Cheap Flights to Thailand from ₩98,740

View ₩98,740 flight on Sun, Feb 22, 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 ₩98,740 for one-way flights and ₩232,904 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia X
Tue, Apr 21 - Fri, Apr 24
ICN
Seoul
DMK
Bangkok
₩232,904 Roundtrip, just found
₩232,904
Roundtrip
just found
Select Thai AirAsia X flight, departing Tue, Apr 21 from Seoul to Bangkok, returning Fri, Apr 24, priced at ₩232,904 just found
Jeju Air
Tue, Feb 10 - Fri, Feb 13
PUS
Busan
BKK
Bangkok
₩233,500 Roundtrip, found 10 hours ago
₩233,500
Roundtrip
found 10 hours ago
Select Jeju Air flight, departing Tue, Feb 10 from Busan to Bangkok, returning Fri, Feb 13, priced at ₩233,500 found 10 hours ago
Eastar Jet
Fri, Feb 20 - Wed, Mar 11
ICN
Seoul
BKK
Bangkok
₩240,500 Roundtrip, found 4 hours ago
₩240,500
Roundtrip
found 4 hours ago
Select Eastar Jet flight, departing Fri, Feb 20 from Seoul to Bangkok, returning Wed, Mar 11, priced at ₩240,500 found 4 hours ago
T'Way Air
Thu, Mar 5 - Tue, Mar 17
ICN
Seoul
BKK
Bangkok
₩244,070 Roundtrip, found 3 hours ago
₩244,070
Roundtrip
found 3 hours ago
Select T'Way Air flight, departing Thu, Mar 5 from Seoul to Bangkok, returning Tue, Mar 17, priced at ₩244,070 found 3 hours ago
Eastar Jet
Sun, Apr 26 - Thu, Apr 30
PUS
Busan
CNX
Chiang Mai
₩244,300 Roundtrip, found 6 days ago
₩244,300
Roundtrip
found 6 days ago
Select Eastar Jet flight, departing Sun, Apr 26 from Busan to Chiang Mai, returning Thu, Apr 30, priced at ₩244,300 found 6 days ago
Jeju Air
Sun, Mar 1 - Wed, Apr 22
ICN
Seoul
CNX
Chiang Mai
₩244,500 Roundtrip, found 4 hours ago
₩244,500
Roundtrip
found 4 hours ago
Select Jeju Air flight, departing Sun, Mar 1 from Seoul to Chiang Mai, returning Wed, Apr 22, priced at ₩244,500 found 4 hours ago
JIN AIR
Tue, Feb 10 - Wed, Feb 11
ICN
Seoul
HKT
Phuket
₩282,300 Roundtrip, just found
₩282,300
Roundtrip
just found
Select JIN AIR flight, departing Tue, Feb 10 from Seoul to Phuket, returning Wed, Feb 11, priced at ₩282,300 just found
AirAsia X
Thu, Apr 23 - Mon, Apr 27
ICN
Seoul
KBV
Krabi
₩312,480 Roundtrip, found 4 days ago
₩312,480
Roundtrip
found 4 days ago
Select AirAsia X flight, departing Thu, Apr 23 from Seoul to Krabi, returning Mon, Apr 27, priced at ₩312,480 found 4 days ago
Thai AirAsia X
Thu, Feb 19 - Mon, Feb 23
ICN
Seoul
CEI
Chiang Rai
₩360,912 Roundtrip, found 4 days ago
₩360,912
Roundtrip
found 4 days ago
Select Thai AirAsia X flight, departing Thu, Feb 19 from Seoul to Chiang Rai, returning Mon, Feb 23, priced at ₩360,912 found 4 days ago
Thai Lion Mantari
Mon, Feb 23 - Thu, Mar 5
ICN
Seoul
HDY
Hat Yai
₩398,600 Roundtrip, found 4 days ago
₩398,600
Roundtrip
found 4 days ago
Select Thai Lion Mantari flight, departing Mon, Feb 23 from Seoul to Hat Yai, returning Thu, Mar 5, priced at ₩398,600 found 4 days ago

About Thailand

Expedia offers flights to Thailand to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Thailand or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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 ₩232,904.
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 ₩98,740 in the last seven days. Return flights to Thailand ranged from only ₩232,904 to ₩398,600 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 ₩232,904 and ₩398,600. 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.

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 X
Tue, Apr 21 - Fri, Apr 24
ICN
Seoul
DMK
Bangkok
₩232,904 Roundtrip, just found
₩232,904
Roundtrip
just found
Select Thai AirAsia X flight, departing Tue, Apr 21 from Seoul to Bangkok, returning Fri, Apr 24, priced at ₩232,904 just found
*Available to Expedia members.