Find flights
Airlines
Thailand (ภาษาไทย)
ภาษาไทย

฿1,428+ Cheap flights from Seoul

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. 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
24 Aug — 31 Aug1
1 adult

What to know about flights from Seoul

Discover essential information about flights departing from Seoul, including flight schedules, destinations, airlines operating at the Seoul airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 August 2025.

Good round-trip deal

฿4,933 or less

Good one-way deal

฿1,402 or less
Price to beat on a round-trip flight from Seoul.
Search Deals
Price to beat on a one-way flight from Seoul.
Search Deals

Find flights from Seoul

Cheapest flights from Seoul
Explore the most affordable flight options available from Seoul. Find the lowest fares based on data from user searches, with prices last updated on 19 August 2025.

Fri 19/918:05ICN - BKK
1 stop18h 45mVietnam Airlines
Wed 24/919:05BKK - ICN
1 stop19h 30mVietnam Airlines
Deal found 18/8฿4,025
Thu 28/818:00ICN - BKK
Nonstop6h 05mT'way Air
Tue 2/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,318
Sun 31/818:00ICN - BKK
Nonstop6h 00mT'way Air
Wed 3/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,447
Sun 21/918:00ICN - BKK
Nonstop6h 05mT'way Air
Sat 27/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,480
Thu 28/818:00ICN - BKK
Nonstop6h 05mT'way Air
Mon 1/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,512
Fri 29/818:00ICN - BKK
Nonstop6h 05mT'way Air
Mon 1/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,545
Mon 22/918:00ICN - BKK
Nonstop6h 05mT'way Air
Fri 26/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 18/8฿4,610
Wed 17/918:00ICN - BKK
Nonstop6h 05mT'way Air
Thu 18/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,642
Mon 1/918:00ICN - BKK
Nonstop6h 05mT'way Air
Thu 11/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,675
Mon 1/918:00ICN - BKK
Nonstop6h 05mT'way Air
Mon 8/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 16/8฿4,707
Fri 19/918:00ICN - BKK
Nonstop6h 05mT'way Air
Wed 24/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 17/8฿4,740
Sun 31/811:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Thu 4/902:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Deal found 17/8฿5,389

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 19 August 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 1/12

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 3/12

01:30-09:00

Nonstop5h 30m

฿4,740

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 18/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 19/11

01:30-09:00

Nonstop5h 30m

฿4,740

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 10/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 10/9

00:05-07:40

Nonstop5h 35m

฿4,967

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 16/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/9

00:05-07:40

Nonstop5h 35m

฿4,967

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 16/9

00:05-07:40

Nonstop5h 35m

฿4,967

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 11/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 16/9

00:05-07:40

Nonstop5h 35m

฿4,967

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 20/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 22/9

00:05-07:40

Nonstop5h 35m

฿4,967

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 14/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/9

00:05-07:40

Nonstop5h 35m

฿4,967

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Sun 7/9

11:35-15:45

Nonstop6h 10m

Bangkok Don Mueang Intl

Thu 11/9

02:45-10:20

Nonstop5h 35m

฿5,616

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Fri 5/9

11:35-15:45

Nonstop6h 10m

Bangkok Don Mueang Intl

Sat 13/9

02:45-10:20

Nonstop5h 35m

฿5,746

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 60 results
1
2
3
...
6

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.
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.

When is the best time to book a flight from Seoul?

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

Booking 49 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.

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

Currently, July is the cheapest month in which you can book a flight from Seoul (average of ฿4,090). Flying from Seoul in January will prove the most costly (average of ฿7,402). 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?

Many airlines operate round-trip flights from Seoul: Thai AirAsia X, Thai Airways, Jeju Air, Asiana Airlines, T'way Air. These airlines fly to the following popular destinations: Bangkok.

Jeju Air
Jeju Air
From ฿221
Thai AirAsia X
Thai AirAsia X
From ฿109
Thai Airways
Thai Airways
From ฿327
Asiana Airlines
Asiana Airlines
From ฿234

What are popular destinations to fly to from Seoul?

If you’re flying from Seoul, these routes are more frequently taken by airlines Tokyo (966 flights per day), Jeju City (830 flights per day) and Osaka (828 flights per day).

Osaka
Osaka
From ฿38
Vientiane Wattay
Vientiane Wattay
From ฿816

What is the cheapest place to fly to from Seoul?

The cheapest city to fly to from Seoul is Osaka, with prices starting at ฿1,226. Explore other affordable destinations below.

Osaka
Osaka
From ฿38

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 17,341 searches.
Check out reviews from past customers who have flown AIR PREMIA, Asiana Airlines, andThai 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.
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Food

7.3

Entertainment

6.8

Overall

8.2

Comfort

8.4

Crew

8.9

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Food

7.3

Entertainment

6.8

Overall

8.2

Comfort

8.4

Crew

8.9

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.
Asiana Airlines
8.2
Very Good
476 reviews
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Food

7.3

Entertainment

6.8

Overall

8.2

Comfort

8.4

Crew

8.9

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.
Thai Airways
7.8
Good
344 reviews
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Food

7.3

Entertainment

6.8

Overall

8.2

Comfort

8.4

Crew

8.9

Reviews

1 / 6
8.0
Excellent

Bonnie,Aug 2025

ICN - LAX

Baggage check took two hours. The flight didn't take off until 12:45. I arrived at the airport at 9 am, expecting to be able to check in my two bags quickly. The baggage counter didn't open until 10 am. Families of 4 would take 15-20 minutes to check in luggage. My suggestion would be to open the baggage check-in sooner and also figure out a way for the service crew to check in customers' luggage faster.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly your favourite airline from Seoul

Browse through various options for flying your favourite airline from Seoul. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2025.
Thai AirAsia X flights from Seoul to Suvarnabhumi
Thai Airways flights from Seoul to Suvarnabhumi

Related info for your journey

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 19 August 2025.

  • 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, Nha Trang. While Fukuoka, Da Nang, Bangkok Suvarnabhumi Airport 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 ฿4,740; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to Bangkok, from ฿8,408. 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 July; with January 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 Bangkok from ฿4,740
    Fly from Seoul to Chiang Mai from ฿4,740
    Fly from Seoul to Phuket City from ฿5,876

  • 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.

See more FAQs

Fly with Cheapflights

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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.