$398+ Cheap flights from Ontario (ONT) to Seoul (SEL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SEL
mar 5 — mar 121
1 adult, Economy
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Find cheap flights from Ontario to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 Seoul
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Cheapest flights from Ontario to SeoulExplore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 3, 2026.
Explore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 3, 2026.
This SmartFares deal was found by Cheapflights users on 2/1. 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.
sáb 4/2512:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
ter 5/1912:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$812
This oojo deal was found by Cheapflights users on 2/2. 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.
seg 5/1112:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
qua 5/2712:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/2![China Airlines logo]()
$817
This SmartFares deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/412:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
ter 5/1212:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 1/31![China Airlines logo]()
$820
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/2012:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
seg 6/18:05 pm
ICN
- ONT
1 stop37h 55m
China Airlines
Deal found 2/1![China Airlines logo]()
$821
This China Airlines deal was found by Cheapflights users on 2/2. 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.
sex 5/812:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
qui 5/148:05 pm
ICN
- ONT
1 stop37h 55m
China Airlines
Deal found 2/2![China Airlines logo]()
$853
This oojo deal was found by Cheapflights users on 2/3. 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.
seg 3/210:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qui 3/128:15 pm
ICN
- ONT
1 stop37h 35m
China Airlines
Deal found 2/3![China Airlines logo]()
$856
This oojo deal was found by Cheapflights users on 2/2. 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.
qua 3/410:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qua 3/1112:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/2![China Airlines logo]()
$857
This oojo deal was found by Cheapflights users on 2/3. 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.
sáb 4/1112:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
qua 4/2212:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/3![China Airlines logo]()
$858
This SmartFares deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/1512:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
ter 4/2112:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 1/31![China Airlines logo]()
$861
This Hanatour deal was found by Cheapflights users on 2/1. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/1512:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
ter 4/2812:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$863
This China Airlines deal was found by Cheapflights users on 2/2. 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.
qui 4/3012:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
qui 5/1412:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/2![China Airlines logo]()
$866
This oojo deal was found by Cheapflights users on 2/1. 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.
sáb 8/2212:45 am
ONT
- ICN
1 stop18h 45m
China Airlines
qua 8/2612:45 pm
ICN
- ONT
1 stop21h 55m
China Airlines
Deal found 2/1![China Airlines logo]()
$870
Best flights from Ontario to SeoulDiscover carefully curated flight deals from Ontario to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated fevereiro 3, 2026.
Discover carefully curated flight deals from Ontario to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated fevereiro 3, 2026.
This China Airlines deal was found by Cheapflights users on 2/1. 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.
sex 5/112:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
sáb 5/912:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$866
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
qua 2/186:14 am
ONT
- ICN
1 stop19h 21m
Multiple Airlines
seg 3/98:35 pm
ICN
- ONT
2 stops29h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,057
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/56:14 am
ONT
- GMP
2 stops22h 51m
Japan Airlines
qui 3/1212:05 pm
GMP
- ONT
2 stops19h 03m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$1,491
This China Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/412:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
qua 5/1312:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 1/31![China Airlines logo]()
$866
This China Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 5/512:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
ter 5/1212:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 1/31![China Airlines logo]()
$866
This China Airlines deal was found by Cheapflights users on 2/2. 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.
qua 3/410:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qui 3/198:15 pm
ICN
- ONT
1 stop37h 35m
China Airlines
Deal found 2/2![China Airlines logo]()
$945
This China Airlines deal was found by Cheapflights users on 2/1. 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.
sáb 4/412:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
sex 4/178:05 pm
ICN
- ONT
1 stop37h 55m
China Airlines
Deal found 2/1![China Airlines logo]()
$951
This China Airlines deal was found by Cheapflights users on 2/1. 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.
ter 4/2812:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
sáb 5/912:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$951
This China Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/1712:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
sex 6/2612:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 1/31![China Airlines logo]()
$951
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/56:14 am
ONT
- GMP
2 stops22h 51m
Japan Airlines
sex 3/1312:05 pm
GMP
- ONT
2 stops19h 03m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$1,540
This Japan Airlines deal was found by Cheapflights users on 2/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/1411:58 pm
ONT
- GMP
2 stops41h 57m
Multiple Airlines
sex 2/208:00 am
GMP
- ONT
2 stops31h 29m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,721
This China Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/1812:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
sáb 6/2012:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 1/31![China Airlines logo]()
$989
This China Airlines deal was found by Cheapflights users on 2/1. 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.
qui 4/3012:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
seg 5/412:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$989
This China Airlines deal was found by Cheapflights users on 2/1. 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.
ter 3/1711:50 pm
ONT
- ICN
1 stop27h 25m
China Airlines
qua 4/1512:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$995
This China Airlines deal was found by Cheapflights users on 2/1. 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.
seg 4/2712:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
seg 5/412:45 pm
ICN
- ONT
1 stop21h 15m
China Airlines
Deal found 2/1![China Airlines logo]()
$1,032
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/56:14 am
ONT
- GMP
2 stops22h 51m
Japan Airlines
sáb 3/147:40 pm
GMP
- ONT
2 stops35h 28m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$2,275
This Japan Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/167:00 am
ONT
- GMP
2 stops23h 05m
Multiple Airlines
seg 5/47:15 pm
GMP
- ONT
2 stops39h 22m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$2,521
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/296:00 am
ONT
- GMP
2 stops36h 40m
Japan Airlines
seg 4/68:00 am
GMP
- ONT
2 stops26h 13m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$2,496
This Japan Airlines deal was found by Cheapflights users on 2/2. 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.
seg 3/167:00 am
ONT
- GMP
2 stops23h 05m
Multiple Airlines
dom 5/37:15 pm
GMP
- ONT
2 stops39h 22m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$2,595
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/296:00 am
ONT
- GMP
2 stops36h 40m
Japan Airlines
dom 4/57:15 pm
GMP
- ONT
2 stops38h 58m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$2,496
This Japan Airlines deal was found by Cheapflights users on 2/2. 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.
sex 3/206:00 am
ONT
- GMP
2 stops24h 05m
Multiple Airlines
sex 3/277:40 pm
GMP
- ONT
2 stops39h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$2,636
This Priceline deal was found by Cheapflights users on 2/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/56:14 am
ONT
- GMP
2 stops22h 51m
Multiple Airlines
sáb 3/141:50 pm
GMP
- ONT
1 stop19h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$3,740
This Japan Airlines deal was found by Cheapflights users on 2/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/177:00 am
ONT
- GMP
2 stops23h 05m
Multiple Airlines
seg 5/47:15 pm
GMP
- ONT
2 stops34h 03m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$4,074
This Japan Airlines deal was found by Cheapflights users on 2/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/111:58 pm
ONT
- GMP
2 stops41h 57m
Multiple Airlines
ter 3/317:15 pm
GMP
- ONT
2 stops39h 27m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$4,193
Last-minute flights from Ontario to SeoulDiscover last-minute flight deals from Ontario to Seoul. Data last updated fevereiro 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Seoul. Data last updated fevereiro 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/2310:50 pm
ONT
- ICN
1 stop27h 25m
China Airlines
qua 3/1112:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/3![China Airlines logo]()
$959
This oojo deal was found by Cheapflights users on 2/3. 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.
seg 3/210:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qui 3/128:15 pm
ICN
- ONT
1 stop37h 35m
China Airlines
Deal found 2/3![China Airlines logo]()
$856
This oojo deal was found by Cheapflights users on 2/3. 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.
seg 3/210:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
sex 3/612:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/3![China Airlines logo]()
$944
This China Airlines deal was found by Cheapflights users on 2/3. 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.
seg 3/210:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qua 3/2512:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/3![China Airlines logo]()
$945
This oojo deal was found by Cheapflights users on 2/2. 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.
ter 3/34:02 pm
ONT
- ICN
2 stops34h 13m
China Airlines
qui 3/1212:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/2![China Airlines logo]()
$949
This oojo deal was found by Cheapflights users on 2/2. 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.
qua 3/410:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qua 3/1112:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/2![China Airlines logo]()
$857
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/56:14 am
ONT
- GMP
2 stops22h 51m
Japan Airlines
qui 3/1212:05 pm
GMP
- ONT
2 stops19h 03m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$1,491
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/56:14 am
ONT
- GMP
2 stops22h 51m
Japan Airlines
sex 3/1312:05 pm
GMP
- ONT
2 stops19h 03m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$1,540
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/1511:50 pm
ONT
- ICN
1 stop19h 30m
Multiple Airlines
qua 3/256:55 pm
ICN
- ONT
2 stops28h 17m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$976
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/169:06 am
ONT
- ICN
2 stops35h 39m
Multiple Airlines
dom 5/310:10 pm
ICN
- ONT
1 stop39h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$880
This oojo deal was found by Cheapflights users on 2/1. 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.
seg 3/1611:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
qui 3/2612:30 pm
ICN
- ONT
1 stop21h 20m
China Airlines
Deal found 2/1![China Airlines logo]()
$901
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/169:06 am
ONT
- ICN
1 stop19h 24m
Multiple Airlines
seg 5/46:20 pm
ICN
- ONT
2 stops40h 14m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$906
One-way flights from Ontario to SeoulSearch for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Data last updated fevereiro 3, 2026.
Search for one-way flight options from Ontario to Seoul. Find affordable one-way fares based on user searches. Data last updated fevereiro 3, 2026.
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/99:06 am
ONT
- ICN
1 stop19h 24m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/243:22 pm
ONT
- ICN
3 stops59h 03m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$436
This SmartFares deal was found by Cheapflights users on 2/2. 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.
ter 5/1912:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
Deal found 2/2![China Airlines logo]()
$461
This SmartFares deal was found by Cheapflights users on 2/3. 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.
sáb 4/412:10 am
ONT
- ICN
1 stop26h 55m
China Airlines
Deal found 2/3![China Airlines logo]()
$463
This oojo deal was found by Cheapflights users on 2/2. 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.
seg 4/2712:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
Deal found 2/2![China Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 2/2210:18 pm
ONT
- ICN
3 stops52h 07m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$480
This oojo deal was found by Cheapflights users on 2/1. 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.
qua 3/410:50 pm
ONT
- ICN
1 stop19h 30m
China Airlines
Deal found 2/1![China Airlines logo]()
$501
This oojo deal was found by Cheapflights users on 2/2. 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.
qui 3/1211:50 pm
ONT
- ICN
1 stop27h 25m
China Airlines
Deal found 2/2![China Airlines logo]()
$502
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/2611:50 pm
ONT
- ICN
1 stop27h 25m
China Airlines
Deal found 2/3![China Airlines logo]()
$507
This SmartFares deal was found by Cheapflights users on 2/2. 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.
sex 7/3112:45 am
ONT
- ICN
1 stop26h 20m
China Airlines
Deal found 2/2![China Airlines logo]()
$512
This SmartFares deal was found by Cheapflights users on 2/1. 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.
sáb 4/1112:10 am
ONT
- ICN
1 stop19h 20m
China Airlines
Deal found 2/1![China Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 2/2210:50 pm
ONT
- GMP
2 stops40h 45m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$607
Find flight deals from Ontario to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated fevereiro 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $812 (SmartFares) |
One-way from | $398 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $933 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated fevereiro 3, 2026.
Use the filters below to find and compare flights from Ontario to Seoul that are best for you.
Fly from
Ontario
Fly to
Seoul
Route
Depart
Return
Price
OntarioIncheon
ONT - ICN
ONTICN
Ontario
sex 5/1
12:10 am-11:30 am
1 stop19h 20m
Incheon Intl
sáb 5/9
12:45 pm-6:00 pm
1 stop21h 15m
$866
OntarioIncheon
ONT - ICN
ONTICN
Ontario
seg 5/4
12:10 am-7:05 pm
1 stop26h 55m
Incheon Intl
qua 5/13
12:45 pm-6:00 pm
1 stop21h 15m
$866
OntarioIncheon
ONT - ICN
ONTICN
Ontario
ter 5/5
12:10 am-7:05 pm
1 stop26h 55m
Incheon Intl
ter 5/12
12:45 pm-6:00 pm
1 stop21h 15m
$866
OntarioIncheon
ONT - ICN
ONTICN
Ontario
qua 3/4
10:50 pm-11:20 am
1 stop19h 30m
Incheon Intl
qui 3/19
8:15 pm-5:50 pm
1 stop37h 35m
$945
OntarioIncheon
ONT - ICN
ONTICN
Ontario
sáb 4/4
12:10 am-7:05 pm
1 stop26h 55m
Incheon Intl
sex 4/17
8:05 pm-6:00 pm
1 stop37h 55m
$951
OntarioIncheon
ONT - ICN
ONTICN
Ontario
ter 4/28
12:10 am-7:05 pm
1 stop26h 55m
Incheon Intl
sáb 5/9
12:45 pm-6:00 pm
1 stop21h 15m
$951
OntarioIncheon
ONT - ICN
ONTICN
Ontario
dom 5/17
12:10 am-11:30 am
1 stop19h 20m
Incheon Intl
sex 6/26
12:45 pm-6:00 pm
1 stop21h 15m
$951
OntarioIncheon
ONT - ICN
ONTICN
Ontario
seg 5/18
12:10 am-7:05 pm
1 stop26h 55m
Incheon Intl
sáb 6/20
12:45 pm-6:00 pm
1 stop21h 15m
$989
OntarioIncheon
ONT - ICN
ONTICN
Ontario
qui 4/30
12:10 am-11:30 am
1 stop19h 20m
Incheon Intl
seg 5/4
12:45 pm-6:00 pm
1 stop21h 15m
$989
OntarioIncheon
ONT - ICN
ONTICN
Ontario
ter 3/17
11:50 pm-7:15 pm
1 stop27h 25m
Incheon Intl
qua 4/15
12:45 pm-6:00 pm
1 stop21h 15m
$995
Showing 1-10 of 41 results
Compare providers for flights from Ontario to Seoul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Seoul in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Ontario-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Ontario with our price prediction graph.
ONT-SEL
ONT-ICN
ONT-GMP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Seoul
ONT-SEL
ONT-ICN
ONT-GMP
What is the cheapest month to book a flight from Ontario to Seoul?
Currently, February is the cheapest month in which you can book a flight from Ontario to Seoul (average of $354). Flying from Ontario to Seoul in June is currently the most expensive (average of $528). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated fevereiro 3, 2026.
Get a feel of what it's like to fly with China Airlines from Ontario to Seoul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Crew
8.5
Food
7.8
Overall
8.3
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
TPE - SFO
Boarding
8.3
Crew
8.5
Food
7.8
Overall
8.3
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
2.0
MediocreAnonymous,Dec 2025
TPE - SFO
Related info for your journey
Find useful and relevant information for your journey from Ontario to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ontario to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Ontario to Seoul
Discover the top airline that operate flights from Ontario to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated fevereiro 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$860 | Average$1,000 | FlexibilityNo cancel fee | On-time70% |