840 found 2 days 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
Sun, Dec 6 - Sat, Dec 12
ICN
Seoul
DMK
Bangkok
₩238,484 Roundtrip, found 1 day ago
₩238,484
Roundtrip
found 1 day ago
Select Thai AirAsia flight, departing Sun, Dec 6 from Seoul to Bangkok, returning Sat, Dec 12, priced at ₩238,484 found 1 day 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 ₩225,200.
How much is a flight to Thailand?
If you were flying one way from Seoul (ICN), you could've picked up a bargain fare for ₩100,871 in the last seven days. Return flights to Thailand ranged from only ₩225,200 to ₩336,840 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 ₩225,200 and ₩336,840. 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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About Thailand

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