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฿4,579+ 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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
29 May — 5 Jun1
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 29 April 2026.

Fri 22/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sun 31/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 26/4฿7,989
Sun 17/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sun 31/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 26/4฿8,086
Thu 14/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Tue 19/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 27/4฿8,184
Sun 17/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Tue 19/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 27/4฿8,281
Sun 17/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Tue 26/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 24/4฿8,443
Sat 16/502:45
DMK
-
ICN
Nonstop5h 50m
Thai AirAsia
Sun 31/512:05
ICN
-
DMK
Nonstop5h 45m
Thai AirAsia
Deal found 26/4฿8,476

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 29 April 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 29 April 2026.

Return from

฿7,989

One-way from

฿4,546

Popular in

December

Cheapest in

September

Average price

฿10,782
Thai AirAsia
  • Thai AirAsia
  • 22/5-31/5
  • Nonstop
  • 11h 35m total
  • Bangkok to Seoul
Search Deals
Jin Air
  • Jin Air
  • 3/6
  • Nonstop
  • 5h 25m total
  • Bangkok to South Korea
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿1,020 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿235 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 29 April 2026.
Use the filters below to find and compare flights to South Korea that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 21/5

15:55-10:55

2 stops17h 00m

Incheon Intl

Sun 24/5

11:55-01:55

2 stops16h 00m

฿10,976

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 11/5

20:50-21:05

2 stops22h 15m

Incheon Intl

Sun 17/5

11:55-00:40

2 stops14h 45m

฿11,009

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 2/7

13:35-14:55

2 stops23h 20m

Incheon Intl

Sun 12/7

15:55-04:05

2 stops14h 10m

฿11,366

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 15/5

15:55-14:55

2 stops21h 00m

Incheon Intl

Mon 18/5

07:45-12:20

1 stop30h 35m

฿11,366

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 23/6

19:10-14:55

2 stops17h 45m

Incheon Intl

Sat 27/6

15:55-04:05

2 stops14h 10m

฿11,464

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 18/5

15:55-21:05

2 stops27h 10m

Incheon Intl

Tue 2/6

13:10-01:55

2 stops14h 45m

฿11,496

BangkokBusan

DMK - PUS

DMKPUS

Bangkok Don Mueang Intl

Thu 21/5

08:00-06:20

1 stop20h 20m

Busan Gimhae

Thu 28/5

21:10-12:25

1 stop17h 15m

฿11,691

BangkokJeju City

BKK - CJU

BKKCJU

Bangkok Suvarnabhumi

Wed 27/5

09:10-06:10

1 stop19h 00m

Jeju City

Wed 3/6

19:35-23:50

1 stop30h 15m

฿11,723

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 28/5

15:55-10:55

2 stops17h 00m

Incheon Intl

Tue 2/6

08:30-12:20

3 stops29h 50m

฿11,951

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 17/5

07:50-22:45

1 stop12h 55m

Incheon Intl

Wed 3/6

12:15-01:10

1 stop14h 55m

฿11,983

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 33 resultsSorted by cheapest first
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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

When is the best time to book a flight to South Korea?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights to South Korea. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to South Korea?

On average, a flight from Bangkok to South Korea takes 11 hours 7 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 Monday (34 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (30 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 Vietjet Air and Thai Airways.

Thai AirAsia X
Thai AirAsia X
From ฿3,528
Thai Vietjet Air
Thai Vietjet Air
From ฿3,671
Thai Airways
Thai Airways
From ฿8,317
Air Busan
Air Busan
From ฿4,369

What are the cheapest airlines that fly to South Korea?

The cheapest airlines flying from Bangkok to South Korea are T'way Air, Jin 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 29 April 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 29 April 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
8.1
Very Good
Check prices

Overall

8.1

Food

7.1

Boarding

8.0

Crew

8.8

Entertainment

6.8

Comfort

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
8.1
Very Good
AIR PREMIA
8.1
Very Good
Check prices

Overall

8.1

Food

7.1

Boarding

8.0

Crew

8.8

Entertainment

6.8

Comfort

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
7.9
Good
401 reviews
AIR PREMIA
8.1
Very Good
Check prices

Overall

8.1

Food

7.1

Boarding

8.0

Crew

8.8

Entertainment

6.8

Comfort

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
124 reviews
AIR PREMIA
8.1
Very Good
Check prices

Overall

8.1

Food

7.1

Boarding

8.0

Crew

8.8

Entertainment

6.8

Comfort

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 ฿582, while return flights cost around ฿1,576.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around ฿10,653, however they can be found for as little as ฿4,232.

  • 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 15 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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