$121 Find Cheap Flights from Thailand to South Korea - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Thailand to South Korea departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Thailand to South Korea

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Thailand to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Thailand to South Korea

Wed, Aug 19 - Sun, Aug 23
Air Busan Logo
12:50 am - 8:15 am-
5h 25mnonstop
Air Busan Logo
7:55 pm - 11:50 pm-
5h 55mnonstop
$256Air Busan
Sat, Sep 5 - Sun, Sep 20
Air Busan Logo
12:50 am - 8:15 am-
5h 25mnonstop
Air Busan Logo
7:55 pm - 11:50 pm-
5h 55mnonstop
$261Air Busan
Wed, Sep 9 - Wed, Sep 16
Jin Air Logo
11:40 pm - 7:05 am-
5h 25mnonstop
Jin Air Logo
6:55 pm - 10:40 pm-
5h 45mnonstop
$261Jin Air
Thu, Oct 15 - Sat, Oct 24
Multiple Airlines Logo
10:15 pm - 7:05 am-
6h 50m
Multiple Airlines Logo
7:05 pm - 10:40 pm-
5h 35mnonstop
$270Multiple Airlines
Wed, Aug 26 - Fri, Aug 28
Thai Vietjet Air Logo
2:25 am - 10:00 am-
5h 35mnonstop
Thai Vietjet Air Logo
12:10 pm - 4:00 pm-
5h 50mnonstop
$281Thai Vietjet Air
Thu, Aug 20 - Tue, Sep 15
Jeju Air Logo
1:10 am - 8:55 am-
5h 45mnonstop
Jeju Air Logo
8:05 pm - 12:10 am-
6h 05mnonstop
$281Jeju Air
Wed, Sep 23 - Sun, Sep 27
Thai Vietjet Air Logo
2:25 am - 10:00 am-
5h 35mnonstop
Thai Vietjet Air Logo
12:10 pm - 4:00 pm-
5h 50mnonstop
$286Thai Vietjet Air
Tue, Oct 13 - Mon, Oct 19
Vietnam Airlines Logo
10:15 pm - 4:35 pm-
16h 20m
Vietnam Airlines Logo
6:05 pm - 10:50 am-
18h 45m
$286Vietnam Airlines
Fri, Oct 2 - Sat, Oct 10
Vietnam Airlines Logo
7:30 pm - 4:25 pm-
18h 55m
Vietnam Airlines Logo
6:05 pm - 10:50 am-
18h 45m
$287Vietnam Airlines
Wed, Sep 16 - Sun, Sep 20
Jeju Air Logo
1:10 am - 8:55 am-
5h 45mnonstop
Jeju Air Logo
8:05 pm - 12:10 am-
6h 05mnonstop
$315Jeju Air
Booking Insights

KAYAK's insights & trends for flights to South Korea

Get data-powered insights and trends for flights to South Korea to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to South Korea?

These are the best round-trip prices found by users searching on KAYAK in the last 5 days.

The cheapest ticket to South Korea from Thailand found in the last 5 days was to Incheon Intl Airport, at $155 round-trip. The most popular route is Bangkok Suvarnabhumi Airport (BKK) to Incheon Intl Airport (ICN) and the cheapest round-trip airline ticket found on this route in the last 5 days was $155.

What is the cheapest month to fly from Thailand to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Thailand to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Thailand to South Korea is September, when tickets cost $128 (return) on average. On the other hand, the most expensive months are March and October, when the average cost of round-trip tickets is $256 and $207 respectively.

What is the cheapest time of day to fly to South Korea?

The average price for all round-trip flights from Thailand to South Korea depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to South Korea is generally at night, when round-trip flights cost $585 on average. The most expensive time of day to fly to South Korea is generally in the morning, which is peak travel time and where the average cost of a ticket is $984.

How far in advance should I book a flight from Thailand to South Korea?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to South Korea, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Thailand to South Korea, you should book around 2 weeks before departure, which saves you about 8% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Which is the cheapest airport to fly into in South Korea?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in South Korea is Busan Gimhae Airport (PUS), with an average flight price of $158.

Good to know

Low season

August

Cheapest flight

$121
Most popular time to fly and prices are also 10% lower on average.
Flight from Chiang Mai to Incheon

Flights from Thailand to South Korea: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Thailand to South Korea 
Verified travelerFlew with Asiana Airlines-Jun 2025
Do not check a suitcase take a carry on
ArthurFlew with Delta-Jul 2024
Make sure to select an aisle seat. Korean Aur flight attendants are. very nice and try to help . My overhearing light was broken !

FAQs for booking flights from Thailand to South Korea

  • How does KAYAK find such low prices on flights from Thailand to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Thailand to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Thailand to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Thailand to South Korea is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Thailand to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Thailand to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Thailand to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Thailand to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to South Korea?

    Based on KAYAK data, the cheapest day to fly to South Korea is Friday where round-trip tickets can be as cheap as $707. On the other hand, the most expensive day to fly is Wednesday, where round-trip prices are $987 on average.

Everything you need to know for your flight to South Korea

Cabin class types available on flights to South Korea

Cabin classes available on flights to South Korea. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.