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฿3,539+ Cheap flights to South Korea

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
24 Jan — 31 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to South Korea in 2025

Enter your travel dates to find the best prices.

Cheapest flights to South Korea
Explore the most affordable flight options available to South Korea. Find the lowest fares based on data from user searches, with prices last updated on 25 December 2025.

Tue 30/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Sun 22/312:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 24/12฿6,085
Tue 30/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Sun 22/308:45ICN - BKK
1 stop19h 10mMultiple Airlines
Deal found 24/12฿6,613
Wed 31/1206:00DMK - ICN
Nonstop5h 35mThai AirAsia X
Sun 22/311:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 24/12฿6,861
Thu 25/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Mon 12/107:25ICN - BKK
1 stop17h 10mMultiple Airlines
Deal found 24/12฿7,327
Sun 28/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Wed 14/122:10ICN - BKK
1 stop29h 15mMultiple Airlines
Deal found 24/12฿7,482
Thu 25/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Thu 8/114:55ICN - BKK
1 stop27h 45mMultiple Airlines
Deal found 24/12฿7,513

Find flights to South Korea

Browse one-way and return flights deals to South Korea on Cheapflights. Flight deals are based on user searches and were last updated on 25 December 2025
Explore South Korea
Flights to Seoul
Flights to Busan

Find flight deals to South Korea

Find the latest flights to South Korea 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 25 December 2025.

Return from

฿5,868

One-way from

฿3,539

Popular in

January

Cheapest in

September

Average price

฿11,363
Thai AirAsia X
  • Thai AirAsia X
  • 12/3-16/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 12/3
  • Nonstop
  • 5h 35m total
  • Bangkok to South Korea
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (฿2,256 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿226 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to South Korea 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 25 December 2025.
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 24/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Fri 29/5

11:20-15:30

Nonstop6h 10m

฿6,427

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Mon 9/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Wed 25/2

13:30-17:15

Nonstop5h 45m

฿6,954

BangkokBusan

BKK - PUS

BKKPUS

Bangkok Suvarnabhumi

Wed 25/3

18:35-06:55

1 stop10h 20m

Busan Gimhae

Sun 29/3

20:00-23:50

Nonstop5h 50m

฿7,172

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 5/2

03:20-10:55

Nonstop5h 35m

Incheon Intl

Fri 20/2

13:30-17:15

Nonstop5h 45m

฿7,358

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 7/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 9/2

12:30-16:40

Nonstop6h 10m

฿7,389

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 8/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 12/5

11:20-15:30

Nonstop6h 10m

฿7,544

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 29/1

03:45-11:20

Nonstop5h 35m

Incheon Intl

Sat 28/2

17:50-22:00

Nonstop6h 10m

฿7,575

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 8/5

03:15-10:55

Nonstop5h 40m

Incheon Intl

Sat 6/6

11:20-15:30

Nonstop6h 10m

฿7,606

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 5/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 8/2

11:20-15:30

Nonstop6h 10m

฿7,700

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Mon 12/1

02:30-10:05

Nonstop5h 35m

Incheon Intl

Wed 21/1

14:50-19:00

Nonstop6h 10m

฿7,855

Flights are sorted by cheapest return flights first.

Deals found on 24/12

Showing 1-10 of 33 results
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Best time to book a flight to South Korea

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

How long is the flight to South Korea?

On average, a flight from Bangkok to South Korea takes 11 hours 43 minutes. Flights to South Korea 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 South Korea

The most flights from Bangkok to South Korea are scheduled on a Wednesday (44 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).

What are the most popular airlines that fly to South Korea?

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

Thai AirAsia X
Thai AirAsia X
From ฿5,159
Thai Airways
Thai Airways
From ฿10,819
Air Busan
Air Busan
From ฿6,185
T'way Air
T'way Air
From ฿3,406

What are the cheapest airlines that fly to South Korea?

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

Rainfall in South Korea by month

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

In terms of precipitation, rainfall in South Korea ranges from 20.0 - 260.0 mm per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit South Korea when rainfall is around 20.0 mm.

Temperature in South Korea by month

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

If weather is an important factor for your trip to South Korea, 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).

What are the most popular places to fly to in South Korea?

Destination popularity is based on the amount of flight searches to South Korea in the last few years. This data was updated on 25 December 2025.
The most popular places in South Korea to fly to are Incheon, Seoul, Busan and Jeju City.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated 25 December 2025.
Read reviews from past customers who have flown AIR PREMIA and Thai Airways to South Korea. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.3
Very Good
Check prices

Comfort

8.4

Overall

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.
AIR PREMIA
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Comfort

8.4

Overall

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.
Thai Airways
7.8
Good
372 reviews
AIR PREMIA
8.3
Very Good
Check prices

Comfort

8.4

Overall

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Reviews

1 / 7
10.0
Excellent

Felipe,Nov 2025

SFO - ICN

Definitely the best economy seats I’ve ever been on. Lost of room, great service and food. Will recommend to everyone flying to Korea.

FAQs about flying to South Korea

  • Can I find cheaper flights to South Korea 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 South Korea on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to South Korea?

    Based on reviews from Cheapflights users, Vietnam Airlines is rated the highest out of the airlines that fly to South Korea.

  • What is the cheapest airport to fly to in South Korea?

    Jeju City is currently the cheapest airport to fly to in South Korea. One-way flights to Jeju City typically cost ฿557, while return flights cost around ฿4,505.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around ฿4,520, however they can be found for as little as ฿4,505.

  • Where does the fastest flight to South Korea depart from?

    For those looking to save time traveling to South Korea, Chiang Mai offers the quickest one-way flight (5 hours 0 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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Why should you use Cheapflights to find cheap flight tickets to South Korea?

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Can Cheapflights find flights to South Korea with no change fees?

Yes, we can. To see specific flights to South Korea 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 to South Korea become cheaper?

Yes, Cheapflights offers price alerts on South Korea flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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