$381+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ICN
Jul 29 — Aug 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 June 29, 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 June 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Wed 8/58:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Thu 8/278:30 pm
ICN
- ONT
2 stops54h 32m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$934
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Fri 7/318:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Sun 8/168:30 pm
ICN
- ONT
2 stops57h 33m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,002
This lol.travel deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Wed 8/197:35 pm
ICN
- ONT
1 stop19h 49m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$1,011
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Sun 11/111:59 pm
ONT
- ICN
1 stop23h 26m
American Airlines
Tue 11/176:35 pm
ICN
- ONT
1 stop20h 48m
American Airlines
Deal found 6/24![American Airlines logo]()
$1,048
This SmartFares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/36:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Mon 8/177:35 pm
ICN
- ONT
1 stop16h 55m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$1,052
This SmartFares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Thu 8/136:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Thu 8/277:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$1,053
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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.
Sun 9/201:05 pm
ONT
- ICN
2 stops34h 40m
American Airlines
Thu 10/15:50 pm
ICN
- ONT
2 stops20h 53m
American Airlines
Deal found 6/25![American Airlines logo]()
$1,060
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:58 am
ONT
- ICN
1 stop19h 12m
Multiple Airlines
Mon 8/37:35 pm
ICN
- ONT
2 stops33h 18m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,077
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Fri 8/77:35 pm
ICN
- ONT
2 stops31h 27m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,084
This oojo deal was found by Cheapflights users on 6/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:45 am
ONT
- PUS
1 stop18h 30m
China Airlines
Sun 8/1610:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 6/27![China Airlines logo]()
$1,098
This oojo deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 stop19h 05m
China Airlines
Thu 10/812:15 pm
PUS
- ONT
1 stop21h 45m
China Airlines
Deal found 6/24![China Airlines logo]()
$1,109
This oojo deal was found by Cheapflights users on 6/28. 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 8/412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Wed 8/2610:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 6/28![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 June 29, 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 June 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Thu 8/277:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$1,113
This oojo deal was found by Cheapflights users on 6/28. 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 8/412:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Wed 8/2610:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 6/28![China Airlines logo]()
$1,139
This United Airlines deal was found by Cheapflights users on 6/28. 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 11/46:00 am
ONT
- ICN
1 stop17h 15m
United Airlines
Wed 11/1812:45 pm
ICN
- ONT
1 stop16h 16m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,161
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:20 am
ONT
- PUS
2 stops21h 25m
Delta
Tue 11/174:10 pm
PUS
- ONT
2 stops17h 02m
Delta
Deal found 6/27![Delta logo]()
$1,213
This Mytrip deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Sun 8/1612:45 am
ONT
- CJU
1 stop16h 50m
Multiple Airlines
Sun 8/3010:40 am
CJU
- ONT
1 stop24h 00m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,340
This Korean Air deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 8/196:20 am
ONT
- TAE
2 stops21h 35m
Korean Air
Sun 8/237:55 am
TAE
- ONT
2 stops25h 26m
Korean Air
Deal found 6/24![Korean Air logo]()
$1,415
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Mon 8/247:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$1,113
This oojo deal was found by Cheapflights users on 6/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Mon 8/1710:30 am
PUS
- ONT
1 stop24h 10m
China Airlines
Deal found 6/27![China Airlines logo]()
$1,139
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Mon 12/76:00 am
ONT
- ICN
1 stop17h 15m
United Airlines
Mon 12/2112:45 pm
ICN
- ONT
1 stop16h 35m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,196
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am
ONT
- PUS
2 stops21h 25m
Delta
Tue 11/174:10 pm
PUS
- ONT
2 stops18h 07m
Delta
Deal found 6/27![Delta logo]()
$1,213
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Mon 8/247:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$1,113
This China Airlines deal was found by Cheapflights users on 6/27. 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.
Sun 11/110:50 pm
ONT
- PUS
1 stop19h 00m
China Airlines
Thu 11/1911:50 am
PUS
- ONT
1 stop22h 00m
China Airlines
Deal found 6/27![China Airlines logo]()
$1,151
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:05 pm
ONT
- ICN
2 stops31h 45m
Delta
Wed 8/264:40 pm
ICN
- ONT
1 stop16h 41m
Delta
Deal found 6/28![Delta logo]()
$1,260
This China Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 8/2912:45 am
ONT
- PUS
1 stop16h 45m
China Airlines
Thu 9/38:00 pm
PUS
- ONT
1 stop38h 40m
China Airlines
Deal found 6/28![China Airlines logo]()
$1,151
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 am
ONT
- ICN
1 stop18h 35m
Alaska Airlines
Sun 1/108:00 pm
ICN
- ONT
1 stop19h 39m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$1,176
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 am
ONT
- GMP
1 stop25h 15m
Multiple Airlines
Thu 10/1511:15 am
GMP
- ONT
1 stop22h 45m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,462
This China Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 11/110:50 pm
ONT
- PUS
1 stop19h 00m
China Airlines
Thu 11/511:50 am
PUS
- ONT
1 stop22h 00m
China Airlines
Deal found 6/24![China Airlines logo]()
$1,152
This China Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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
- ICN
1 stop18h 45m
China Airlines
Mon 9/1412:45 pm
ICN
- ONT
1 stop21h 55m
China Airlines
Deal found 6/25![China Airlines logo]()
$1,155
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:45 am
ONT
- GMP
2 stops25h 15m
Multiple Airlines
Wed 9/2311:25 am
GMP
- ONT
2 stops21h 40m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,658
This China Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/2712:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Thu 9/1712:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/25![China Airlines logo]()
$1,155
This China Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/412:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Sun 9/2012:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/24![China Airlines logo]()
$1,155
This Mytrip deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 10/2112:10 am
ONT
- GMP
2 stops30h 15m
Multiple Airlines
Thu 10/298:30 am
GMP
- ONT
2 stops25h 20m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,710
This China Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/2712:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Fri 9/1812:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/25![China Airlines logo]()
$1,155
This Japan Airlines deal was found by Cheapflights users on 6/27. 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.
Wed 9/92:22 pm
ONT
- GMP
2 stops38h 53m
Multiple Airlines
Mon 10/57:15 pm
GMP
- ONT
2 stops32h 33m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,747
This oojo deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/1312:45 am
ONT
- PUS
1 stop26h 15m
China Airlines
Sun 9/2012:15 pm
PUS
- ONT
1 stop21h 45m
China Airlines
Deal found 6/24![China Airlines logo]()
$1,191
This Mytrip deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Sun 7/1912:45 am
ONT
- GMP
2 stops25h 30m
Multiple Airlines
Fri 7/248:10 am
GMP
- ONT
2 stops26h 30m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,881
This China Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 11/510:50 pm
ONT
- PUS
1 stop27h 00m
China Airlines
Thu 11/1911:50 am
PUS
- ONT
1 stop22h 00m
China Airlines
Deal found 6/27![China Airlines logo]()
$1,194
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:45 am
ONT
- CJU
1 stop16h 50m
Multiple Airlines
Tue 8/410:30 am
CJU
- ONT
1 stop24h 10m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,905
This China Airlines deal was found by Cheapflights users on 6/27. 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 11/710:50 pm
ONT
- PUS
1 stop27h 00m
China Airlines
Sun 11/1511:50 am
PUS
- ONT
1 stop22h 00m
China Airlines
Deal found 6/27![China Airlines logo]()
$1,194
This China Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/412:45 am
ONT
- ICN
1 stop18h 45m
China Airlines
Wed 9/2312:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/24![China Airlines logo]()
$1,198
Last-minute flights from Ontario to South KoreaDiscover last-minute flight deals from Ontario to South Korea. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to South Korea. Data last updated June 29, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:26 pm
ONT
- ICN
1 stop32h 04m
Alaska Airlines
Thu 7/307:35 pm
ICN
- ONT
1 stop16h 57m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$1,111
This Booking.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Thu 11/198:00 pm
ICN
- ONT
1 stop19h 54m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$1,097
This Booking.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Mon 7/277:35 pm
ICN
- ONT
1 stop31h 39m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$1,098
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Fri 8/77:35 pm
ICN
- ONT
2 stops31h 27m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,084
This Booking.com deal was found by Cheapflights users on 6/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:54 pm
ONT
- ICN
1 stop31h 36m
Alaska Airlines
Thu 8/137:35 pm
ICN
- ONT
1 stop16h 55m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$1,100
This Booking.com deal was found by Cheapflights users on 6/27. 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 Booking.com 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
Wed 8/57:35 pm
ICN
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$1,101
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Wed 8/57:35 pm
ICN
- ONT
2 stops31h 27m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,103
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 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
Mon 8/37:35 pm
ICN
- ONT
1 stop16h 55m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$1,106
This Booking.com deal was found by Cheapflights users on 6/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:20 pm
ONT
- ICN
1 stop28h 10m
Alaska Airlines
Fri 8/147:35 pm
ICN
- ONT
1 stop31h 39m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$1,099
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:58 am
ONT
- ICN
1 stop19h 12m
Multiple Airlines
Mon 8/37:35 pm
ICN
- ONT
2 stops33h 18m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,077
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:58 am
ONT
- ICN
1 stop19h 12m
Multiple Airlines
Wed 8/57:35 pm
ICN
- ONT
2 stops31h 27m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,096
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Fri 7/318:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Sun 8/168:30 pm
ICN
- ONT
2 stops57h 33m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$1,002
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 June 29, 2026.
Search for one-way flight options from Ontario to South Korea. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Trip.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/158:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$381
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/318:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$399
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$409
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/288:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$463
This Trip.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/198:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$465
This Trip.com deal was found by Cheapflights users on 6/27. 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 7/208:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:38 pm
ONT
- ICN
2 stops40h 02m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$469
This Trip.com deal was found by Cheapflights users on 6/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:38 am
ONT
- ICN
1 stop18h 02m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$481
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/168:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$484
This Trip.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/28:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$491
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 10/1712:10 am
ONT
- PUS
1 stop26h 50m
China Airlines
Deal found 6/24![China Airlines logo]()
$574
This SmartFares deal was found by Cheapflights users on 6/27. 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.
Sun 8/1612:45 am
ONT
- PUS
1 stop18h 30m
China Airlines
Deal found 6/27![China Airlines logo]()
$583
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 June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $934 (Kiwi.com) |
One-way from | $381 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,324 |
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 June 29, 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
Tue 8/18
2:05 pm-5:30 pm
1 stop35h 25m
Incheon Intl
Thu 8/27
7:35 pm-7:03 pm
1 stop15h 28m
$1,113
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 8/18
2:05 pm-5:30 pm
1 stop35h 25m
Incheon Intl
Mon 8/24
7:35 pm-7:03 pm
1 stop15h 28m
$1,113
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Sun 8/16
2:05 pm-5:30 pm
1 stop35h 25m
Incheon Intl
Mon 8/24
7:35 pm-7:03 pm
1 stop15h 28m
$1,113
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Tue 8/4
12:45 am-7:00 pm
1 stop26h 15m
Busan Gimhae
Wed 8/26
10:30 am-6:40 pm
1 stop24h 10m
$1,139
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Thu 8/6
12:45 am-7:00 pm
1 stop26h 15m
Busan Gimhae
Mon 8/17
10:30 am-6:40 pm
1 stop24h 10m
$1,139
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Sun 11/1
10:50 pm-10:50 am
1 stop19h 00m
Busan Gimhae
Thu 11/19
11:50 am-4:50 pm
1 stop22h 00m
$1,151
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Sat 8/29
12:45 am-9:30 am
1 stop16h 45m
Busan Gimhae
Thu 9/3
8:00 pm-6:40 pm
1 stop38h 40m
$1,151
OntarioBusan
ONT - PUS
ONTPUS
Ontario
Sun 11/1
10:50 pm-10:50 am
1 stop19h 00m
Busan Gimhae
Thu 11/5
11:50 am-4:50 pm
1 stop22h 00m
$1,152
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 8/24
12:45 am-11:30 am
1 stop18h 45m
Incheon Intl
Mon 9/14
12:45 pm-6:40 pm
1 stop21h 55m
$1,155
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Thu 8/27
12:45 am-7:05 pm
1 stop26h 20m
Incheon Intl
Thu 9/17
12:35 pm-6:00 pm
1 stop21h 25m
$1,155
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-CJU
ONT-TAE
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-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 June 29, 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
Boarding
8.3
Overall
8.3
Food
7.8
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Crew
8.5
Boarding
8.3
Overall
8.3
Food
7.8
Comfort
8.0
Entertainment
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 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 June 29, 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$944 | FlexibilityNo cancel fee | On-time70% |