$370+ Cheap flights from Ontario (ONT) to South Korea
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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ICN
Aug 14 — Aug 211
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to South Korea 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 South KoreaExplore the most affordable flight options available from Ontario to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 15, 2026.
Explore the most affordable flight options available from Ontario to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:58 am
ONT
- ICN
2 stops45h 37m
Multiple Airlines
Sun 8/307:15 pm
ICN
- ONT
1 stop31h 47m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Sun 9/137:15 pm
ICN
- ONT
1 stop34h 45m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$778
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Sat 9/126:00 pm
ICN
- ONT
1 stop36h 00m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$873
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Thu 10/81:00 pm
ICN
- ONT
2 stops19h 10m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$911
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:38 am
ONT
- ICN
1 stop18h 02m
Multiple Airlines
Fri 10/97:15 pm
ICN
- ONT
2 stops36h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$931
This Trip.com deal was found by Cheapflights users on 7/14. 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 8/228:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Wed 9/912:45 pm
ICN
- ONT
1 stop21h 55m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:48 am
ONT
- ICN
1 stop27h 17m
Multiple Airlines
Fri 9/117:15 pm
ICN
- ONT
2 stops36h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$967
This oojo deal was found by Cheapflights users on 7/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Wed 9/1612:15 pm
PUS
- ONT
1 stop21h 45m
China Airlines
Deal found 7/13![China Airlines logo]()
$1,132
This China Airlines deal was found by Cheapflights users on 7/12. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Fri 8/2810:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 7/12![China Airlines logo]()
$1,137
This oojo deal was found by Cheapflights users on 7/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:45 pm
ONT
- PUS
1 stop20h 45m
STARLUX Airlines
Wed 12/3012:30 pm
PUS
- ONT
1 stop20h 25m
STARLUX Airlines
Deal found 7/13![STARLUX Airlines logo]()
$1,172
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:50 pm
ONT
- PUS
1 stop27h 00m
China Airlines
Sat 10/3110:10 am
PUS
- ONT
1 stop23h 55m
China Airlines
Deal found 7/14![China Airlines logo]()
$1,177
This FlightHub deal was found by Cheapflights users on 7/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am
ONT
- PUS
1 stop19h 05m
China Airlines
Sat 10/3110:10 am
PUS
- ONT
1 stop23h 55m
China Airlines
Deal found 7/14![China Airlines logo]()
$1,183
Best flights from Ontario to South KoreaDiscover carefully curated flight deals from Ontario to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 15, 2026.
Discover carefully curated flight deals from Ontario to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 15, 2026.
This Delta deal was found by Cheapflights users on 7/11. 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 11/46:00 am
ONT
- ICN
1 stop17h 20m
Delta
Wed 11/116:35 pm
ICN
- ONT
1 stop14h 37m
Delta
Deal found 7/11![Delta logo]()
$1,106
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:02 am
ONT
- ICN
1 stop19h 33m
Alaska Airlines
Thu 11/268:00 pm
ICN
- ONT
1 stop15h 32m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$1,114
This oojo deal was found by Cheapflights users on 7/11. 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.
Sun 8/3012:45 am
ONT
- PUS
1 stop16h 45m
China Airlines
Tue 10/612:15 pm
PUS
- ONT
1 stop21h 45m
China Airlines
Deal found 7/11![China Airlines logo]()
$1,132
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Sun 11/16:36 pm
ONT
- ICN
1 stop18h 04m
United Airlines
Tue 11/106:00 pm
ICN
- ONT
1 stop14h 23m
United Airlines
Deal found 7/14![United Airlines logo]()
$1,166
This Qatar Airways deal was found by Cheapflights users on 7/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am
ONT
- ICN
2 stops35h 30m
Qatar Airways
Tue 11/1712:20 am
ICN
- ONT
2 stops39h 34m
Qatar Airways
Deal found 7/13![Qatar Airways logo]()
$1,171
This STARLUX Airlines deal was found by Cheapflights users on 7/14. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 pm
ONT
- PUS
1 stop20h 00m
STARLUX Airlines
Fri 10/3012:30 pm
PUS
- ONT
1 stop20h 25m
STARLUX Airlines
Deal found 7/14![STARLUX Airlines logo]()
$1,236
This Mytrip deal was found by Cheapflights users on 7/10. 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.
Tue 9/812:45 am
ONT
- GMP
2 stops29h 40m
Multiple Airlines
Fri 9/188:10 am
GMP
- ONT
2 stops25h 50m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$1,401
This Korean Air deal was found by Cheapflights users on 7/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:20 am
ONT
- TAE
2 stops21h 35m
Korean Air
Sat 8/297:55 am
TAE
- ONT
2 stops30h 28m
Korean Air
Deal found 7/10![Korean Air logo]()
$1,412
This Delta deal was found by Cheapflights users on 7/11. 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.
Thu 9/36:20 am
ONT
- ICN
1 stop18h 30m
Delta
Wed 9/97:20 pm
ICN
- ONT
1 stop18h 44m
Delta
Deal found 7/11![Delta logo]()
$1,106
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:56 pm
ONT
- ICN
1 stop30h 34m
Alaska Airlines
Sun 10/187:35 pm
ICN
- ONT
1 stop14h 28m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$1,121
This oojo deal was found by Cheapflights users on 7/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Wed 9/1612:15 pm
PUS
- ONT
1 stop21h 45m
China Airlines
Deal found 7/13![China Airlines logo]()
$1,132
This Qatar Airways deal was found by Cheapflights users on 7/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:13 am
ONT
- ICN
2 stops38h 02m
Qatar Airways
Tue 11/312:20 am
ICN
- ONT
2 stops35h 08m
Qatar Airways
Deal found 7/10![Qatar Airways logo]()
$1,237
This China Airlines deal was found by Cheapflights users on 7/12. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Fri 8/2810:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 7/12![China Airlines logo]()
$1,137
This BusinessClass deal was found by Cheapflights users on 7/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:45 pm
ONT
- PUS
1 stop20h 45m
STARLUX Airlines
Wed 12/212:30 pm
PUS
- ONT
1 stop20h 25m
STARLUX Airlines
Deal found 7/11![STARLUX Airlines logo]()
$1,254
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 7/306:00 am
ONT
- ICN
1 stop17h 00m
United Airlines
Mon 8/1011:30 am
ICN
- ONT
1 stop16h 42m
United Airlines
Deal found 7/10![United Airlines logo]()
$1,276
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Fri 11/278:00 pm
ICN
- ONT
1 stop15h 32m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$1,164
This Delta deal was found by Cheapflights users on 7/14. 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.
Thu 9/36:00 am
ONT
- TAE
2 stops21h 55m
Delta
Wed 9/167:55 am
TAE
- ONT
2 stops30h 45m
Delta
Deal found 7/14![Delta logo]()
$1,206
This China Airlines deal was found by Cheapflights users on 7/13. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:10 am
ONT
- PUS
1 stop26h 50m
China Airlines
Thu 10/158:00 pm
PUS
- ONT
1 stop38h 00m
China Airlines
Deal found 7/13![China Airlines logo]()
$1,137
This STARLUX Airlines deal was found by Cheapflights users on 7/14. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:30 pm
ONT
- PUS
1 stop20h 00m
STARLUX Airlines
Fri 10/3012:30 pm
PUS
- ONT
1 stop20h 25m
STARLUX Airlines
Deal found 7/14![STARLUX Airlines logo]()
$1,276
This Mytrip deal was found by Cheapflights users on 7/11. 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.
Wed 9/912:45 am
ONT
- CJU
1 stop16h 50m
Multiple Airlines
Wed 9/1610:30 am
CJU
- ONT
1 stop23h 30m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,417
This China Airlines deal was found by Cheapflights users on 7/12. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:10 am
ONT
- ICN
1 stop19h 05m
China Airlines
Tue 11/38:15 pm
ICN
- ONT
1 stop37h 50m
China Airlines
Deal found 7/12![China Airlines logo]()
$1,141
This Delta deal was found by Cheapflights users on 7/14. 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.
Fri 9/46:20 am
ONT
- TAE
2 stops21h 35m
Delta
Wed 9/167:55 am
TAE
- ONT
2 stops30h 45m
Delta
Deal found 7/14![Delta logo]()
$1,256
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Fri 10/167:35 pm
ICN
- ONT
2 stops31h 14m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$1,266
This China Airlines deal was found by Cheapflights users on 7/11. 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.
Fri 10/912:10 am
ONT
- ICN
1 stop19h 05m
China Airlines
Sun 11/112:30 pm
ICN
- ONT
1 stop21h 35m
China Airlines
Deal found 7/11![China Airlines logo]()
$1,141
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:10 am
ONT
- GMP
2 stops27h 55m
Multiple Airlines
Fri 10/2311:40 am
GMP
- ONT
2 stops22h 20m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,635
This Delta deal was found by Cheapflights users on 7/14. 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.
Wed 8/266:20 am
ONT
- TAE
2 stops21h 35m
Delta
Tue 9/17:55 am
TAE
- ONT
2 stops30h 50m
Delta
Deal found 7/14![Delta logo]()
$1,356
This China Airlines deal was found by Cheapflights users on 7/14. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:10 am
ONT
- PUS
1 stop17h 20m
China Airlines
Sat 10/3110:10 am
PUS
- ONT
1 stop23h 55m
China Airlines
Deal found 7/14![China Airlines logo]()
$1,280
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:10 am
ONT
- GMP
2 stops26h 05m
Multiple Airlines
Thu 10/298:30 am
GMP
- ONT
2 stops25h 35m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,720
This China Airlines deal was found by Cheapflights users on 7/14. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:10 am
ONT
- PUS
1 stop19h 05m
China Airlines
Sun 11/110:10 am
PUS
- ONT
1 stop23h 55m
China Airlines
Deal found 7/14![China Airlines logo]()
$1,280
This Gotogate deal was found by Cheapflights users on 7/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:31 am
ONT
- GMP
2 stops19h 44m
Multiple Airlines
Sat 9/54:20 pm
GMP
- ONT
2 stops21h 50m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,734
Last-minute flights from Ontario to South KoreaDiscover last-minute flight deals from Ontario to South Korea. Data last updated July 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to South Korea. Data last updated July 15, 2026 and is based on user searches.
This China Airlines deal was found by Cheapflights users on 7/13. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Wed 8/1910:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 7/13![China Airlines logo]()
$1,345
This oojo deal was found by Cheapflights users on 7/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:45 am
ONT
- PUS
1 stop18h 30m
China Airlines
Mon 8/3110:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 7/12![China Airlines logo]()
$1,220
This oojo deal was found by Cheapflights users on 7/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Wed 9/1612:15 pm
PUS
- ONT
1 stop21h 45m
China Airlines
Deal found 7/13![China Airlines logo]()
$1,132
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:58 am
ONT
- ICN
2 stops45h 37m
Multiple Airlines
Sun 8/307:15 pm
ICN
- ONT
1 stop31h 47m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$772
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sat 8/297:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$1,009
This Trip.com deal was found by Cheapflights users on 7/14. 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 8/228:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Wed 9/912:45 pm
ICN
- ONT
1 stop21h 55m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Sat 9/126:00 pm
ICN
- ONT
1 stop36h 00m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$873
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Mon 9/147:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$1,016
This China Airlines deal was found by Cheapflights users on 7/12. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Fri 8/2810:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 7/12![China Airlines logo]()
$1,137
This Delta deal was found by Cheapflights users on 7/14. 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 8/256:20 am
ONT
- TAE
2 stops21h 35m
Delta
Tue 9/17:55 am
TAE
- ONT
2 stops30h 50m
Delta
Deal found 7/14![Delta logo]()
$1,356
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:48 am
ONT
- ICN
1 stop27h 17m
Multiple Airlines
Fri 9/117:15 pm
ICN
- ONT
2 stops36h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$967
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Thu 10/81:00 pm
ICN
- ONT
2 stops19h 10m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$911
One-way flights from Ontario to South KoreaSearch for one-way flight options from Ontario to South Korea. Find affordable one-way fares based on user searches. Data last updated July 15, 2026.
Search for one-way flight options from Ontario to South Korea. Find affordable one-way fares based on user searches. Data last updated July 15, 2026.
This Trip.com deal was found by Cheapflights users on 7/13. 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 9/2811:38 am
ONT
- ICN
1 stop18h 02m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$370
This Trip.com deal was found by Cheapflights users on 7/14. 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.
Mon 8/108:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:48 am
ONT
- ICN
2 stops45h 47m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$425
This Trip.com deal was found by Cheapflights users on 7/14. 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.
Sun 9/1311:38 am
ONT
- ICN
1 stop18h 02m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 7/318:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:58 pm
ONT
- ICN
2 stops38h 42m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:48 am
ONT
- GMP
3 stops59h 32m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$480
This Trip.com deal was found by Cheapflights users on 7/14. 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.
Wed 7/298:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/142:58 pm
ONT
- ICN
3 stops59h 47m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$501
This China Airlines deal was found by Cheapflights users on 7/13. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:10 am
ONT
- PUS
1 stop26h 50m
China Airlines
Deal found 7/13![China Airlines logo]()
$574
This SmartFares deal was found by Cheapflights users on 7/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Deal found 7/14![China Airlines logo]()
$585
Find flight deals from Ontario to South Korea
Keep the following information in mind while searching for Ontario to South Korea flight deals. Data was last updated July 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $772 (Kiwi.com) |
One-way from | $370 (Trip.com) |
Popular in | June |
Cheapest in | August |
Average price | $1,058 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to South Korea 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 July 15, 2026.
Use the filters below to find and compare flights from Ontario to South Korea that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Wed 11/4
6:00 am-4:20 pm
1 stop17h 20m
Incheon Intl
Wed 11/11
6:35 pm-4:12 pm
1 stop14h 37m
$1,106
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Thu 9/3
6:20 am-4:50 pm
1 stop18h 30m
Incheon Intl
Wed 9/9
7:20 pm-10:04 pm
1 stop18h 44m
$1,106
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Thu 10/29
6:02 am-5:35 pm
1 stop19h 33m
Incheon Intl
Thu 11/26
8:00 pm-6:32 pm
1 stop15h 32m
$1,114
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 10/13
6:56 pm-5:30 pm
1 stop30h 34m
Incheon Intl
Sun 10/18
7:35 pm-6:03 pm
1 stop14h 28m
$1,121
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Sun 8/30
12:45 am-9:30 am
1 stop16h 45m
Busan Gimhae
Tue 10/6
12:15 pm-6:00 pm
1 stop21h 45m
$1,132
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Tue 8/4
12:45 am-7:00 pm
1 stop26h 15m
Busan Gimhae
Wed 9/16
12:15 pm-6:00 pm
1 stop21h 45m
$1,132
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Mon 8/24
12:45 am-7:00 pm
1 stop26h 15m
Busan Gimhae
Fri 8/28
10:30 am-6:40 pm
1 stop24h 10m
$1,137
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Thu 10/1
12:10 am-7:00 pm
1 stop26h 50m
Busan Gimhae
Thu 10/15
8:00 pm-6:00 pm
1 stop38h 00m
$1,137
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 10/5
12:10 am-11:15 am
1 stop19h 05m
Incheon Intl
Tue 11/3
8:15 pm-5:05 pm
1 stop37h 50m
$1,141
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Fri 10/9
12:10 am-11:15 am
1 stop19h 05m
Incheon Intl
Sun 11/1
12:30 pm-6:05 pm
1 stop21h 35m
$1,141
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to South Korea
Have a flexible travel schedule? Discover the best time to fly to South Korea from Ontario with our price prediction graph.
ONT-ICN
ONT-PUS
ONT-GMP
ONT-TAE
ONT-CJU
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 South Korea
ONT-KR0
ONT-ICN
ONT-PUS
ONT-GMP
ONT-TAE
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing South Korea
Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated July 15, 2026.
Read through reviews of airlines operating flights from Ontario to South Korea, such as China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
8.0
Overall
8.3
Entertainment
8.0
Boarding
8.3
Food
7.8
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Crew
8.5
Comfort
8.0
Overall
8.3
Entertainment
8.0
Boarding
8.3
Food
7.8
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 South Korea. 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
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Alternative routes for Ontario to South Korea
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to South Korea by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to South Korea by cabin class
Find flights from Ontario to South Korea, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and South Korea flights
Browse other Ontario and South Korea flight options. Last updated on July 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to South Korea flights
Consider these flights traveling from Ontario to South Korea.
Fly to South Korea regions
Consider these flights traveling to South Korea regions.
Top airline flying from Ontario to South Korea
Discover the top airline that operate flights from Ontario to South Korea. 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 July 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$944 | FlexibilityNo cancel fee | On-time70% |