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฿3,500+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Flights to South Korea in 2026

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 16 February 2026.

Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 13/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 12/2฿5,574
Sun 15/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Thu 19/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 15/2฿5,605
Thu 19/302:30
BKK
-
TAE
Nonstop5h 10m
T'way Air
Thu 26/321:25
TAE
-
BKK
Nonstop6h 05m
T'way Air
Deal found 14/2฿5,605
Tue 10/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Mon 16/312:30
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 12/2฿5,636
Tue 28/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Tue 4/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 13/2฿5,636
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Wed 18/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 13/2฿5,667

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 16 February 2026
Explore South Korea
Flights to Seoul
Flights to Busan

Find flight deals to South Korea

Find the latest flights to South Korea in 2026, 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 16 February 2026.

Return from

฿5,574

One-way from

฿3,500

Popular in

December

Cheapest in

September

Average price

฿8,702
Thai AirAsia X
  • Thai AirAsia X
  • 12/3-13/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai Vietjet Air
  • Thai Vietjet Air
  • 6/5
  • Nonstop
  • 5h 35m total
  • Bangkok to South Korea
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿1,029 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿240 potential savings vs. average return price).
Search Deals
Average for return flights in February 2026
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 16 February 2026.
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 31/5

02:45-10:35

Nonstop5h 50m

Incheon Intl

Fri 19/6

12:05-15:50

Nonstop5h 45m

฿6,504

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 2/7

02:45-10:35

Nonstop5h 50m

Incheon Intl

Fri 10/7

12:05-15:50

Nonstop5h 45m

฿7,092

BangkokBusan

BKK - PUS

BKKPUS

Bangkok Suvarnabhumi

Fri 17/4

22:55-06:20

Nonstop5h 25m

Busan Gimhae

Tue 21/4

11:00-14:45

1 stop29h 45m

฿7,309

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 24/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Fri 27/3

11:20-15:30

Nonstop6h 10m

฿7,526

BangkokBusan

BKK - PUS

BKKPUS

Bangkok Suvarnabhumi

Wed 15/4

22:55-06:20

Nonstop5h 25m

Busan Gimhae

Sun 19/4

11:00-14:45

1 stop29h 45m

฿7,990

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 2/7

02:25-10:00

Nonstop5h 35m

Incheon Intl

Fri 10/7

12:10-16:00

Nonstop5h 50m

฿8,052

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sat 9/5

02:50-15:45

1 stop10h 55m

Incheon Intl

Fri 15/5

16:45-01:50

1 stop11h 05m

฿8,052

BangkokDaegu

BKK - TAE

BKKTAE

Bangkok Suvarnabhumi

Thu 19/3

02:30-09:40

Nonstop5h 10m

Daegu

Thu 26/3

06:10-21:20

2 stops17h 10m

฿8,114

BangkokBusan

BKK - PUS

BKKPUS

Bangkok Suvarnabhumi

Fri 17/4

22:55-06:20

Nonstop5h 25m

Busan Gimhae

Tue 21/4

18:00-21:45

Nonstop5h 45m

฿8,176

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 10/3

02:25-09:55

Nonstop5h 30m

Incheon Intl

Tue 17/3

12:10-16:20

Nonstop6h 10m

฿8,176

Flights are sorted by cheapest return flights first.

Deals found on 12/2

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 10 hours 58 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 Friday (44 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (36 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 ฿3,365
Thai Airways
Thai Airways
From ฿7,932
Air Busan
Air Busan
From ฿4,917
Thai Vietjet Air
Thai Vietjet Air
From ฿3,500

What are the cheapest airlines that fly to South Korea?

The cheapest airlines flying from Bangkok to South Korea are Eastar Jet, T'way Air and Vietnam Airlines.

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 16 February 2026.
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 16 February 2026.
Read reviews from past customers who have flown AIR PREMIA, Thai Airways, andThai Vietjet Air 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
8.2
Very Good
Check prices

Entertainment

7.0

Food

7.3

Comfort

8.3

Overall

8.2

Crew

9.0

Boarding

8.1

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
Check prices

Entertainment

7.0

Food

7.3

Comfort

8.3

Overall

8.2

Crew

9.0

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
Thai Airways
7.8
Good
382 reviews
AIR PREMIA
8.2
Very Good
Check prices

Entertainment

7.0

Food

7.3

Comfort

8.3

Overall

8.2

Crew

9.0

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
Thai Vietjet Air
6.6
Okay
114 reviews
AIR PREMIA
8.2
Very Good
Check prices

Entertainment

7.0

Food

7.3

Comfort

8.3

Overall

8.2

Crew

9.0

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

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

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, T'way Air 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 ฿555, while return flights cost around ฿4,295.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around ฿13,832, however they can be found for as little as ฿4,295.

  • 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?

Cheapflights helps you find that perfect flight to South Korea by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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