$485+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ICN
Jun 3 — Jun 101
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to South Korea
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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 May 4, 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 May 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Sun 5/107:35 pm
ICN
- ONT
1 stop15h 30m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$938
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Thu 6/47:35 pm
ICN
- ONT
1 stop15h 12m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$939
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:59 pm
ONT
- ICN
1 stop29h 31m
Alaska Airlines
Wed 5/67:35 pm
ICN
- ONT
1 stop18h 57m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$945
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Sat 6/67:35 pm
ICN
- ONT
2 stops20h 21m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$1,057
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:59 am
ONT
- ICN
1 stop19h 11m
Multiple Airlines
Sat 6/66:00 pm
ICN
- ONT
2 stops37h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,058
This SmartFares deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Tue 9/1512:10 am
ONT
- ICN
1 stop27h 25m
China Airlines
Thu 10/112:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 5/3![China Airlines logo]()
$1,096
This Super.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sat 8/2912:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Sun 9/612:45 pm
ICN
- ONT
1 stop21h 55m
China Airlines
Deal found 5/3![China Airlines logo]()
$1,120
This Super.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Fri 9/412:45 am
ONT
- ICN
1 stop18h 45m
China Airlines
Sat 9/1912:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 5/2![China Airlines logo]()
$1,123
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/2212:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Sun 8/3012:45 pm
ICN
- ONT
1 stop21h 55m
China Airlines
Deal found 5/2![China Airlines logo]()
$1,132
This SmartFares deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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
ONT
- ICN
1 stop18h 45m
China Airlines
Mon 9/712:45 pm
ICN
- ONT
1 stop21h 55m
China Airlines
Deal found 5/3![China Airlines logo]()
$1,134
This Justfly.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 am
ONT
- ICN
1 stop19h 05m
China Airlines
Wed 9/3012:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 5/1![China Airlines logo]()
$1,137
This SmartFares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/1012:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Tue 8/2512:45 pm
ICN
- ONT
1 stop21h 55m
China Airlines
Deal found 5/1![China Airlines logo]()
$1,139
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 May 4, 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 May 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/316:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Mon 11/28:00 pm
ICN
- ONT
1 stop15h 13m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$1,141
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 10/226:05 am
ONT
- ICN
1 stop16h 55m
United Airlines
Tue 11/312:45 pm
ICN
- ONT
1 stop14h 12m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,241
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 am
ONT
- PUS
1 stop26h 50m
China Airlines
Tue 10/1310:30 am
PUS
- ONT
1 stop23h 30m
China Airlines
Deal found 4/30![China Airlines logo]()
$1,246
This Qatar Airways deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/1412:10 pm
ONT
- ICN
2 stops36h 55m
Qatar Airways
Sat 10/171:20 am
ICN
- ONT
2 stops37h 19m
Qatar Airways
Deal found 5/2![Qatar Airways logo]()
$1,256
This Korean Air deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:20 am
ONT
- TAE
2 stops21h 35m
Korean Air
Wed 9/27:55 am
TAE
- ONT
2 stops31h 49m
Korean Air
Deal found 5/3![Korean Air logo]()
$1,464
This Mytrip deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/212:45 am
ONT
- CJU
1 stop16h 50m
Multiple Airlines
Tue 9/810:30 am
CJU
- ONT
1 stop24h 10m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,588
This KAYAK deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:02 am
ONT
- GMP
2 stops36h 38m
Japan Airlines
Fri 7/108:00 am
GMP
- ONT
2 stops24h 30m
Japan Airlines
Deal found 5/1![Japan Airlines logo]()
$2,017
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/311:18 pm
ONT
- ICN
2 stops23h 02m
United Airlines
Thu 9/34:50 pm
ICN
- ONT
1 stop22h 08m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,246
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 am
ONT
- PUS
1 stop26h 50m
China Airlines
Thu 10/810:30 am
PUS
- ONT
1 stop23h 30m
China Airlines
Deal found 5/2![China Airlines logo]()
$1,250
This China Airlines deal was found by Cheapflights users on 4/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:45 am
ONT
- ICN
1 stop18h 45m
China Airlines
Tue 9/1512:35 pm
ICN
- ONT
1 stop22h 05m
China Airlines
Deal found 4/30![China Airlines logo]()
$1,252
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 9/227:13 pm
ONT
- ICN
1 stop17h 07m
United Airlines
Sun 10/1111:30 am
ICN
- ONT
1 stop16h 42m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,291
This China Airlines deal was found by Cheapflights users on 4/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Fri 9/1812:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 4/30![China Airlines logo]()
$1,252
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 7/211:18 pm
ONT
- ICN
2 stops23h 02m
United Airlines
Mon 8/34:50 pm
ICN
- ONT
2 stops35h 57m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,296
This China Airlines deal was found by Cheapflights users on 4/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:45 am
ONT
- ICN
1 stop18h 45m
China Airlines
Fri 9/1812:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 4/30![China Airlines logo]()
$1,252
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/215:00 am
ONT
- ICN
2 stops31h 20m
United Airlines
Fri 7/314:50 pm
ICN
- ONT
2 stops35h 57m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,346
This China Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/3111:50 pm
ONT
- PUS
1 stop27h 00m
China Airlines
Wed 11/411:50 am
PUS
- ONT
1 stop22h 00m
China Airlines
Deal found 5/1![China Airlines logo]()
$1,269
This Japan Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/1711:59 pm
ONT
- GMP
2 stops29h 16m
Multiple Airlines
Sun 8/237:15 pm
GMP
- ONT
2 stops32h 27m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,863
This KAYAK deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:02 am
ONT
- GMP
2 stops36h 38m
Japan Airlines
Sat 7/118:00 am
GMP
- ONT
2 stops28h 36m
Japan Airlines
Deal found 5/1![Japan Airlines logo]()
$2,017
This China Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/2812:45 am
ONT
- ICN
1 stop18h 45m
China Airlines
Sat 10/3112:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 5/3![China Airlines logo]()
$1,272
This ANA deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 9/49:01 am
ONT
- GMP
2 stops21h 19m
Multiple Airlines
Tue 9/2212:40 pm
GMP
- ONT
2 stops23h 24m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,906
This oojo deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 10/1712:10 am
ONT
- PUS
1 stop17h 20m
China Airlines
Sat 10/3111:50 am
PUS
- ONT
2 stops40h 19m
China Airlines
Deal found 5/3![China Airlines logo]()
$1,294
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/912:10 am
ONT
- GMP
1 stop25h 15m
Multiple Airlines
Thu 6/188:10 am
GMP
- ONT
2 stops25h 50m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,908
This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:02 am
ONT
- GMP
2 stops36h 38m
Japan Airlines
Tue 8/47:15 pm
GMP
- ONT
2 stops37h 42m
Japan Airlines
Deal found 4/30![Japan Airlines logo]()
$2,131
This China Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/2612:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Mon 8/3110:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 5/2![China Airlines logo]()
$1,313
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/2312:45 am
ONT
- GMP
2 stops25h 15m
Multiple Airlines
Wed 7/298:10 am
GMP
- ONT
2 stops26h 30m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,990
This China Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sun 8/1612:45 am
ONT
- PUS
1 stop16h 45m
China Airlines
Fri 8/2812:15 pm
PUS
- ONT
1 stop22h 25m
China Airlines
Deal found 5/1![China Airlines logo]()
$1,313
This Mytrip deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/2612:10 am
ONT
- CJU
1 stop25h 20m
Multiple Airlines
Sat 7/47:30 am
CJU
- ONT
2 stops27h 10m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$2,046
This China Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Sun 8/1612:45 am
ONT
- PUS
1 stop16h 45m
China Airlines
Sat 8/2910:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 5/1![China Airlines logo]()
$1,313
This Japan Airlines deal was found by Cheapflights users on 4/29. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:59 pm
ONT
- GMP
2 stops29h 16m
Multiple Airlines
Sun 7/197:15 pm
GMP
- ONT
2 stops37h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$2,101
This China Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 10/1812:10 am
ONT
- ICN
1 stop27h 25m
China Airlines
Fri 10/3012:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 4/29![China Airlines logo]()
$1,352
Last-minute flights from Ontario to South KoreaDiscover last-minute flight deals from Ontario to South Korea. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to South Korea. Data last updated May 4, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:26 pm
ONT
- ICN
1 stop34h 04m
Alaska Airlines
Mon 5/47:35 pm
ICN
- ONT
1 stop15h 30m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$1,200
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:59 pm
ONT
- ICN
1 stop29h 31m
Alaska Airlines
Wed 5/67:35 pm
ICN
- ONT
1 stop18h 57m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$945
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Thu 5/147:35 pm
ICN
- ONT
1 stop15h 12m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$938
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Thu 6/47:35 pm
ICN
- ONT
1 stop15h 12m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$939
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Sat 6/67:35 pm
ICN
- ONT
2 stops20h 21m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$1,057
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Thu 5/77:35 pm
ICN
- ONT
1 stop20h 24m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$1,142
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/412:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
Thu 6/412:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 5/1![China Airlines logo]()
$1,158
This Super.com deal was found by Cheapflights users on 4/29. 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.
Mon 5/412:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
Tue 5/1912:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 4/29![China Airlines logo]()
$1,166
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Sat 5/97:35 pm
ICN
- ONT
1 stop18h 57m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$1,192
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/412:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
Tue 5/128:05 pm
ICN
- ONT
1 stop37h 55m
China Airlines
Deal found 5/2![China Airlines logo]()
$1,202
This Super.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/512:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
Thu 5/2812:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 4/30![China Airlines logo]()
$1,145
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:59 am
ONT
- ICN
1 stop19h 11m
Multiple Airlines
Sat 6/66:00 pm
ICN
- ONT
2 stops37h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,058
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 May 4, 2026.
Search for one-way flight options from Ontario to South Korea. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This SmartFares deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sat 7/119:20 pm
ONT
- ICN
1 stop28h 10m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/226:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/86:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$495
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/212:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/712:04 pm
ONT
- ICN
1 stop37h 26m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$508
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:20 pm
ONT
- ICN
1 stop28h 10m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$584
This SmartFares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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
ONT
- ICN
1 stop26h 20m
China Airlines
Deal found 5/1![China Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 10/274:27 pm
ONT
- ICN
2 stops36h 03m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$609
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:45 am
ONT
- ICN
3 stops22h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$620
This Super.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Deal found 5/1![China Airlines logo]()
$622
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:45 am
ONT
- ICN
3 stops22h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$623
This SmartFares deal was found by Cheapflights users on 4/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:45 am
ONT
- PUS
1 stop18h 30m
China Airlines
Deal found 4/30![China Airlines logo]()
$674
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 May 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,058 (Trip.com) |
One-way from | $485 (SmartFares) |
Popular in | December |
Cheapest in | September |
Average price | $997 |
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 May 4, 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
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 8/31
6:00 am-5:30 pm
1 stop19h 30m
Incheon Intl
Mon 11/2
8:00 pm-6:13 pm
1 stop15h 13m
$1,141
Quickest round-trip
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Thu 10/22
6:05 am-3:00 pm
1 stop16h 55m
Incheon Intl
Tue 11/3
12:45 pm-9:57 am
1 stop14h 12m
$1,241
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Thu 9/17
12:10 am-7:00 pm
1 stop26h 50m
Busan Gimhae
Tue 10/13
10:30 am-6:00 pm
1 stop23h 30m
$1,246
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 8/31
1:18 pm-4:20 am
2 stops23h 02m
Incheon Intl
Thu 9/3
4:50 pm-10:58 pm
1 stop22h 08m
$1,246
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Thu 9/17
12:10 am-7:00 pm
1 stop26h 50m
Busan Gimhae
Thu 10/8
10:30 am-6:00 pm
1 stop23h 30m
$1,250
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 8/31
12:45 am-11:30 am
1 stop18h 45m
Incheon Intl
Tue 9/15
12:35 pm-6:40 pm
1 stop22h 05m
$1,252
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Wed 8/26
12:45 am-7:05 pm
1 stop26h 20m
Incheon Intl
Fri 9/18
12:35 pm-6:00 pm
1 stop21h 25m
$1,252
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 8/25
12:45 am-11:30 am
1 stop18h 45m
Incheon Intl
Fri 9/18
12:35 pm-6:00 pm
1 stop21h 25m
$1,252
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 9/14
12:10 pm-5:05 pm
2 stops36h 55m
Incheon Intl
Sat 10/17
1:20 am-10:39 pm
2 stops37h 19m
$1,256
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Sat 10/31
11:50 pm-6:50 pm
1 stop27h 00m
Busan Gimhae
Wed 11/4
11:50 am-4:50 pm
1 stop22h 00m
$1,269
Showing 1-10 of 58 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-TAE
ONT-CJU
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 South Korea
ONT-KR0
ONT-ICN
ONT-PUS
ONT-TAE
ONT-CJU
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 May 4, 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.
Overall
8.3
Food
7.8
Entertainment
8.0
Crew
8.5
Comfort
8.0
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Overall
8.3
Food
7.8
Entertainment
8.0
Crew
8.5
Comfort
8.0
Boarding
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 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 May 4, 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$948 | FlexibilityNo cancel fee | On-time70% |