Cheap Flights to Thailand from ₩98,850

View ₩98,850 flight on Thu, Feb 5, 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 ₩98,850 for one-way flights and ₩212,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Tue, Feb 3 - Sat, Feb 14
PUS
Busan
BKK
Bangkok
₩212,300 Roundtrip, just found
₩212,300
Roundtrip
just found
Select Jeju Air flight, departing Tue, Feb 3 from Busan to Bangkok, returning Sat, Feb 14, priced at ₩212,300 just found
T'Way Air
Thu, Feb 19 - Tue, Mar 17
ICN
Seoul
BKK
Bangkok
₩228,270 Roundtrip, just found
₩228,270
Roundtrip
just found
Select T'Way Air flight, departing Thu, Feb 19 from Seoul to Bangkok, returning Tue, Mar 17, priced at ₩228,270 just found
Thai AirAsia X
Mon, Apr 20 - Tue, Apr 28
ICN
Seoul
DMK
Bangkok
₩230,967 Roundtrip, found 13 hours ago
₩230,967
Roundtrip
found 13 hours ago
Select Thai AirAsia X flight, departing Mon, Apr 20 from Seoul to Bangkok, returning Tue, Apr 28, priced at ₩230,967 found 13 hours ago
Eastar Jet
Sun, Apr 26 - Thu, Apr 30
PUS
Busan
CNX
Chiang Mai
₩243,700 Roundtrip, found 5 days ago
₩243,700
Roundtrip
found 5 days ago
Select Eastar Jet flight, departing Sun, Apr 26 from Busan to Chiang Mai, returning Thu, Apr 30, priced at ₩243,700 found 5 days ago
JIN AIR
Sat, Feb 7 - Wed, Feb 11
PUS
Busan
BKK
Bangkok
₩244,300 Roundtrip, just found
₩244,300
Roundtrip
just found
Select JIN AIR flight, departing Sat, Feb 7 from Busan to Bangkok, returning Wed, Feb 11, priced at ₩244,300 just found
Vietnam Airlines
Fri, May 29 - Sun, May 31
PUS
Busan
BKK
Bangkok
₩251,500 Roundtrip, found 14 hours ago
₩251,500
Roundtrip
found 14 hours ago
Select Vietnam Airlines flight, departing Fri, May 29 from Busan to Bangkok, returning Sun, May 31, priced at ₩251,500 found 14 hours ago
Eastar Jet
Sun, Feb 8 - Thu, May 7
ICN
Seoul
CNX
Chiang Mai
₩276,300 Roundtrip, found 17 hours ago
₩276,300
Roundtrip
found 17 hours ago
Select Eastar Jet flight, departing Sun, Feb 8 from Seoul to Chiang Mai, returning Thu, May 7, priced at ₩276,300 found 17 hours ago
JIN AIR
Tue, Feb 3 - Wed, Feb 4
ICN
Seoul
HKT
Phuket
₩300,700 Roundtrip, found 4 hours ago
₩300,700
Roundtrip
found 4 hours ago
Select JIN AIR flight, departing Tue, Feb 3 from Seoul to Phuket, returning Wed, Feb 4, priced at ₩300,700 found 4 hours ago
AirAsia X
Fri, Apr 17 - Mon, Apr 20
ICN
Seoul
KBV
Krabi
₩311,325 Roundtrip, found 5 days ago
₩311,325
Roundtrip
found 5 days ago
Select AirAsia X flight, departing Fri, Apr 17 from Seoul to Krabi, returning Mon, Apr 20, priced at ₩311,325 found 5 days ago
Thai AirAsia X
Thu, Jul 2 - Wed, Jul 8
ICN
Seoul
CEI
Chiang Rai
₩359,581 Roundtrip, found 5 days ago
₩359,581
Roundtrip
found 5 days ago
Select Thai AirAsia X flight, departing Thu, Jul 2 from Seoul to Chiang Rai, returning Wed, Jul 8, priced at ₩359,581 found 5 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 ₩212,300.
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 ₩98,850 in the last seven days. Return flights to Thailand ranged from only ₩212,300 to ₩359,581 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 ₩212,300 and ₩359,581. 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.

Jeju Air
Tue, Feb 3 - Sat, Feb 14
PUS
Busan
BKK
Bangkok
₩212,300 Roundtrip, just found
₩212,300
Roundtrip
just found
Select Jeju Air flight, departing Tue, Feb 3 from Busan to Bangkok, returning Sat, Feb 14, priced at ₩212,300 just found
*Available to Expedia members.