$397+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Aug 7 — Aug 141
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Asia with Cheapflights
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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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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 8, 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 8, 2026.
This lol.travel deal was found by Cheapflights users on 7/5. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 8/242:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 7/5![Korean Air logo]()
$769
This lol.travel deal was found by Cheapflights users on 7/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Sun 8/232:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 7/4![Korean Air logo]()
$770
This Delta deal was found by Cheapflights users on 7/3. 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.
Mon 9/146:20 am
ONT
- BKK
2 stops25h 25m
Delta
Tue 9/299:50 am
BKK
- ONT
2 stops26h 50m
Delta
Deal found 7/3![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ONT
- BKK
2 stops29h 05m
Delta
Wed 9/302:35 am
BKK
- ONT
2 stops34h 05m
Delta
Deal found 7/8![Delta logo]()
$821
This Korean Air deal was found by Cheapflights users on 7/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Sun 11/112:55 am
BKK
- ONT
2 stops31h 17m
Korean Air
Deal found 7/8![Korean Air logo]()
$826
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:52 pm
ONT
- BKK
2 stops60h 38m
Delta
Mon 11/99:40 am
BKK
- ONT
2 stops21h 32m
Delta
Deal found 7/7![Delta logo]()
$827
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:56 am
ONT
- BKK
2 stops66h 34m
Delta
Sun 11/811:15 pm
BKK
- ONT
2 stops52h 15m
Delta
Deal found 7/7![Delta logo]()
$833
This Korean Air deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Sun 1/2411:15 pm
BKK
- ONT
2 stops29h 42m
Korean Air
Deal found 7/3![Korean Air logo]()
$844
This Super.com deal was found by Cheapflights users on 7/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Sun 8/309:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/5![China Airlines logo]()
$887
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Tue 2/169:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 7/6![China Airlines logo]()
$888
This Gotogate deal was found by Cheapflights users on 7/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:30 pm
ONT
- TPE
Nonstop14h 05m
STARLUX Airlines
Wed 10/218:05 pm
TPE
- ONT
Nonstop12h 00m
STARLUX Airlines
Deal found 7/6![STARLUX Airlines logo]()
$889
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:10 am
ONT
- TPE
Nonstop14h 05m
China Airlines
Mon 11/99:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 7/6![China Airlines logo]()
$890
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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 9/166:20 am
ONT
- BKK
2 stops25h 25m
Delta
Tue 9/299:50 am
BKK
- ONT
2 stops26h 50m
Delta
Deal found 7/3![Delta logo]()
$820
This Korean Air deal was found by Cheapflights users on 7/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Thu 10/299:40 am
BKK
- ONT
2 stops21h 32m
Korean Air
Deal found 7/7![Korean Air logo]()
$876
This China Airlines deal was found by Cheapflights users on 7/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Mon 11/99:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 7/4![China Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:20 pm
ONT
- BKK
2 stops27h 15m
United Airlines
Thu 8/207:00 am
BKK
- ONT
2 stops25h 11m
United Airlines
Deal found 7/6![United Airlines logo]()
$955
This China Airlines deal was found by Cheapflights users on 7/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:40 pm
ONT
- TPE
1 stop23h 30m
Multiple Airlines
Mon 9/149:10 pm
TPE
- ONT
Nonstop12h 30m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$978
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Wed 9/167:35 pm
ICN
- ONT
2 stops30h 16m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$1,229
This Turkish Airlines deal was found by Cheapflights users on 7/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:59 pm
ONT
- DEL
2 stops40h 21m
Turkish Airlines
Fri 9/186:30 am
DEL
- ONT
2 stops50h 13m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$1,412
This Delta deal was found by Cheapflights users on 7/4. 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.
Wed 10/76:00 am
ONT
- BKK
2 stops25h 45m
Delta
Mon 11/29:40 am
BKK
- ONT
2 stops22h 32m
Delta
Deal found 7/4![Delta logo]()
$821
This Qatar Airways deal was found by Cheapflights users on 7/3. 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.
Sun 9/62:27 pm
ONT
- HND
2 stops41h 38m
Qatar Airways
Sat 9/121:35 am
HND
- ONT
2 stops33h 18m
Qatar Airways
Deal found 7/3![Qatar Airways logo]()
$1,783
This China Airlines deal was found by Cheapflights users on 7/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Mon 11/99:25 pm
TPE
- ONT
Nonstop11h 25m
China Airlines
Deal found 7/4![China Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 7/4. 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.
Thu 9/176:20 am
ONT
- BKK
2 stops25h 25m
Delta
Tue 12/89:40 am
BKK
- ONT
2 stops21h 32m
Delta
Deal found 7/4![Delta logo]()
$821
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:00 am
ONT
- BKK
2 stops28h 55m
United Airlines
Mon 9/219:35 am
BKK
- ONT
2 stops24h 26m
United Airlines
Deal found 7/4![United Airlines logo]()
$998
This China Airlines deal was found by Cheapflights users on 7/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:20 pm
ONT
- TPE
1 stop19h 10m
Multiple Airlines
Mon 11/309:25 pm
TPE
- ONT
Nonstop11h 25m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,004
This Korean Air deal was found by Cheapflights users on 7/4. 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.
Mon 8/106:20 am
ONT
- SGN
2 stops25h 50m
Korean Air
Sun 8/2311:45 pm
SGN
- ONT
2 stops31h 36m
Korean Air
Deal found 7/4![Korean Air logo]()
$1,016
This China Airlines deal was found by Cheapflights users on 7/7. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Wed 9/239:10 pm
TPE
- ONT
Nonstop11h 50m
China Airlines
Deal found 7/7![China Airlines logo]()
$959
This Etihad Airways deal was found by Cheapflights users on 7/6. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:51 pm
ONT
- DEL
2 stops30h 59m
Etihad Airways
Tue 8/119:15 pm
DEL
- ONT
2 stops37h 52m
Etihad Airways
Deal found 7/6![Etihad Airways logo]()
$2,120
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:00 am
ONT
- BKK
2 stops28h 55m
United Airlines
Thu 9/177:00 am
BKK
- ONT
2 stops25h 11m
United Airlines
Deal found 7/4![United Airlines logo]()
$1,000
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:02 am
ONT
- NRT
1 stop17h 58m
Multiple Airlines
Thu 10/156:00 pm
NRT
- ONT
1 stop16h 03m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,061
This Korean Air deal was found by Cheapflights users on 7/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:20 am
ONT
- MNL
2 stops26h 39m
Korean Air
Sun 12/1312:30 pm
MNL
- ONT
2 stops44h 47m
Korean Air
Deal found 7/6![Korean Air logo]()
$1,066
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:20 am
ONT
- TPE
1 stop22h 35m
Delta
Tue 8/119:10 am
TPE
- ONT
1 stop17h 06m
Delta
Deal found 7/7![Delta logo]()
$971
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 9/169:01 am
ONT
- SGN
2 stops23h 04m
United Airlines
Wed 10/77:00 am
SGN
- ONT
2 stops22h 22m
United Airlines
Deal found 7/3![United Airlines logo]()
$1,011
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:02 am
ONT
- ICN
1 stop19h 28m
Alaska Airlines
Sun 10/187:35 pm
ICN
- ONT
2 stops20h 18m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$1,229
This China Airlines deal was found by Cheapflights users on 7/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Mon 12/710:55 am
BKK
- ONT
1 stop20h 55m
China Airlines
Deal found 7/4![China Airlines logo]()
$1,023
This Korean Air deal was found by Cheapflights users on 7/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:20 am
ONT
- MNL
2 stops37h 35m
Korean Air
Wed 12/1612:55 am
MNL
- ONT
2 stops32h 22m
Korean Air
Deal found 7/6![Korean Air logo]()
$1,066
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 9/16:20 am
ONT
- TPE
1 stop22h 35m
Delta
Wed 9/309:35 am
TPE
- ONT
2 stops22h 00m
Delta
Deal found 7/6![Delta logo]()
$975
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Tue 9/16:08 am
ONT
- TPE
1 stop30h 57m
United Airlines
Tue 9/292:30 pm
TPE
- ONT
1 stop21h 01m
United Airlines
Deal found 7/7![United Airlines logo]()
$1,011
This China Airlines deal was found by Cheapflights users on 7/5. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:10 am
ONT
- SGN
1 stop19h 30m
China Airlines
Sun 11/811:00 am
SGN
- ONT
1 stop20h 50m
China Airlines
Deal found 7/5![China Airlines logo]()
$1,054
This Delta deal was found by Cheapflights users on 7/6. 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.
Sun 9/65:05 pm
ONT
- TPE
2 stops35h 50m
Delta
Mon 9/219:35 am
TPE
- ONT
2 stops17h 39m
Delta
Deal found 7/6![Delta logo]()
$975
This Korean Air deal was found by Cheapflights users on 7/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
ONT
- MNL
2 stops28h 55m
Korean Air
Thu 12/1712:30 pm
MNL
- ONT
2 stops20h 47m
Korean Air
Deal found 7/6![Korean Air logo]()
$1,116
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:01 am
ONT
- TPE
1 stop18h 44m
United Airlines
Mon 9/79:50 am
TPE
- ONT
1 stop17h 22m
United Airlines
Deal found 7/3![United Airlines logo]()
$1,022
Last-minute flights from Ontario to AsiaDiscover last-minute flight deals from Ontario to Asia. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Asia. Data last updated July 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:40 am
ONT
- BKK
2 stops46h 05m
Delta
Wed 9/29:50 am
BKK
- ONT
2 stops26h 33m
Delta
Deal found 7/7![Delta logo]()
$827
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:10 pm
ONT
- BKK
2 stops38h 35m
Delta
Fri 8/2811:30 pm
BKK
- ONT
2 stops36h 53m
Delta
Deal found 7/7![Delta logo]()
$871
This flugladen.de deal was found by Cheapflights users on 7/6. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Tue 8/189:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/6![China Airlines logo]()
$893
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
ONT
- BKK
2 stops27h 35m
Delta
Wed 9/211:30 pm
BKK
- ONT
2 stops38h 04m
Delta
Deal found 7/7![Delta logo]()
$821
This Super.com deal was found by Cheapflights users on 7/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Sun 8/309:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/5![China Airlines logo]()
$887
This lol.travel deal was found by Cheapflights users on 7/5. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Mon 8/242:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 7/5![Korean Air logo]()
$769
This lol.travel deal was found by Cheapflights users on 7/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Sun 8/232:35 am
BKK
- ONT
2 stops34h 10m
Korean Air
Deal found 7/4![Korean Air logo]()
$770
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Mon 8/319:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/6![China Airlines logo]()
$888
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:45 am
ONT
- TPE
Nonstop13h 20m
China Airlines
Tue 9/89:10 pm
TPE
- ONT
Nonstop12h 30m
China Airlines
Deal found 7/6![China Airlines logo]()
$890
This Korean Air deal was found by Cheapflights users on 7/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Thu 8/202:35 am
BKK
- ONT
2 stops28h 46m
Korean Air
Deal found 7/5![Korean Air logo]()
$870
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- BKK
2 stops27h 35m
Delta
Sat 8/292:35 am
BKK
- ONT
2 stops34h 59m
Delta
Deal found 7/8![Delta logo]()
$865
This Korean Air deal was found by Cheapflights users on 7/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Wed 8/262:35 am
BKK
- ONT
2 stops28h 46m
Korean Air
Deal found 7/6![Korean Air logo]()
$826
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 8, 2026.
Search for one-way flight options from Ontario to Asia. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Trip.com deal was found by Cheapflights users on 7/3. 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.
Sat 8/298:48 am
ONT
- ICN
1 stop19h 22m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$397
This SmartFares deal was found by Cheapflights users on 7/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:00 am
ONT
- BKK
2 stops23h 30m
Korean Air
Deal found 7/5![Korean Air logo]()
$397
This SmartFares deal was found by Cheapflights users on 7/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Deal found 7/6![Korean Air logo]()
$398
This SmartFares deal was found by Cheapflights users on 7/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:20 am
ONT
- BKK
2 stops27h 15m
Korean Air
Deal found 7/5![Korean Air logo]()
$416
This Bravofly deal was found by Cheapflights users on 7/7. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Deal found 7/7![Korean Air logo]()
$417
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- BKK
2 stops28h 45m
Delta
Deal found 7/8![Delta logo]()
$420
This Korean Air deal was found by Cheapflights users on 7/6. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am
ONT
- BKK
2 stops25h 25m
Korean Air
Deal found 7/6![Korean Air logo]()
$423
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 7/216:20 am
ONT
- BKK
2 stops28h 45m
Delta
Deal found 7/6![Delta logo]()
$428
This Korean Air deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:20 am
ONT
- BKK
2 stops24h 10m
Korean Air
Deal found 7/3![Korean Air logo]()
$430
This Trip.com deal was found by Cheapflights users on 7/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:58 am
ONT
- ICN
1 stop20h 42m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:00 pm
ONT
- BKK
2 stops46h 05m
Delta
Deal found 7/7![Delta logo]()
$439
This Super.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:50 pm
ONT
- TPE
Nonstop14h 40m
China Airlines
Deal found 7/3![China Airlines logo]()
$441
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $769 (lol.travel) |
One-way from | $397 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,033 |
Good round-trip deal | $973 or less |
Good one-way deal | $560 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 8, 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
Wed 9/16
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Tue 9/29
9:50 am-10:40 pm
2 stops26h 50m
$820
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Wed 10/7
6:00 am-9:45 pm
2 stops25h 45m
Bangkok Suvarnabhumi
Mon 11/2
9:40 am-5:12 pm
2 stops22h 32m
$821
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Thu 9/17
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Tue 12/8
9:40 am-4:12 pm
2 stops21h 32m
$821
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 10/13
6:20 am-9:45 pm
2 stops25h 25m
Bangkok Suvarnabhumi
Thu 10/29
9:40 am-5:12 pm
2 stops21h 32m
$876
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Wed 11/4
10:50 pm-5:30 am
Nonstop14h 40m
Taipei City Taiwan Taoyuan Intl
Mon 11/9
9:25 pm-4:50 pm
Nonstop11h 25m
$900
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Sun 11/1
10:50 pm-5:30 am
Nonstop14h 40m
Taipei City Taiwan Taoyuan Intl
Mon 11/9
9:25 pm-4:50 pm
Nonstop11h 25m
$900
OntarioBangkok
ONT - BKK
ONTBKK
Ontario
Tue 7/28
4:20 pm-9:35 am
2 stops27h 15m
Bangkok Suvarnabhumi
Thu 8/20
7:00 am-6:11 pm
2 stops25h 11m
$955
Quickest round-trip
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Sun 9/13
12:45 am-5:05 am
Nonstop13h 20m
Taipei City Taiwan Taoyuan Intl
Wed 9/23
9:10 pm-6:00 pm
Nonstop11h 50m
$959
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Wed 8/5
6:20 am-7:55 pm
1 stop22h 35m
Taipei City Taiwan Taoyuan Intl
Tue 8/11
9:10 am-11:16 am
1 stop17h 06m
$971
OntarioTaipei City
ONT - TPE
ONTTPE
Ontario
Tue 9/1
6:20 am-7:55 pm
1 stop22h 35m
Taipei City Taiwan Taoyuan Intl
Wed 9/30
9:35 am-4:35 pm
2 stops22h 00m
$975
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-ICN
ONT-DEL
ONT-HND
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-ICN
ONT-DEL
What is the cheapest month to book a flight from Ontario to Asia?
Currently, January is the cheapest month in which you can book a flight from Ontario to Asia (average of $715). Flying from Ontario to Asia in December is currently the most expensive (average of $1,458). 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 8, 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 8, 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
Comfort
8.9
Crew
9.2
Entertainment
8.8
Overall
8.8
Food
8.6
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Comfort
8.9
Crew
9.2
Entertainment
8.8
Overall
8.8
Food
8.6
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Comfort
8.9
Crew
9.2
Entertainment
8.8
Overall
8.8
Food
8.6
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Comfort
8.9
Crew
9.2
Entertainment
8.8
Overall
8.8
Food
8.6
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Comfort
8.9
Crew
9.2
Entertainment
8.8
Overall
8.8
Food
8.6
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Boarding
8.9
Comfort
8.9
Crew
9.2
Entertainment
8.8
Overall
8.8
Food
8.6
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.
Browse thousands of different options on Cheapflights for your next trip
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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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$984 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$509 | Average$1,159 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$611 | Average$797 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$646 | Average$960 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$647 | Average$1,209 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$651 | Average$1,027 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$754 | Average$1,359 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$783 | Average$990 | FlexibilityNo cancel fee | On-time71% |