This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. 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.
SEL — BKK
12 Dec — 19 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find flights from Seoul within your budget
Find flights departing from Seoul that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 November 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Tue 9/3
20:40-22:25
Nonstop1h 45m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿2,795
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Tue 15/12
16:55-18:40
Nonstop1h 45m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿2,828
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Mon 30/11
20:40-22:25
Nonstop1h 45m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿3,098
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Tue 26/1
19:10-21:00
Nonstop1h 50m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿3,300
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Tue 16/2
20:40-22:25
Nonstop1h 45m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿3,603
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Tue 12/1
19:10-21:00
Nonstop1h 50m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿3,839
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Thu 7/1
14:10-16:00
Nonstop1h 50m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿3,906
IncheonHong Kong
ICN Incheon Intl - HKG Hong Kong Intl
ICNHKG
Incheon Intl
Thu 3/12
19:15-22:35
Nonstop4h 20m
Hong Kong Intl
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿4,041
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Fri 11/12
14:10-16:00
Nonstop1h 50m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿4,108
IncheonOsaka
ICN Incheon Intl - KIX Osaka Kansai Intl
ICNKIX
Incheon Intl
Sat 13/2
19:10-21:00
Nonstop1h 50m
Osaka Kansai Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
฿4,175
Flights are sorted by cheapest return flights first.
Deals found on 9/11
Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Seoul
Have a flexible travel schedule? Discover the best time to fly from Seoul with our price prediction graph.
SEL-BKK
ICN-KIX
ICN-NRT
ICN-HKG
ICN-BKK
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.
Travel insights for flights from Seoul
Get recent, data-driven insights about flights from Seoul including ideal travel times, pricing trends, and more.
SEL-BKK
ICN-KIX
ICN-NRT
ICN-HKG
ICN-BKK
What is the cheapest month to book a flight from Seoul?
Currently, March is the cheapest month in which you can book a flight from Seoul (average of ฿6,734). Flying from Seoul in July will prove the most costly (average of ฿11,415). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Seoul?
Only one airline operates round-trip flights from Seoul: Thai Airways. This airline flies to the following popular destinations: Bangkok.
What are popular destinations to fly to from Seoul?
If you’re flying from Seoul, these routes are more frequently taken by airlines Tokyo (1,228 flights per day), Osaka (1,214 flights per day) and Jeju City (812 flights per day).
When is the best time to book a flight from Seoul?
Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Airline reviews for flights from Seoul
Get insights into the airlines that provide service from Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seoul. In the last 7 days, Cheapflights users made a total of 7,457,451 searches.
Check out reviews from past customers who have flown Thai Airways from Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Consider departing from one of these cities also located in South Korea. Flight origins are based on user searches made on Cheapflights and were last updated on 12 November 2026.
Consider these popular destinations that Cheapflights users have chosen when departing from Seoul. Routes are based on user searches and were last updated on 12 November 2026.
Access useful and relevant information related to your journey from Seoul. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 November 2026.
What are the most popular destinations to fly to from Seoul?
The most selected flight destinations from Seoul for the current month are Fukuoka, Da Nang, Bangkok Suvarnabhumi Airport. While Fukuoka, Da Nang, Nha Trang are the top choices made by travellers year-round.
Which is the cheapest airport to catch a flight from Seoul?
Incheon Intl airport offers the cheapest routes to Bangkok, from ฿9,529; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to Bangkok, from ฿10,674. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.
What is the cheapest month to fly from Seoul?
At the present moment the cheapest month to fly from Seoul is currently March; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.
Where are the cheapest places to fly to from Seoul?
Here are some of the cheapest flight destinations from Seoul: Fly from Seoul to Phuket City from ฿9,529 Fly from Seoul to Bangkok from ฿10,102 Fly from Seoul to Chiang Mai from ฿10,304
How does Cheapflights help users find flights from Seoul?
Cheapflights makes it easy to find flights from Seoul by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Seoul?
Millions of users choose and trust Cheapflights to book the best flight deals from Seoul for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seoul with no change fees?
Yes, we can. To see specific flights from Seoul with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Seoul become cheaper?
Not ready to book yet? You can track prices for flights from Seoul on Cheapflights with our Price Alerts feature and get notified when better prices are available.
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How does Cheapflights help users find flights from Seoul?
Cheapflights makes it easy to find flights from Seoul by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Seoul?
Millions of users choose and trust Cheapflights to book the best flight deals from Seoul for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seoul with no change fees?
Yes, we can. To see specific flights from Seoul with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Seoul become cheaper?
Not ready to book yet? You can track prices for flights from Seoul on Cheapflights with our Price Alerts feature and get notified when better prices are available.
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