$78+ Cheap flights from Seoul (SEL) to Hanoi (HAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — HAN
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seoul to Hanoi with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seoul to Hanoi Noibai are usually found in September or May, booked 70 days in advance, depart on a Monday or Sunday and return on a Friday
Cheap flight deals from Seoul to Hanoi
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seoul to HanoiExplore the most affordable flight options available from Seoul to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Seoul to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:15 am -
Nonstop4h 55m
Mon 10/121:40 am -
Nonstop4h 15m
Deal found 9/8![Multiple Airlines logo]()
$155
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:15 am -
Nonstop4h 55m
Wed 10/71:40 am -
Nonstop4h 15m
Deal found 9/8![Multiple Airlines logo]()
$158
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:15 am -
Nonstop4h 55m
Thu 10/11:40 am -
Nonstop4h 15m
Deal found 9/5![Multiple Airlines logo]()
$159
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:40 pm -
Nonstop5h 05m
Wed 9/2312:45 am -
Nonstop4h 50m
Deal found 9/7![Jeju Air logo]()
$166
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 pm -
Nonstop5h 05m
Mon 9/2112:45 am -
Nonstop4h 50m
Deal found 9/7![Jeju Air logo]()
$167
This Jeju Air deal was found by Cheapflights users on 9/9. 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.
Mon 9/148:40 pm -
Nonstop5h 05m
Tue 9/2212:45 am -
Nonstop4h 50m
Deal found 9/9![Jeju Air logo]()
$173
This Jeju Air deal was found by Cheapflights users on 9/8. 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.
Mon 9/148:40 pm -
Nonstop5h 05m
Thu 9/1712:45 am -
Nonstop4h 50m
Deal found 9/8![Jeju Air logo]()
$175
This Jeju Air deal was found by Cheapflights users on 9/7. 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.
Mon 9/148:40 pm -
Nonstop5h 05m
Tue 9/1512:45 am -
Nonstop4h 50m
Deal found 9/7![Jeju Air logo]()
$177
This Jeju Air deal was found by Cheapflights users on 9/8. 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.
Wed 9/168:40 pm -
Nonstop5h 05m
Sun 9/2012:45 am -
Nonstop4h 50m
Deal found 9/8![Jeju Air logo]()
$178
This Jeju Air deal was found by Cheapflights users on 9/10. 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 9/138:40 pm -
Nonstop5h 05m
Wed 9/1612:45 am -
Nonstop4h 50m
Deal found 9/10![Jeju Air logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:45 am -
1 stop12h 50m
Sat 9/197:00 am -
1 stop7h 55m
Deal found 9/8![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 12/229:45 am -
1 stop9h 35m
Sat 1/27:30 am -
1 stop8h 45m
Deal found 9/10![Multiple Airlines logo]()
$378
Best flights from Seoul to HanoiDiscover carefully curated flight deals from Seoul to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Seoul to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Jeju Air deal was found by Cheapflights users on 9/6. 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 9/288:40 pm -
Nonstop5h 05m
Mon 10/512:45 am -
Nonstop4h 50m
Deal found 9/6![Jeju Air logo]()
$200
This Vietnam Airlines deal was found by Cheapflights users on 9/5. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:30 am -
1 stop9h 00m
Thu 10/111:45 am -
1 stop8h 50m
Deal found 9/5![Vietnam Airlines logo]()
$296
This Shandong Airlines deal was found by Cheapflights users on 9/6. 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 Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/203:25 pm -
1 stop12h 25m
Thu 1/212:20 am -
1 stop16h 45m
Deal found 9/6![Shandong Airlines logo]()
$302
This VietJet Air deal was found by Cheapflights users on 9/9. 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 VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:25 am -
Nonstop5h 05m
Fri 3/267:30 am -
1 stop13h 10m
Deal found 9/9![VietJet Air logo]()
$382
This CheapOair deal was found by Cheapflights users on 9/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:25 pm -
1 stop14h 50m
Mon 12/284:30 am -
1 stop6h 35m
Deal found 9/5![Air China logo]()
$541
This Vietnam Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/1212:30 am -
1 stop9h 00m
Tue 10/2011:45 am -
1 stop8h 50m
Deal found 9/8![Vietnam Airlines logo]()
$302
This Sichuan Airlines deal was found by Cheapflights users on 9/8. 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 Sichuan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:55 am -
2 stops17h 05m
Sun 1/39:00 am -
2 stops23h 45m
Deal found 9/8![Multiple Airlines logo]()
$672
This Philippine Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 10/47:20 am -
2 stops13h 30m
Thu 10/81:45 am -
1 stop26h 15m
Deal found 9/9![Philippine Airlines logo]()
$701
This Korean Air deal was found by Cheapflights users on 9/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:00 pm -
1 stop25h 15m
Tue 9/221:15 am -
1 stop15h 30m
Deal found 9/7![Korean Air logo]()
$760
This VietJet Air deal was found by Cheapflights users on 9/10. 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 VietJet Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/276:25 am -
Nonstop5h 05m
Thu 3/257:30 am -
1 stop13h 10m
Deal found 9/10![VietJet Air logo]()
$389
This Hahn Air Systems deal was found by Cheapflights users on 9/9. 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 Hahn Air Systems is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:25 am -
Nonstop5h 05m
Fri 3/267:30 am -
1 stop13h 10m
Deal found 9/9![VietJet Air logo]()
$413
This Hahn Air Systems deal was found by Cheapflights users on 9/6. 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 Hahn Air Systems is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1910:50 am -
1 stop10h 40m
Tue 1/261:45 am -
Nonstop4h 10m
Deal found 9/6![VietJet Air logo]()
$463
This Korean Air deal was found by Cheapflights users on 9/5. 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.
Sun 9/207:00 am -
1 stop8h 15m
Thu 9/241:15 am -
1 stop17h 50m
Deal found 9/5![Korean Air logo]()
$764
This Korean Air deal was found by Cheapflights users on 9/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:00 pm -
1 stop25h 15m
Wed 9/231:15 am -
1 stop13h 40m
Deal found 9/6![Korean Air logo]()
$767
This Air China deal was found by Cheapflights users on 9/5. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:25 pm -
1 stop23h 30m
Sun 9/271:25 pm -
1 stop21h 40m
Deal found 9/5![Air China logo]()
$929
This Korean Air deal was found by Cheapflights users on 9/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
1 stop8h 15m
Thu 11/2612:25 am -
1 stop7h 25m
Deal found 9/8![Korean Air logo]()
$1,017
This Korean Air deal was found by Cheapflights users on 9/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:05 pm -
1 stop25h 10m
Sun 11/2912:25 am -
1 stop10h 55m
Deal found 9/6![Korean Air logo]()
$1,018
This Korean Air deal was found by Cheapflights users on 9/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
1 stop8h 15m
Fri 11/2012:25 am -
1 stop10h 55m
Deal found 9/7![Korean Air logo]()
$1,027
This Korean Air deal was found by Cheapflights users on 9/9. 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.
Sun 11/111:30 am -
1 stop27h 45m
Wed 11/412:25 am -
1 stop15h 30m
Deal found 9/9![Korean Air logo]()
$1,027
Last-minute flights from Seoul to HanoiDiscover last-minute flight deals from Seoul to Hanoi. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Hanoi. Data last updated September 10, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:40 pm -
Nonstop5h 05m
Wed 9/2312:45 am -
Nonstop4h 50m
Deal found 9/7![Jeju Air logo]()
$166
This Jeju Air deal was found by Cheapflights users on 9/10. 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 9/138:40 pm -
Nonstop5h 05m
Wed 9/1612:45 am -
Nonstop4h 50m
Deal found 9/10![Jeju Air logo]()
$179
This Jeju Air deal was found by Cheapflights users on 9/9. 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.
Mon 9/148:40 pm -
Nonstop5h 05m
Tue 9/2212:45 am -
Nonstop4h 50m
Deal found 9/9![Jeju Air logo]()
$173
This Jeju Air deal was found by Cheapflights users on 9/8. 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.
Mon 9/148:40 pm -
Nonstop5h 05m
Thu 9/1712:45 am -
Nonstop4h 50m
Deal found 9/8![Jeju Air logo]()
$175
This Jeju Air deal was found by Cheapflights users on 9/7. 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.
Mon 9/148:40 pm -
Nonstop5h 05m
Sat 9/1912:45 am -
Nonstop4h 50m
Deal found 9/7![Jeju Air logo]()
$177
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 pm -
Nonstop5h 05m
Mon 9/2112:45 am -
Nonstop4h 50m
Deal found 9/7![Jeju Air logo]()
$167
This Jeju Air deal was found by Cheapflights users on 9/8. 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.
Wed 9/168:40 pm -
Nonstop5h 05m
Sun 9/2012:45 am -
Nonstop4h 50m
Deal found 9/8![Jeju Air logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:45 am -
1 stop12h 50m
Sat 9/197:00 am -
1 stop7h 55m
Deal found 9/8![Multiple Airlines logo]()
$369
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:15 am -
Nonstop4h 55m
Thu 10/11:40 am -
Nonstop4h 15m
Deal found 9/5![Multiple Airlines logo]()
$159
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:15 am -
Nonstop4h 55m
Wed 10/71:40 am -
Nonstop4h 15m
Deal found 9/8![Multiple Airlines logo]()
$158
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:15 am -
Nonstop4h 55m
Mon 10/121:40 am -
Nonstop4h 15m
Deal found 9/8![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/57:20 am -
1 stop7h 55m
Wed 10/71:15 am -
1 stop6h 40m
Deal found 9/6![Multiple Airlines logo]()
$513
One-way flights from Seoul to HanoiSearch for one-way flight options from Seoul to Hanoi. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Seoul to Hanoi. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 pm -
Nonstop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Jeju Air logo]()
$78
This Jeju Air deal was found by Cheapflights users on 9/9. 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.
Mon 9/288:40 pm -
Nonstop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Jeju Air logo]()
$82
This Jeju Air deal was found by Cheapflights users on 9/7. 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.
Tue 9/298:40 pm -
Nonstop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Jeju Air logo]()
$83
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:05 am -
Nonstop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![VietJet Air logo]()
$84
This Jeju Air deal was found by Cheapflights users on 9/6. 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 9/218:40 pm -
Nonstop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Jeju Air logo]()
$85
This Jetabroad deal was found by Cheapflights users on 9/10. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:05 am -
Nonstop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![VietJet Air logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:20 pm -
Nonstop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Jeju Air logo]()
$87
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:25 am -
Nonstop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![VietJet Air logo]()
$89
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:25 am -
Nonstop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![VietJet Air logo]()
$90
This OneTravel deal was found by Cheapflights users on 9/7. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:25 am -
Nonstop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![VietJet Air logo]()
$91
This CheapOair deal was found by Cheapflights users on 9/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:25 am -
Nonstop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![VietJet Air logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 9/166:25 am -
2 stops30h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$133
Find flight deals from Seoul to Hanoi
Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $155 (Booking.com) |
One-way from | $78 (Booking.com) |
Popular in | February |
Cheapest in | September |
Average price | $226 |
Good round-trip deal | $200 or less |
Good one-way deal | $101 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul to Hanoi 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Seoul to Hanoi that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Mon 9/28
8:40 pm-11:45 pm
Nonstop5h 05m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$82
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Fri 11/27
9:20 pm-12:40 am
Nonstop5h 20m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Thu 11/12
9:20 pm-12:40 am
Nonstop5h 20m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$98
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Fri 10/30
6:25 am-9:30 am
Nonstop5h 05m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
SeoulHanoi
GMP Seoul Gimpo Intl - HAN Hanoi Noibai
GMPHAN
Seoul Gimpo Intl
Wed 9/16
6:25 am-10:40 am
2 stops30h 15m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$133
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Fri 9/18
8:40 pm-11:45 pm
Nonstop5h 05m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$133
SeoulHanoi
GMP Seoul Gimpo Intl - HAN Hanoi Noibai
GMPHAN
Seoul Gimpo Intl
Thu 9/17
6:50 pm-10:40 am
1 stop17h 50m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
Quickest round-trip
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Sat 10/10
6:25 am-8:55 am
Nonstop4h 30m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Sat 12/5
11:45 am-1:20 am
1 stop15h 35m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
IncheonHanoi
ICN Incheon Intl - HAN Hanoi Noibai
ICNHAN
Incheon Intl
Sat 10/31
11:45 am-1:20 am
1 stop15h 35m
Hanoi Noibai
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
Showing 1-10 of 38 resultsSorted by cheapest first
Compare providers for flights from Seoul to Hanoi
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Hanoi in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seoul-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Hanoi flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seoul-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seoul to Hanoi
Have a flexible travel schedule? Discover the best time to fly to Hanoi from Seoul with our price prediction graph.
SEL-HAN
ICN-HAN
GMP-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 Hanoi
SEL-HAN
ICN-HAN
GMP-HAN
What is the cheapest month to book a flight from Seoul to Hanoi?
Currently, September is the cheapest month in which you can book a flight from Seoul to Hanoi (average of $223). Flying from Seoul to Hanoi in February is currently the most expensive (average of $459). 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 HAN?
Find hourly flight availability from Seoul to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Hanoi as you normally would.
Weekly flight availability from Seoul to Hanoi
Explore weekly flight availability from Seoul to Hanoi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 10, 2026.
The most flights from SEL to HAN are scheduled on a Wednesday (23 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost to fly round-trip from Seoul to Hanoi?
Airfare is below average for this route at the moment.
Seoul to Hanoi flights typically cost between $179 and $269 in October.The cheapest round-trip price found within the last 5 days was $155 on Multiple Airlines (Oct 5-Oct 12).
How far ahead should I book a flight from Seoul to Hanoi?
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Hanoi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Hanoi
Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated September 10, 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andVietnam Airlines from Seoul to Hanoi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
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 Hanoi. 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.
Alternative routes
Complete your trip
Flights by cabin class
Hanoi flight routes
Other flight options
Other flights from Seoul
Popular flights
Alternative routes for Seoul to Hanoi
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Hanoi by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seoul to Hanoi by cabin class
Find flights from Seoul to Hanoi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Hanoi
Explore flights to Hanoi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Seoul and Hanoi flights
Browse other Seoul and Hanoi flight options. Last updated on September 10, 2026.
Other flights from Seoul
Browse through other flights departing from Seoul. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seoul to Hanoi
Discover the top 5 airlines that operate flights from Seoul to Hanoi. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$232 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$183 | Average$336 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$223 | Average$352 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$267 | Average$447 | FlexibilityNo cancel fee | On-time81% |