$73+ Cheap flights from Seoul (SEL) to Southeast Asia
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Seoul to Southeast Asia 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.Cheap flight deals from Seoul to Southeast Asia
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Cheapest flights from Seoul to Southeast AsiaExplore the most affordable flight options available from Seoul to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from Seoul to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This Eastar Jet deal was found by Cheapflights users on 8/10. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:55 pm -
Nonstop5h 00m
Thu 9/171:10 am -
Nonstop4h 45m
Deal found 8/10![Eastar Jet logo]()
$187
This Jin Air deal was found by Cheapflights users on 8/6. 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.
Sat 9/268:40 pm -
Nonstop5h 05m
Wed 9/3012:55 am -
Nonstop5h 05m
Deal found 8/6![Jin Air logo]()
$194
This Eastar Jet deal was found by Cheapflights users on 8/7. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 pm -
Nonstop5h 00m
Sun 9/131:10 am -
Nonstop4h 45m
Deal found 8/7![Eastar Jet logo]()
$196
This Eastar Jet deal was found by Cheapflights users on 8/10. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:50 pm -
Nonstop6h 05m
Fri 10/301:55 am -
Nonstop4h 55m
Deal found 8/10![Eastar Jet logo]()
$197
This Jeju Air deal was found by Cheapflights users on 8/7. 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 8/197:05 pm -
Nonstop4h 15m
Wed 9/211:20 pm -
Nonstop4h 10m
Deal found 8/7![Jeju Air logo]()
$197
This Jeju Air deal was found by Cheapflights users on 8/7. 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 8/207:05 pm -
Nonstop4h 15m
Mon 8/2411:20 pm -
Nonstop4h 10m
Deal found 8/7![Jeju Air logo]()
$198
This Eastar Jet deal was found by Cheapflights users on 8/10. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:50 pm -
Nonstop6h 05m
Thu 10/291:55 am -
Nonstop4h 55m
Deal found 8/10![Eastar Jet logo]()
$199
This Jeju Air deal was found by Cheapflights users on 8/5. 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 9/209:25 pm -
Nonstop5h 10m
Wed 9/231:35 am -
Nonstop5h 10m
Deal found 8/5![Jeju Air logo]()
$200
This Jeju Air deal was found by Cheapflights users on 8/7. 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 9/27:05 pm -
Nonstop4h 15m
Sat 9/511:20 pm -
Nonstop4h 10m
Deal found 8/7![Jeju Air logo]()
$200
This Jeju Air deal was found by Cheapflights users on 8/6. 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.
Mon 10/129:25 pm -
Nonstop5h 10m
Wed 10/141:35 am -
Nonstop5h 10m
Deal found 8/6![Jeju Air logo]()
$201
This Jeju Air deal was found by Cheapflights users on 8/10. 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 9/139:25 pm -
Nonstop5h 10m
Thu 9/171:35 am -
Nonstop5h 10m
Deal found 8/10![Jeju Air logo]()
$202
This Jeju Air deal was found by Cheapflights users on 8/9. 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.
Tue 9/87:05 pm -
Nonstop4h 15m
Sat 9/1211:20 pm -
Nonstop4h 10m
Deal found 8/9![Jeju Air logo]()
$202
Best flights from Seoul to Southeast AsiaDiscover carefully curated flight deals from Seoul to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Seoul to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This Jeju Air deal was found by Cheapflights users on 8/9. 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.
Fri 8/217:05 pm -
Nonstop4h 15m
Sun 8/2311:20 pm -
Nonstop4h 10m
Deal found 8/9![Jeju Air logo]()
$199
This T'way Air deal was found by Cheapflights users on 8/5. 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.
Mon 9/147:00 pm -
Nonstop5h 30m
Wed 9/1611:30 pm -
Nonstop5h 15m
Deal found 8/5![T'way Air logo]()
$208
This Philippine Airlines deal was found by Cheapflights users on 8/9. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:20 am -
Nonstop4h 10m
Sat 9/192:10 pm -
Nonstop4h 05m
Deal found 8/9![Philippine Airlines logo]()
$219
This KAYAK deal was found by Cheapflights users on 8/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:05 pm -
1 stop12h 15m
Sat 9/191:50 am -
1 stop10h 15m
Deal found 8/5![Air China logo]()
$239
This Vietnam Airlines deal was found by Cheapflights users on 8/10. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:55 pm -
1 stop25h 30m
Thu 9/107:25 pm -
1 stop20h 00m
Deal found 8/10![Vietnam Airlines logo]()
$252
This Korean Air deal was found by Cheapflights users on 8/9. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:40 am -
Nonstop4h 20m
Sun 11/111:40 pm -
Nonstop3h 45m
Deal found 8/9![Korean Air logo]()
$258
This AIR PREMIA deal was found by Cheapflights users on 8/5. 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.
Sun 9/65:15 pm -
Nonstop5h 55m
Thu 9/1010:45 pm -
Nonstop5h 30m
Deal found 8/5![AIR PREMIA logo]()
$262
This Jin Air deal was found by Cheapflights users on 8/6. 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.
Thu 8/278:40 pm -
Nonstop5h 05m
Sun 8/3012:55 am -
Nonstop5h 05m
Deal found 8/6![Jin Air logo]()
$271
This Shandong Airlines deal was found by Cheapflights users on 8/7. 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 Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:05 pm -
1 stop29h 25m
Wed 12/23:30 am -
1 stop18h 20m
Deal found 8/7![Shandong Airlines logo]()
$296
This Malaysia Airlines deal was found by Cheapflights users on 8/9. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:10 am -
1 stop12h 50m
Wed 8/263:05 pm -
1 stop15h 05m
Deal found 8/9![Malaysia Airlines logo]()
$310
This China Eastern deal was found by Cheapflights users on 8/5. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:20 pm -
2 stops25h 50m
Tue 11/173:45 pm -
3 stops22h 05m
Deal found 8/5![China Eastern logo]()
$323
This AirAsia deal was found by Cheapflights users on 8/10. 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:15 am -
Nonstop6h 30m
Mon 9/1411:30 pm -
Nonstop6h 30m
Deal found 8/10![AirAsia X logo]()
$326
This Jeju Air deal was found by Cheapflights users on 8/10. 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.
Fri 8/217:05 pm -
Nonstop4h 15m
Sun 8/3011:20 pm -
Nonstop4h 10m
Deal found 8/10![Jeju Air logo]()
$211
This Philippine Airlines deal was found by Cheapflights users on 8/5. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 am -
Nonstop4h 10m
Sun 10/252:15 pm -
Nonstop3h 55m
Deal found 8/5![Philippine Airlines logo]()
$224
This T'way Air deal was found by Cheapflights users on 8/10. 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 11/107:50 pm -
Nonstop6h 20m
Tue 11/241:30 am -
Nonstop5h 30m
Deal found 8/10![T'way Air logo]()
$226
This EVA Air deal was found by Cheapflights users on 8/8. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:50 pm -
1 stop23h 20m
Mon 9/73:10 pm -
1 stop25h 00m
Deal found 8/8![EVA Air logo]()
$455
This Jeju Air deal was found by Cheapflights users on 8/8. 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 8/207:05 pm -
Nonstop4h 15m
Fri 8/2111:20 pm -
Nonstop4h 10m
Deal found 8/8![Jeju Air logo]()
$220
This T'way Air deal was found by Cheapflights users on 8/10. 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.
Mon 11/237:50 pm -
Nonstop6h 20m
Wed 11/251:30 am -
Nonstop5h 30m
Deal found 8/10![T'way Air logo]()
$226
This Vietnam Airlines deal was found by Cheapflights users on 8/9. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:55 pm -
1 stop25h 30m
Sat 9/197:25 pm -
1 stop10h 15m
Deal found 8/9![Vietnam Airlines logo]()
$252
This KAYAK deal was found by Cheapflights users on 8/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:05 pm -
Nonstop4h 15m
Sun 9/2011:20 pm -
Nonstop4h 10m
Deal found 8/5![Jeju Air logo]()
$222
This Jin Air deal was found by Cheapflights users on 8/7. 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.
Thu 8/278:40 pm -
Nonstop5h 05m
Mon 8/3112:55 am -
Nonstop5h 05m
Deal found 8/7![Jin Air logo]()
$271
This AIR PREMIA deal was found by Cheapflights users on 8/7. 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 10/195:15 pm -
Nonstop5h 55m
Tue 10/2710:55 pm -
Nonstop5h 40m
Deal found 8/7![AIR PREMIA logo]()
$274
This Jetstar Airways deal was found by Cheapflights users on 8/5. 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 Jetstar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:55 pm -
1 stop12h 55m
Wed 9/232:50 am -
1 stop9h 05m
Deal found 8/5![Multiple Airlines logo]()
$561
This T'way Air deal was found by Cheapflights users on 8/7. 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.
Fri 8/287:00 pm -
Nonstop5h 30m
Wed 9/211:30 pm -
Nonstop5h 15m
Deal found 8/7![T'way Air logo]()
$233
This Vietnam Airlines deal was found by Cheapflights users on 8/8. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:05 pm -
1 stop22h 40m
Sun 9/209:00 pm -
1 stop17h 25m
Deal found 8/8![Vietnam Airlines logo]()
$258
This Korean Air deal was found by Cheapflights users on 8/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:15 pm -
Nonstop5h 50m
Tue 10/202:35 am -
Nonstop5h 40m
Deal found 8/5![Korean Air logo]()
$296
This Jeju Air deal was found by Cheapflights users on 8/5. 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 10/177:05 pm -
Nonstop4h 15m
Mon 10/1911:20 pm -
Nonstop4h 10m
Deal found 8/5![Jeju Air logo]()
$229
This T'way Air deal was found by Cheapflights users on 8/10. 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.
Sun 8/307:00 pm -
Nonstop5h 30m
Thu 9/311:30 pm -
Nonstop5h 15m
Deal found 8/10![T'way Air logo]()
$235
This Vietnam Airlines deal was found by Cheapflights users on 8/6. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:35 am -
1 stop11h 25m
Sat 9/199:00 pm -
1 stop7h 40m
Deal found 8/6![Vietnam Airlines logo]()
$262
This Philippine Airlines deal was found by Cheapflights users on 8/10. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:30 pm -
Nonstop4h 20m
Fri 2/52:15 pm -
Nonstop3h 55m
Deal found 8/10![Philippine Airlines logo]()
$299
Last-minute flights from Seoul to Southeast AsiaDiscover last-minute flight deals from Seoul to Southeast Asia. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Southeast Asia. Data last updated August 10, 2026 and is based on user searches.
This Jeju Air deal was found by Cheapflights users on 8/7. 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 8/197:05 pm -
Nonstop4h 15m
Wed 9/211:20 pm -
Nonstop4h 10m
Deal found 8/7![Jeju Air logo]()
$197
This Jeju Air deal was found by Cheapflights users on 8/7. 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 8/207:05 pm -
Nonstop4h 15m
Mon 8/2411:20 pm -
Nonstop4h 10m
Deal found 8/7![Jeju Air logo]()
$198
This Jeju Air deal was found by Cheapflights users on 8/7. 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 9/27:05 pm -
Nonstop4h 15m
Sat 9/511:20 pm -
Nonstop4h 10m
Deal found 8/7![Jeju Air logo]()
$200
This Jeju Air deal was found by Cheapflights users on 8/8. 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 9/39:25 pm -
Nonstop5h 10m
Thu 9/171:35 am -
Nonstop5h 10m
Deal found 8/8![Jeju Air logo]()
$201
This Eastar Jet deal was found by Cheapflights users on 8/7. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 pm -
Nonstop5h 00m
Sun 9/131:10 am -
Nonstop4h 45m
Deal found 8/7![Eastar Jet logo]()
$196
This Jeju Air deal was found by Cheapflights users on 8/9. 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.
Tue 9/87:05 pm -
Nonstop4h 15m
Tue 9/1511:20 pm -
Nonstop4h 10m
Deal found 8/9![Jeju Air logo]()
$202
This Jeju Air deal was found by Cheapflights users on 8/10. 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 9/139:25 pm -
Nonstop5h 10m
Thu 9/171:35 am -
Nonstop5h 10m
Deal found 8/10![Jeju Air logo]()
$202
This Eastar Jet deal was found by Cheapflights users on 8/10. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:55 pm -
Nonstop5h 00m
Thu 9/171:10 am -
Nonstop4h 45m
Deal found 8/10![Eastar Jet logo]()
$187
This Jeju Air deal was found by Cheapflights users on 8/5. 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 9/209:25 pm -
Nonstop5h 10m
Wed 9/231:35 am -
Nonstop5h 10m
Deal found 8/5![Jeju Air logo]()
$200
This Eastar Jet deal was found by Cheapflights users on 8/7. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 pm -
Nonstop5h 00m
Tue 9/291:10 am -
Nonstop4h 45m
Deal found 8/7![Eastar Jet logo]()
$203
This Jin Air deal was found by Cheapflights users on 8/6. 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.
Sat 9/268:40 pm -
Nonstop5h 05m
Wed 9/3012:55 am -
Nonstop5h 05m
Deal found 8/6![Jin Air logo]()
$194
This Eastar Jet deal was found by Cheapflights users on 8/10. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:55 pm -
Nonstop5h 00m
Fri 10/21:10 am -
Nonstop4h 45m
Deal found 8/10![Eastar Jet logo]()
$199
One-way flights from Seoul to Southeast AsiaSearch for one-way flight options from Seoul to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Seoul to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Eastar Jet deal was found by Cheapflights users on 8/7. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:55 pm -
Nonstop5h 00m
Deal found 8/7![Eastar Jet logo]()
$73
This Eastar Jet deal was found by Cheapflights users on 8/10. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:55 pm -
Nonstop5h 00m
Deal found 8/10![Eastar Jet logo]()
$74
This Jeju Air deal was found by Cheapflights users on 8/7. 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 9/39:25 pm -
Nonstop5h 10m
Deal found 8/7![Jeju Air logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Sun 11/226:35 am -
Nonstop4h 25m
Deal found 8/7![Cebu Pacific logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Thu 9/242:15 am -
Nonstop4h 25m
Deal found 8/7![Cebu Pacific logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 10/266:35 am -
Nonstop4h 25m
Deal found 8/10![Cebu Pacific logo]()
$91
This Jeju Air deal was found by Cheapflights users on 8/6. 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 10/77:05 pm -
Nonstop4h 15m
Deal found 8/6![Jeju Air logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 10/236:25 am -
Nonstop4h 30m
Deal found 8/7![VietJet Air logo]()
$94
This CheapOair deal was found by Cheapflights users on 8/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:25 am -
Nonstop4h 30m
Deal found 8/10![VietJet Air logo]()
$95
This Jin Air deal was found by Cheapflights users on 8/6. 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.
Thu 8/278:40 pm -
Nonstop5h 05m
Deal found 8/6![Jin Air logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Fri 11/136:35 am -
Nonstop4h 25m
Deal found 8/6![Cebu Pacific logo]()
$95
This Super.com deal was found by Cheapflights users on 8/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:25 am -
Nonstop5h 05m
Deal found 8/10![VietJet Air logo]()
$97
Find flight deals from Seoul to Southeast Asia
Keep the following information in mind while searching for Seoul to Southeast Asia flight deals. Data was last updated August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $194 (Jin Air) |
One-way from | $73 (Eastar Jet) |
Popular in | October |
Cheapest in | September |
Average price | $242 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul to Southeast Asia 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 August 10, 2026.
Use the filters below to find and compare flights from Seoul to Southeast Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Fri 8/21
7:05 pm-10:20 pm
Nonstop4h 15m
Manila Ninoy Aquino Intl
Sun 8/23
11:20 pm-4:30 am
Nonstop4h 10m
$199
IncheonNha Trang
ICN Incheon Intl - CXR Nha Trang Cam Ranh
ICNCXR
Incheon Intl
Mon 9/14
7:00 pm-10:30 pm
Nonstop5h 30m
Nha Trang Cam Ranh
Wed 9/16
11:30 pm-6:45 am
Nonstop5h 15m
$208
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Fri 8/21
7:05 pm-10:20 pm
Nonstop4h 15m
Manila Ninoy Aquino Intl
Sun 8/30
11:20 pm-4:30 am
Nonstop4h 10m
$211
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Sat 9/12
7:20 am-10:30 am
Nonstop4h 10m
Manila Ninoy Aquino Intl
Sat 9/19
2:10 pm-7:15 pm
Nonstop4h 05m
$219
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Thu 8/20
7:05 pm-10:20 pm
Nonstop4h 15m
Manila Ninoy Aquino Intl
Fri 8/21
11:20 pm-4:30 am
Nonstop4h 10m
$220
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Fri 9/11
7:05 pm-10:20 pm
Nonstop4h 15m
Manila Ninoy Aquino Intl
Sun 9/20
11:20 pm-4:30 am
Nonstop4h 10m
$222
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Sun 10/11
7:20 am-10:30 am
Nonstop4h 10m
Manila Ninoy Aquino Intl
Sun 10/25
2:15 pm-7:10 pm
Nonstop3h 55m
$224
IncheonBangkok
ICN Incheon Intl - BKK Bangkok Suvarnabhumi
ICNBKK
Incheon Intl
Tue 11/10
7:50 pm-12:10 am
Nonstop6h 20m
Bangkok Suvarnabhumi
Tue 11/24
1:30 am-9:00 am
Nonstop5h 30m
$226
IncheonBangkok
ICN Incheon Intl - BKK Bangkok Suvarnabhumi
ICNBKK
Incheon Intl
Mon 11/23
7:50 pm-12:10 am
Nonstop6h 20m
Bangkok Suvarnabhumi
Wed 11/25
1:30 am-9:00 am
Nonstop5h 30m
$226
IncheonManila
ICN Incheon Intl - MNL Manila Ninoy Aquino Intl
ICNMNL
Incheon Intl
Sat 10/17
7:05 pm-10:20 pm
Nonstop4h 15m
Manila Ninoy Aquino Intl
Mon 10/19
11:20 pm-4:30 am
Nonstop4h 10m
$229
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seoul to Southeast Asia
Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Seoul with our price prediction graph.
ICN-CXR
ICN-MNL
ICN-KUL
ICN-BKK
ICN-HAN
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 Southeast Asia
SEL-zzYJX
ICN-CXR
ICN-MNL
ICN-KUL
ICN-BKK
What is the cheapest month to book a flight from Seoul to Southeast Asia?
Currently, September is the cheapest month in which you can book a flight from Seoul to Southeast Asia (average of $223). Flying from Seoul to Southeast Asia in July is currently the most expensive (average of $318). 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 YJX?
Find hourly flight availability from Seoul to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 10, 2026.
It’s optimal to fly from Seoul to Southeast Asia in the morning. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Seoul to Southeast Asia
Explore weekly flight availability from Seoul to Southeast Asia. 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 August 10, 2026.
The most flights from SEL to zzYJX are scheduled on a Sunday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).
How far ahead should I book a flight from Seoul to Southeast Asia?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Southeast Asia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Seoul to Southeast Asia?
Use this chart to determine the cheapest time to fly round-trip from Seoul to Southeast Asia. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Seoul to Southeast Asia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Southeast Asia
Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated August 10, 2026.
Get a feel of what it's like to fly with Korean Air,Asiana Airlines, andJeju Air from Seoul to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Food
8.1
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Seoul to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Seoul to Southeast Asia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Southeast Asia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seoul to Southeast Asia by cabin class
Find flights from Seoul to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seoul and Southeast Asia flights
Browse other Seoul and Southeast Asia flight options. Last updated on August 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seoul to Southeast Asia flights
Consider these flights traveling from Seoul to Southeast Asia.
Top 10 airlines flying from Seoul to Southeast Asia
Discover the top 10 airlines that operate flights from Seoul to Southeast Asia. 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$214 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$74 | Average$282 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$79 | Average$289 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$312 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$316 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$100 | Average$222 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$109 | Average$259 | FlexibilityNo cancel fee | On-time94% | |
| Cheapest$124 | Average$374 | FlexibilityNo cancel fee | On-time87% | |
| Cheapest$124 | Average$272 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$398 | FlexibilityNo cancel fee | On-timeN/A |