Cheap Flights to Thailand from ₩40,021

View ₩40,021 flight on Mon, Mar 16, 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 ₩40,021 for one-way flights and ₩80,042 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Mon, Mar 16 - Thu, Mar 19
BKK
Bangkok
UTH
Udon Thani
₩80,042 Roundtrip, found 5 days ago
₩80,042
Roundtrip
found 5 days ago
Select Thai AirAsia flight, departing Mon, Mar 16 from Bangkok to Udon Thani, returning Thu, Mar 19, priced at ₩80,042 found 5 days ago
Thai AirAsia
Fri, Feb 13 - Sat, Feb 14
BKK
Bangkok
UTH
Udon Thani
₩80,068 Roundtrip, found 4 days ago
₩80,068
Roundtrip
found 4 days ago
Select Thai AirAsia flight, departing Fri, Feb 13 from Bangkok to Udon Thani, returning Sat, Feb 14, priced at ₩80,068 found 4 days ago
Thai AirAsia
Thu, Feb 12 - Thu, Feb 19
BKK
Bangkok
UTH
Udon Thani
₩80,338 Roundtrip, found 2 days ago
₩80,338
Roundtrip
found 2 days ago
Select Thai AirAsia flight, departing Thu, Feb 12 from Bangkok to Udon Thani, returning Thu, Feb 19, priced at ₩80,338 found 2 days ago
Thai AirAsia
Wed, Mar 4 - Mon, Mar 9
BKK
Bangkok
UTH
Udon Thani
₩80,886 Roundtrip, found 23 hours ago
₩80,886
Roundtrip
found 23 hours ago
Select Thai AirAsia flight, departing Wed, Mar 4 from Bangkok to Udon Thani, returning Mon, Mar 9, priced at ₩80,886 found 23 hours ago
Thai AirAsia
Thu, Jan 22 - Sun, Jan 25
BKK
Bangkok
UTH
Udon Thani
₩80,966 Roundtrip, found 22 hours ago
₩80,966
Roundtrip
found 22 hours ago
Select Thai AirAsia flight, departing Thu, Jan 22 from Bangkok to Udon Thani, returning Sun, Jan 25, priced at ₩80,966 found 22 hours ago
Thai AirAsia
Thu, Apr 9 - Fri, Apr 10
BKK
Bangkok
UTH
Udon Thani
₩81,196 Roundtrip, found 1 day ago
₩81,196
Roundtrip
found 1 day ago
Select Thai AirAsia flight, departing Thu, Apr 9 from Bangkok to Udon Thani, returning Fri, Apr 10, priced at ₩81,196 found 1 day ago
Thai AirAsia
Mon, Mar 16 - Thu, Mar 19
DMK
Bangkok
UTH
Udon Thani
₩84,754 Roundtrip, found 5 days ago
₩84,754
Roundtrip
found 5 days ago
Select Thai AirAsia flight, departing Mon, Mar 16 from Bangkok to Udon Thani, returning Thu, Mar 19, priced at ₩84,754 found 5 days ago
Thai Lion Mantari
Mon, Jan 5 - Thu, Jan 22
DMK
Bangkok
HKT
Phuket
₩108,300 Roundtrip, found 6 days ago
₩108,300
Roundtrip
found 6 days ago
Select Thai Lion Mantari flight, departing Mon, Jan 5 from Bangkok to Phuket, returning Thu, Jan 22, priced at ₩108,300 found 6 days ago
Thai Airways International
Wed, Mar 4 - Mon, Mar 9
BKK
Bangkok
UTH
Udon Thani
₩184,600 Roundtrip, found 23 hours ago
₩184,600
Roundtrip
found 23 hours ago
Select Thai Airways International flight, departing Wed, Mar 4 from Bangkok to Udon Thani, returning Mon, Mar 9, priced at ₩184,600 found 23 hours ago
Bangkok Airways
Fri, Feb 13 - Tue, Feb 17
BKK
Bangkok
CNX
Chiang Mai
₩278,200 Roundtrip, found 18 hours ago
₩278,200
Roundtrip
found 18 hours ago
Select Bangkok Airways flight, departing Fri, Feb 13 from Bangkok to Chiang Mai, returning Tue, Feb 17, priced at ₩278,200 found 18 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 ₩80,042.
How much is a flight to Thailand?
If you were flying one way from Bangkok (BKK), you could've picked up a bargain fare for ₩40,021 in the last seven days. Return flights to Thailand ranged from only ₩80,042 to ₩278,200 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 ₩80,042 and ₩278,200. 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
Sun, Mar 15 - Thu, Mar 19
ICN
Seoul
DMK
Bangkok
₩208,277 Roundtrip, found 3 days ago
₩208,277
Roundtrip
found 3 days ago
Select Thai AirAsia X flight, departing Sun, Mar 15 from Seoul to Bangkok, returning Thu, Mar 19, priced at ₩208,277 found 3 days ago
*Available to Expedia members.