Cheapflights Tip: The best prices from Bangkok to Seoul are usually found in March or February, booked 10 days in advance, depart on a Thursday or Friday and return on a Thursday
Find flight deals from Bangkok to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2026.
Popular in
May
Cheapest in
March
Average price
฿11,727
Highest demand for flights based on searches. 6% potential increase in price (฿24,720 potential increase over avg. return price).
Have a flexible travel schedule? Discover the best time to fly to Seoul from Bangkok with our price prediction graph.
TH1-SEL
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bangkok to Seoul
How far ahead should I book a flight from Bangkok to Seoul?
The best time to book flights from Bangkok to Seoul is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Bangkok to Seoul?
Currently, March is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿8,098). Flying from Bangkok to Seoul in May is currently the most expensive (average of ฿12,231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BKK to SEL?
Find hourly flight availability from Bangkok to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok to Seoul as you normally would.
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 22 October 2026.
Read reviews from past customers who have flown with Korean Air,AIR PREMIA, andThai Airways
from Bangkok to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Related info for your journey
Find useful and relevant information for your journey from Bangkok to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines flying from Bangkok to Seoul round-trip?
Cheapflights users have booked flights from Bangkok to Seoul return from ฿4,630. Other airlines that can offer you cheap pricing are Thai AirAsia, from ฿4,928, and Thai AirAsia X, from ฿5,104. Thai Vietjet Air is currently priced 56% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Bangkok to Seoul one-way?
฿2,187 is the cheapest one-way deal found within the past few days, from Thai Vietjet Air. You may also be able to find cheap deals on Thai AirAsia X and Trinity Airways (Formerly T'way Air), with prices starting from ฿3,108 and ฿3,650, respectively.
What are the most popular routes from Bangkok to Seoul?
While some choose either Bangkok Don Mueang Intl - Incheon Intl or Bangkok Suvarnabhumi - Seoul Gimpo Intl, Bangkok Suvarnabhumi - Incheon Intl is the most popular route from Bangkok to Seoul.
What are the most reliable airlines from Bangkok to Seoul?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bangkok to Seoul on time: AIR PREMIA (87%), เคนย่าแอร์เวย์ (85%), โอมานแอร์ (80%).
What are the cheapest flights from Bangkok to Seoul?
Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿16,337, our data indicates the cheapest price to be ฿4,378. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around ฿10,013.
Can I find deals for business class flights from Bangkok to Seoul?
Yes. Cheapflights offers flight deals from Bangkok to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Bangkok to Seoul?
Currently, March is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿8,098). Flying from Bangkok to Seoul in May is currently the most expensive (average of ฿12,231). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 October 2026.
Discover the top 10 airlines that operate flights from Bangkok to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 22 October 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Bangkok to Seoul?
Cheapflights helps you search for flights from Bangkok to Seoul via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Bangkok to Seoul?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Seoul.
Can Cheapflights find flights from Bangkok to Seoul with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Seoul flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Bangkok to Seoul become cheaper?
Of course! You can now track prices for flights from Bangkok to Seoul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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