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Cheap flights from Bangkok to Seoul from ฿3,162

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEL
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Bangkok to Seoul are usually found in June or August, booked 78 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 12 June 2025.

Round-trip from

฿5,737

One-way from

฿3,162

Popular in

December

Cheapest in

June

Average price

฿7,921
Thai AirAsia X
  • Thai AirAsia X
  • 6/9-12/9
  • Nonstop
  • 11h 45m total
  • Bangkok to Seoul
Search Deals
Thai AirAsia X
  • Thai AirAsia X
  • 2/7
  • Nonstop
  • 5h 35m total
  • Bangkok to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿47,521 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿10,175 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Sat 12/702:45DMK - ICN
Nonstop5h 35mThai AirAsia X
Mon 14/711:35ICN - DMK
Nonstop6h 10mThai AirAsia X
Deal found 12/6฿5,704
Tue 14/1013:50BKK - ICN
1 stop27h 35mMultiple Airlines
Thu 16/1010:05ICN - BKK
1 stop10h 00mMultiple Airlines
Deal found 11/6฿5,770
Thu 16/1019:55BKK - ICN
1 stop21h 30mVietJet Air
Mon 27/1006:25ICN - BKK
1 stop9h 40mVietJet Air
Deal found 11/6฿6,454
Mon 30/602:45DMK - ICN
Nonstop5h 35mMultiple Airlines
Tue 1/722:45ICN - DMK
1 stop15h 00mMultiple Airlines
Deal found 10/6฿6,617
Wed 2/700:05BKK - ICN
Nonstop5h 35mT'way Air
Sun 6/718:00ICN - BKK
Nonstop6h 35mT'way Air
Deal found 11/6฿7,139
Thu 26/601:30BKK - ICN
1 stop18h 00mไห่หนานแอร์ไลน์
Mon 30/622:35ICN - BKK
1 stop21h 40mไห่หนานแอร์ไลน์
Deal found 10/6฿7,465
Sun 6/722:20BKK - ICN
Nonstop5h 45mAir Busan
Mon 14/717:15ICN - BKK
Nonstop6h 05mAir Busan
Deal found 11/6฿7,791
Wed 25/622:55BKK - GMP
1 stop8h 10mMultiple Airlines
Tue 1/715:20GMP - BKK
2 stops11h 45mMultiple Airlines
Deal found 11/6฿7,823
Sun 29/602:25BKK - ICN
1 stop18h 15mShandong Airlines
Sat 12/716:45ICN - BKK
1 stop11h 05mShandong Airlines
Deal found 11/6฿8,019
Sat 14/601:00BKK - ICN
Nonstop5h 40mJeju Air
Wed 10/920:05ICN - BKK
Nonstop5h 54mJeju Air
Deal found 11/6฿8,605
Mon 16/601:10BKK - GMP
1 stop29h 10mJeju Air
Sat 21/606:15GMP - BKK
1 stop19h 55mJeju Air
Deal found 10/6฿8,801
Fri 12/921:05BKK - ICN
1 stop7h 35mVietnam Airlines
Tue 16/910:35ICN - BKK
1 stop9h 55mVietnam Airlines
Deal found 11/6฿9,257

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 12 June 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

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Sat 12/7

02:45-10:20

Nonstop5h 35m

Incheon Intl

Mon 14/7

11:35-15:45

Nonstop6h 10m

฿5,704

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Mon 11/8

14:00-07:55

1 stop15h 55m

Incheon Intl

Tue 26/8

10:05-18:05

1 stop10h 00m

฿5,965

BangkokIncheon

DMK - ICN

DMKICN

Bangkok Don Mueang Intl

Mon 30/6

02:45-10:20

Nonstop5h 35m

Incheon Intl

Tue 1/7

22:45-11:45

1 stop15h 00m

฿6,617

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Wed 2/7

00:05-07:40

Nonstop5h 35m

Incheon Intl

Sun 6/7

18:00-22:35

Nonstop6h 35m

฿7,139

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 26/6

01:30-21:30

1 stop18h 00m

Incheon Intl

Mon 30/6

22:35-18:15

1 stop21h 40m

฿7,465

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Thu 3/7

14:00-07:55

1 stop15h 55m

Incheon Intl

Wed 9/7

11:05-13:00

1 stop27h 55m

฿7,693

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 6/7

22:20-06:05

Nonstop5h 45m

Incheon Intl

Mon 14/7

17:15-21:20

Nonstop6h 05m

฿7,791

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Wed 25/6

22:55-09:05

1 stop8h 10m

Seoul Gimpo Intl

Tue 1/7

15:20-01:05

2 stops11h 45m

฿7,823

BangkokIncheon

BKK - ICN

BKKICN

Bangkok Suvarnabhumi

Sun 29/6

02:25-22:40

1 stop18h 15m

Incheon Intl

Fri 4/7

21:45-01:50

1 stop30h 05m

฿8,019

BangkokSeoul

BKK - GMP

BKKGMP

Bangkok Suvarnabhumi

Mon 16/6

01:10-08:20

1 stop29h 10m

Seoul Gimpo Intl

Sat 21/6

06:15-00:10

1 stop19h 55m

฿8,801

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 51 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 9 June 2025.

The best time to book flights from Bangkok to Seoul is 78 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 12 June 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 12 June 2025.

The most flights from TH1 to SEL are scheduled on a Wednesday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).

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 inches 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 12 June 2025.
To help decide which airline to fly from Bangkok to Seoul, see what other customers have to say about EVA Air, AIR PREMIA and ไห่หนานแอร์ไลน์. 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.
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,202 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
AIR PREMIA
8.2
Very Good
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 ฿5,737. Other airlines that can offer you cheap pricing are ไห่หนานแอร์ไลน์, from ฿7,465, and T'way Air, from ฿7,562. Thai AirAsia X is currently priced 40% below the average price you’ll pay for this route.

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

    ฿3,162 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 Shandong Airlines, with prices starting from ฿3,292 and ฿3,683, respectively.

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

    While some choose either Bangkok Don Mueang Intl - Incheon Intl or Bangkok Suvarnabhumi - Seoul Gimpo 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 (92%), โอมานแอร์ (91%).

  • What are the cheapest flights from Bangkok to Seoul?

    Looking for the cheapest flight from Bangkok to Seoul? While on average our users pay ฿24,686, our data indicates the cheapest price to be ฿4,498. The most popular route (Bangkok Suvarnabhumi - Incheon Intl), is priced around ฿6,487.

  • 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest฿2,714Average฿9,098FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Eastar JetCheapest฿2,944Average฿11,241FlexibilityNo cancel feeOn-time86%
Search Eastar Jet flights
Jin AirCheapest฿3,093Average฿7,405FlexibilityNo cancel feeOn-time78%
Search Jin Air flights
Shandong AirlinesCheapest฿3,931Average฿7,439FlexibilityNo cancel feeOn-time51%
Search Shandong Airlines flights
T'way AirCheapest฿5,682Average฿9,512FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
Thai AirAsia XCheapest฿5,899Average฿8,472FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
AIR PREMIACheapest฿6,089Average฿14,181FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights
Jeju AirCheapest฿7,172Average฿10,935FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Air BusanCheapest฿7,489Average฿9,908FlexibilityNo cancel feeOn-time94%
Search Air Busan flights
Cathay PacificCheapest฿9,298Average฿10,497FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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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