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Cheap flights from Bangkok to Seoul from ฿2,989

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
6 Jul — 13 Jul1
1 adult

Cheapflights Tip: The best prices from Bangkok to Seoul are usually found in August or June, booked 72 days in advance, depart on a Friday or Thursday and return on a Thursday

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 1 July 2025.

Round-trip from

฿5,751

One-way from

฿2,989

Popular in

December

Cheapest in

August

Average price

฿8,772
T'way Air
  • T'way Air
  • 22/8-26/8
  • 1 total stop
  • 24h 50m total
  • Bangkok to Seoul
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Thai AirAsia X
  • Thai AirAsia X
  • 27/10
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿49,854 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿9,832 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Bangkok to Seoul

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 1 July 2025.

Fri 22/802:25BKK - ICN
1 stop18h 15mMultiple Airlines
Tue 26/818:00ICN - BKK
Nonstop6h 35mMultiple Airlines
Deal found 28/6฿5,751
Tue 30/902:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Wed 15/1011:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 30/6฿5,848
Thu 21/800:05BKK - ICN
Nonstop5h 35mT'way Air
Fri 29/818:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 29/6฿5,913
Tue 30/901:45BKK - ICN
Nonstop5h 35mThai Vietjet Air
Wed 22/1011:55ICN - BKK
Nonstop5h 50mThai Vietjet Air
Deal found 30/6฿6,433
Thu 25/907:30DMK - ICN
1 stop9h 55mMultiple Airlines
Fri 26/911:35ICN - DMK
Nonstop6h 10mMultiple Airlines
Deal found 29/6฿6,888
Sat 5/702:50BKK - ICN
1 stop15h 55mShandong Airlines
Sat 26/708:45ICN - BKK
1 stop19h 05mShandong Airlines
Deal found 29/6฿6,953
Mon 21/715:55BKK - ICN
1 stop22h 40mVietnam Airlines
Fri 22/811:05ICN - BKK
1 stop8h 00mVietnam Airlines
Deal found 29/6฿7,343
Mon 7/723:05BKK - GMP
1 stop8h 00mMultiple Airlines
Thu 10/715:50GMP - BKK
1 stop8h 50mMultiple Airlines
Deal found 29/6฿8,805
Mon 7/722:55BKK - GMP
1 stop13h 50mAir Busan
Wed 9/707:10GMP - BKK
1 stop16h 35mAir Busan
Deal found 30/6฿9,455
Thu 24/719:35BKK - GMP
1 stop15h 30mAir China
Fri 22/814:25GMP - BKK
1 stop11h 45mAir China
Deal found 29/6฿10,527
Sun 6/701:10BKK - GMP
1 stop29h 10mJeju Air
Wed 9/719:40GMP - BKK
1 stop30h 30mJeju Air
Deal found 29/6฿10,819
Mon 28/702:45DMK - GMP
1 stop12h 10mMultiple Airlines
Tue 5/809:50GMP - DMK
1 stop12h 40mMultiple Airlines
Deal found 29/6฿11,177

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 1 July 2025.
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

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Fri 22/8

02:25-22:40

1 stop18h 15m

Incheon Intl

Tue 26/8

18:00-22:35

Nonstop6h 35m

฿5,751

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Tue 30/9

02:45-10:20

Nonstop5h 35m

Incheon Intl

Wed 15/10

11:35-15:45

Nonstop6h 10m

฿5,848

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 21/8

00:05-07:40

Nonstop5h 35m

Incheon Intl

Fri 29/8

18:00-22:35

Nonstop6h 35m

฿5,913

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Tue 30/9

01:45-09:20

Nonstop5h 35m

Incheon Intl

Wed 22/10

11:55-15:45

Nonstop5h 50m

฿6,433

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Thu 25/9

07:30-19:25

1 stop9h 55m

Incheon Intl

Fri 26/9

11:35-15:45

Nonstop6h 10m

฿6,888

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 21/7

15:55-16:35

1 stop22h 40m

Incheon Intl

Fri 22/8

11:05-17:05

1 stop8h 00m

฿7,343

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 17/7

22:20-06:00

Nonstop5h 40m

Incheon Intl

Mon 21/7

17:30-21:20

Nonstop5h 50m

฿7,538

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Thu 24/7

19:35-13:05

1 stop15h 30m

Seoul Gimpo Intl

Fri 22/8

14:25-00:10

1 stop11h 45m

฿10,527

BangkokSeoul

DMK - GMP

DMKGMP

Bangkok Don Mueang Intl

Mon 28/7

02:45-16:55

1 stop12h 10m

Seoul Gimpo Intl

Tue 5/8

09:50-20:30

1 stop12h 40m

฿11,177

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Wed 16/7

01:10-14:35

1 stop11h 25m

Seoul Gimpo Intl

Mon 21/7

18:55-17:45

2 stops24h 50m

฿11,437

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 30 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 27 June 2025.

The best time to book flights from Bangkok to Seoul is 72 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, June is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿152). Flying from Bangkok to Seoul in January is currently the most expensive (average of ฿388). 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 1 July 2025.

A simple way to save on the total cost of your ticket is to fly from Bangkok to Seoul at midday. If you’re flexible enough to do this you can expect to save up to 77% on your trip compared to booking a flight in the morning.

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 1 July 2025.

The most flights from TH1 to SEL are scheduled on a Monday (33 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (28 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 1 July 2025.
Read reviews from past customers who have flown with Vietnam Airlines, Air China, andChina Eastern 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.
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Comfort

7.5

Entertainment

6.3

Crew

8.1

Boarding

7.5

Food

6.8

Overall

7.5

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Vietnam Airlines
7.5
Good
194 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Comfort

7.5

Entertainment

6.3

Crew

8.1

Boarding

7.5

Food

6.8

Overall

7.5

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
Air China
7.2
Good
92 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Comfort

7.5

Entertainment

6.3

Crew

8.1

Boarding

7.5

Food

6.8

Overall

7.5

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.
China Eastern
7.1
Good
152 reviews
Vietnam Airlines
7.5
Good
194 reviews
Check prices

Comfort

7.5

Entertainment

6.3

Crew

8.1

Boarding

7.5

Food

6.8

Overall

7.5

Reviews

1 / 13
10.0
Excellent

Hamish,May 2025

SGN - MEL

Great experience with airline and quality of aircraft and crew service. Traveled in premium economy. Good comfy seats with excellent recline so could sleep fine.

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.

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

    Cheapflights users have booked flights from Bangkok to Seoul return from ฿5,848. Other airlines that can offer you cheap pricing are T'way Air, from ฿5,913, and Thai Vietjet Air, from ฿6,433. Thai AirAsia X is currently priced 39% below the average price you’ll pay for this route.

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

    ฿2,989 is the cheapest one-way deal found within the past few days, from Thai AirAsia X. You may also be able to find cheap deals on VietJet Air and T'way Air, with prices starting from ฿3,574 and ฿3,606, 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 Chathams (100%), EL AL (89%), โอมานแอร์ (89%).

  • What are the cheapest flights from Bangkok to Seoul?

    Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿55,008, our data indicates the cheapest price to be ฿4,804. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around ฿6,758.

  • 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, June is the cheapest month in which you can book a flight from Bangkok to Seoul (average of ฿152). Flying from Bangkok to Seoul in January is currently the most expensive (average of ฿388). 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

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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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,705Average฿8,834FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Eastar JetCheapest฿2,934Average฿11,185FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapest฿3,083Average฿7,381FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Shandong AirlinesCheapest฿3,918Average฿7,414FlexibilityNo cancel feeOn-time51%
Search Shandong Airlines flights
AIR PREMIACheapest฿5,808Average฿14,001FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
T'way AirCheapest฿5,912Average฿9,478FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Thai AirAsia XCheapest฿5,912Average฿8,539FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Air BusanCheapest฿7,688Average฿9,968FlexibilityNo cancel feeOn-time94%
Search Air Busan flights
Jeju AirCheapest฿7,731Average฿11,123FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Cathay PacificCheapest฿9,267Average฿10,183FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bangkok to Seoul?

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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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