$381+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SEL
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Seoul 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 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 September 1, 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 September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:01 pm -
1 stop24h 09m
Mon 11/169:00 pm -
1 stop15h 28m
Deal found 8/27![Multiple Airlines logo]()
$895
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/13:13 pm -
1 stop38h 27m
Tue 9/810:40 pm -
1 stop34h 25m
Deal found 8/31![Multiple Airlines logo]()
$937
This flugladen.de deal was found by Cheapflights users on 8/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am -
1 stop26h 20m
Thu 9/248:35 pm -
1 stop37h 25m
Deal found 8/30![China Airlines logo]()
$943
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 pm -
2 stops54h 10m
Mon 11/27:45 pm -
1 stop16h 43m
Deal found 8/27![Multiple Airlines logo]()
$950
This flugladen.de deal was found by Cheapflights users on 8/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:10 am -
1 stop19h 05m
Tue 10/612:35 pm -
1 stop21h 25m
Deal found 8/30![China Airlines logo]()
$951
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:01 pm -
1 stop24h 09m
Wed 11/257:45 pm -
1 stop30h 20m
Deal found 8/27![Multiple Airlines logo]()
$952
This Super.com deal was found by Cheapflights users on 8/30. 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 9/3012:10 am -
1 stop19h 05m
Thu 10/2212:35 pm -
1 stop21h 25m
Deal found 8/30![China Airlines logo]()
$953
This flugladen.de deal was found by Cheapflights users on 8/31. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:45 am -
1 stop26h 20m
Wed 9/3012:35 pm -
1 stop21h 25m
Deal found 8/31![China Airlines logo]()
$958
This Kissandfly.com deal was found by Cheapflights users on 8/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:45 am -
1 stop26h 50m
Wed 9/308:35 pm -
1 stop37h 25m
Deal found 8/29![China Airlines logo]()
$961
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 am -
1 stop19h 05m
Wed 10/712:35 pm -
1 stop21h 25m
Deal found 8/27![China Airlines logo]()
$963
This oojo deal was found by Cheapflights users on 8/30. 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.
Mon 10/1212:10 am -
1 stop27h 25m
Tue 11/312:30 pm -
1 stop21h 35m
Deal found 8/30![China Airlines logo]()
$966
This oojo deal was found by Cheapflights users on 8/28. 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 9/2912:10 am -
1 stop19h 05m
Fri 10/98:35 pm -
1 stop37h 25m
Deal found 8/28![China Airlines logo]()
$972
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 September 1, 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 September 1, 2026.
This China Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/1812:10 am -
1 stop27h 25m
Wed 10/1412:35 pm -
1 stop21h 25m
Deal found 8/28![China Airlines logo]()
$996
This Qatar Airways deal was found by Cheapflights users on 8/29. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
2 stops35h 30m
Tue 11/1712:20 am -
2 stops34h 57m
Deal found 8/29![Qatar Airways logo]()
$1,172
This Delta deal was found by Cheapflights users on 8/29. 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 9/146:00 am -
1 stop17h 20m
Wed 9/307:20 pm -
1 stop20h 27m
Deal found 8/29![Delta logo]()
$1,243
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/194:50 pm -
1 stop14h 32m
Deal found 8/31![United Airlines logo]()
$1,258
This Japan Airlines deal was found by Cheapflights users on 8/30. 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 9/302:22 pm -
2 stops38h 53m
Wed 10/712:05 pm -
2 stops41h 25m
Deal found 8/30![Multiple Airlines logo]()
$1,733
This China Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 9/2112:10 am -
1 stop27h 25m
Sat 10/1012:35 pm -
1 stop21h 25m
Deal found 8/28![China Airlines logo]()
$996
This China Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 9/2612:10 am -
1 stop19h 05m
Sun 10/2512:30 pm -
1 stop21h 35m
Deal found 8/31![China Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/186:00 am -
1 stop17h 15m
Wed 11/2512:45 pm -
2 stops25h 06m
Deal found 8/28![United Airlines logo]()
$1,262
This Qatar Airways deal was found by Cheapflights users on 8/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:02 am -
2 stops36h 28m
Mon 11/212:20 am -
2 stops35h 01m
Deal found 8/28![Qatar Airways logo]()
$1,312
This China Airlines deal was found by Cheapflights users on 8/29. 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.
Wed 11/1810:50 pm -
1 stop27h 25m
Tue 12/112:30 pm -
1 stop21h 35m
Deal found 8/29![China Airlines logo]()
$1,143
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/236:00 am -
1 stop17h 00m
Mon 10/2611:45 am -
1 stop16h 44m
Deal found 8/30![United Airlines logo]()
$1,308
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:07 am -
1 stop16h 53m
Fri 10/234:50 pm -
1 stop14h 32m
Deal found 8/27![United Airlines logo]()
$1,378
This Japan Airlines deal was found by Cheapflights users on 8/26. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:22 pm -
2 stops38h 53m
Sat 10/37:15 pm -
2 stops32h 32m
Deal found 8/26![Multiple Airlines logo]()
$1,755
This United Airlines deal was found by Cheapflights users on 8/28. 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 12/86:00 am -
1 stop17h 15m
Fri 12/256:00 pm -
2 stops20h 00m
Deal found 8/28![United Airlines logo]()
$1,382
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 9/122:22 pm -
2 stops35h 33m
Sat 9/268:00 am -
2 stops28h 09m
Deal found 8/31![Multiple Airlines logo]()
$1,768
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Tue 10/611:59 pm -
2 stops29h 16m
Wed 10/1412:05 pm -
2 stops22h 39m
Deal found 8/29![Multiple Airlines logo]()
$1,782
This Mytrip deal was found by Cheapflights users on 8/29. 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.
Tue 9/2212:10 am -
2 stops25h 50m
Mon 10/511:25 am -
2 stops21h 40m
Deal found 8/29![Multiple Airlines logo]()
$1,803
This Japan Airlines deal was found by Cheapflights users on 8/30. 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.
Mon 2/226:00 am -
2 stops35h 45m
Thu 2/2512:05 pm -
2 stops42h 27m
Deal found 8/30![Multiple Airlines logo]()
$1,833
This Japan Airlines deal was found by Cheapflights users on 8/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:59 pm -
2 stops42h 41m
Sun 10/187:15 pm -
2 stops32h 38m
Deal found 8/27![Multiple Airlines logo]()
$1,934
This Japan Airlines deal was found by Cheapflights users on 8/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1311:59 pm -
2 stops41h 46m
Tue 12/2212:05 pm -
2 stops42h 25m
Deal found 8/27![Multiple Airlines logo]()
$2,030
This American Airlines deal was found by Cheapflights users on 8/30. 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 10/2111:59 pm -
2 stops25h 56m
Sat 10/3112:05 pm -
2 stops25h 06m
Deal found 8/30![Multiple Airlines logo]()
$2,063
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Thu 10/2211:59 pm -
2 stops29h 16m
Fri 10/3012:05 pm -
2 stops25h 06m
Deal found 8/29![Multiple Airlines logo]()
$2,458
Last-minute flights from Ontario to SeoulDiscover last-minute flight deals from Ontario to Seoul. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Seoul. Data last updated September 1, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/28. 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.
Mon 8/3112:45 am -
1 stop26h 20m
Fri 9/412:45 pm -
1 stop21h 55m
Deal found 8/28![China Airlines logo]()
$980
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/13:13 pm -
1 stop38h 27m
Tue 9/810:40 pm -
1 stop34h 25m
Deal found 8/31![Multiple Airlines logo]()
$937
This flugladen.de deal was found by Cheapflights users on 8/31. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:45 am -
1 stop26h 20m
Wed 9/3012:35 pm -
1 stop21h 25m
Deal found 8/31![China Airlines logo]()
$958
This oojo deal was found by Cheapflights users on 8/29. 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.
Sun 9/612:45 am -
1 stop18h 45m
Fri 9/1112:45 pm -
1 stop21h 55m
Deal found 8/29![China Airlines logo]()
$973
This flugladen.de deal was found by Cheapflights users on 8/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am -
1 stop26h 20m
Thu 9/248:35 pm -
1 stop37h 25m
Deal found 8/30![China Airlines logo]()
$943
This Super.com deal was found by Cheapflights users on 8/29. 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
Wed 11/1812:30 pm -
1 stop21h 35m
Deal found 8/29![China Airlines logo]()
$953
This Kissandfly.com deal was found by Cheapflights users on 8/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:45 am -
1 stop26h 50m
Wed 9/308:35 pm -
1 stop37h 25m
Deal found 8/29![China Airlines logo]()
$961
This flugladen.de deal was found by Cheapflights users on 8/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:10 am -
1 stop19h 05m
Tue 10/612:35 pm -
1 stop21h 25m
Deal found 8/30![China Airlines logo]()
$951
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 am -
1 stop19h 05m
Wed 10/712:35 pm -
1 stop21h 25m
Deal found 8/27![China Airlines logo]()
$963
This China Airlines deal was found by Cheapflights users on 8/27. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
1 stop19h 05m
Wed 10/712:35 pm -
1 stop21h 25m
Deal found 8/27![China Airlines logo]()
$996
This China Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 9/2612:10 am -
1 stop19h 05m
Wed 10/2112:35 pm -
1 stop21h 25m
Deal found 8/31![China Airlines logo]()
$997
This oojo deal was found by Cheapflights users on 8/28. 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 9/2912:10 am -
1 stop19h 05m
Fri 10/98:35 pm -
1 stop37h 25m
Deal found 8/28![China Airlines logo]()
$972
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 September 1, 2026.
Search for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/27. 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 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 8/27![Multiple Airlines logo]()
$381
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:01 pm -
1 stop17h 39m
Deal found 8/27![Multiple Airlines logo]()
$414
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:01 pm -
1 stop17h 39m
Deal found 8/27![Multiple Airlines logo]()
$500
This Trip.com deal was found by Cheapflights users on 8/29. 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 9/2812:07 pm -
1 stop24h 18m
Deal found 8/29![Multiple Airlines logo]()
$512
This Trip.com deal was found by Cheapflights users on 8/31. 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
Deal found 8/31![Multiple Airlines logo]()
$515
This Trip.com deal was found by Cheapflights users on 8/31. 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 9/2712:07 pm -
1 stop24h 18m
Deal found 8/31![Multiple Airlines logo]()
$520
This Super.com deal was found by Cheapflights users on 8/28. 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.
Mon 9/2112:10 am -
1 stop27h 25m
Deal found 8/28![China Airlines logo]()
$547
This SmartFares deal was found by Cheapflights users on 8/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:50 pm -
1 stop27h 25m
Deal found 8/27![China Airlines logo]()
$548
This Kissandfly.com deal was found by Cheapflights users on 8/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:50 pm -
1 stop27h 25m
Deal found 8/29![China Airlines logo]()
$549
This oojo deal was found by Cheapflights users on 8/28. 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.
Sun 11/110:50 pm -
1 stop27h 25m
Deal found 8/28![China Airlines logo]()
$553
This Ovago deal was found by Cheapflights users on 8/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
2 stops25h 45m
Deal found 8/28![Multiple Airlines logo]()
$554
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:10 am -
2 stops22h 35m
Deal found 8/26![Multiple Airlines logo]()
$690
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $895 (Trip.com) |
One-way from | $381 (Trip.com) |
Popular in | December |
Cheapest in | November |
Average price | $872 |
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 7,457,451 searches. Data last updated September 1, 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
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Fri 9/18
12:10 am-7:35 pm
1 stop27h 25m
Incheon Intl
Wed 10/14
12:35 pm-6:00 pm
1 stop21h 25m
$996
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Mon 9/21
12:10 am-7:35 pm
1 stop27h 25m
Incheon Intl
Sat 10/10
12:35 pm-6:00 pm
1 stop21h 25m
$996
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Sat 9/26
12:10 am-11:15 am
1 stop19h 05m
Incheon Intl
Sun 10/25
12:30 pm-6:05 pm
1 stop21h 35m
$1,070
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 11/18
10:50 pm-7:15 pm
1 stop27h 25m
Incheon Intl
Tue 12/1
12:30 pm-5:05 pm
1 stop21h 35m
$1,143
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 11/4
6:00 am-10:30 am
2 stops35h 30m
Incheon Intl
Tue 11/17
12:20 am-6:17 pm
2 stops34h 57m
$1,172
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Mon 9/14
6:00 am-3:20 pm
1 stop17h 20m
Incheon Intl
Wed 9/30
7:20 pm-11:47 pm
1 stop20h 27m
$1,243
Quickest round-trip
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Mon 10/12
6:07 am-3:00 pm
1 stop16h 53m
Incheon Intl
Mon 10/19
4:50 pm-3:22 pm
1 stop14h 32m
$1,258
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 11/18
6:00 am-4:15 pm
1 stop17h 15m
Incheon Intl
Wed 11/25
12:45 pm-8:51 pm
2 stops25h 06m
$1,262
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Fri 10/23
6:00 am-3:00 pm
1 stop17h 00m
Incheon Intl
Mon 10/26
11:45 am-12:29 pm
1 stop16h 44m
$1,308
OntarioIncheon
ONT Ontario - ICN Incheon Intl
ONTICN
Ontario
Wed 10/28
6:02 am-10:30 am
2 stops36h 28m
Incheon Intl
Mon 11/2
12:20 am-6:21 pm
2 stops35h 01m
$1,312
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 September.
| 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 September 1, 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.
Boarding
8.3
Overall
8.3
Entertainment
8.0
Food
7.8
Crew
8.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Boarding
8.3
Overall
8.3
Entertainment
8.0
Food
7.8
Crew
8.5
Comfort
8.0
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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Complete your trip
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Ontario and Seoul flights
Browse other Ontario and Seoul flight options. Last updated on September 1, 2026.
Other flights from Ontario
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Popular flight searches
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Other flights to Seoul
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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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$860 | Average$989 | FlexibilityNo cancel fee | On-time70% |