Cheap Flights to Thailand from ₩89,300

View ₩89,300 flight on Wed, Feb 25, 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 ₩89,300 for one-way flights and ₩226,976 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Sat, Sep 26 - Sat, Oct 3
ICN
Seoul
DMK
Bangkok
₩226,976 Roundtrip, found 3 hours ago
₩226,976
Roundtrip
found 3 hours ago
Select Thai AirAsia flight, departing Sat, Sep 26 from Seoul to Bangkok, returning Sat, Oct 3, priced at ₩226,976 found 3 hours ago
Thai AirAsia X
Fri, Mar 13 - Tue, Mar 17
ICN
Seoul
DMK
Bangkok
₩230,596 Roundtrip, just found
₩230,596
Roundtrip
just found
Select Thai AirAsia X flight, departing Fri, Mar 13 from Seoul to Bangkok, returning Tue, Mar 17, priced at ₩230,596 just found
Eastar Jet
Wed, Feb 25 - Wed, Mar 11
ICN
Seoul
BKK
Bangkok
₩240,900 Roundtrip, found 12 hours ago
₩240,900
Roundtrip
found 12 hours ago
Select Eastar Jet flight, departing Wed, Feb 25 from Seoul to Bangkok, returning Wed, Mar 11, priced at ₩240,900 found 12 hours ago
Jeju Air
Sun, Mar 1 - Wed, Apr 22
ICN
Seoul
CNX
Chiang Mai
₩244,800 Roundtrip, found 1 day ago
₩244,800
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Sun, Mar 1 from Seoul to Chiang Mai, returning Wed, Apr 22, priced at ₩244,800 found 1 day ago
JIN AIR
Sat, Mar 28 - Thu, Apr 16
ICN
Seoul
BKK
Bangkok
₩245,900 Roundtrip, found 12 hours ago
₩245,900
Roundtrip
found 12 hours ago
Select JIN AIR flight, departing Sat, Mar 28 from Seoul to Bangkok, returning Thu, Apr 16, priced at ₩245,900 found 12 hours ago
AirAsia X
Thu, May 7 - Mon, May 11
ICN
Seoul
HKT
Phuket
₩245,951 Roundtrip, found 3 hours ago
₩245,951
Roundtrip
found 3 hours ago
Select AirAsia X flight, departing Thu, May 7 from Seoul to Phuket, returning Mon, May 11, priced at ₩245,951 found 3 hours ago
Vietnam Airlines
Fri, Oct 16 - Mon, Oct 19
ICN
Seoul
BKK
Bangkok
₩258,400 Roundtrip, just found
₩258,400
Roundtrip
just found
Select Vietnam Airlines flight, departing Fri, Oct 16 from Seoul to Bangkok, returning Mon, Oct 19, priced at ₩258,400 just found
T'way Air with baggage
Wed, Feb 25 - Thu, Mar 12
ICN
Seoul
BKK
Bangkok
₩280,900 Roundtrip, found 21 hours ago
₩280,900
Roundtrip
found 21 hours ago
Select T'way Air with baggage flight, departing Wed, Feb 25 from Seoul to Bangkok, returning Thu, Mar 12, priced at ₩280,900 found 21 hours ago
T'Way Air
Thu, Mar 5 - Mon, Mar 23
ICN
Seoul
BKK
Bangkok
₩288,000 Roundtrip, found 2 hours ago
₩288,000
Roundtrip
found 2 hours ago
Select T'Way Air flight, departing Thu, Mar 5 from Seoul to Bangkok, returning Mon, Mar 23, priced at ₩288,000 found 2 hours ago
Shandong Airlines
Wed, Mar 18 - Tue, Mar 31
ICN
Seoul
BKK
Bangkok
₩288,000 Roundtrip, found 3 hours ago
₩288,000
Roundtrip
found 3 hours ago
Select Shandong Airlines flight, departing Wed, Mar 18 from Seoul to Bangkok, returning Tue, Mar 31, priced at ₩288,000 found 3 hours 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 ₩226,976.
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 ₩89,300 in the last seven days. Return flights to Thailand ranged from only ₩226,976 to ₩288,000 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 ₩226,976 and ₩288,000. 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
Sat, Sep 26 - Sat, Oct 3
ICN
Seoul
DMK
Bangkok
₩226,976 Roundtrip, found 3 hours ago
₩226,976
Roundtrip
found 3 hours ago
Select Thai AirAsia flight, departing Sat, Sep 26 from Seoul to Bangkok, returning Sat, Oct 3, priced at ₩226,976 found 3 hours ago
*Available to Expedia members.