Cheap flights from Seoul to Bangkok Suvarnabhumi Airport from $133
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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
19 Jan — 26 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Friday or Wednesday and return on a Tuesday
Cheap flight deals from Seoul to Suvarnabhumi
Enter your travel dates to find the best prices.
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 20 December 2025.
Sun 21/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 31/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 18/12$407
Mon 29/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Wed 7/122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$408
Mon 29/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Tue 10/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$423
Mon 22/1217:10ICN - BKK
Nonstop6h 00mJin Air
Wed 7/122:25BKK - ICN
Nonstop5h 40mJin Air
Deal found 20/12$432
Mon 22/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 9/122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 20/12$438
Mon 22/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 5/102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$441
Mon 22/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 20/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$454
Mon 22/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 22/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$466
Mon 22/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Tue 30/1202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$467
Mon 29/1217:05ICN - BKK
Nonstop6h 20mEastar Jet
Thu 1/122:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 20/12$469
Sun 28/1212:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 5/102:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 18/12$470
Best flights from Seoul to Suvarnabhumi
Discover carefully curated flight deals from Seoul to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 December 2025.
Thu 5/317:05ICN - BKK
Nonstop6h 20mEastar Jet
Thu 12/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$284
Mon 8/620:05ICN - BKK
Nonstop6h 05mJeju Air
Mon 29/601:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 20/12$295
Tue 10/312:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 11/302:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$298
Sat 30/518:00ICN - BKK
Nonstop6h 05mT'way Air
Tue 2/600:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 18/12$302
Sun 19/410:05ICN - BKK
1 stop26h 45mVietnam Airlines
Thu 23/411:55BKK - ICN
1 stop15h 55mVietnam Airlines
Deal found 20/12$349
Thu 19/217:15ICN - BKK
Nonstop6h 10mAIR PREMIA
Wed 25/222:55BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 19/12$370
Thu 5/317:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 20/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 20/12$284
Tue 7/420:05ICN - BKK
Nonstop6h 05mJeju Air
Mon 13/401:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 20/12$311
Tue 21/418:00ICN - BKK
Nonstop6h 05mT'way Air
Sat 25/400:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 20/12$311
Wed 18/317:05ICN - BKK
Nonstop6h 20mEastar Jet
Tue 24/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 18/12$286
Wed 18/219:30ICN - BKK
Nonstop6h 15mJeju Air
Tue 17/301:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 19/12$343
Fri 29/518:00ICN - BKK
Nonstop6h 05mT'way Air
Sun 31/500:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 20/12$369
Direct flights from Seoul to Suvarnabhumi
Explore direct flight options from Seoul to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 December 2025.
Mon 8/618:00ICN - BKK
Nonstop6h 05mT'way Air
Thu 11/600:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 20/12$252
Mon 15/620:05ICN - BKK
Nonstop6h 05mJeju Air
Wed 17/601:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 19/12$275
Sat 9/520:05ICN - BKK
Nonstop6h 05mJeju Air
Tue 12/501:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 19/12$280
Sun 24/520:05ICN - BKK
Nonstop6h 05mJeju Air
Wed 27/501:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 20/12$281
Thu 5/317:05ICN - BKK
Nonstop6h 20mEastar Jet
Tue 10/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 18/12$284
Tue 3/317:05ICN - BKK
Nonstop6h 20mEastar Jet
Fri 13/322:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 19/12$286
Mon 8/620:05ICN - BKK
Nonstop6h 05mJeju Air
Mon 29/601:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 20/12$295
Mon 25/520:05ICN - BKK
Nonstop6h 05mJeju Air
Mon 29/601:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 19/12$296
Tue 10/312:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Wed 11/302:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$298
Mon 23/312:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Thu 26/302:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 20/12$299
Sat 13/620:05ICN - BKK
Nonstop6h 05mJeju Air
Mon 15/601:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 19/12$301
Sat 30/518:00ICN - BKK
Nonstop6h 05mT'way Air
Tue 2/600:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 18/12$302
Last-minute flights from Seoul to Suvarnabhumi
Discover last-minute flight deals from Seoul to Suvarnabhumi. Data last updated 20 December 2025 and is based on user searches.
Sat 10/119:50ICN - BKK
Nonstop6h 20mT'way Air
Sun 11/101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 19/12$349
Sat 10/119:50ICN - BKK
Nonstop6h 20mT'way Air
Tue 13/101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 18/12$396
Tue 20/115:25ICN - BKK
1 stop12h 00mShandong Airlines
Tue 27/102:25BKK - ICN
1 stop16h 45mShandong Airlines
Deal found 20/12$328
Tue 27/119:30ICN - BKK
Nonstop6h 15mJeju Air
Thu 5/201:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 20/12$376
Wed 28/119:30ICN - BKK
Nonstop6h 15mJeju Air
Wed 11/201:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 18/12$342
Wed 28/119:30ICN - BKK
Nonstop6h 15mJeju Air
Wed 4/201:00BKK - ICN
Nonstop5h 25mJeju Air
Deal found 19/12$393
Wed 28/119:50ICN - BKK
Nonstop6h 20mT'way Air
Mon 2/201:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 18/12$395
Thu 29/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Mon 2/202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$384
Fri 30/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Thu 12/202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$386
Fri 30/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Tue 10/202:25BKK - ICN
Nonstop5h 30mThai Vietjet Air
Deal found 19/12$387
Sat 31/119:50ICN - BKK
Nonstop6h 20mT'way Air
Fri 6/301:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 18/12$330
Sat 31/117:15ICN - BKK
Nonstop6h 10mAIR PREMIA
Fri 6/222:55BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 19/12$392
One-way flights from Seoul to Suvarnabhumi
Search for one-way flight options from Seoul to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 20 December 2025.
Tue 7/420:05ICN - BKK
Nonstop6h 05mJeju Air
Deal found 19/12$133
Thu 5/317:05ICN - BKK
Nonstop6h 20mEastar Jet
Deal found 18/12$138
Sat 9/511:05ICN - BKK
1 stop8h 00mVietnam Airlines
Deal found 19/12$142
Thu 19/217:15ICN - BKK
Nonstop6h 10mAIR PREMIA
Deal found 19/12$150
Wed 18/219:30ICN - BKK
Nonstop6h 15mJeju Air
Deal found 19/12$151
Mon 6/420:05ICN - BKK
Nonstop6h 05mJeju Air
Deal found 19/12$153
Fri 30/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 20/12$156
Thu 29/112:10ICN - BKK
Nonstop6h 10mThai Vietjet Air
Deal found 18/12$157
Fri 29/518:05ICN - BKK
1 stop22h 40mVietnam Airlines
Deal found 20/12$163
Wed 28/119:30ICN - BKK
Nonstop6h 15mJeju Air
Deal found 19/12$166
Sun 22/217:15ICN - BKK
Nonstop6h 10mAIR PREMIA
Deal found 19/12$171
Find 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 20 December 2025.
Customise 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 647,157 searches. Data last updated 20 December 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
Thu 5/3
17:05-21:25
Nonstop6h 20m
Bangkok Suvarnabhumi
Thu 12/3
22:25-06:20
Nonstop5h 55m
$284
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Thu 5/3
17:05-21:25
Nonstop6h 20m
Bangkok Suvarnabhumi
Fri 20/3
22:25-06:20
Nonstop5h 55m
$284
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Wed 18/3
17:05-21:25
Nonstop6h 20m
Bangkok Suvarnabhumi
Tue 24/3
22:25-06:20
Nonstop5h 55m
$286
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Mon 8/6
20:05-00:10
Nonstop6h 05m
Bangkok Suvarnabhumi
Mon 29/6
01:10-08:55
Nonstop5h 45m
$295
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Tue 10/3
12:10-16:20
Nonstop6h 10m
Bangkok Suvarnabhumi
Wed 11/3
02:25-09:55
Nonstop5h 30m
$298
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sat 30/5
18:00-22:05
Nonstop6h 05m
Bangkok Suvarnabhumi
Tue 2/6
00:05-07:40
Nonstop5h 35m
$302
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Tue 7/4
20:05-00:10
Nonstop6h 05m
Bangkok Suvarnabhumi
Mon 13/4
01:10-08:55
Nonstop5h 45m
$311
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Tue 21/4
18:00-22:05
Nonstop6h 05m
Bangkok Suvarnabhumi
Sat 25/4
00:05-07:40
Nonstop5h 35m
$311
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Wed 18/2
19:30-23:45
Nonstop6h 15m
Bangkok Suvarnabhumi
Tue 17/3
01:00-08:25
Nonstop5h 25m
$343
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sun 19/4
10:05-10:50
1 stop26h 45m
Bangkok Suvarnabhumi
Thu 23/4
11:55-05:50
1 stop15h 55m
$349
Flights are sorted by cheapest return flights first.
Deals found on 20/12
Showing 1-10 of 21 results
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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 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 Seoul to Bangkok Suvarnabhumi Airport
What is the cheapest month to book a flight from Seoul to Bangkok Suvarnabhumi Airport?
Currently, November is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $145). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $334). 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 20 December 2025.
When flying from Seoul to Bangkok Suvarnabhumi Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 20 December 2025.
The most flights from SEL to BKK are scheduled on a Friday (46 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (44 on average).
How much does it cost for a return flight from Seoul to Bangkok Suvarnabhumi Airport?
What’s the top stopover airport for flights from Seoul to Bangkok Suvarnabhumi Airport?
Share of one-stop return flights from Seoul to Bangkok Suvarnabhumi Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Hanoi (HAN) – chosen by Cheapflights users on 67% of one-stop itineraries from Seoul to Bangkok Suvarnabhumi Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Seoul to Bangkok Suvarnabhumi Airport?
Average return fare for one-stop flights from Seoul to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Hanoi (HAN) is the most affordable one-stop option, with an average return flight price of $585.
What’s the fastest stopover option from Seoul to Bangkok Suvarnabhumi Airport?
Shortest average travel time for one-stop one-way flights from Seoul to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Hanoi (HAN) have the shortest average one-way travel time for one-stop routes: 10h 00m.
Which airport typically offers the quickest stopover for flights from Seoul to Bangkok Suvarnabhumi Airport?
Average stopover duration for one-stop one-way flights from Seoul to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Hanoi (HAN) offer the fastest connection on this route, with an average stopover time of 3h 10m.
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 6h 05m. Eastar Jet provides one of the quickest options available for as low as $295. There are 3663 km between Seoul and Bangkok Suvarnabhumi Airport. Generally, flights for this route are direct.
What are the most reliable airlines from Seoul to Bangkok Suvarnabhumi Airport?
Before booking your flight to Bangkok Suvarnabhumi Airport from Seoul, have a look at the most reliable airlines to get you to your destination on time: Kuwait Airways (92%), Air Busan (91%), AIR PREMIA( 91%).
What are the cheapest flights from Seoul to Bangkok Suvarnabhumi Airport?
On average you can expect to pay $447 for a flight from Seoul to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $319 while the most popular route, (Incheon Intl - Bangkok Suvarnabhumi) is currently priced at $909.
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, November is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $145). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $334). 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.
Explore flights to Suvarnabhumi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 December 2025.
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 Seoul to Suvarnabhumi?
When you search for this flight from Seoul to Suvarnabhumi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seoul to Suvarnabhumi?
Cheapflights simply makes it quick and affordable to book flights from Seoul to Suvarnabhumi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Seoul to Suvarnabhumi with no change fees?
Yes, we can. To see specific flights from Seoul to Suvarnabhumi with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Seoul to Suvarnabhumi become cheaper?
Yes, Cheapflights offers price alerts on Seoul to Suvarnabhumi flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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