$289+ Cheap flights from Ontario (ONT) to Asia
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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Asia with Cheapflights
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Cheapest flights from Ontario to AsiaExplore the most affordable flight options available from Ontario to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from Ontario to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. 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 9/2112:07 pm
ONT
- ICN
1 stop17h 33m
Multiple Airlines
Mon 10/57:15 pm
ICN
- ONT
1 stop16h 21m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$737
This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 9/142:35 am
BKK
- ONT
2 stops34h 05m
Korean Air
Deal found 7/28![Korean Air logo]()
$757
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Sun 10/255:40 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$758
This Bravofly deal was found by Cheapflights users on 7/27. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Thu 9/1711:30 pm
BKK
- ONT
2 stops37h 10m
Korean Air
Deal found 7/27![Korean Air logo]()
$765
This Kissandfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Tue 9/155:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$772
This Kissandfly.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Sat 9/191:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$773
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:30 pm
ONT
- BKK
1 stop27h 10m
STARLUX Airlines
Fri 10/91:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Wed 9/91:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$775
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:30 pm
ONT
- BKK
1 stop27h 10m
STARLUX Airlines
Wed 11/181:45 pm
BKK
- ONT
1 stop17h 10m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$776
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Mon 10/191:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$777
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 pm
ONT
- BKK
1 stop22h 30m
STARLUX Airlines
Mon 11/21:45 pm
BKK
- ONT
1 stop17h 10m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$778
This oojo deal was found by Cheapflights users on 7/28. 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.
Mon 8/1011:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Thu 9/105:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$779
Best flights from Ontario to AsiaDiscover carefully curated flight deals from Ontario to Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Ontario to Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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 8/276:20 am
ONT
- BKK
2 stops27h 15m
Delta
Thu 9/39:50 am
BKK
- ONT
2 stops27h 44m
Delta
Deal found 7/27![Delta logo]()
$820
This Korean Air deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 am
ONT
- BKK
2 stops41h 05m
Korean Air
Sun 11/159:40 am
BKK
- ONT
2 stops46h 33m
Korean Air
Deal found 7/29![Korean Air logo]()
$838
This China Airlines deal was found by Cheapflights users on 7/27. 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 9/312:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Fri 9/119:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/27![China Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 9/191:18 pm
ONT
- MNL
2 stops25h 37m
United Airlines
Sat 9/268:40 am
MNL
- ONT
1 stop24h 06m
United Airlines
Deal found 7/28![United Airlines logo]()
$890
This China Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:10 pm
ONT
- TPE
1 stop25h 00m
Multiple Airlines
Wed 10/289:35 pm
TPE
- ONT
Nonstop11h 30m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$926
This STARLUX Airlines deal was found by Cheapflights users on 7/27. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:30 pm
ONT
- SGN
1 stop27h 25m
STARLUX Airlines
Sun 9/276:05 pm
SGN
- ONT
1 stop37h 00m
STARLUX Airlines
Deal found 7/27![STARLUX Airlines logo]()
$1,045
This Qatar Airways deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:02 am
ONT
- DEL
2 stops38h 13m
Qatar Airways
Sun 10/259:15 pm
DEL
- ONT
2 stops33h 15m
Qatar Airways
Deal found 7/29![Qatar Airways logo]()
$1,215
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Thu 9/177:35 pm
ICN
- ONT
1 stop15h 28m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$1,462
This Turkish Airlines deal was found by Cheapflights users on 7/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:39 pm
ONT
- MNL
2 stops53h 31m
Turkish Airlines
Mon 9/219:25 pm
MNL
- ONT
2 stops62h 32m
Turkish Airlines
Deal found 7/28![Turkish Airlines logo]()
$1,569
This Delta deal was found by Cheapflights users on 7/28. 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 10/1811:56 am
ONT
- BKK
2 stops43h 49m
Delta
Mon 11/911:15 pm
BKK
- ONT
2 stops32h 58m
Delta
Deal found 7/28![Delta logo]()
$826
This China Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Thu 8/279:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/29![China Airlines logo]()
$861
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am
ONT
- BKK
2 stops41h 35m
Delta
Fri 11/69:40 am
BKK
- ONT
2 stops21h 43m
Delta
Deal found 7/29![Delta logo]()
$833
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am
ONT
- TPE
1 stop21h 45m
United Airlines
Mon 11/911:10 am
TPE
- ONT
1 stop22h 46m
United Airlines
Deal found 7/26![United Airlines logo]()
$922
This Korean Air deal was found by Cheapflights users on 7/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Fri 2/1212:55 am
BKK
- ONT
2 stops28h 02m
Korean Air
Deal found 7/28![Korean Air logo]()
$922
This China Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 am
ONT
- SGN
1 stop19h 50m
China Airlines
Tue 12/811:00 am
SGN
- ONT
1 stop21h 05m
China Airlines
Deal found 7/29![China Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:01 am
ONT
- TPE
1 stop18h 44m
United Airlines
Thu 9/109:50 am
TPE
- ONT
1 stop17h 22m
United Airlines
Deal found 7/27![United Airlines logo]()
$922
This Korean Air deal was found by Cheapflights users on 7/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:00 am
ONT
- BKK
2 stops25h 20m
Korean Air
Fri 2/1211:15 pm
BKK
- ONT
2 stops29h 42m
Korean Air
Deal found 7/26![Korean Air logo]()
$922
This China Airlines deal was found by Cheapflights users on 7/28. 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 10/1712:10 am
ONT
- SGN
1 stop19h 30m
China Airlines
Mon 11/911:00 am
SGN
- ONT
1 stop21h 05m
China Airlines
Deal found 7/28![China Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/308:03 am
ONT
- TPE
1 stop19h 42m
United Airlines
Tue 11/1711:10 am
TPE
- ONT
1 stop20h 23m
United Airlines
Deal found 7/28![United Airlines logo]()
$922
This Korean Air deal was found by Cheapflights users on 7/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Sun 2/149:30 pm
BKK
- ONT
2 stops31h 27m
Korean Air
Deal found 7/25![Korean Air logo]()
$922
This China Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/912:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Sun 8/162:40 am
BKK
- ONT
1 stop30h 00m
China Airlines
Deal found 7/25![China Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:01 am
ONT
- TPE
1 stop18h 44m
United Airlines
Tue 9/159:50 am
TPE
- ONT
1 stop19h 11m
United Airlines
Deal found 7/27![United Airlines logo]()
$922
This EVA Air deal was found by Cheapflights users on 7/27. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:13 am
ONT
- NRT
2 stops33h 12m
Multiple Airlines
Tue 10/201:25 pm
NRT
- ONT
2 stops36h 52m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,305
This Qatar Airways deal was found by Cheapflights users on 7/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:13 am
ONT
- ICN
2 stops37h 52m
Qatar Airways
Mon 11/212:20 am
ICN
- ONT
2 stops39h 34m
Qatar Airways
Deal found 7/25![Qatar Airways logo]()
$1,309
This China Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:50 pm
ONT
- SGN
1 stop20h 10m
China Airlines
Mon 12/711:00 am
SGN
- ONT
1 stop21h 05m
China Airlines
Deal found 7/29![China Airlines logo]()
$909
This Korean Air deal was found by Cheapflights users on 7/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:20 am
ONT
- SGN
2 stops25h 50m
Korean Air
Mon 9/147:30 am
SGN
- ONT
2 stops23h 49m
Korean Air
Deal found 7/27![Korean Air logo]()
$1,005
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 am
ONT
- TPE
1 stop21h 50m
United Airlines
Sun 11/811:20 pm
TPE
- ONT
1 stop15h 28m
United Airlines
Deal found 7/25![United Airlines logo]()
$922
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:04 am
ONT
- ICN
1 stop17h 51m
Delta
Fri 11/276:45 pm
ICN
- ONT
1 stop15h 28m
Delta
Deal found 7/26![Delta logo]()
$1,157
This Qatar Airways deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:00 pm
ONT
- ICN
2 stops37h 05m
Qatar Airways
Tue 9/151:20 am
ICN
- ONT
2 stops33h 43m
Qatar Airways
Deal found 7/29![Qatar Airways logo]()
$1,309
This China Airlines deal was found by Cheapflights users on 7/26. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Wed 12/210:55 am
BKK
- ONT
1 stop21h 10m
China Airlines
Deal found 7/26![China Airlines logo]()
$913
Last-minute flights from Ontario to AsiaDiscover last-minute flight deals from Ontario to Asia. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Asia. Data last updated July 30, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/28. 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.
Mon 8/311:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Tue 11/35:40 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 7/28. 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.
Mon 8/1011:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Thu 9/105:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$779
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Wed 8/261:10 pm
BKK
- ONT
1 stop18h 30m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$795
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Fri 8/281:10 pm
BKK
- ONT
1 stop18h 30m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$777
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Wed 8/261:10 pm
BKK
- ONT
1 stop18h 30m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$784
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Sat 9/56:00 pm
ICN
- ONT
2 stops32h 04m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$783
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Mon 9/71:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/30![STARLUX Airlines logo]()
$774
This oojo deal was found by Cheapflights users on 7/28. 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.
Wed 8/2611:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Tue 9/155:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/28![STARLUX Airlines logo]()
$781
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:55 pm
ONT
- BKK
1 stop22h 05m
STARLUX Airlines
Wed 9/91:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$775
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Sat 9/56:00 pm
ICN
- ONT
2 stops30h 03m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$798
This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 9/142:35 am
BKK
- ONT
2 stops34h 05m
Korean Air
Deal found 7/28![Korean Air logo]()
$757
This Kissandfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Tue 9/155:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$772
One-way flights from Ontario to AsiaSearch for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/27. 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 8/178:58 am
ONT
- NRT
1 stop19h 02m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$289
This Trip.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/208:48 am
ONT
- NRT
1 stop19h 12m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$291
This SmartFares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Deal found 7/29![China Airlines logo]()
$372
This Trip.com deal was found by Cheapflights users on 7/28. 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 9/1412:07 pm
ONT
- ICN
1 stop17h 33m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$372
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Mon 9/78:48 am
ONT
- NRT
1 stop19h 12m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$374
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:48 am
ONT
- ICN
1 stop20h 52m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$376
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:55 pm
ONT
- SGN
1 stop27h 00m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$378
This Super.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:55 pm
ONT
- TPE
Nonstop13h 30m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$380
This Super.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:55 pm
ONT
- TPE
Nonstop13h 30m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$381
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 pm
ONT
- SGN
1 stop20h 45m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$382
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2810:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Deal found 7/29![China Airlines logo]()
$383
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:55 pm
ONT
- BKK
1 stop26h 45m
STARLUX Airlines
Deal found 7/29![STARLUX Airlines logo]()
$384
Find flight deals from Ontario to Asia
Keep the following information in mind while searching for Ontario to Asia flight deals. Data was last updated July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $737 (Trip.com) |
One-way from | $289 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,108 |
Good round-trip deal | $907 or less |
Good one-way deal | $487 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from Ontario to Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 8/27
6:20 am-11:35 pm
2 stops27h 15m
Bangkok Suvarnabhumi
Thu 9/3
9:50 am-11:34 pm
2 stops27h 44m
$820
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 10/18
11:56 am-9:45 pm
2 stops43h 49m
Bangkok Suvarnabhumi
Mon 11/9
11:15 pm-5:13 pm
2 stops32h 58m
$826
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Wed 10/21
6:00 am-1:35 pm
2 stops41h 35m
Bangkok Suvarnabhumi
Fri 11/6
9:40 am-4:23 pm
2 stops21h 43m
$833
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Fri 10/30
6:20 am-1:25 pm
2 stops41h 05m
Bangkok Suvarnabhumi
Sun 11/15
9:40 am-5:13 pm
2 stops46h 33m
$838
Quickest round-trip
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Thu 9/3
12:45 am-5:05 am
Nonstop13h 20m
Taipei City Taiwan Taoyuan Intl
Fri 9/11
9:10 pm-6:40 pm
Nonstop12h 30m
$861
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Fri 8/21
12:45 am-5:05 am
Nonstop13h 20m
Taipei City Taiwan Taoyuan Intl
Thu 8/27
9:10 pm-6:40 pm
Nonstop12h 30m
$861
OntarioHo Chi Minh City
ONT - SGN
ONTSGN
Ontario
Fri 10/23
12:10 am-10:00 am
1 stop19h 50m
Ho Chi Minh City
Tue 12/8
11:00 am-5:05 pm
1 stop21h 05m
$879
OntarioHo Chi Minh City
ONT - SGN
ONTSGN
Ontario
Sat 10/17
12:10 am-9:40 am
1 stop19h 30m
Ho Chi Minh City
Mon 11/9
11:00 am-5:05 pm
1 stop21h 05m
$879
OntarioManila
ONT - MNL
ONTMNL
Ontario
Sat 9/19
1:18 pm-5:55 am
2 stops25h 37m
Manila Ninoy Aquino Intl
Sat 9/26
8:40 am-5:46 pm
1 stop24h 06m
$890
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Sun 8/9
12:45 am-9:45 am
1 stop19h 00m
Bangkok Suvarnabhumi
Sun 8/16
2:40 am-6:40 pm
1 stop30h 00m
$897
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Asia
Have a flexible travel schedule? Discover the best time to fly to Asia from Ontario with our price prediction graph.
ONT-BKK
ONT-TPE
ONT-MNL
ONT-SGN
ONT-DEL
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 Asia
ONT-AS0
ONT-BKK
ONT-TPE
ONT-MNL
ONT-SGN
What is the cheapest month to book a flight from Ontario to Asia?
Currently, February is the cheapest month in which you can book a flight from Ontario to Asia (average of $754). Flying from Ontario to Asia in December is currently the most expensive (average of $1,407). 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.
What is the cheapest time of day to fly from ONT to AS?
Find hourly flight availability from Ontario to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Asia as you normally would.
How far ahead should I book a flight from Ontario to Asia?
To ensure you get the cheapest price possible for a flight from Ontario to Asia, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Asia
Get insights into the airlines that provide service to Asia. 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 Asia. Reviews last updated July 30, 2026.
Read reviews from past customers who have flown STARLUX Airlines,Korean Air, andChina Airlines from Ontario to Asia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.9
Overall
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Entertainment
8.7
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Overall
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Entertainment
8.7
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Overall
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Entertainment
8.7
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Overall
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Entertainment
8.7
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Overall
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Entertainment
8.7
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Overall
8.8
Comfort
8.8
Food
8.6
Crew
9.1
Entertainment
8.7
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Ontario to Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Asia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Asia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Asia by cabin class
Find flights from Ontario to Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Asia flights
Browse other Ontario and Asia flight options. Last updated on July 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Asia countries
Consider these flights traveling to countries located in Asia.
Ontario to Asia flights
Consider these flights traveling from Ontario to Asia.
Top 8 airlines flying from Ontario to Asia
Discover the top 8 airlines that operate flights from Ontario to Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$983 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$837 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$509 | Average$1,154 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$646 | Average$969 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$647 | Average$1,209 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$651 | Average$991 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$706 | Average$1,359 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$783 | Average$990 | FlexibilityNo cancel fee | On-time71% |