฿3,197 Find Cheap Flights from Seoul to Thailand – 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 Seoul to Thailand departing on 6/9. 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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Flight Deals

Best Thailand Flight Deals from Seoul

Cheapest return prices found by our users on KAYAK in the last 72 hours
Bangkok
Bangkok1 stop฿7,943
Chiang Mai
Chiang Maidirect฿8,280
Phuket City
Phuket City1 stop฿7,573
Krabi
Krabi1 stop฿10,299
Ko Samui
Ko Samui1 stop฿14,001
Chiang Rai
Chiang Rai1 stop฿10,232
Surat Thani
Surat Thani1 stop฿12,823
Bangkok
Bangkok1 stop฿7,943
Chiang Mai
Chiang Maidirect฿8,280
Phuket City
Phuket City1 stop฿7,573
Krabi
Krabi1 stop฿10,299
Ko Samui
Ko Samui1 stop฿14,001
Chiang Rai
Chiang Rai1 stop฿10,232
Surat Thani
Surat Thani1 stop฿12,823

Cheap Flights from Seoul to Thailand

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seoul to Thailand 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 return flight deals from Seoul to Thailand

Thu 10 Sep - Tue 15 Sep
Vietnam Airlines Logo
10:35 - 17:50
ICN
-
HKT
9h 15m
1 stop
Vietnam Airlines Logo
18:45 - 16:25
HKT
-
ICN
19h 40m
1 stop
฿7,573Vietnam Airlines
Thu 10 Sep - Tue 15 Sep
Vietnam Airlines Logo
10:35 - 17:50
ICN
-
HKT
9h 15m
1 stop
Vietnam Airlines Logo
18:45 - 16:25
HKT
-
ICN
19h 40m
1 stop
฿7,607Vietnam Airlines
Thu 22 Oct - Mon 26 Oct
Vietnam Airlines Logo
10:35 - 17:50
ICN
-
HKT
9h 15m
1 stop
Vietnam Airlines Logo
18:50 - 16:25
HKT
-
ICN
19h 35m
1 stop
฿7,640Vietnam Airlines
Fri 23 Oct - Tue 27 Oct
Vietnam Airlines Logo
17:55 - 17:50
ICN
-
HKT
25h 55m
1 stop
Vietnam Airlines Logo
18:50 - 16:25
HKT
-
ICN
19h 35m
1 stop
฿7,775Vietnam Airlines
Fri 11 Sep - Tue 15 Sep
Vietnam Airlines Logo
17:55 - 17:50
ICN
-
HKT
25h 55m
1 stop
Vietnam Airlines Logo
18:45 - 16:25
HKT
-
ICN
19h 40m
1 stop
฿7,775Vietnam Airlines
Tue 1 Sep - Tue 15 Sep
Vietnam Airlines Logo
10:35 - 17:50
ICN
-
HKT
9h 15m
1 stop
Vietnam Airlines Logo
18:45 - 06:40
HKT
-
ICN
9h 55m
1 stop
฿7,809Vietnam Airlines
Tue 13 Oct - Sat 17 Oct
Vietnam Airlines Logo
10:35 - 17:50
ICN
-
HKT
9h 15m
1 stop
Vietnam Airlines Logo
18:45 - 16:25
HKT
-
ICN
19h 40m
1 stop
฿7,809Vietnam Airlines
Wed 21 Oct - Sun 25 Oct
Vietnam Airlines Logo
17:55 - 17:50
ICN
-
HKT
25h 55m
1 stop
Vietnam Airlines Logo
18:50 - 16:25
HKT
-
ICN
19h 35m
1 stop
฿7,809Vietnam Airlines
Thu 10 Sep - Sun 13 Sep
AIR PREMIA Logo
17:15 - 21:10
ICN
-
BKK
5h 55mdirect
AIR PREMIA Logo
22:45 - 06:15
BKK
-
ICN
5h 30mdirect
฿8,852AIR PREMIA
Thu 13 Aug - Fri 14 Aug
AIR PREMIA Logo
17:15 - 21:10
ICN
-
BKK
5h 55mdirect
AIR PREMIA Logo
22:45 - 06:15
BKK
-
ICN
5h 30mdirect
฿8,852AIR PREMIA
Booking Insights

KAYAK's insights & trends for Seoul to Thailand flights

Get data-powered insights and trends into flights from Seoul to Thailand to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Seoul to Thailand flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Thailand from Seoul found in the last 5 days was to Bangkok, at ฿4,925 return. The most popular route is from Incheon Intl Airport (ICN) to Bangkok Don Mueang Intl Airport (DMK), and the cheapest return airline ticket found on this route in the last 5 days was ฿4,925.

What is the cheapest time of day to fly to Thailand?

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

The cheapest time of day to fly to Thailand is generally in the evening, when retur flights cost ฿8,626 on average. Morning departures are around 4% more expensive than evening flights, on average. The most expensive time of day to fly to Thailand is generally at night, which is peak travel time and where the average cost of a ticket is ฿12,129.

Can I save money by flying with a stopover from Seoul to Thailand?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of ฿10,483, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Seoul to Thailand?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seoul to Thailand, 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 Seoul to Thailand is September, when tickets cost ฿5,621 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of return tickets is ฿11,376 and ฿11,073 respectively.

What’s the cheapest day of the week to fly from Seoul to Thailand?

The average price of all round-trip flights from Seoul to Thailand clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Seoul to Thailand, look for departures on Fridays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from Thailand, Sunday is the cheapest day to fly and Tuesday is the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seoul to Thailand, 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 a flight from Seoul to Thailand, you should book around 2 weeks before departure, which saves you about 13% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low season

June

Cheapest flight

฿3,197
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Seoul Incheon Airport to Chiang Mai

FAQs - booking Thailand flights

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

    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 Seoul to Thailand.

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

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

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Seoul to Thailand 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 Seoul to Thailand?

    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 Seoul to Thailand up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Seoul to Thailand

 
Need help choosing which airline to fly with from Seoul to Thailand? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
AIR PREMIAOverall score based on 101 reviews
7.2Food
8.8Crew
8.0Boarding
8.1Comfort
6.9Entertainment
Airline reviews

Courteous crew and effective service on-board. Good leg room. Areas for improvement: 1. Limited menu meal menu options. During checking there was no means provided to select meal option. On our return flight the first meal had Pork and Beef options only. Fortunately the second meal had Chicken as an option. Otherwise we would have gone without meal through 13+ hrs of journey, 2. Limited choice and very limited number of movies and TV shows.

8.0 ExcellentAnonymous, May 2026
ICN - EWR
Read more AIR PREMIA reviews

Courteous crew and effective service on-board. Good leg room. Areas for improvement: 1. Limited menu meal menu options. During checking there was no means provided to select meal option. On our return flight the first meal had Pork and Beef options only. Fortunately the second meal had Chicken as an option. Otherwise we would have gone without meal through 13+ hrs of journey, 2. Limited choice and very limited number of movies and TV shows.

I booked this airline twice. The first time, they cancelled the flight due to destination weather condition but without offering any optional flight but only a cancelation notice sent via SMS. I had no choice but to re-book United airline with the same travel date and destination. (no impact on the weather condition Air Premia claimed) The second time, my husband missed the flight due to local traffic in Seoul. Normally, all major airline would helped you to re-book the same flight next day with changing fee only. But Air Premia offered nothing and only requested my husband to re-book a full price ticket.

Don't splurge for the Premium Wide Economy. They compare it to business class. This is not business class, and the seats are very uncomfortable.

For the second meal, the different food choices ran out both times so we were only offered one.

The crews were friendly, professional and courteous. Checking in was easy and smooth. The best part is, as we all know, the price.

Food quality is poor. Flight attendants are very friendly and professional.

I flew on Zip Air on the way to Asia so I can compare. The two airlines are night and day. Air Premia was so amazing compared to Zip Air. I have flown Korean Air in the past and I honestly don’t know the difference between Air Premia and the “non-budget” airlines. My Air Premia flight provided me two bags whereas I had to pay for Zip Air. On my under 11 hour flight, we were provided two full meals! The flight attendants were so kind and polite.

For the price, the overall experience was what I expected. The prices were fair and competitive, the staff friendly and more responsive than other airlines, and seating spacious. The downside was food portion size, but I'll gladly pay a few dollars more for the hot noodles or other supplemental snacks, given the more affordable ticket prices. I don't mind the absence of Hollywood movie programming if that leads to inflated ticket prices. Wi-Fi worked well. In addition to spacious seating for the Wide Premiium, I'd suggest foot rests to complement the calf rests. There're problems with booking Air Premia tickets at the home website. The underlying app engine won't process non-Korean credit cards, which is a major oversight, probably hurting the company's bottom line. I can go to Kayak or a third-party website to book Air Premia tickets, but it's an awkward work-around when other airlines don't have to resort to this tactic.

As it's a budget airline it's pretty basic. But the quality of crew and plane is excellent.

Maybe the reimbursement voucher should have been larger than a 10k won. That voucher is only for refreshments. The flight was delayed or pushed to more than 5 hours. It should be more than just 10k won and it was already past midnight. Some people or passengers like who was already there 5 hours prior to the original flight departure. 4pm** That was the only unfortunate thing about it . Other than that it was good .

Everything you need to know for your flight from Seoul to Thailand

Cabin class types available on flights to Thailand

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