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฿3,275+ 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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Seoul in 2025

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 23 December 2025.

Tue 30/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Wed 7/113:35ICN - BKK
1 stop14h 45mMultiple Airlines
Deal found 22/12฿7,392
Tue 23/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Thu 8/114:55ICN - BKK
1 stop27h 45mMultiple Airlines
Deal found 20/12฿7,579
Wed 24/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Thu 8/114:55ICN - BKK
1 stop27h 45mMultiple Airlines
Deal found 21/12฿7,797
Sun 28/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Wed 4/212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 21/12฿8,047
Wed 31/1206:00DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 21/114:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 23/12฿8,327
Tue 30/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Wed 21/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 23/12฿8,452
Tue 30/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Wed 7/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 22/12฿8,826
Mon 22/1201:00BKK - ICN
Nonstop5h 25mMultiple Airlines
Tue 30/1222:40ICN - BKK
1 stop12h 05mMultiple Airlines
Deal found 22/12฿9,014
Mon 29/1219:55BKK - ICN
1 stop8h 05mMultiple Airlines
Wed 7/113:35ICN - BKK
1 stop14h 45mMultiple Airlines
Deal found 23/12฿9,045
Wed 24/1206:00DMK - ICN
Nonstop5h 35mMultiple Airlines
Sat 10/107:35ICN - DMK
2 stops16h 40mMultiple Airlines
Deal found 23/12฿9,294
Wed 31/1206:00DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 7/114:50ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 22/12฿9,325
Wed 24/1202:30DMK - ICN
Nonstop5h 35mMultiple Airlines
Thu 8/114:00ICN - DMK
2 stops13h 35mMultiple Airlines
Deal found 21/12฿9,700

Find flight deals to Seoul

Find the latest flights to Seoul 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 23 December 2025.

Return from

฿5,863

One-way from

฿3,275

Popular in

January

Cheapest in

September

Average price

฿11,415
Thai Vietjet Air
  • Thai Vietjet Air
  • 18/3-24/3
  • Nonstop
  • 11h 40m total
  • Bangkok to Seoul
Search Deals
Thai Vietjet Air
  • Thai Vietjet Air
  • 10/3
  • Nonstop
  • 5h 30m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (฿2,266 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿228 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
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 23 December 2025.
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 26/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 31/3

11:20-15:30

Nonstop6h 10m

฿5,926

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 28/2

09:00-16:35

Nonstop5h 35m

Incheon Intl

Tue 3/3

11:20-15:30

Nonstop6h 10m

฿5,926

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 7/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Fri 13/3

11:20-15:30

Nonstop6h 10m

฿5,926

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sun 14/6

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 27/7

11:20-15:30

Nonstop6h 10m

฿6,113

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 27/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 29/3

11:20-15:30

Nonstop6h 10m

฿6,456

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 7/1

02:30-10:05

Nonstop5h 35m

Incheon Intl

Wed 4/3

11:20-15:30

Nonstop6h 10m

฿6,768

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 26/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 3/3

11:20-15:30

Nonstop6h 10m

฿6,862

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 24/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 29/3

11:20-15:30

Nonstop6h 10m

฿6,862

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 11/2

02:25-09:55

Nonstop5h 30m

Incheon Intl

Sat 21/2

17:05-21:25

Nonstop6h 20m

฿7,516

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 13/3

21:25-16:00

1 stop16h 35m

Incheon Intl

Mon 16/3

12:30-16:40

Nonstop6h 10m

฿7,828

Flights are sorted by cheapest return flights first.

Deals found on 22/12

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 19 December 2025.

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 18 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 28 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 Sunday (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 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 ฿5,183
Thai Airways
Thai Airways
From ฿10,869
Air Busan
Air Busan
From ฿6,790
T'way Air
T'way Air
From ฿3,422

What are the cheapest airlines that fly to Seoul?

The cheapest airlines flying from Bangkok to Seoul are Vietnam Airlines, Jin Air and Thai Vietjet 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 23 December 2025.
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

Overall

8.3

Crew

9.0

Entertainment

7.0

Food

7.3

Boarding

8.1

Comfort

8.4

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

Overall

8.3

Crew

9.0

Entertainment

7.0

Food

7.3

Boarding

8.1

Comfort

8.4

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
369 reviews
AIR PREMIA
8.3
Very Good
Check prices

Overall

8.3

Crew

9.0

Entertainment

7.0

Food

7.3

Boarding

8.1

Comfort

8.4

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 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, Vietnam Airlines 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 ฿969, while return flights cost around ฿4,525.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around ฿4,541, however they can be found for as little as ฿4,525.

  • 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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