Question 1

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

Accepted Answer

To fly one-way, consider booking your trip with Jeju Air, which is currently one of the cheapest options available, starting at £21. Cebu Pacific flights start at £50 while deals on AirAsia X start at £90 one-way.

Question 2

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

Accepted Answer

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southeast Asia to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 3

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

Accepted Answer

Currently, July is the cheapest month in which you can book a flight from Southeast Asia to Seoul (average of £207). Flying from Southeast Asia to Seoul in December is currently the most expensive (average of £316). 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 4

What is the cheapest day to fly from Southeast Asia to Seoul?

Accepted Answer

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

Question 5

Weekly flight availability from Southeast Asia to Seoul

Accepted Answer

The most flights from zzYJX to SEL are scheduled on a Monday (45 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (39 on average).

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 8

What are the most popular routes from Southeast Asia to Seoul?

Accepted Answer

The most popular flight routes from Southeast Asia to Seoul are Bangkok Suvarnabhumi - Incheon Intl, Bangkok Suvarnabhumi - Seoul Gimpo Intl and Singapore Changi - Seoul Gimpo Intl.

Question 9

What are the cheapest flights from Southeast Asia to Seoul?

Accepted Answer

Looking for the cheapest flight from Southeast Asia to Seoul? While on average our users pay £559, our data indicates the cheapest price to be £98. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around £259.

Question 10

What are the most reliable airlines from Southeast Asia to Seoul?

Accepted Answer

Before booking your flight to Seoul from Southeast Asia, check out the most reliable airlines to get you to your destination on time: Kenya Airways (87%), Thai Vietjet Air (87%), Kuwait Airways( 85%).

Question 11

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

Accepted Answer

Korean Air, AirAsia X and Cebu Pacific are the most popular airlines when flying from Southeast Asia to Seoul.

Question 12

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

Accepted Answer

It’s optimal to fly from Southeast Asia to Seoul in the afternoon. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight in the morning.

Question 13

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

Accepted Answer

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

Question 14

How can I find direct flights from Southeast Asia to Seoul?

Accepted Answer

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

Question 15

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

Accepted Answer

Yes. Cheapflights offers flight deals from Southeast Asia 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.

Question 16

How does Cheapflights help users find flights from Southeast Asia to Seoul?

Accepted Answer

Cheapflights helps you search for flights from Southeast Asia 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.

Question 17

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Southeast Asia to Seoul for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 18

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

Accepted Answer

Need flexible booking options for your flight to Seoul from Southeast Asia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 19

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

Accepted Answer

Yes! Start tracking prices for Southeast Asia to Seoul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Airline	Cheapest	Average	Flexibility	On-time
Philippines AirAsia	Cheapest£63	Average£164	FlexibilityNo cancel fee	On-time53%	Search Philippines AirAsia flights
Cebu Pacific	Cheapest£99	Average£217	FlexibilityNo cancel fee	On-time64%	Search Cebu Pacific flights
Trinity Airways (Formerly T'way Air)	Cheapest£113	Average£269	FlexibilityNo cancel fee	On-time88%	Search Trinity Airways (Formerly T'way Air) flights
Jeju Air	Cheapest£132	Average£254	FlexibilityNo cancel fee	On-timeN/A	Search Jeju Air flights
Cathay Pacific	Cheapest£139	Average£155	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Philippine Airlines	Cheapest£142	Average£218	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
Asiana Airlines	Cheapest£206	Average£329	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Korean Air	Cheapest£234	Average£331	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Singapore Airlines	Cheapest£305	Average£395	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Cheap flights from Southeast Asia to Seoul

Cheapflights Insights

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

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southeast Asia to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

It’s optimal to fly from Southeast Asia to Seoul in the afternoon. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Southeast Asia to Seoul?

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

Weekly flight availability from Southeast Asia to Seoul

The most flights from zzYJX to SEL are scheduled on a Monday (45 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (39 on average).

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 15 October 2026.

Get a feel of what it's like to fly with Korean Air,Cathay Pacific, andJeju Air from Southeast Asia to Seoul by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most popular routes from Southeast Asia to Seoul?

What are the most reliable airlines from Southeast Asia to Seoul?

What are the cheapest flights from Southeast Asia to Seoul?

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

How can I find direct flights from Southeast Asia to Seoul?

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

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

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Alternative routes for Southeast Asia to Seoul

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

Complete your trip

Complete your trip to Seoul by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to South Korea

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Search flights from Southeast Asia to Seoul by cabin class

Find flights from Southeast Asia to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southeast Asia and Seoul flights

Browse other Southeast Asia and Seoul flight options. Last updated on 15 October 2026.

Popular flight searches

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Other flights to Seoul

Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Top 9 airlines flying from Southeast Asia to Seoul

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How does Cheapflights help users find flights from Southeast Asia to Seoul?

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

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

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

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