Cheap Flights to Thailand from ₩91,300

View ₩91,300 flight on Wed, Mar 25, 2026Opens in a new window

Popular airlines to Thailand

  • Qatar Airways

  • Singapore Airlines

  • Emirates

  • Cathay Pacific

  • Turkish Airlines

  • Malaysia Airlines

  • Thai Airways International

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Thailand?

Prices were available within the past 7 days and start at ₩91,300 for one-way flights and ₩241,347 for 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 4 hours ago
₩241,347
Roundtrip
found 4 hours ago
Select Thai AirAsia flight, departing Fri, Jan 8 from Seoul to Bangkok, returning Thu, Jan 14, priced at ₩241,347 found 4 hours ago
JIN AIR
Mon, Jun 29 - Fri, Jul 3
ICN
Seoul
BKK
Bangkok
₩247,600 Roundtrip, found 7 hours ago
₩247,600
Roundtrip
found 7 hours ago
Select JIN AIR flight, departing Mon, Jun 29 from Seoul to Bangkok, returning Fri, Jul 3, priced at ₩247,600 found 7 hours ago
Thai AirAsia X
Wed, Apr 22 - Thu, Apr 23
ICN
Seoul
DMK
Bangkok
₩250,825 Roundtrip, found 2 days ago
₩250,825
Roundtrip
found 2 days ago
Select Thai AirAsia X flight, departing Wed, Apr 22 from Seoul to Bangkok, returning Thu, Apr 23, priced at ₩250,825 found 2 days ago
AirAsia X
Fri, Mar 27 - Tue, Mar 31
ICN
Seoul
CNX
Chiang Mai
₩251,450 Roundtrip, found 1 day ago
₩251,450
Roundtrip
found 1 day ago
Select AirAsia X flight, departing Fri, Mar 27 from Seoul to Chiang Mai, returning Tue, Mar 31, priced at ₩251,450 found 1 day ago
Jeju Air
Fri, Mar 27 - Mon, Apr 20
PUS
Busan
BKK
Bangkok
₩257,400 Roundtrip, found 2 days ago
₩257,400
Roundtrip
found 2 days ago
Select Jeju Air flight, departing Fri, Mar 27 from Busan to Bangkok, returning Mon, Apr 20, priced at ₩257,400 found 2 days ago
Eastar Jet
Thu, May 28 - Sun, May 31
PUS
Busan
CNX
Chiang Mai
₩266,600 Roundtrip, found 3 days ago
₩266,600
Roundtrip
found 3 days ago
Select Eastar Jet flight, departing Thu, May 28 from Busan to Chiang Mai, returning Sun, May 31, priced at ₩266,600 found 3 days ago
Vietnam Airlines
Thu, Oct 15 - Mon, Oct 19
PUS
Busan
HKT
Phuket
₩279,600 Roundtrip, found 2 days ago
₩279,600
Roundtrip
found 2 days ago
Select Vietnam Airlines flight, departing Thu, Oct 15 from Busan to Phuket, returning Mon, Oct 19, priced at ₩279,600 found 2 days ago
Vietnam Airlines
Mon, Jun 29 - Sat, Jul 4
ICN
Seoul
HKT
Phuket
₩282,200 Roundtrip, found 4 days ago
₩282,200
Roundtrip
found 4 days ago
Select Vietnam Airlines flight, departing Mon, Jun 29 from Seoul to Phuket, returning Sat, Jul 4, priced at ₩282,200 found 4 days ago
Thai AirAsia
Mon, Nov 16 - Fri, Nov 20
ICN
Seoul
KBV
Krabi
₩291,965 Roundtrip, found 5 days ago
₩291,965
Roundtrip
found 5 days ago
Select Thai AirAsia flight, departing Mon, Nov 16 from Seoul to Krabi, returning Fri, Nov 20, priced at ₩291,965 found 5 days ago
Thai AirAsia
Sun, Sep 6 - Sat, Oct 31
ICN
Seoul
CEI
Chiang Rai
₩336,840 Roundtrip, found 5 days ago
₩336,840
Roundtrip
found 5 days ago
Select Thai AirAsia flight, departing Sun, Sep 6 from Seoul to Chiang Rai, returning Sat, Oct 31, priced at ₩336,840 found 5 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
Fri, Jan 8 - Thu, Jan 14
ICN
Seoul
DMK
Bangkok
₩241,347 Roundtrip, found 4 hours ago
₩241,347
Roundtrip
found 4 hours ago
Select Thai AirAsia flight, departing Fri, Jan 8 from Seoul to Bangkok, returning Thu, Jan 14, priced at ₩241,347 found 4 hours 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 ₩241,347.
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 ₩91,300 in the last seven days. Return flights to Thailand ranged from only ₩241,347 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 ₩241,347 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.

Book with confidence

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.
About Thailand

Explore a world of travel with Expedia

*Available to Expedia members.