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฿3,388+ 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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Flights to Seoul in 2026

Enter your travel dates to find the best prices.

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 27 January 2026.

Sat 14/202:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Sat 28/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 25/1฿5,470
Wed 11/202:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 20/211:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 25/1฿5,501
Wed 11/202:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Wed 18/211:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 26/1฿5,532
Sat 14/202:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 24/211:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 26/1฿5,563
Thu 12/202:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 17/211:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 26/1฿5,595
Mon 16/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Tue 24/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 27/1฿5,595
Thu 5/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Mon 9/312:30
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 25/1฿5,657
Tue 20/1002:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 22/1011:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 25/1฿5,688
Sun 6/902:25
BKK
-
ICN
Nonstop5h 35m
Multiple Airlines
Thu 3/1210:35
ICN
-
BKK
1 stop9h 20m
Multiple Airlines
Deal found 25/1฿5,688
Mon 20/402:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Mon 27/411:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 27/1฿5,719
Mon 1/602:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 12/611:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 27/1฿5,750
Thu 12/201:30
BKK
-
ICN
Nonstop5h 30m
T'way Air
Mon 23/219:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Deal found 26/1฿5,750

Find flight deals to Seoul

Find the latest flights to Seoul 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 27 January 2026.

Return from

฿5,470

One-way from

฿3,388

Popular in

December

Cheapest in

September

Average price

฿9,946
Thai AirAsia X
  • Thai AirAsia X
  • 14/2-28/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 25/3
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿1,004 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿215 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
Search Deals

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 27 January 2026.
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

Thu 9/7

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 13/7

11:20-15:30

Nonstop6h 10m

฿5,563

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 18/4

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 28/4

11:20-15:30

Nonstop6h 10m

฿5,563

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 31/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 8/6

11:20-15:30

Nonstop6h 10m

฿5,999

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 13/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 23/2

12:30-16:40

Nonstop6h 10m

฿6,092

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 17/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 22/3

11:20-15:30

Nonstop6h 10m

฿6,309

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 29/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sat 6/6

11:20-15:30

Nonstop6h 10m

฿6,931

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 8/3

03:40-11:15

Nonstop5h 35m

Incheon Intl

Wed 18/3

17:25-23:20

1 stop7h 55m

฿7,646

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 4/4

02:30-10:05

Nonstop5h 35m

Incheon Intl

Wed 8/4

13:30-17:05

Nonstop5h 35m

฿7,957

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 19/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 3/3

17:50-22:00

Nonstop6h 10m

฿7,988

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 5/7

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 21/7

11:20-15:30

Nonstop6h 10m

฿8,174

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 60 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 23 January 2026.

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 75 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 7 hours 27 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 Tuesday (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (28 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, Thai Airways and Air Busan.

Thai AirAsia X
Thai AirAsia X
From ฿3,377
Thai Airways
Thai Airways
From ฿7,960
Air Busan
Air Busan
From ฿6,659
T'way Air
T'way Air
From ฿2,072

What are the cheapest airlines that fly to Seoul?

The cheapest airlines flying from Bangkok to Seoul are T'way Air, 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 27 January 2026.
Check out reviews from past customers who have flown AIR PREMIA and Thai Airways to South Korea to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.3
Very Good
Check prices

Entertainment

7.1

Overall

8.3

Food

7.4

Boarding

8.2

Comfort

8.3

Crew

9.0

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Entertainment

7.1

Overall

8.3

Food

7.4

Boarding

8.2

Comfort

8.3

Crew

9.0

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
380 reviews
AIR PREMIA
8.3
Very Good
Check prices

Entertainment

7.1

Overall

8.3

Food

7.4

Boarding

8.2

Comfort

8.3

Crew

9.0

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 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, T'way Air is rated the highest out of the airlines that fly to Seoul.

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

    Seoul Gimpo Intl is currently the cheapest airport to fly to in Seoul. One-way flights to Seoul Gimpo Intl typically cost ฿966, while return flights cost around ฿4,510.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around ฿4,525, however they can be found for as little as ฿4,510.

  • 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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