฿1,271+ 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 7/4. 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
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags

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 24 February 2026.

Good round-trip deal

฿2,681 or less

Good one-way deal

฿1,668 or less
Price to beat on a round-trip flight from Seoul.
Price to beat on a one-way flight from Seoul.

Find flights from Seoul

Enter your travel dates to find the best prices.

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 24 February 2026.

Fri 24/410:05
ICN
-
BKK
1 stop10h 00m
Vietnam Airlines
Fri 15/515:55
BKK
-
ICN
1 stop11h 55m
Vietnam Airlines
Deal found 23/2฿4,556
Thu 14/510:05
ICN
-
BKK
1 stop13h 00m
Vietnam Airlines
Sun 17/519:05
BKK
-
ICN
1 stop8h 45m
Vietnam Airlines
Deal found 21/2฿4,587
Thu 20/812:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Fri 28/802:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Deal found 22/2฿4,618
Tue 30/618:05
ICN
-
BKK
1 stop22h 40m
Vietnam Airlines
Tue 25/818:05
BKK
-
ICN
1 stop26h 30m
Vietnam Airlines
Deal found 20/2฿4,680
Thu 2/712:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Tue 7/702:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Deal found 23/2฿4,680
Fri 29/510:05
ICN
-
BKK
1 stop13h 00m
Vietnam Airlines
Sat 6/622:15
BKK
-
ICN
1 stop29h 35m
Vietnam Airlines
Deal found 20/2฿4,711
Tue 12/511:05
ICN
-
BKK
1 stop8h 00m
Vietnam Airlines
Thu 14/515:55
BKK
-
ICN
1 stop11h 55m
Vietnam Airlines
Deal found 21/2฿4,742
Fri 19/612:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Sun 21/602:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Deal found 23/2฿4,742
Mon 11/510:05
ICN
-
BKK
1 stop13h 00m
Vietnam Airlines
Tue 12/519:05
BKK
-
ICN
1 stop8h 45m
Vietnam Airlines
Deal found 21/2฿4,773
Thu 5/317:50
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Deal found 20/2฿4,773
Tue 19/511:05
ICN
-
BKK
1 stop8h 00m
Vietnam Airlines
Sun 7/615:55
BKK
-
ICN
1 stop11h 55m
Vietnam Airlines
Deal found 23/2฿4,804
Wed 22/418:05
ICN
-
BKK
1 stop18h 45m
Vietnam Airlines
Tue 28/418:05
BKK
-
ICN
1 stop9h 55m
Vietnam Airlines
Deal found 22/2฿4,835

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 24 February 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Thu 23/4

11:20-15:30

Nonstop6h 10m

Bangkok Don Mueang Intl

Sun 26/4

02:30-10:05

Nonstop5h 35m

฿5,021

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Sat 25/4

11:20-15:30

Nonstop6h 10m

Bangkok Don Mueang Intl

Sun 26/4

02:30-10:05

Nonstop5h 35m

฿5,021

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 28/5

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Wed 3/6

22:15-16:35

1 stop16h 20m

฿5,455

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Thu 5/3

17:50-22:00

Nonstop6h 10m

Bangkok Don Mueang Intl

Sat 14/3

09:00-16:35

Nonstop5h 35m

฿5,455

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 12/6

18:05-14:45

1 stop22h 40m

Bangkok Suvarnabhumi

Fri 19/6

15:55-05:50

1 stop11h 55m

฿5,486

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Tue 30/6

12:05-15:50

Nonstop5h 45m

Bangkok Don Mueang Intl

Sat 4/7

02:45-10:35

Nonstop5h 50m

฿5,889

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Thu 12/3

11:20-15:30

Nonstop6h 10m

Bangkok Don Mueang Intl

Sat 14/3

02:30-10:05

Nonstop5h 35m

฿5,889

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Fri 13/3

11:20-15:30

Nonstop6h 10m

Bangkok Don Mueang Intl

Sat 14/3

02:30-10:05

Nonstop5h 35m

฿5,889

IncheonBangkok

ICN - DMK

ICNDMK

Incheon Intl

Tue 21/7

12:05-15:50

Nonstop5h 45m

Bangkok Don Mueang Intl

Thu 23/7

02:45-10:35

Nonstop5h 50m

฿6,044

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 25/5

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 14/6

00:05-07:40

Nonstop5h 35m

฿6,137

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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 20 February 2026.

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, November is the cheapest month in which you can book a flight from Seoul (average of ฿2,975). Flying from Seoul in February will prove the most costly (average of ฿4,649). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 and 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.
AIR PREMIA
8.2
Very Good

Crew

8.9

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good

Crew

8.9

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.2
Very Good

Crew

8.9

Overall

8.2

Boarding

8.1

Food

7.3

Entertainment

7.0

Comfort

8.3

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!

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.

Direct flights from South Korea

Book a direct flight from one of these other cities located in South Korea.

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 24 February 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, Bangkok Suvarnabhumi Airport, Da Nang. 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 ฿4,742; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to Bangkok, from ฿8,523. 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 November; with February 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 Chiang Mai from ฿4,742
    Fly from Seoul to Bangkok from ฿4,835
    Fly from Seoul to Phuket City from ฿5,145

  • 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.