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Cheap flights from Bangkok to Seoul from ฿3,406

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Seoul are usually found in September or June, booked 75 days in advance, depart on a Sunday or Friday and return on a Sunday

Cheap flight deals from Bangkok to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Seoul
Explore the most affordable flight options available from Bangkok to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 February 2026.

Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 13/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 12/2฿5,574
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 19/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 12/2฿5,605
Wed 11/201:30
BKK
-
ICN
Nonstop5h 30m
T'way Air
Sat 21/219:50
ICN
-
BKK
Nonstop6h 20m
T'way Air
Deal found 11/2฿5,605
Tue 10/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Mon 16/312:30
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 12/2฿5,636
Tue 28/702:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Tue 4/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 13/2฿5,636
Thu 12/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Wed 18/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 13/2฿5,667
Thu 12/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Tue 17/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 11/2฿5,667
Sat 14/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 17/317:50
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 11/2฿5,698
Sun 8/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Fri 13/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 13/2฿5,698
Tue 10/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Sun 15/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 12/2฿5,729
Tue 18/802:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Fri 28/812:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 14/2฿5,729
Sat 14/309:00
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 20/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 13/2฿5,759

Find flight deals from Bangkok to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 February 2026.

Round-trip from

฿5,574

One-way from

฿3,406

Popular in

December

Cheapest in

September

Average price

฿8,701
Thai AirAsia X
  • Thai AirAsia X
  • 12/3-15/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
10/5
  • 10/5
  • 2 total stops
  • 30h 45m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿31,845 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿7,419 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 14 February 2026.
Use the filters below to find and compare flights from Bangkok to Seoul that are best for you.

Fly from

Bangkok

Fly to

Seoul

Route

Depart

Return

Price

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 23/4

02:30-10:05

Nonstop5h 35m

Incheon Intl

Wed 29/4

11:20-15:30

Nonstop6h 10m

฿6,007

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 17/3

09:00-16:35

Nonstop5h 35m

Incheon Intl

Tue 24/3

11:20-15:30

Nonstop6h 10m

฿6,069

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 16/3

02:25-09:55

Nonstop5h 30m

Incheon Intl

Tue 24/3

12:10-16:20

Nonstop6h 10m

฿6,162

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 16/3

02:20-19:50

1 stop15h 30m

Incheon Intl

Tue 24/3

12:10-16:20

Nonstop6h 10m

฿6,565

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 11/3

02:25-09:55

Nonstop5h 30m

Incheon Intl

Sun 15/3

12:10-16:20

Nonstop6h 10m

฿6,874

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 23/4

02:25-10:00

Nonstop5h 35m

Incheon Intl

Wed 29/4

23:40-01:25

1 stop27h 45m

฿7,091

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 24/4

21:05-07:00

2 stops31h 55m

Incheon Intl

Wed 29/4

11:20-15:30

Nonstop6h 10m

฿7,122

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 12/3

05:05-15:05

1 stop8h 00m

Incheon Intl

Sun 15/3

12:10-16:20

Nonstop6h 10m

฿7,772

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 23/4

02:25-10:00

Nonstop5h 35m

Incheon Intl

Wed 29/4

12:10-16:00

Nonstop5h 50m

฿7,865

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 1/7

02:50-14:30

1 stop9h 40m

Incheon Intl

Thu 9/7

11:45-01:25

1 stop15h 40m

฿8,144

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 60 results
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Best time to book a flight from Bangkok to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Bangkok 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 from Bangkok to Seoul

How far ahead should I book a flight from Bangkok 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 13 February 2026.

The best time to book flights from Bangkok to Seoul is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Bangkok to Seoul?

Currently, September is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿2,756). Flying from Bangkok to Seoul in February is currently the most expensive (average of ฿6,348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BKK to SEL?

Find hourly flight availability from Bangkok to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok to Seoul as you normally would.

Weekly flight availability from Bangkok to Seoul

Explore weekly flight availability from Bangkok to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 February 2026.

The most flights from TH1 to SEL are scheduled on a Friday (44 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (36 on average).

How much does it cost for a return flight from Bangkok to Seoul?

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 14 February 2026.
Read reviews from past customers who have flown with AIR PREMIA, Thai Airways, andThai Vietjet Air from Bangkok to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
AIR PREMIA
8.2
Very Good
Check prices

Comfort

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Overall

8.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
AIR PREMIA
8.2
Very Good
AIR PREMIA
8.2
Very Good
Check prices

Comfort

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Overall

8.2

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
382 reviews
AIR PREMIA
8.2
Very Good
Check prices

Comfort

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Overall

8.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!
Thai Vietjet Air
6.6
Okay
113 reviews
AIR PREMIA
8.2
Very Good
Check prices

Comfort

8.3

Food

7.3

Crew

9.0

Boarding

8.1

Entertainment

7.0

Overall

8.2

Reviews

1 / 8
10.0
Excellent

Anonymous,Jan 2026

EWR - ICN

Extremely excellent. It is now my airline of choice! Fantastic airline!

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bangkok to Seoul?

    Thai AirAsia X, Thai Vietjet Air, and Thai Lion Air can get you from Bangkok to Seoul in just under 5h 30m. Your travel time will be generally consistent. The distance between Bangkok and Seoul is about 3663 km. All flights are typically direct.

  • What are the cheapest airlines flying from Bangkok to Seoul round-trip?

    Cheapflights users have booked flights from Bangkok to Seoul return from ฿2,064. Other airlines that can offer you cheap pricing are Vietnam Airlines, from ฿2,532, and Jin Air, from ฿2,938. T'way Air is currently priced 75% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Bangkok to Seoul one-way?

    ฿1,724 is the cheapest one-way deal found within the past few days, from Jin Air. You may also be able to find cheap deals on Thai Vietjet Air and Thai AirAsia X, with prices starting from ฿1,960 and ฿2,599, respectively.

  • What are the most popular routes from Bangkok to Seoul?

    While some choose either Bangkok Suvarnabhumi - Seoul Gimpo Intl or Bangkok Don Mueang Intl - Incheon Intl, Bangkok Suvarnabhumi - Incheon Intl is the most popular route from Bangkok to Seoul.

  • What are the most reliable airlines from Bangkok to Seoul?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bangkok to Seoul on time: EL AL (98%), เคนย่าแอร์เวย์ (97%), Air Busan (97%).

  • What are the cheapest flights from Bangkok to Seoul?

    Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿12,195, our data indicates the cheapest price to be ฿3,457. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around ฿6,038.

  • Can I find deals for flights from Bangkok to Seoul that include hotel bookings?

    Yes. In addition to deals on Bangkok to Seoul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Seoul.

  • Can I find deals for business class flights from Bangkok to Seoul?

    Yes. Cheapflights offers flight deals from Bangkok to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok to Seoul?

    Currently, September is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿2,756). Flying from Bangkok to Seoul in February is currently the most expensive (average of ฿6,348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Alternative routes for Bangkok to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Incheon Intl flights
Phuket City to Incheon Intl flights
Chiang Mai to Busan flights

Top 10 airlines flying from Bangkok to Seoul

Discover the top 10 airlines that operate flights from Bangkok to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest฿2,064Average฿6,717FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Vietnam AirlinesCheapest฿2,532Average฿8,406FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿2,938Average฿7,034FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Eastar JetCheapest฿3,101Average฿9,486FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Thai AirAsia XCheapest฿3,364Average฿7,333FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Jeju AirCheapest฿3,459Average฿8,396FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Thai Vietjet AirCheapest฿3,500Average฿6,921FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
AIR PREMIACheapest฿4,130Average฿10,577FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Asiana AirlinesCheapest฿5,799Average฿12,525FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest฿5,913Average฿16,763FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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 from Bangkok to Seoul?

Cheapflights helps you search for flights from Bangkok 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 from Bangkok to Seoul?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Seoul.

Can Cheapflights find flights from Bangkok to Seoul with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Bangkok to Seoul flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Bangkok 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 above to set up your price alerts.

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