Find flights
Deals
Airlines
Thailand (ภาษาไทย)
ภาษาไทย

฿3,447+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
28 Dec — 4 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Seoul in 2025

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 28 November 2025.

Return from

฿6,121

One-way from

฿3,447

Popular in

January

Cheapest in

September

Average price

฿8,344
Thai AirAsia X
  • Thai AirAsia X
  • 5/3-9/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 12/3
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (฿2,340 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿253 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

Find flight deals to Seoul

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 28 November 2025.

Sun 30/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Sat 6/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 26/11฿6,089
Sun 30/1102:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Sat 27/611:05ICN - BKK
1 stop8h 00mMultiple Airlines
Deal found 26/11฿6,153
Wed 3/1202:25BKK - ICN
Nonstop5h 30mMultiple Airlines
Sun 7/1217:05ICN - BKK
Nonstop6h 20mMultiple Airlines
Deal found 26/11฿6,186
Sun 30/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Wed 3/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,218
Sun 30/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Tue 9/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 26/11฿6,250
Wed 3/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Tue 9/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,282
Wed 3/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Mon 8/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,315
Wed 10/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Sun 14/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 26/11฿6,347
Tue 2/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Mon 8/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,379
Tue 2/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Sat 6/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,443
Sun 30/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Mon 8/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,476
Mon 1/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Tue 9/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 27/11฿6,508

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 28 November 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

Sat 28/2

09:00-16:35

Nonstop5h 35m

Incheon Intl

Sun 8/3

11:20-15:30

Nonstop6h 10m

฿6,508

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 7/4

02:30-10:05

Nonstop5h 35m

Incheon Intl

Wed 22/4

11:20-15:30

Nonstop6h 10m

฿7,120

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Mon 23/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sat 4/4

11:20-15:30

Nonstop6h 10m

฿7,217

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 28/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 7/4

11:20-15:30

Nonstop6h 10m

฿7,249

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 15/5

15:55-13:50

1 stop19h 55m

Incheon Intl

Mon 18/5

14:50-21:00

1 stop8h 10m

฿7,635

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 13/1

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sun 18/1

11:20-15:30

Nonstop6h 10m

฿8,441

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 12/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Sun 15/3

21:20-11:10

1 stop15h 50m

฿8,537

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 11/12

03:55-11:30

Nonstop5h 35m

Incheon Intl

Sun 21/12

11:20-15:30

Nonstop6h 10m

฿8,795

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 25/3

02:30-10:05

Nonstop5h 35m

Incheon Intl

Thu 2/4

06:25-22:45

1 stop18h 20m

฿9,053

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sat 4/4

18:05-06:00

1 stop9h 55m

Incheon Intl

Sun 26/4

10:35-18:30

1 stop9h 55m

฿9,182

Flights are sorted by cheapest return flights first.

Deals found on 27/11

Showing 1-10 of 60 results
1
2
3
...
6

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 21 November 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 43 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 16 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 Wednesday (44 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 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 ฿5,519
Thai Airways
Thai Airways
From ฿12,816
Air Busan
Air Busan
From ฿7,014
T'way Air
T'way Air
From ฿3,535

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 28 November 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

Boarding

8.1

Entertainment

7.0

Comfort

8.4

Crew

9.0

Food

7.3

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

Boarding

8.1

Entertainment

7.0

Comfort

8.4

Crew

9.0

Food

7.3

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
362 reviews
AIR PREMIA
8.3
Very Good
Check prices

Overall

8.3

Boarding

8.1

Entertainment

7.0

Comfort

8.4

Crew

9.0

Food

7.3

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 ฿1,001, while return flights cost around ฿4,674.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around ฿4,690, however they can be found for as little as ฿4,674.

  • Where does the fastest flight to Seoul depart from?

    For those looking to save time traveling to Seoul, Bangkok 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find the best flight deals to Seoul

Some of the lowest fares we’ve come across for flights to Seoul.
Flights from Chiang Mai to Incheon Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Seoul?

Cheapflights helps you search for flights to Seoul via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets to Seoul?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Seoul for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Seoul with no change fees?

Need flexible booking options for your flight to Seoul ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Seoul become cheaper?

Of course! You can track prices for flights to Seoul and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.