฿4,979+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
— ICN
15 Jul — 22 Jul1
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 15 June 2026.

Sat 18/702:05
BKK
-
TAE
Nonstop5h 35m
T'way Air
Tue 28/721:25
TAE
-
BKK
Nonstop5h 40m
T'way Air
Deal found 15/6฿8,071
Sun 19/702:05
BKK
-
TAE
Nonstop5h 35m
T'way Air
Wed 29/721:25
TAE
-
BKK
Nonstop5h 40m
T'way Air
Deal found 11/6฿8,104
Wed 29/702:05
BKK
-
TAE
Nonstop5h 35m
T'way Air
Tue 4/821:25
TAE
-
BKK
Nonstop5h 40m
T'way Air
Deal found 12/6฿8,169
Fri 24/702:05
BKK
-
TAE
Nonstop5h 35m
T'way Air
Wed 29/721:25
TAE
-
BKK
Nonstop5h 40m
T'way Air
Deal found 10/6฿8,201
Wed 24/622:55
BKK
-
PUS
Nonstop5h 25m
Air Busan
Wed 8/718:00
PUS
-
BKK
Nonstop5h 45m
Air Busan
Deal found 13/6฿8,982
Tue 11/800:50
BKK
-
PUS
Nonstop5h 40m
Jeju Air
Tue 18/820:00
PUS
-
BKK
Nonstop5h 50m
Jeju Air
Deal found 11/6฿9,080

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 15 June 2026
Explore South Korea

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 15 June 2026.

Return from

฿9,601

One-way from

฿4,231

Popular in

May

Cheapest in

March

Average price

฿9,243
Jeju Air
  • Jeju Air
  • 16/7-23/7
  • Nonstop
  • 11h 40m total
  • Bangkok to Seoul
Air Busan
  • Air Busan
  • 25/8
  • Nonstop
  • 5h 25m total
  • Bangkok to South Korea
Highest demand for flights based on searches. 10% potential increase in price (฿1,092 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿184 potential savings vs. average return price).
Average for return flights in June 2026

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 15 June 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

BangkokDaegu

BKK - TAE

BKKTAE

Bangkok Suvarnabhumi

Sun 19/7

02:05-09:40

Nonstop5h 35m

Daegu

Wed 29/7

21:25-01:05

Nonstop5h 40m

฿8,104

BangkokDaegu

BKK - TAE

BKKTAE

Bangkok Suvarnabhumi

Sat 18/7

02:05-09:40

Nonstop5h 35m

Daegu

Tue 28/7

17:10-02:15

1 stop11h 05m

฿10,056

BangkokBusan

BKK - PUS

BKKPUS

Bangkok Suvarnabhumi

Sun 23/8

00:50-08:30

Nonstop5h 40m

Busan Gimhae

Tue 25/8

18:00-21:45

Nonstop5h 45m

฿10,512

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 16/7

00:05-07:40

Nonstop5h 35m

Incheon Intl

Tue 21/7

18:00-22:05

Nonstop6h 05m

฿10,740

BangkokDaegu

BKK - TAE

BKKTAE

Bangkok Suvarnabhumi

Wed 29/7

02:05-09:40

Nonstop5h 35m

Daegu

Thu 6/8

21:25-01:05

Nonstop5h 40m

฿10,805

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 23/8

01:10-08:55

Nonstop5h 45m

Incheon Intl

Sat 29/8

20:05-00:10

Nonstop6h 05m

฿11,033

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 11/8

00:05-07:40

Nonstop5h 35m

Incheon Intl

Fri 21/8

18:00-22:05

Nonstop6h 05m

฿11,130

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 26/8

00:05-07:40

Nonstop5h 35m

Incheon Intl

Sun 30/8

18:00-22:05

Nonstop6h 05m

฿11,488

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 14/7

22:45-06:15

Nonstop5h 30m

Incheon Intl

Sun 19/7

17:15-21:10

Nonstop5h 55m

฿11,521

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 7/7

22:45-06:15

Nonstop5h 30m

Incheon Intl

Tue 14/7

17:15-21:10

Nonstop5h 55m

฿11,618

Flights are sorted by cheapest return flights first.

Deals found on 13/6

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

How long is the flight to South Korea?

On average, a flight from Bangkok to South Korea takes 10 hours 23 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 (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

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 Jeju 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).

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

Booking 80 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.

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 15 June 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 15 June 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

Boarding

8.1

Overall

8.1

Crew

8.7

Entertainment

6.8

Comfort

8.1

Food

7.2

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

Boarding

8.1

Overall

8.1

Crew

8.7

Entertainment

6.8

Comfort

8.1

Food

7.2

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

Boarding

8.1

Overall

8.1

Crew

8.7

Entertainment

6.8

Comfort

8.1

Food

7.2

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

Boarding

8.1

Overall

8.1

Crew

8.7

Entertainment

6.8

Comfort

8.1

Food

7.2

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 ฿584, while return flights cost around ฿8,442.

  • How much is a return flight to South Korea?

    A return flight to South Korea will typically cost around ฿11,808, however they can be found for as little as ฿9,194.

  • 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 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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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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