Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Bangkok to Seoul from ฿3,491

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
14 Feb — 21 Feb1
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

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 15 January 2026.

Round-trip from

฿5,252

One-way from

฿3,491

Popular in

December

Cheapest in

September

Average price

฿10,000
Thai AirAsia X
  • Thai AirAsia X
  • 23/3-30/3
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai Lion Air
  • Thai Lion Air
  • 20/1
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (฿27,357 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,386 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 15 January 2026.

Mon 23/302:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Mon 30/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,252
Mon 23/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Mon 30/312:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 14/1฿5,315
Fri 3/702:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Tue 14/711:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 13/1฿5,377
Sun 8/303:40
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 12/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,440
Tue 9/602:25
BKK
-
ICN
Nonstop5h 35m
Multiple Airlines
Tue 23/611:05
ICN
-
BKK
1 stop8h 00m
Multiple Airlines
Deal found 12/1฿5,440
Fri 8/502:25
BKK
-
ICN
Nonstop5h 35m
Multiple Airlines
Wed 13/510:05
ICN
-
BKK
1 stop10h 00m
Multiple Airlines
Deal found 13/1฿5,472
Wed 10/602:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 18/611:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 14/1฿5,503
Sat 13/602:25
BKK
-
ICN
Nonstop5h 35m
Thai Vietjet Air
Mon 22/612:10
ICN
-
BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 15/1฿5,503
Sun 15/303:40
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Fri 20/311:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 15/1฿5,535
Sun 26/402:30
DMK
-
ICN
Nonstop5h 35m
Thai AirAsia X
Thu 7/511:20
ICN
-
DMK
Nonstop6h 10m
Thai AirAsia X
Deal found 15/1฿5,566
Mon 16/302:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Sat 21/312:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 15/1฿5,566
Thu 15/102:25
BKK
-
ICN
Nonstop5h 30m
Thai Vietjet Air
Fri 30/112:10
ICN
-
BKK
Nonstop6h 10m
Thai Vietjet Air
Deal found 14/1฿5,598

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 15 January 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

Fri 13/2

02:30-10:05

Nonstop5h 35m

Incheon Intl

Sat 21/2

17:50-22:00

Nonstop6h 10m

฿7,359

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 12/2

03:20-10:55

Nonstop5h 35m

Incheon Intl

Sun 22/2

13:30-17:15

Nonstop5h 45m

฿7,956

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

฿8,271

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 26/3

15:45-01:35

1 stop7h 50m

Incheon Intl

Sun 29/3

11:20-15:30

Nonstop6h 10m

฿8,396

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 13/2

03:20-10:55

Nonstop5h 35m

Incheon Intl

Sun 22/2

13:30-17:15

Nonstop5h 45m

฿8,428

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 4/3

02:25-09:55

Nonstop5h 30m

Incheon Intl

Sun 8/3

12:10-16:20

Nonstop6h 10m

฿8,679

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 17/4

11:40-05:35

1 stop15h 55m

Incheon Intl

Sun 19/4

12:10-16:00

Nonstop5h 50m

฿8,805

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 30/6

02:30-10:05

Nonstop5h 35m

Incheon Intl

Thu 16/7

11:20-15:30

Nonstop6h 10m

฿8,868

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Fri 24/4

18:30-14:50

2 stops18h 20m

Incheon Intl

Tue 28/4

11:20-15:30

Nonstop6h 10m

฿8,868

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Wed 10/6

02:30-10:05

Nonstop5h 35m

Incheon Intl

Thu 18/6

08:15-19:45

2 stops13h 30m

฿8,962

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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

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 9 January 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 ฿2,799). Flying from Bangkok to Seoul in February is currently the most expensive (average of ฿6,415). 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 15 January 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 15 January 2026.

The most flights from TH1 to SEL are scheduled on a Wednesday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (33 on average).

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 15 January 2026.
Read reviews from past customers who have flown with AIR PREMIA and Thai Airways 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
8.3
Very Good
Check prices

Overall

8.3

Entertainment

7.1

Crew

9.0

Comfort

8.3

Food

7.4

Boarding

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
8.3
Very Good
AIR PREMIA
8.3
Very Good
Check prices

Overall

8.3

Entertainment

7.1

Crew

9.0

Comfort

8.3

Food

7.4

Boarding

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
378 reviews
AIR PREMIA
8.3
Very Good
Check prices

Overall

8.3

Entertainment

7.1

Crew

9.0

Comfort

8.3

Food

7.4

Boarding

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 Vietjet Air, Thai AirAsia X, 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 ฿2,096. Other airlines that can offer you cheap pricing are Thai Vietjet Air, from ฿2,223, and Vietnam Airlines, from ฿2,546. T'way Air is currently priced 76% below the average price you’ll pay for this route.

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

    ฿1,751 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 ฿1,835 and ฿2,639, 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: Air Busan (95%), AIR PREMIA (94%), เคนย่าแอร์เวย์ (93%).

  • What are the cheapest flights from Bangkok to Seoul?

    Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿23,046, our data indicates the cheapest price to be ฿3,865. 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 ฿2,799). Flying from Bangkok to Seoul in February is currently the most expensive (average of ฿6,415). 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.
Phuket City to Incheon Intl flights
Chiang Mai 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,572Average฿8,537FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Jin AirCheapest฿2,984Average฿7,143FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
T'way AirCheapest฿3,450Average฿7,804FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Thai Vietjet AirCheapest฿3,554Average฿7,599FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
Eastar JetCheapest฿4,979Average฿10,395FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jeju AirCheapest฿5,124Average฿8,681FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Thai AirAsia XCheapest฿5,188Average฿7,693FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
AIR PREMIACheapest฿5,621Average฿11,008FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Asiana AirlinesCheapest฿5,889Average฿12,720FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air BusanCheapest฿6,824Average฿9,561FlexibilityNo cancel feeOn-time94%
Search Air Busan 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.

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.