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Thailand (ภาษาไทย)
ภาษาไทย

฿3,560+ 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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
23 Dec — 30 Dec1
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 23 November 2025.

Return from

฿5,922

One-way from

฿3,560

Popular in

January

Cheapest in

September

Average price

฿8,381
Thai AirAsia X
  • Thai AirAsia X
  • 7/4-27/8
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
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Thai AirAsia X
  • Thai AirAsia X
  • 23/4
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
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Highest demand for flights based on searches. 20% potential increase in price (฿2,350 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿254 potential savings vs. average return price).
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Average for return flights in November 2025
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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 23 November 2025.

Wed 3/1219:05BKK - ICN
1 stop14h 50mMultiple Airlines
Wed 24/612:10ICN - BKK
Nonstop5h 50mMultiple Airlines
Deal found 22/11฿6,407
Fri 28/1119:10BKK - ICN
1 stop23h 50mMultiple Airlines
Mon 1/1219:50ICN - BKK
Nonstop6h 20mMultiple Airlines
Deal found 21/11฿6,795
Tue 25/1119:10BKK - ICN
1 stop23h 50mMultiple Airlines
Sun 30/1116:50ICN - BKK
Nonstop6h 30mMultiple Airlines
Deal found 20/11฿6,925
Wed 26/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Tue 2/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 21/11฿6,957
Wed 10/1201:30BKK - ICN
Nonstop5h 30mMultiple Airlines
Wed 17/1216:50ICN - BKK
Nonstop6h 30mMultiple Airlines
Deal found 22/11฿6,990
Wed 26/1103:05BKK - ICN
1 stop16h 00mMultiple Airlines
Sun 30/1116:50ICN - BKK
Nonstop6h 30mMultiple Airlines
Deal found 20/11฿7,022
Tue 25/1102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Sat 29/1112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 20/11฿7,119
Tue 25/1102:25BKK - ICN
1 stop13h 45mMultiple Airlines
Thu 4/1215:40ICN - BKK
1 stop10h 25mMultiple Airlines
Deal found 20/11฿7,151
Thu 27/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Mon 1/1219:50ICN - BKK
Nonstop6h 20mT'way Air
Deal found 21/11฿7,248
Thu 27/1102:25BKK - ICN
1 stop10h 00mMultiple Airlines
Tue 2/1212:10ICN - BKK
Nonstop6h 10mMultiple Airlines
Deal found 20/11฿7,281
Tue 2/1203:55DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 24/611:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 22/11฿7,443
Wed 26/1102:30DMK - ICN
Nonstop5h 35mThai AirAsia X
Sun 30/1111:20ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 21/11฿7,863

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 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 9/5

02:30-10:05

Nonstop5h 35m

Incheon Intl

Tue 26/5

11:20-15:30

Nonstop6h 10m

฿7,475

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 1/4

18:05-06:00

1 stop9h 55m

Incheon Intl

Tue 7/4

11:05-17:05

1 stop8h 00m

฿9,158

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 14/3

22:00-20:45

2 stops20h 45m

Incheon Intl

Tue 17/3

11:20-15:30

Nonstop6h 10m

฿9,319

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 13/3

03:05-10:45

1 stop29h 40m

Incheon Intl

Tue 17/3

21:45-01:55

2 stops30h 10m

฿9,481

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 11/12

10:35-21:30

1 stop8h 55m

Incheon Intl

Wed 17/12

11:20-15:30

Nonstop6h 10m

฿9,999

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 4/12

11:40-21:25

1 stop7h 45m

Incheon Intl

Mon 8/12

15:00-00:15

1 stop11h 15m

฿10,096

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 23/3

11:40-21:25

1 stop7h 45m

Incheon Intl

Sat 28/3

10:00-16:40

1 stop8h 40m

฿10,096

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 9/4

11:00-21:10

1 stop8h 10m

Incheon Intl

Thu 16/4

10:10-16:30

1 stop8h 20m

฿10,096

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sat 6/12

19:15-13:55

1 stop16h 40m

Incheon Intl

Tue 9/12

10:00-16:40

1 stop8h 40m

฿10,161

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 3/12

02:30-10:05

Nonstop5h 35m

Incheon Intl

Mon 8/12

12:30-16:40

Nonstop6h 10m

฿10,355

Flights are sorted by cheapest return flights first.

Deals found on 22/11

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 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 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 (41 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 ฿5,563
Thai Airways
Thai Airways
From ฿12,931
Air Busan
Air Busan
From ฿7,367
T'way Air
T'way Air
From ฿3,593

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 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

Entertainment

7.0

Comfort

8.4

Food

7.3

Overall

8.3

Crew

9.0

Boarding

8.1

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

Entertainment

7.0

Comfort

8.4

Food

7.3

Overall

8.3

Crew

9.0

Boarding

8.1

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

Entertainment

7.0

Comfort

8.4

Food

7.3

Overall

8.3

Crew

9.0

Boarding

8.1

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 ฿1,005, while return flights cost around ฿4,695.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around ฿4,711, however they can be found for as little as ฿4,695.

  • 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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Airports serving Seoul

Book a flight to or from one of these Seoul airports.
Flights to Incheon Intl
Flights from Incheon Intl

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