$423+ Cheap flights from Ontario (ONT) to Incheon Intl (ICN)
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ICN
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Incheon Intl with Cheapflights
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Cheapest flights from Ontario to Incheon IntlExplore the most affordable flight options available from Ontario to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from Ontario to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/188:33 pm
ONT
- ICN
2 stops30h 12m
Multiple Airlines
Mon 9/77:15 pm
ICN
- ONT
1 stop33h 27m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$955
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 8/198:33 pm
ONT
- ICN
2 stops30h 12m
Multiple Airlines
Mon 9/77:15 pm
ICN
- ONT
1 stop33h 27m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$983
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Sun 8/28:58 am
ONT
- ICN
2 stops41h 47m
Multiple Airlines
Sun 8/237:15 pm
ICN
- ONT
1 stop31h 43m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,095
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/266:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Wed 9/27:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$1,097
This lastminute.com deal was found by Cheapflights users on 6/3. 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 lastminute.com 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
Sat 9/1912:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,098
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/226:00 am
ONT
- ICN
1 stop19h 30m
Alaska Airlines
Mon 11/98:00 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$1,099
This Booking.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/193:07 pm
ONT
- ICN
1 stop34h 23m
Alaska Airlines
Wed 9/27:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$1,100
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com 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
Thu 9/37:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$1,101
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/266:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Mon 9/147:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$1,106
Best flights from Ontario to Incheon IntlDiscover carefully curated flight deals from Ontario to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from Ontario to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This Korean Air deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
ONT
- ICN
1 stop17h 20m
Korean Air
Tue 8/114:40 pm
ICN
- ONT
1 stop22h 05m
Korean Air
Deal found 6/4![Korean Air logo]()
$1,260
This China Airlines deal was found by Cheapflights users on 6/3. 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 9/2512:10 am
ONT
- ICN
1 stop19h 55m
China Airlines
Thu 10/1512:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,273
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
ONT
- ICN
1 stop17h 00m
United Airlines
Sat 9/1911:30 am
ICN
- ONT
1 stop16h 42m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,306
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:20 am
ONT
- ICN
1 stop18h 20m
Delta
Tue 7/284:40 pm
ICN
- ONT
1 stop16h 41m
Delta
Deal found 6/4![Delta logo]()
$1,326
This Qatar Airways deal was found by Cheapflights users on 6/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:02 am
ONT
- ICN
2 stops36h 28m
Qatar Airways
Mon 9/281:20 am
ICN
- ONT
2 stops33h 43m
Qatar Airways
Deal found 6/3![Qatar Airways logo]()
$1,396
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/15:54 pm
ONT
- ICN
1 stop31h 36m
Alaska Airlines
Sat 7/47:35 pm
ICN
- ONT
2 stops30h 21m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$1,443
This China Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 9/2412:10 am
ONT
- ICN
1 stop19h 05m
China Airlines
Fri 10/1612:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,313
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/86:39 pm
ONT
- ICN
1 stop17h 41m
United Airlines
Mon 7/2011:30 am
ICN
- ONT
1 stop16h 42m
United Airlines
Deal found 6/7![United Airlines logo]()
$1,351
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Sat 7/186:00 am
ONT
- ICN
1 stop17h 20m
Delta
Sun 8/94:40 pm
ICN
- ONT
1 stop22h 05m
Delta
Deal found 6/6![Delta logo]()
$1,426
This Qatar Airways deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Sun 9/1312:12 pm
ONT
- ICN
2 stops36h 53m
Qatar Airways
Sat 9/191:20 am
ICN
- ONT
2 stops38h 04m
Qatar Airways
Deal found 6/7![Qatar Airways logo]()
$1,465
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 7/66:00 am
ONT
- ICN
1 stop17h 00m
United Airlines
Thu 7/3011:30 am
ICN
- ONT
1 stop16h 42m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,426
This China Airlines deal was found by Cheapflights users on 6/3. 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.
Thu 9/2412:10 am
ONT
- ICN
1 stop19h 05m
China Airlines
Mon 10/1212:35 pm
ICN
- ONT
1 stop21h 25m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,440
Last-minute flights from Ontario to Incheon IntlDiscover last-minute flight deals from Ontario to Incheon Intl. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Incheon Intl. Data last updated June 8, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/96:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Fri 7/107:35 pm
ICN
- ONT
1 stop33h 34m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$1,111
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/96:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sun 7/197:35 pm
ICN
- ONT
1 stop31h 39m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$1,114
This Expedia deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:05 pm
ONT
- ICN
1 stop35h 25m
Alaska Airlines
Sun 7/197:35 pm
ICN
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$1,110
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/116:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sun 7/197:35 pm
ICN
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$1,120
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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
Tue 8/258:05 pm
ICN
- ONT
1 stop38h 35m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,230
This Booking.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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
2 stops18h 03m
Multiple Airlines
Thu 8/65:45 pm
ICN
- ONT
2 stops18h 45m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,241
This KAYAK deal was found by Cheapflights users on 6/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
ONT
- ICN
1 stop17h 00m
Asiana Airlines
Thu 8/1311:30 am
ICN
- ONT
1 stop16h 42m
Asiana Airlines
Deal found 6/3![Asiana Airlines logo]()
$1,189
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:20 am
ONT
- ICN
1 stop18h 20m
Delta
Wed 7/294:40 pm
ICN
- ONT
1 stop16h 41m
Delta
Deal found 6/3![Delta logo]()
$1,256
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/276:00 am
ONT
- ICN
1 stop17h 00m
United Airlines
Wed 8/194:50 pm
ICN
- ONT
1 stop17h 26m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,206
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/296:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sat 9/267:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$1,100
One-way flights from Ontario to Incheon IntlSearch for one-way flight options from Ontario to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from Ontario to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/196:00 am
ONT
- ICN
2 stops20h 45m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$423
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/246:00 am
ONT
- ICN
2 stops20h 45m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$447
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/178:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$458
This Trip.com deal was found by Cheapflights users on 6/3. 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.
Mon 9/2111:38 am
ONT
- ICN
1 stop18h 02m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$462
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:58 am
ONT
- ICN
1 stop19h 12m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$494
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/278:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$497
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/118:58 am
ONT
- ICN
1 stop19h 12m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$507
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/228:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$511
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/78:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$516
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/178:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$523
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am
ONT
- ICN
2 stops30h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$535
This Booking.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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
Deal found 6/4![Alaska Airlines logo]()
$536
Find flight deals from Ontario to Incheon Intl
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Incheon Intl (ICN). 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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $955 (Kiwi.com) |
One-way from | $423 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,235 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Incheon Intl 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 8, 2026.
Use the filters below to find and compare flights from Ontario to Incheon Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 8/4
6:00 am-3:20 pm
1 stop17h 20m
Incheon Intl
Tue 8/11
4:40 pm-10:45 pm
1 stop22h 05m
$1,260
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Fri 9/25
12:10 am-12:05 pm
1 stop19h 55m
Incheon Intl
Thu 10/15
12:35 pm-6:00 pm
1 stop21h 25m
$1,273
Quickest round-trip
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Sun 9/6
6:00 am-3:00 pm
1 stop17h 00m
Incheon Intl
Sat 9/19
11:30 am-12:12 pm
1 stop16h 42m
$1,306
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Thu 9/24
12:10 am-11:15 am
1 stop19h 05m
Incheon Intl
Fri 10/16
12:35 pm-6:00 pm
1 stop21h 25m
$1,313
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 7/7
6:20 am-4:40 pm
1 stop18h 20m
Incheon Intl
Tue 7/28
4:40 pm-5:21 pm
1 stop16h 41m
$1,326
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Wed 7/8
6:39 pm-4:20 am
1 stop17h 41m
Incheon Intl
Mon 7/20
11:30 am-12:12 pm
1 stop16h 42m
$1,351
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Wed 9/9
6:02 am-10:30 am
2 stops36h 28m
Incheon Intl
Mon 9/28
1:20 am-7:03 pm
2 stops33h 43m
$1,396
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Sat 7/18
6:00 am-3:20 pm
1 stop17h 20m
Incheon Intl
Sun 8/9
4:40 pm-10:45 pm
1 stop22h 05m
$1,426
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 7/6
6:00 am-3:00 pm
1 stop17h 00m
Incheon Intl
Thu 7/30
11:30 am-12:12 pm
1 stop16h 42m
$1,426
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Thu 9/24
12:10 am-11:15 am
1 stop19h 05m
Incheon Intl
Mon 10/12
12:35 pm-6:00 pm
1 stop21h 25m
$1,440
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Incheon Intl
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 Incheon Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Incheon Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Incheon Intl Airport 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-Incheon Intl Airport 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 Incheon Intl
Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Ontario with our price prediction graph.
ONT-ICN
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.
Reviews of airlines servicing Incheon Intl
Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated June 8, 2026.
Get a feel of what it's like to fly with China Airlines from Ontario to Incheon Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.8
Entertainment
8.0
Crew
8.5
Overall
8.3
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Comfort
8.0
Food
7.8
Entertainment
8.0
Crew
8.5
Overall
8.3
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 Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Incheon Intl Airport?
Book flights to Incheon Intl Airport if you plan to visit one of these locationsSeongnam
Suwon
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Other flights to Incheon Intl
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Ontario and Incheon Intl flights
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Top airline flying from Ontario to Incheon Intl
Discover the top airline that operate flights from Ontario to Incheon Intl. 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$860 | Average$989 | FlexibilityNo cancel fee | On-time70% |