HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Suvarnabhumi

$78+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seoul to Suvarnabhumi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seoul to Bangkok Suvarnabhumi are usually found in June or May, 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 July 31, 2025.

Round-trip from

$134
(Mytrip)

One-way from

$78
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$211

Good round-trip deal

$220 or less

Good one-way deal

$107 or less
From Seoul (SEL) to Bangkok Suvarnabhumi
Search Deals
One-way flight from Seoul (SEL) to Bangkok Suvarnabhumi
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
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.
Search Deals

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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:05 amICN - BKK
1 stop26h 45mVietnam Airlines
Sun 9/2111:55 amBKK - ICN
1 stop26h 40mVietnam Airlines
Deal found 7/29$134
This AIR PREMIA deal was found by Cheapflights users on 7/30. 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.
Thu 8/284:50 pmICN - BKK
Nonstop6h 20mAIR PREMIA
Thu 9/410:45 pmBKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 7/30$149
This Trip.com deal was found by Cheapflights users on 7/29. 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.
Thu 8/285:30 pmICN - BKK
Nonstop5h 50mEastar Jet
Thu 9/410:20 pmBKK - ICN
Nonstop5h 40mEastar Jet
Deal found 7/29$153
This Jeju Air deal was found by Cheapflights users on 7/30. 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 9/138:05 pmICN - BKK
Nonstop5h 54mJeju Air
Thu 9/181:00 amBKK - ICN
Nonstop5h 40mJeju Air
Deal found 7/30$157
This Jin Air deal was found by Cheapflights users on 7/31. 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.
Tue 8/57:55 pmICN - BKK
Nonstop5h 50mJin Air
Mon 8/1112:55 amBKK - ICN
Nonstop5h 30mJin Air
Deal found 7/31$158
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Fri 12/126:05 pmICN - BKK
1 stop19h 15mMultiple Airlines
Mon 2/97:20 amBKK - ICN
Nonstop5h 25mMultiple Airlines
Deal found 7/30$162
This Trip.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/305:15 pmICN - BKK
Nonstop6h 05mAir Busan
Thu 9/410:20 pmBKK - ICN
Nonstop5h 45mAir Busan
Deal found 7/31$166
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/66:00 pmICN - BKK
Nonstop6h 35mT'way Air
Tue 8/1212:05 amBKK - ICN
Nonstop5h 35mT'way Air
Deal found 7/30$170
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/144:45 pmICN - BKK
1 stop27h 10mChina Southern
Wed 8/203:00 amBKK - ICN
1 stop8h 55mChina Southern
Deal found 7/29$192
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:00 amGMP - BKK
2 stops13h 05mMultiple Airlines
Wed 9/107:05 pmBKK - GMP
2 stops20h 45mMultiple Airlines
Deal found 7/30$237
This Jeju Air deal was found by Cheapflights users on 7/31. 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.
Wed 8/66:15 amGMP - BKK
1 stop19h 55mJeju Air
Wed 8/201:10 amBKK - GMP
1 stop29h 10mJeju Air
Deal found 7/31$247

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 July 31, 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

Sun 9/14

6:05 pm-10:50 am

1 stop18h 45m

Bangkok Suvarnabhumi

Sun 9/21

11:55 am-4:35 pm

1 stop26h 40m

$134

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 8/28

4:50 pm-9:10 pm

Nonstop6h 20m

Bangkok Suvarnabhumi

Thu 9/4

10:45 pm-6:25 am

Nonstop5h 40m

$149

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 9/16

5:15 pm-9:20 pm

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 9/23

10:20 pm-6:05 am

Nonstop5h 45m

$156

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 9/13

8:05 pm-11:59 pm

Nonstop5h 54m

Bangkok Suvarnabhumi

Thu 9/18

1:00 am-8:40 am

Nonstop5h 40m

$157

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 12/12

6:05 pm-11:20 am

1 stop19h 15m

Bangkok Suvarnabhumi

Mon 2/9

7:20 am-2:45 pm

Nonstop5h 25m

$162

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 8/30

6:00 pm-10:35 pm

Nonstop6h 35m

Bangkok Suvarnabhumi

Fri 9/5

12:05 am-7:40 am

Nonstop5h 35m

$171

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 8/10

7:55 pm-11:45 pm

Nonstop5h 50m

Bangkok Suvarnabhumi

Thu 8/21

12:55 am-8:25 am

Nonstop5h 30m

$172

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Sun 9/7

7:00 am-6:05 pm

2 stops13h 05m

Bangkok Suvarnabhumi

Wed 9/10

7:05 pm-5:50 pm

2 stops20h 45m

$237

SeoulBangkok

GMP - BKK

GMPBKK

Seoul Gimpo Intl

Mon 8/18

7:40 pm-12:10 am

1 stop30h 30m

Bangkok Suvarnabhumi

Wed 8/20

1:10 am-8:20 am

1 stop29h 10m

$254

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 8/7

5:30 pm-9:20 pm

Nonstop5h 50m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 25 results
1
2
3

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 July 25, 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 $946). Flying from Seoul to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,563). 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 July 31, 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 61% 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 July 31, 2025.

The most flights from SEL to BKK are scheduled on a Wednesday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 July 31, 2025.
Get a feel of what it's like to fly with AIR PREMIA, China Southern, and Vietnam Airlines 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.
AIR PREMIA
8.2
Very good
59 reviews

Overall

8.2

Crew

8.9

Boarding

7.9

Entertainment

6.8

Comfort

8.3

Food

7.3

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
AIR PREMIA
8.2
Very good
59 reviews
AIR PREMIA
8.2
Very good
59 reviews

Overall

8.2

Crew

8.9

Boarding

7.9

Entertainment

6.8

Comfort

8.3

Food

7.3

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
China Southern
7.6
Good
104 reviews
AIR PREMIA
8.2
Very good
59 reviews

Overall

8.2

Crew

8.9

Boarding

7.9

Entertainment

6.8

Comfort

8.3

Food

7.3

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.
Vietnam Airlines
7.5
Good
197 reviews
AIR PREMIA
8.2
Very good
59 reviews

Overall

8.2

Crew

8.9

Boarding

7.9

Entertainment

6.8

Comfort

8.3

Food

7.3

Reviews

1 / 5
2.0
Mediocre

Anonymous,Aug 2024

BKK - ICN

They cancel themselves without any agreement. and they ruined my travel plan all of my next schedule.

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.

  • 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 $134. Other airlines that can offer you cheap pricing are AIR PREMIA, from $149, and Eastar Jet, from $153. You may be able to fly from Seoul to Bangkok Suvarnabhumi Airport for 47% 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 Eastar Jet ($78), Jeju Air ($79), and Vietnam Airlines ($79).

  • 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: Oman Air (100%), T'way Air (100%), AIR PREMIA (100%).

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

    The cheapest flight price from Seoul to Bangkok Suvarnabhumi Airport is $87. On average you can expect to pay $524. The most popular route, (Seoul Gimpo Intl - Bangkok Suvarnabhumi), can usually be booked for $252.

  • 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 $946). Flying from Seoul to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,563). 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
Chonburi
Kanchanaburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

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 Seoul to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
Gimpo Intl to Suvarnabhumi flights
Incheon 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$104Average$199FlexibilityNo cancel feeOn-time88%
AIR PREMIACheapest$108Average$277FlexibilityNo cancel feeOn-timeN/A
Vietnam AirlinesCheapest$142Average$195FlexibilityNo cancel feeOn-time81%
Jin AirCheapest$150Average$274FlexibilityNo cancel feeOn-time78%
Thai AirAsia XCheapest$164Average$244FlexibilityNo cancel feeOn-timeN/A
Air BusanCheapest$166Average$217FlexibilityNo cancel feeOn-time94%
Jeju AirCheapest$169Average$295FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$178Average$252FlexibilityNo cancel feeOn-time86%
China EasternCheapest$194Average$270FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$200Average$238FlexibilityNo cancel feeOn-time69%

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.