$398+ Cheap flights from Ontario (ONT) to Seoul (SEL)
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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SEL
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Seoul with Cheapflights
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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 Ontario to SeoulExplore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:07 pm -
1 stop17h 33m
Sat 9/266:00 pm -
2 stops29h 04m
Deal found 8/14![Multiple Airlines logo]()
$771
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
2 stops23h 40m
Fri 9/117:15 pm -
1 stop16h 21m
Deal found 8/12![Multiple Airlines logo]()
$804
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:07 pm -
1 stop17h 33m
Sat 10/176:00 pm -
2 stops33h 16m
Deal found 8/13![Multiple Airlines logo]()
$890
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:48 am -
1 stop19h 22m
Sat 9/56:00 pm -
2 stops30h 03m
Deal found 8/14![Multiple Airlines logo]()
$925
This Trip.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:13 pm -
1 stop21h 12m
Sat 9/199:00 pm -
2 stops26h 04m
Deal found 8/11![Multiple Airlines logo]()
$931
This SmartFares deal was found by Cheapflights users on 8/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:10 am -
1 stop27h 25m
Wed 10/2812:30 pm -
1 stop21h 35m
Deal found 8/12![China Airlines logo]()
$935
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/1412:07 pm -
1 stop17h 33m
Wed 10/218:35 pm -
1 stop37h 25m
Deal found 8/12![Multiple Airlines logo]()
$941
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:45 am -
2 stops25h 05m
Mon 9/77:20 am -
2 stops27h 20m
Deal found 8/10![Multiple Airlines logo]()
$1,168
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:45 am -
2 stops25h 30m
Mon 9/218:10 am -
2 stops25h 50m
Deal found 8/10![Multiple Airlines logo]()
$1,254
This EVA 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:59 pm -
2 stops31h 16m
Fri 9/181:50 pm -
2 stops38h 22m
Deal found 8/10![Multiple Airlines logo]()
$1,338
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:10 am -
2 stops25h 00m
Fri 10/237:20 am -
2 stops26h 40m
Deal found 8/10![Multiple Airlines logo]()
$1,398
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:45 am -
1 stop24h 40m
Mon 8/319:05 am -
2 stops24h 35m
Deal found 8/12![Multiple Airlines logo]()
$1,609
Best flights from Ontario to SeoulDiscover carefully curated flight deals from Ontario to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Ontario to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
1 stop17h 20m
Tue 12/16:45 pm -
1 stop15h 28m
Deal found 8/13![Delta logo]()
$1,007
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:02 am -
1 stop19h 28m
Sat 1/308:00 pm -
1 stop19h 39m
Deal found 8/12![Alaska Airlines logo]()
$1,007
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
1 stop17h 15m
Tue 5/114:50 pm -
2 stops19h 30m
Deal found 8/14![United Airlines logo]()
$1,112
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:45 am -
2 stops25h 05m
Mon 9/77:20 am -
2 stops27h 20m
Deal found 8/10![Multiple Airlines logo]()
$1,168
This China Airlines deal was found by Cheapflights users on 8/11. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1410:50 pm -
1 stop19h 30m
Sat 1/2312:30 pm -
1 stop21h 35m
Deal found 8/11![China Airlines logo]()
$1,174
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop18h 20m
Thu 10/296:45 pm -
1 stop19h 58m
Deal found 8/14![Delta logo]()
$1,007
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
1 stop17h 20m
Tue 9/157:00 pm -
1 stop19h 40m
Deal found 8/12![Delta logo]()
$1,007
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:03 am -
1 stop14h 57m
Wed 10/144:50 pm -
2 stops20h 08m
Deal found 8/14![United Airlines logo]()
$1,112
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:11 pm -
2 stops29h 44m
Wed 11/254:10 pm -
2 stops24h 48m
Deal found 8/11![Delta logo]()
$1,012
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:10 am -
1 stop25h 10m
Sat 10/316:00 pm -
2 stops18h 51m
Deal found 8/14![United Airlines logo]()
$1,212
This EVA 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:59 pm -
2 stops31h 16m
Fri 9/181:50 pm -
2 stops38h 22m
Deal found 8/10![Multiple Airlines logo]()
$1,338
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:20 am -
1 stop18h 20m
Sat 9/194:40 pm -
1 stop16h 39m
Deal found 8/12![Delta logo]()
$1,057
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:07 am -
1 stop16h 53m
Mon 10/266:00 pm -
2 stops34h 33m
Deal found 8/10![United Airlines logo]()
$1,226
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:08 am -
1 stop16h 52m
Sun 9/611:30 am -
1 stop16h 42m
Deal found 8/10![United Airlines logo]()
$1,257
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:27 pm -
2 stops35h 28m
Fri 9/118:00 am -
2 stops28h 07m
Deal found 8/10![Multiple Airlines logo]()
$1,971
This Japan Airlines deal was found by Cheapflights users on 8/11. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:25 am -
2 stops42h 50m
Mon 9/1412:05 pm -
2 stops39h 42m
Deal found 8/11![Multiple Airlines logo]()
$1,992
This Japan Airlines deal was found by Cheapflights users on 8/11. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:59 pm -
2 stops29h 06m
Fri 11/138:00 am -
2 stops27h 47m
Deal found 8/11![Multiple Airlines logo]()
$2,212
This Japan Airlines deal was found by Cheapflights users on 8/13. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:59 pm -
2 stops41h 56m
Tue 11/2412:05 pm -
2 stops28h 47m
Deal found 8/13![Multiple Airlines logo]()
$2,234
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:25 am -
2 stops44h 50m
Sun 9/2012:05 pm -
2 stops41h 20m
Deal found 8/10![Multiple Airlines logo]()
$2,265
This Japan Airlines deal was found by Cheapflights users on 8/12. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:59 pm -
2 stops29h 16m
Fri 10/308:00 am -
2 stops29h 11m
Deal found 8/12![Multiple Airlines logo]()
$2,783
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:22 pm -
2 stops38h 43m
Sun 1/38:00 am -
2 stops31h 02m
Deal found 8/10![Multiple Airlines logo]()
$3,570
This Japan Airlines deal was found by Cheapflights users on 8/11. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:59 pm -
2 stops41h 56m
Sun 11/298:00 am -
2 stops30h 39m
Deal found 8/11![Multiple Airlines logo]()
$3,614
This Japan Airlines deal was found by Cheapflights users on 8/13. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:22 pm -
2 stops39h 43m
Sun 11/228:00 am -
2 stops27h 57m
Deal found 8/13![Multiple Airlines logo]()
$3,780
This ANA deal was found by Cheapflights users on 8/14. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:25 am -
2 stops20h 55m
Sat 10/247:40 am -
2 stops23h 42m
Deal found 8/14![Multiple Airlines logo]()
$3,802
Last-minute flights from Ontario to SeoulDiscover last-minute flight deals from Ontario to Seoul. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Seoul. Data last updated August 14, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:45 am -
1 stop24h 40m
Mon 8/319:05 am -
2 stops24h 35m
Deal found 8/12![Multiple Airlines logo]()
$1,609
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:48 am -
1 stop19h 22m
Sat 9/56:00 pm -
2 stops30h 03m
Deal found 8/14![Multiple Airlines logo]()
$925
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
2 stops23h 40m
Fri 9/117:15 pm -
1 stop16h 21m
Deal found 8/12![Multiple Airlines logo]()
$804
This Trip.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:13 pm -
1 stop21h 12m
Sat 9/199:00 pm -
2 stops26h 04m
Deal found 8/11![Multiple Airlines logo]()
$931
This Super.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/212:45 am -
1 stop26h 20m
Mon 9/1412:45 pm -
1 stop21h 55m
Deal found 8/11![China Airlines logo]()
$960
This Super.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/212:45 am -
1 stop26h 20m
Mon 9/712:45 pm -
1 stop21h 55m
Deal found 8/11![China Airlines logo]()
$962
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:45 am -
2 stops25h 05m
Mon 9/77:20 am -
2 stops27h 20m
Deal found 8/10![Multiple Airlines logo]()
$1,168
This Super.com deal was found by Cheapflights users on 8/11. 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.
Wed 9/912:45 am -
1 stop26h 20m
Sat 9/1212:45 pm -
1 stop21h 55m
Deal found 8/11![China Airlines logo]()
$961
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:45 am -
2 stops25h 30m
Mon 9/218:10 am -
2 stops25h 50m
Deal found 8/10![Multiple Airlines logo]()
$1,254
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/1412:07 pm -
1 stop17h 33m
Wed 10/218:35 pm -
1 stop37h 25m
Deal found 8/12![Multiple Airlines logo]()
$941
This EVA 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:59 pm -
2 stops31h 16m
Fri 9/181:50 pm -
2 stops38h 22m
Deal found 8/10![Multiple Airlines logo]()
$1,338
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:07 pm -
1 stop17h 33m
Sat 9/266:00 pm -
2 stops29h 04m
Deal found 8/14![Multiple Airlines logo]()
$771
One-way flights from Ontario to SeoulSearch for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/2112:07 pm -
1 stop17h 33m
Deal found 8/13![Multiple Airlines logo]()
$398
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:07 pm -
1 stop17h 33m
Deal found 8/13![Multiple Airlines logo]()
$428
This SmartFares deal was found by Cheapflights users on 8/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:50 pm -
1 stop27h 25m
Deal found 8/12![China Airlines logo]()
$488
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 am -
1 stop27h 25m
Deal found 8/12![China Airlines logo]()
$499
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:38 am -
1 stop18h 02m
Deal found 8/10![Multiple Airlines logo]()
$501
This SmartFares deal was found by Cheapflights users on 8/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:45 am -
1 stop18h 45m
Deal found 8/11![China Airlines logo]()
$504
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.
Thu 8/2712:45 am -
1 stop26h 20m
Deal found 8/10![China Airlines logo]()
$508
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:50 pm -
1 stop27h 25m
Deal found 8/10![China Airlines logo]()
$512
This SmartFares deal was found by Cheapflights users on 8/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:50 pm -
1 stop19h 30m
Deal found 8/12![China Airlines logo]()
$514
This oojo deal was found by Cheapflights users on 8/11. 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.
Wed 11/1110:50 pm -
1 stop27h 25m
Deal found 8/11![China Airlines logo]()
$515
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:45 am -
1 stop24h 40m
Deal found 8/11![Multiple Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am -
1 stop24h 40m
Deal found 8/11![Multiple Airlines logo]()
$590
Find flight deals from Ontario to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Seoul (SEL). 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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $771 (Trip.com) |
One-way from | $398 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $868 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Seoul 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 14, 2026.
Use the filters below to find and compare flights from Ontario to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Mon 11/16
6:00 am-4:20 pm
1 stop17h 20m
Incheon Intl
Tue 12/1
6:45 pm-5:13 pm
1 stop15h 28m
$1,007
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 9/2
6:02 am-5:30 pm
1 stop19h 28m
Incheon Intl
Sat 1/30
8:00 pm-10:39 pm
1 stop19h 39m
$1,007
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Tue 10/27
6:00 am-4:20 pm
1 stop18h 20m
Incheon Intl
Thu 10/29
6:45 pm-10:43 pm
1 stop19h 58m
$1,007
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 9/9
6:00 am-3:20 pm
1 stop17h 20m
Incheon Intl
Tue 9/15
7:00 pm-10:40 pm
1 stop19h 40m
$1,007
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 11/11
5:11 pm-3:55 pm
2 stops29h 44m
Incheon Intl
Wed 11/25
4:10 pm-11:58 pm
2 stops24h 48m
$1,012
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 9/2
6:20 am-4:40 pm
1 stop18h 20m
Incheon Intl
Sat 9/19
4:40 pm-5:19 pm
1 stop16h 39m
$1,057
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Tue 11/17
6:00 am-4:15 pm
1 stop17h 15m
Incheon Intl
Tue 5/11
4:50 pm-8:20 pm
2 stops19h 30m
$1,112
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 10/7
8:03 am-3:00 pm
1 stop14h 57m
Incheon Intl
Wed 10/14
4:50 pm-8:58 pm
2 stops20h 08m
$1,112
OntarioSeoul
ONT Ontario - GMP Seoul Gimpo Intl
ONTGMP
Ontario
Thu 9/3
12:45 am-5:50 pm
2 stops25h 05m
Seoul Gimpo Intl
Mon 9/7
7:20 am-6:40 pm
2 stops27h 20m
$1,168
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Thu 1/14
10:50 pm-11:20 am
1 stop19h 30m
Incheon Intl
Sat 1/23
12:30 pm-5:05 pm
1 stop21h 35m
$1,174
Showing 1-10 of 46 resultsSorted by cheapest first
Compare providers for flights from Ontario to Seoul
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 Ontario to Seoul in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Seoul 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 Ontario-Seoul 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 Ontario to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Ontario with our price prediction graph.
ONT-SEL
ONT-ICN
ONT-GMP
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 Ontario to Seoul
ONT-SEL
ONT-ICN
ONT-GMP
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated August 14, 2026.
Get a feel of what it's like to fly with China Airlines from Ontario to Seoul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.0
Food
7.8
Crew
8.5
Boarding
8.3
Comfort
8.0
Overall
8.3
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Entertainment
8.0
Food
7.8
Crew
8.5
Boarding
8.3
Comfort
8.0
Overall
8.3
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Ontario to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Search flights from Ontario to Seoul by cabin class
Find flights from Ontario to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Seoul flights
Browse other Ontario and Seoul flight options. Last updated on August 14, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Top airline flying from Ontario to Seoul
Discover the top airline that operate flights from Ontario to Seoul. 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$860 | Average$989 | FlexibilityNo cancel fee | On-time70% |