Q: How much does it cost for a return flight from Seoul to Bangkok?

Airfare is below average for this route at the moment. Seoul to Bangkok flights typically cost between ฿5,651 and ฿8,977 in September. The cheapest return flight price found within the last 3 days was ฿4,069 on T'way Air (7 Sep-11 Sep). Find deals

Question 1

How much does it cost for a return flight from Seoul to Bangkok?

Accepted Answer

Airfare is below average for this route at the moment.Seoul to Bangkok flights typically cost between ฿5,651 and ฿8,977 in September.
The cheapest return flight price found within the last 3 days was ฿4,069 on T'way Air (7 Sep-11 Sep). Find deals

Question 2

What are the cheapest airlines flying from Seoul to Bangkok round-trip?

Accepted Answer

Flying on T'way Air is currently your cheapest option to Bangkok, with prices starting at ฿4,069. Another option worth looking into is Thai AirAsia X, starting at ฿5,134 round trip. These flights start at 49% lower than the current average price 3 months from now. Find deals

Question 3

What are the cheapest airlines to fly from Seoul to Bangkok one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Seoul to Bangkok are Eastar Jet (฿2,583), Thai AirAsia X (฿2,583), and Air Busan (฿2,648). Find deals

Question 4

How far ahead should I book a flight from Seoul to Bangkok?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Seoul to Bangkok, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure. Find deals

Question 5

What is the cheapest month to book a flight from Seoul to Bangkok?

Accepted Answer

Currently, June is the cheapest month in which you can book a flight from Seoul to Bangkok (average of ฿57). Flying from Seoul to Bangkok in December is currently the most expensive (average of ฿79). 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.

Question 6

What is the cheapest day to fly from Seoul to Bangkok?

Accepted Answer

Travellers seeking maximum savings on their Seoul to Bangkok flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Seoul to Bangkok

Accepted Answer

The most flights from SEL to TH1 are scheduled on a Wednesday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Bangkok ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok when rainfall is around 10.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Bangkok, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Question 10

What are the most popular routes from Seoul to Bangkok?

Accepted Answer

The most popular flight routes from Seoul to Bangkok are Incheon Intl - Bangkok Suvarnabhumi, Incheon Intl - Bangkok Don Mueang Intl and Seoul Gimpo Intl - Bangkok Suvarnabhumi.

Question 11

What are the cheapest flights from Seoul to Bangkok?

Accepted Answer

Looking for the cheapest flight from Seoul to Bangkok? While on average our users pay ฿6,318, our data indicates the cheapest price to be ฿2,390. The most popular route (Incheon Intl - Bangkok Suvarnabhumi), is priced around ฿3,714.

Question 12

What are the most reliable airlines from Seoul to Bangkok?

Accepted Answer

Consider โอมานแอร์ (100%), AIR PREMIA (100%) or เตอร์กิชแอร์ไลน์ (98%) when booking your flight. These represent the most reliable airlines when flying from Seoul to Bangkok.

Question 13

What are the most popular airlines that fly from Seoul to Bangkok?

Accepted Answer

The most popular airlines flying from Seoul to Bangkok are Jeju Air, Asiana Airlines and Thai Airways. Something to consider prior to booking your flight.

Question 14

What is the cheapest day to fly return from Seoul to Bangkok?

Accepted Answer

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Question 15

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

Accepted Answer

Find a great deal and save up to 21% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seoul to Bangkok within the next two weeks, with the cheapest ticket starting at ฿6,652.

Question 16

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

Accepted Answer

June can be a great time to fly to Bangkok from Seoul with a flight ticket averaging about ฿8,089. Cheapflights users have found deals in the month of June for as cheap as ฿4,198. The most expensive prices can be found in the month of January.

Question 17

What is the cheapest time of day to fly from SEL to BKK?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Seoul to Bangkok at midday. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

Question 18

Can I find deals for flights from Seoul to Bangkok that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seoul to Bangkok flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 19

How can I find direct flights from Seoul to Bangkok?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Bangkok.

Question 20

Can I find deals for business class flights from Seoul to Bangkok?

Accepted Answer

Yes. Cheapflights offers flight deals from Seoul to Bangkok by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 21

How does Cheapflights help users find flights from Seoul to Bangkok?

Accepted Answer

When you search for this flight from Seoul to Bangkok, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 22

Why should you use Cheapflights to find cheap flight tickets from Seoul to Bangkok?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Seoul to Bangkok by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 23

Can Cheapflights find flights from Seoul to Bangkok with no change fees?

Accepted Answer

Certainly. Search results for flights to Bangkok from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 24

Can Cheapflights notify me if prices for flights from Seoul to Bangkok become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bangkok from Seoul today and book when prices fit your budget.

Round-trip from	฿4,069
One-way from	฿2,583
Popular in	January
Cheapest in	June
Average price	฿6,684

Airline	Cheapest	Average	Flexibility	On-time
Thai AirAsia X	Cheapest฿3,509	Average฿7,978	FlexibilityNo cancel fee	On-timeN/A	Search Thai AirAsia X flights
AIR PREMIA	Cheapest฿4,186	Average฿9,143	FlexibilityNo cancel fee	On-timeN/A	Search AIR PREMIA flights
T'way Air	Cheapest฿4,479	Average฿6,233	FlexibilityNo cancel fee	On-time88%	Search T'way Air flights
Jeju Air	Cheapest฿7,136	Average฿13,663	FlexibilityNo cancel fee	On-timeN/A	Search Jeju Air flights
Asiana Airlines	Cheapest฿7,542	Average฿13,116	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Thai Airways	Cheapest฿10,508	Average฿14,958	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Cheap flights from Seoul to Bangkok

Cheapflights Tip: The best prices from Seoul to Bangkok are usually found in June or May, booked 49 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Seoul to Bangkok

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Best time to book a flight from Seoul to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Seoul with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Bangkok

How far ahead should I book a flight from Seoul to Bangkok?

Use this chart to determine the optimal time to book a return flight from Seoul to Bangkok. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Seoul to Bangkok?

What is the cheapest time of day to fly from SEL to BKK?

Find hourly flight availability from Seoul to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 August 2025.

Weekly flight availability from Seoul to Bangkok

Explore weekly flight availability from Seoul to Bangkok. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 August 2025.

How much does it cost for a return flight from Seoul to Bangkok?

Reviews of airlines servicing Bangkok

Read through reviews of airlines operating flights from Seoul to Bangkok, such as ไห่หนานแอร์ไลน์, AIR PREMIA, andChina Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Bangkok. 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 Seoul to Bangkok round-trip?

What are the cheapest airlines to fly from Seoul to Bangkok one-way?

What are the most popular routes from Seoul to Bangkok?

What are the most reliable airlines from Seoul to Bangkok?

What are the cheapest flights from Seoul to Bangkok?

Can I find deals for flights from Seoul to Bangkok that include hotel bookings?

How can I find direct flights from Seoul to Bangkok?

Can I find deals for business class flights from Seoul to Bangkok?

What is the cheapest month to book a flight from Seoul to Bangkok?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Seoul to Bangkok

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How does Cheapflights help users find flights from Seoul to Bangkok?

Why should you use Cheapflights to find cheap flight tickets from Seoul to Bangkok?

Can Cheapflights find flights from Seoul to Bangkok with no change fees?

Can Cheapflights notify me if prices for flights from Seoul to Bangkok become cheaper?

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