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Suvarnabhumi

$70+ Cheap flights from Seoul (SEL) to Suvarnabhumi (BKK)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Bangkok Suvarnabhumi are usually found in September or June, booked 49 days in advance, depart on a Monday or Friday and return on a Saturday

Cheap flight deals from Seoul to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Suvarnabhumi (BKK). 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 September 15, 2025.

Round-trip from

$147
(Jin Air)

One-way from

$70
(Booking.com)

Popular in

January

Cheapest in

September

Average price

$168

Good round-trip deal

$158 or less

Good one-way deal

$84 or less
From Seoul (SEL) to Bangkok Suvarnabhumi
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One-way flight from Seoul (SEL) to Bangkok Suvarnabhumi
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Highest demand for flights based on searches. 26% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Bangkok Suvarnabhumi.
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Find flight deals from Seoul to Suvarnabhumi

Cheapest flights from Seoul to Suvarnabhumi
Explore the most affordable flight options available from Seoul to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:05 pmICN - BKK
Nonstop5h 50mJeju Air
Wed 9/241:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$107
This Jeju Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:05 pmICN - BKK
Nonstop5h 50mJeju Air
Thu 9/251:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$113
This Jeju Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:05 pmICN - BKK
Nonstop5h 50mJeju Air
Wed 9/241:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/15$136
This Jin Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:55 pmICN - BKK
Nonstop5h 50mJin Air
Thu 10/2312:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 9/14$147
This T'way Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 pmICN - BKK
Nonstop6h 05mT'way Air
Sat 10/2512:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 9/15$153
This AIR PREMIA deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
Sat 9/2710:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 9/14$154
This Jin Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:55 pmICN - BKK
Nonstop5h 50mJin Air
Thu 10/2312:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 9/13$156
This Jin Air deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:55 pmICN - BKK
Nonstop5h 50mJin Air
Wed 10/1512:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 9/13$158
This Jeju Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:05 pmICN - BKK
Nonstop5h 50mJeju Air
Tue 9/301:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 9/14$160
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:30 pmICN - BKK
Nonstop5h 50mEastar Jet
Fri 9/2610:20 pmBKK - ICN
Nonstop5h 40mEastar Jet
Deal found 9/14$161
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:15 pmICN - BKK
Nonstop6h 05mAir Busan
Fri 10/2410:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 9/14$162
This Jin Air deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:55 pmICN - BKK
Nonstop5h 50mJin Air
Sat 10/1812:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 9/14$165

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Suvarnabhumi 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Seoul to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Seoul

Fly to

Suvarnabhumi

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 10/10

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 10/18

1:00 am-8:40 am

Nonstop5h 40m

$170

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/9

8:05 pm-11:55 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Sat 10/18

1:00 am-8:40 am

Nonstop5h 40m

$170

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/9

7:55 pm-11:45 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 10/16

12:55 am-8:25 am

Nonstop5h 30m

$173

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 12/1

6:05 pm-2:45 pm

1 stop22h 40m

Bangkok Suvarnabhumi

Mon 12/8

3:55 pm-5:30 am

1 stop11h 35m

$174

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 10/9

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Sun 10/19

10:45 pm-6:25 am

Nonstop5h 40m

$187

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 10/10

6:00 pm-10:05 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 10/14

12:05 am-7:40 am

Nonstop5h 35m

$209

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 10/18

7:55 pm-11:45 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Mon 10/20

12:55 am-8:25 am

Nonstop5h 30m

$210

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 10/13

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Sat 10/18

10:45 pm-6:25 am

Nonstop5h 40m

$216

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Fri 10/10

7:20 am-12:10 am

1 stop18h 50m

Bangkok Suvarnabhumi

Sat 10/18

1:10 am-8:20 am

1 stop29h 10m

$227

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Thu 10/9

7:40 pm-12:10 am

1 stop30h 30m

Bangkok Suvarnabhumi

Sat 10/18

1:10 am-8:20 am

1 stop29h 10m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 34 results
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The best insider tips for Seoul to Bangkok Suvarnabhumi Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Bangkok Suvarnabhumi Airport trip
Airlines
Thai Airways

Thai Airways Economy offers 18” width and 32” pitch seats for comfort.


Enjoy Thai dishes like curry meals on long-haul flights for a unique experience.

Read more about Thai Airwaysby Yulia Denisyuk
Jeju Air

Opt for Biz Lite for priority boarding and a 66-pound checked bag allowance.


Jeju Air offers balloon art and caricature for kids on select flights.

Read more about Jeju Airby Joe Minihane
Airports
ICN

Plan for a 20-minute wait at security, especially if flying premium class, as there's no fast track for most passengers.

Read more about ICNby Gabriel Leigh
BKK

Use the Airport Rail Link for a quick 20-minute trip to Bangkok's city center, connecting with MRT or BTS for convenience.

Read more about BKKby Robert Schrader
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Thai Airways

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Joe Minihane

Joe Minihane

Expert on Jeju Air

Joe Minihane

Joe Minihane

Joe has been obsessed with travel and flying ever since he was a child. He's a freelance travel journalist and author, and his work has appeared in The Times, Guardian and CNN. As a Europe obsessive, he has stayed in Zurich on a swimming adventure around the city, used Geneva as a base for Alpine adventures and spent time in Copenhagen soaking up the world class culture and cuisine, all the while exploring the best hotels these cities have to offer.

Read more
Robert Schrader

Robert Schrader

Expert on BKK

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from Seoul to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Seoul with our price prediction graph.
Estimated round-trip 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 Seoul to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Seoul to Bangkok Suvarnabhumi Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Suvarnabhumi. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Seoul to Bangkok Suvarnabhumi Airport, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $900). Flying from Seoul to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,507). 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 SEL to BKK?

Find hourly flight availability from Seoul to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

One of the essential ways to save on airfare from Seoul to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 63% on airfare.

What is the cheapest day to fly from Seoul to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Suvarnabhumi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seoul to Bangkok Suvarnabhumi Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seoul to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Seoul to Suvarnabhumi. 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 September 15, 2025.

The most flights from SEL to BKK are scheduled on a Saturday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with Korean Air and Thai Airways from Seoul to Bangkok Suvarnabhumi Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Thai Airways
7.8
Good
350 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Suvarnabhumi. 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 Seoul to Bangkok Suvarnabhumi Airport?

    A quick flight from Seoul to Bangkok Suvarnabhumi Airport can take about 5h 50m. Jeju Air provides one of the quickest options available for as low as $170. Seoul and Bangkok Suvarnabhumi Airport are separated by a distance of 2276 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Seoul to Bangkok Suvarnabhumi Airport round-trip from $62. Other airlines that can offer you cheap pricing are T'way Air, from $107, and AIR PREMIA, from $109. You may be able to fly from Seoul to Bangkok Suvarnabhumi Airport for 74% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Seoul to Bangkok Suvarnabhumi Airport are Jeju Air ($77), T'way Air ($97), and AIR PREMIA ($98).

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

    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 Seoul to Bangkok Suvarnabhumi Airport on time: EL AL (98%), Turkish Airlines (98%), AIR PREMIA (98%).

  • What are the cheapest flights from Seoul to Bangkok Suvarnabhumi Airport?

    The cheapest flight price from Seoul to Bangkok Suvarnabhumi Airport is $69. On average you can expect to pay $580. The most popular route, (Incheon Intl - Bangkok Suvarnabhumi), can usually be booked for $188.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul to Suvarnabhumi 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 Seoul to Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $900). Flying from Seoul to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,507). 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

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Suvarnabhumi flights
Gimpo Intl to Suvarnabhumi flights
Busan to Suvarnabhumi flights

Top 10 airlines flying from Seoul to Suvarnabhumi

Discover the top 10 airlines that operate flights from Seoul to Suvarnabhumi. 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai Vietjet AirCheapest$62Average$243FlexibilityNo cancel feeOn-timeN/A
T'way AirCheapest$107Average$187FlexibilityNo cancel feeOn-time88%
AIR PREMIACheapest$109Average$270FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$139Average$255FlexibilityNo cancel feeOn-time86%
Jin AirCheapest$140Average$278FlexibilityNo cancel feeOn-time78%
Vietnam AirlinesCheapest$142Average$189FlexibilityNo cancel feeOn-time81%
Air BusanCheapest$162Average$217FlexibilityNo cancel feeOn-time94%
Thai AirAsia XCheapest$163Average$250FlexibilityNo cancel feeOn-timeN/A
Jeju AirCheapest$166Average$294FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$194Average$292FlexibilityNo cancel feeOn-time62%

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