$128+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BKK
Jul 27 — Aug 31
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
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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 June 27, 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 June 27, 2026.
This Booking.com deal was found by Cheapflights users on 6/23. 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 7/510:45 pm
ICN
- MNL
1 stop27h 45m
Multiple Airlines
Wed 7/811:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/207:05 pm
ICN
- MNL
Nonstop4h 15m
Multiple Airlines
Sun 9/137:35 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$245
This CheapOair deal was found by Cheapflights users on 6/25. 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 7/239:35 pm
ICN
- CRK
Nonstop4h 05m
Jeju Air
Mon 7/271:40 am
CRK
- ICN
Nonstop3h 50m
Jeju Air
Deal found 6/25![Jeju Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/27:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Tue 8/1111:20 pm
MNL
- ICN
Nonstop4h 10m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/236:35 am
ICN
- MNL
Nonstop4h 20m
Cebu Pacific
Tue 9/157:35 pm
MNL
- ICN
Nonstop4h 10m
Cebu Pacific
Deal found 6/23![Cebu Pacific logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 8/166:35 am
ICN
- MNL
Nonstop4h 10m
Multiple Airlines
Wed 8/1911:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$248
This Trip.com deal was found by Cheapflights users on 6/24. 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 7/112:05 pm
ICN
- MNL
1 stop11h 45m
Multiple Airlines
Mon 7/1311:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$249
This Booking.com deal was found by Cheapflights users on 6/24. 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.
Sat 7/117:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Mon 7/1311:20 pm
MNL
- ICN
Nonstop4h 10m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$250
This Booking.com deal was found by Cheapflights users on 6/26. 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.
Fri 8/78:05 pm
ICN
- BKK
Nonstop6h 05m
Multiple Airlines
Mon 8/1011:55 am
BKK
- ICN
1 stop15h 55m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$250
This CheapOair deal was found by Cheapflights users on 6/24. 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.
Wed 7/19:25 pm
ICN
- CRK
Nonstop4h 00m
Jin Air
Sat 7/41:35 am
CRK
- ICN
Nonstop3h 55m
Jin Air
Deal found 6/24![Jin Air logo]()
$251
This CheapOair deal was found by Cheapflights users on 6/24. 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.
Fri 7/177:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Sun 7/2611:20 pm
MNL
- ICN
Nonstop4h 10m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$251
This Booking.com deal was found by Cheapflights users on 6/24. 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.
Fri 7/31:05 pm
ICN
- MNL
1 stop12h 15m
Multiple Airlines
Mon 7/611:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$253
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 June 27, 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 June 27, 2026.
This T'way Air deal was found by Cheapflights users on 6/22. 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.
Thu 8/276:00 pm
ICN
- BKK
Nonstop6h 05m
T'way Air
Sun 8/3012:05 am
BKK
- ICN
Nonstop5h 35m
T'way Air
Deal found 6/22![T'way Air logo]()
$270
This Shandong Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/1111:40 pm
ICN
- SGN
1 stop26h 50m
Shandong Airlines
Sat 8/152:05 am
SGN
- ICN
1 stop17h 50m
Shandong Airlines
Deal found 6/22![Shandong Airlines logo]()
$277
This Jeju Air deal was found by Cheapflights users on 6/24. 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 7/239:35 pm
ICN
- CRK
Nonstop4h 05m
Jeju Air
Mon 7/271:40 am
CRK
- ICN
Nonstop3h 50m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$283
This Asiana Airlines deal was found by Cheapflights users on 6/26. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:15 pm
ICN
- MNL
Nonstop4h 20m
Asiana Airlines
Thu 8/2712:05 pm
MNL
- ICN
Nonstop3h 50m
Asiana Airlines
Deal found 6/26![Asiana Airlines logo]()
$301
This Korean Air deal was found by Cheapflights users on 6/25. 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.
Sun 8/1610:35 pm
ICN
- MNL
Nonstop4h 20m
Korean Air
Wed 8/1911:30 pm
MNL
- ICN
Nonstop4h 05m
Korean Air
Deal found 6/25![Korean Air logo]()
$320
This Jin Air deal was found by Cheapflights users on 6/24. 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 7/239:25 pm
ICN
- CRK
Nonstop4h 00m
Jin Air
Fri 7/241:35 am
CRK
- ICN
Nonstop3h 55m
Jin Air
Deal found 6/24![Jin Air logo]()
$323
This Vietnam Airlines deal was found by Cheapflights users on 6/26. 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 8/2111:05 am
ICN
- SGN
1 stop7h 50m
Vietnam Airlines
Wed 8/267:35 pm
SGN
- ICN
1 stop8h 25m
Vietnam Airlines
Deal found 6/26![Vietnam Airlines logo]()
$328
This China Eastern deal was found by Cheapflights users on 6/26. 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 10/1911:55 am
ICN
- SGN
2 stops15h 40m
China Eastern
Thu 10/294:55 pm
SGN
- ICN
1 stop27h 50m
China Eastern
Deal found 6/26![China Eastern logo]()
$337
This AIR PREMIA deal was found by Cheapflights users on 6/22. 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.
Fri 9/45:15 pm
ICN
- BKK
Nonstop5h 55m
AIR PREMIA
Fri 9/1110:45 pm
BKK
- ICN
Nonstop5h 30m
AIR PREMIA
Deal found 6/22![AIR PREMIA logo]()
$350
This CheapOair deal was found by Cheapflights users on 6/27. 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.
Tue 8/42:35 am
ICN
- CRK
1 stop8h 00m
HK Express
Sun 8/910:20 am
CRK
- ICN
1 stop18h 10m
HK Express
Deal found 6/27![HK Express logo]()
$363
This CheapOair deal was found by Cheapflights users on 6/26. 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.
Fri 8/148:20 pm
ICN
- CRK
Nonstop4h 00m
Multiple Airlines
Wed 8/1910:20 am
CRK
- ICN
1 stop14h 20m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$389
This Cathay Pacific deal was found by Cheapflights users on 6/24. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:10 pm
ICN
- CRK
1 stop19h 25m
Cathay Pacific
Sat 7/2510:45 am
CRK
- ICN
1 stop7h 20m
Cathay Pacific
Deal found 6/24![Cathay Pacific logo]()
$430
This Malaysia Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 8/1212:10 am
ICN
- DPS
1 stop19h 20m
Malaysia Airlines
Tue 8/181:05 pm
DPS
- ICN
1 stop31h 10m
Malaysia Airlines
Deal found 6/23![Malaysia Airlines logo]()
$539
This EVA Air deal was found by Cheapflights users on 6/23. 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.
Sat 8/81:50 pm
GMP
- MNL
1 stop10h 00m
EVA Air
Wed 8/125:45 am
MNL
- GMP
1 stop12h 30m
EVA Air
Deal found 6/23![EVA Air logo]()
$589
This Jeju Air deal was found by Cheapflights users on 6/23. 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 8/198:05 pm
ICN
- BKK
Nonstop6h 05m
Jeju Air
Sun 8/231:10 am
BKK
- ICN
Nonstop5h 45m
Jeju Air
Deal found 6/23![Jeju Air logo]()
$306
This Asiana Airlines deal was found by Cheapflights users on 6/24. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:00 pm
ICN
- CRK
Nonstop3h 50m
Asiana Airlines
Sat 8/292:00 am
CRK
- ICN
Nonstop4h 05m
Asiana Airlines
Deal found 6/24![Asiana Airlines logo]()
$319
This China Eastern deal was found by Cheapflights users on 6/24. 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.
Tue 7/74:35 pm
ICN
- MNL
2 stops33h 45m
China Eastern
Thu 7/92:25 am
MNL
- ICN
2 stops17h 40m
China Eastern
Deal found 6/24![China Eastern logo]()
$338
This Jin Air deal was found by Cheapflights users on 6/26. 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 7/159:55 pm
ICN
- CRK
Nonstop4h 00m
Jin Air
Sat 7/181:35 am
CRK
- ICN
Nonstop3h 55m
Jin Air
Deal found 6/26![Jin Air logo]()
$353
This Jeju Air deal was found by Cheapflights users on 6/26. 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 7/177:55 pm
GMP
- BKK
1 stop29h 55m
Jeju Air
Wed 7/2212:50 am
BKK
- GMP
1 stop29h 25m
Jeju Air
Deal found 6/26![Jeju Air logo]()
$326
This China Eastern deal was found by Cheapflights users on 6/26. 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.
Thu 7/97:45 am
ICN
- VTE
1 stop26h 45m
China Eastern
Mon 7/139:45 am
VTE
- ICN
1 stop11h 00m
China Eastern
Deal found 6/26![China Eastern logo]()
$341
This Vietnam Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 8/1212:30 am
ICN
- SGN
1 stop8h 50m
Vietnam Airlines
Mon 8/1711:45 pm
SGN
- ICN
Nonstop4h 55m
Vietnam Airlines
Deal found 6/23![Vietnam Airlines logo]()
$381
This Jeju Air deal was found by Cheapflights users on 6/23. 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 7/217:55 pm
GMP
- BKK
1 stop29h 55m
Jeju Air
Mon 7/2712:50 am
BKK
- GMP
1 stop29h 25m
Jeju Air
Deal found 6/23![Jeju Air logo]()
$330
This China Eastern deal was found by Cheapflights users on 6/23. 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.
Tue 8/42:15 pm
ICN
- MNL
2 stops19h 00m
China Eastern
Fri 8/289:45 am
MNL
- ICN
2 stops34h 20m
China Eastern
Deal found 6/23![China Eastern logo]()
$346
This Jin Air deal was found by Cheapflights users on 6/23. 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 7/87:55 pm
ICN
- BKK
Nonstop5h 50m
Jin Air
Mon 7/1312:45 am
BKK
- ICN
Nonstop5h 40m
Jin Air
Deal found 6/23![Jin Air logo]()
$393
This Jeju Air deal was found by Cheapflights users on 6/23. 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 9/49:35 pm
ICN
- CRK
Nonstop4h 05m
Jeju Air
Sun 9/61:40 am
CRK
- ICN
Nonstop3h 50m
Jeju Air
Deal found 6/23![Jeju Air logo]()
$332
This Cathay Pacific deal was found by Cheapflights users on 6/26. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:55 am
ICN
- SGN
1 stop10h 10m
Cathay Pacific
Sat 8/16:20 pm
SGN
- ICN
1 stop9h 10m
Cathay Pacific
Deal found 6/26![Cathay Pacific logo]()
$448
This China Eastern deal was found by Cheapflights users on 6/26. 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.
Sun 7/267:40 pm
ICN
- MNL
2 stops30h 40m
China Eastern
Sat 8/12:25 am
MNL
- ICN
2 stops17h 40m
China Eastern
Deal found 6/26![China Eastern logo]()
$346
This Jeju Air deal was found by Cheapflights users on 6/27. 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 7/197:55 pm
GMP
- BKK
1 stop29h 55m
Jeju Air
Wed 7/2212:50 am
BKK
- GMP
1 stop29h 25m
Jeju Air
Deal found 6/27![Jeju Air logo]()
$334
This China Eastern deal was found by Cheapflights users on 6/26. 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.
Fri 9/112:15 pm
ICN
- VTE
2 stops21h 15m
China Eastern
Wed 9/163:50 pm
VTE
- ICN
2 stops17h 05m
China Eastern
Deal found 6/26![China Eastern logo]()
$355
This Jeju Air deal was found by Cheapflights users on 6/24. 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 7/257:55 pm
GMP
- BKK
1 stop29h 55m
Jeju Air
Wed 7/2912:50 am
BKK
- GMP
1 stop29h 25m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$335
Last-minute flights from Seoul to Southeast AsiaDiscover last-minute flight deals from Seoul to Southeast Asia. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Southeast Asia. Data last updated June 27, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/24. 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.
Wed 7/19:25 pm
ICN
- CRK
Nonstop4h 00m
Jin Air
Sat 7/41:35 am
CRK
- ICN
Nonstop3h 55m
Jin Air
Deal found 6/24![Jin Air logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Wed 7/17:55 pm
ICN
- BKK
Nonstop5h 50m
Multiple Airlines
Sat 7/47:05 pm
BKK
- ICN
1 stop8h 45m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$255
This Booking.com deal was found by Cheapflights users on 6/24. 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.
Fri 7/31:05 pm
ICN
- MNL
1 stop12h 15m
Multiple Airlines
Mon 7/611:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$253
This Booking.com deal was found by Cheapflights users on 6/23. 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 7/510:45 pm
ICN
- MNL
1 stop27h 45m
Multiple Airlines
Wed 7/811:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$244
This Trip.com deal was found by Cheapflights users on 6/24. 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 7/112:05 pm
ICN
- MNL
1 stop11h 45m
Multiple Airlines
Mon 7/1311:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$249
This Booking.com deal was found by Cheapflights users on 6/24. 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.
Sat 7/117:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Mon 7/1311:20 pm
MNL
- ICN
Nonstop4h 10m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$250
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Fri 7/172:05 pm
ICN
- MNL
1 stop11h 45m
Multiple Airlines
Sun 7/2611:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$248
This CheapOair deal was found by Cheapflights users on 6/24. 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.
Fri 7/177:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Sun 7/2611:20 pm
MNL
- ICN
Nonstop4h 10m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$251
This CheapOair deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:35 am
ICN
- MNL
Nonstop4h 20m
Multiple Airlines
Tue 7/2111:20 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/207:05 pm
ICN
- MNL
Nonstop4h 15m
Multiple Airlines
Sun 9/137:35 pm
MNL
- ICN
Nonstop4h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$245
This CheapOair deal was found by Cheapflights users on 6/25. 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 7/239:35 pm
ICN
- CRK
Nonstop4h 05m
Jeju Air
Mon 7/271:40 am
CRK
- ICN
Nonstop3h 50m
Jeju Air
Deal found 6/25![Jeju Air logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/236:35 am
ICN
- MNL
Nonstop4h 20m
Cebu Pacific
Tue 9/157:35 pm
MNL
- ICN
Nonstop4h 10m
Cebu Pacific
Deal found 6/23![Cebu Pacific logo]()
$247
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 June 27, 2026.
Search for one-way flight options from Seoul to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Booking.com deal was found by Cheapflights users on 6/24. 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 7/127:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Deal found 6/24![Jeju Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/185:50 pm
ICN
- MNL
1 stop31h 30m
Air China
Deal found 6/23![Air China logo]()
$129
This Jeju Air deal was found by Cheapflights users on 6/25. 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 7/117:05 pm
ICN
- MNL
Nonstop4h 15m
Jeju Air
Deal found 6/25![Jeju Air logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 9/206:35 am
ICN
- MNL
Nonstop4h 20m
Cebu Pacific
Deal found 6/24![Cebu Pacific logo]()
$132
This oojo deal was found by Cheapflights users on 6/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:50 pm
ICN
- MNL
1 stop31h 30m
Air China
Deal found 6/24![Air China logo]()
$133
This oojo deal was found by Cheapflights users on 6/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:05 pm
ICN
- MNL
Nonstop4h 15m
Hahn Air Systems
Deal found 6/23![Hahn Air Systems logo]()
$134
This Booking.com deal was found by Cheapflights users on 6/22. 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.
Tue 8/258:15 am
ICN
- DPS
1 stop12h 00m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/47:55 pm
ICN
- BKK
Nonstop5h 50m
Jin Air
Deal found 6/25![Jin Air logo]()
$135
This oojo deal was found by Cheapflights users on 6/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:25 pm
GMP
- MNL
1 stop10h 55m
Air China
Deal found 6/25![Air China logo]()
$136
This CheapOair deal was found by Cheapflights users on 6/26. 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 7/212:10 pm
ICN
- BKK
Nonstop5h 50m
Thai Vietjet Air
Deal found 6/26![Thai Vietjet Air logo]()
$136
This Jeju Air deal was found by Cheapflights users on 6/27. 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 7/278:20 pm
ICN
- CRK
Nonstop4h 00m
Jeju Air
Deal found 6/27![Jeju Air logo]()
$137
This Booking.com deal was found by Cheapflights users on 6/25. 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.
Sat 8/157:05 pm
ICN
- MNL
Nonstop4h 15m
Hahn Air Systems
Deal found 6/25![Hahn Air Systems logo]()
$137
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 June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (CheapOair) |
One-way from | $125 (CheapOair) |
Popular in | October |
Cheapest in | September |
Average price | $307 |
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 June 27, 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
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Thu 8/27
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Sun 8/30
12:05 am-7:40 am
Nonstop5h 35m
$270
IncheonHo Chi Minh City
ICN - SGN
ICNSGN
Incheon Intl
Tue 8/11
11:40 pm-12:30 am
1 stop26h 50m
Ho Chi Minh City
Sat 8/15
2:05 am-9:55 pm
1 stop17h 50m
$277
Quickest round-trip
IncheonAngeles City
ICN - CRK
ICNCRK
Incheon Intl
Thu 7/23
9:35 pm-12:40 am
Nonstop4h 05m
Angeles City Clark Intl
Mon 7/27
1:40 am-6:30 am
Nonstop3h 50m
$283
IncheonManila
ICN - MNL
ICNMNL
Incheon Intl
Sun 8/23
7:15 pm-10:35 pm
Nonstop4h 20m
Manila Ninoy Aquino Intl
Thu 8/27
12:05 pm-4:55 pm
Nonstop3h 50m
$301
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Wed 8/19
8:05 pm-12:10 am
Nonstop6h 05m
Bangkok Suvarnabhumi
Sun 8/23
1:10 am-8:55 am
Nonstop5h 45m
$306
IncheonAngeles City
ICN - CRK
ICNCRK
Incheon Intl
Wed 8/26
10:00 pm-12:50 am
Nonstop3h 50m
Angeles City Clark Intl
Sat 8/29
2:00 am-7:05 am
Nonstop4h 05m
$319
IncheonManila
ICN - MNL
ICNMNL
Incheon Intl
Sun 8/16
10:35 pm-1:55 am
Nonstop4h 20m
Manila Ninoy Aquino Intl
Wed 8/19
11:30 pm-4:35 am
Nonstop4h 05m
$320
IncheonAngeles City
ICN - CRK
ICNCRK
Incheon Intl
Thu 7/23
9:25 pm-12:25 am
Nonstop4h 00m
Angeles City Clark Intl
Fri 7/24
1:35 am-6:30 am
Nonstop3h 55m
$323
SeoulBangkok
GMP - BKK
GMPBKK
Seoul Gimpo Intl
Fri 7/17
7:55 pm-11:50 pm
1 stop29h 55m
Bangkok Suvarnabhumi
Wed 7/22
12:50 am-8:15 am
1 stop29h 25m
$326
IncheonHo Chi Minh City
ICN - SGN
ICNSGN
Incheon Intl
Fri 8/21
11:05 am-4:55 pm
1 stop7h 50m
Ho Chi Minh City
Wed 8/26
7:35 pm-6:00 am
1 stop8h 25m
$328
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-MNL
ICN-CRK
ICN-BKK
ICN-SGN
ICN-DPS
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-MNL
ICN-CRK
ICN-BKK
ICN-SGN
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 $206). Flying from Seoul to Southeast Asia in February is currently the most expensive (average of $315). 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 June 27, 2026.
It’s optimal to fly from Seoul to Southeast Asia in the afternoon. By choosing this option you can save up to 21% 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 June 27, 2026.
The most flights from SEL to zzYJX are scheduled on a Saturday (31 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (21 on average).
How far ahead should I book a flight from Seoul to Southeast Asia?
Booking 74 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 June 20, 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 June 27, 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.
Crew
8.7
Food
8.1
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Food
8.1
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Food
8.1
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Food
8.1
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Food
8.1
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Food
8.1
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
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 June 27, 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$257 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$73 | Average$211 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$79 | Average$265 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$96 | Average$213 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$96 | Average$307 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$312 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$109 | Average$257 | FlexibilityNo cancel fee | On-time94% | |
| Cheapest$116 | Average$264 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$374 | FlexibilityNo cancel fee | On-time87% | |
| Cheapest$128 | Average$337 | FlexibilityNo cancel fee | On-timeN/A |