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฿3,978+ Cheap flights to Seoul

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
14 May — 21 May1
1 adult

Flights to Seoul in 2025

Find the latest flights to Seoul in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 9 May 2025.

Return from

฿6,213

One-way from

฿3,978

Popular in

December

Cheapest in

June

Average price

฿8,514
Thai AirAsia X
  • Thai AirAsia X
  • 4/6-12/6
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
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Thai AirAsia X
  • Thai AirAsia X
  • 11/6
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿45,723 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿9,109 potential savings vs. average return price).
Search Deals
Average for return flights in May 2025
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Find flight deals to Seoul

Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 9 May 2025.

Wed 4/602:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Thu 12/611:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 8/5฿6,213
Thu 5/613:50BKK - ICN
1 stop27h 35mMultiple Airlines
Thu 3/718:00ICN - BKK
Nonstop6h 35mMultiple Airlines
Deal found 8/5฿6,213
Thu 3/701:00BKK - ICN
Nonstop5h 40mJeju Air
Mon 7/720:05ICN - BKK
Nonstop5h 54mJeju Air
Deal found 7/5฿6,575
Wed 4/600:05BKK - ICN
Nonstop5h 35mT'way Air
Sat 7/618:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 7/5฿6,608
Sun 8/615:55DMK - ICN
1 stop11h 05mMultiple Airlines
Sun 15/611:35ICN - DMK
Nonstop6h 10mMultiple Airlines
Deal found 8/5฿6,838
Tue 13/502:50BKK - ICN
1 stop17h 05mShandong Airlines
Sat 17/516:45ICN - BKK
1 stop11h 05mShandong Airlines
Deal found 8/5฿6,969
Wed 14/511:05BKK - ICN
1 stop8h 25mไห่หนานแอร์ไลน์
Fri 30/522:35ICN - BKK
1 stop21h 40mไห่หนานแอร์ไลน์
Deal found 7/5฿7,101
Thu 15/517:25BKK - ICN
1 stop18h 15mChina Southern
Sat 24/516:45ICN - BKK
1 stop19h 35mChina Southern
Deal found 8/5฿7,528
Thu 15/519:55BKK - ICN
1 stop11h 45mVietJet Air
Mon 19/511:05ICN - BKK
1 stop8h 40mVietJet Air
Deal found 8/5฿7,594
Sun 18/522:20BKK - ICN
Nonstop5h 45mAir Busan
Tue 27/517:15ICN - BKK
Nonstop6h 05mAir Busan
Deal found 8/5฿7,627
Thu 8/503:10BKK - ICN
1 stop9h 40mChina Eastern
Sat 17/515:50ICN - BKK
1 stop11h 25mChina Eastern
Deal found 8/5฿8,087
Wed 21/511:30BKK - GMP
2 stops24h 20mMultiple Airlines
Mon 26/518:55GMP - BKK
1 stop29h 45mMultiple Airlines
Deal found 8/5฿8,613

Cheapflights Fare Finder

Locate flights to Seoul that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 9 May 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 4/6

02:45-10:20

Nonstop5h 35m

Incheon Intl

Thu 12/6

11:35-15:45

Nonstop6h 10m

฿6,213

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 5/6

13:50-19:25

1 stop27h 35m

Incheon Intl

Thu 3/7

18:00-22:35

Nonstop6h 35m

฿6,213

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 3/7

01:00-08:40

Nonstop5h 40m

Incheon Intl

Mon 7/7

20:05-23:59

Nonstop5h 54m

฿6,575

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 4/6

00:05-07:40

Nonstop5h 35m

Incheon Intl

Sat 7/6

18:00-22:35

Nonstop6h 35m

฿6,608

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 8/6

15:55-05:00

1 stop11h 05m

Incheon Intl

Sun 15/6

11:35-15:45

Nonstop6h 10m

฿6,838

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 13/5

02:50-21:55

1 stop17h 05m

Incheon Intl

Sat 17/5

16:45-01:50

1 stop11h 05m

฿6,969

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 14/5

11:05-21:30

1 stop8h 25m

Incheon Intl

Fri 30/5

22:35-18:15

1 stop21h 40m

฿7,101

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 15/5

17:25-13:40

1 stop18h 15m

Incheon Intl

Sat 24/5

16:45-10:20

1 stop19h 35m

฿7,528

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 15/5

19:55-09:40

1 stop11h 45m

Incheon Intl

Mon 19/5

11:05-17:45

1 stop8h 40m

฿7,594

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 18/5

22:20-06:05

Nonstop5h 45m

Incheon Intl

Tue 27/5

17:15-21:20

Nonstop6h 05m

฿7,627

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 53 results
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Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Seoul

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

Use this chart to determine the optimal time to book a return flight from Bangkok to Seoul. Price data was last updated on 2 May 2025.

The price you pay for your flight to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Seoul?

On average, a flight from Bangkok to Seoul takes 11 hours 52 minutes. Flights to Seoul from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Seoul

The most flights from Bangkok to Seoul are scheduled on a Thursday (28 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

What are the most popular airlines that fly to Seoul?

The most popular airlines flying from Bangkok to Seoul are Thai AirAsia X, Air Busan and Thai Airways.

Thai AirAsia X

Thai AirAsia X

From ฿191

Air Busan

Air Busan

From ฿234

Thai Airways

Thai Airways

From ฿376

T'way Air

T'way Air

From ฿122

What are the cheapest airlines that fly to Seoul?

The cheapest airlines flying from Bangkok to Seoul are Eastar Jet, Vietnam Airlines and Jin Air.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 mm 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.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

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).

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 9 May 2025.
Read through reviews of airlines servicing Seoul, such as AIR PREMIA, ไห่หนานแอร์ไลน์ and Thai Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Crew

8.8

Comfort

8.3

Food

7.2

Overall

8.2

Entertainment

6.7

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Crew

8.8

Comfort

8.3

Food

7.2

Overall

8.2

Entertainment

6.7

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Crew

8.8

Comfort

8.3

Food

7.2

Overall

8.2

Entertainment

6.7

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
Thai Airways
7.7
Good
329 reviews
AIR PREMIA
8.2
Very Good
Check prices

Boarding

7.9

Crew

8.8

Comfort

8.3

Food

7.2

Overall

8.2

Entertainment

6.7

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.

FAQs about flying to Seoul

  • Can I find cheaper flights to Seoul if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seoul on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seoul?

    Based on reviews from Cheapflights users, Eastar Jet is rated the highest out of the airlines that fly to Seoul.

  • What is the cheapest airport to fly to in Seoul?

    Incheon Intl is currently the cheapest airport to fly to in Seoul. One-way flights to Incheon Intl typically cost ฿1,549, while return flights cost around ฿2,389.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around ฿73, however they can be found for as little as ฿73.

  • Where does the fastest flight to Seoul depart from?

    For those looking to save time traveling to Seoul, Chiang Mai offers the quickest one-way flight (5 hours 5 minutes).

  • Does Incheon Intl have rental cars?

    Yes. Those touching down at Incheon Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Incheon Intl?

    Yes. Incheon Intl has hotels nearby for those requiring accommodations. Darakhyu Incheon Airport Terminal 2 Capsule Hotel by Walkerhill is the closest property to Incheon Intl (0.0 km away from Incheon Intl).

See more FAQs

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Seoul for you. Better yet — we are completely free to use.

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