$396+ Cheap flights from Ontario (ONT) to Vietnam
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SGN
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Vietnam with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Vietnam
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Cheapest flights from Ontario to VietnamExplore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Sat 9/511:30 pm -
1 stop27h 25m
Mon 9/1411:30 am -
1 stop19h 35m
Deal found 8/17![STARLUX Airlines logo]()
$754
This Gotogate deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/2411:55 pm -
1 stop27h 00m
Fri 11/611:40 am -
1 stop19h 15m
Deal found 8/15![STARLUX Airlines logo]()
$755
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Sat 9/1911:30 pm -
1 stop20h 45m
Sun 3/75:50 pm -
1 stop37h 05m
Deal found 8/14![STARLUX Airlines logo]()
$756
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 -
1 stop27h 25m
Sun 12/205:50 pm -
1 stop37h 05m
Deal found 8/13![STARLUX Airlines logo]()
$757
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/511:30 pm -
1 stop20h 45m
Sat 10/1011:30 am -
1 stop19h 35m
Deal found 8/14![STARLUX Airlines logo]()
$758
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/911:30 pm -
1 stop27h 25m
Sun 10/186:05 pm -
1 stop37h 00m
Deal found 8/13![STARLUX Airlines logo]()
$759
This Gotogate deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Fri 10/211:30 pm -
1 stop20h 45m
Fri 10/911:30 am -
1 stop19h 35m
Deal found 8/16![STARLUX Airlines logo]()
$761
This Gotogate deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Wed 11/49:45 pm -
1 stop21h 45m
Thu 12/35:50 pm -
1 stop37h 05m
Deal found 8/16![STARLUX Airlines logo]()
$763
This SmartFares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 pm -
1 stop27h 20m
Mon 10/511:10 am -
1 stop19h 55m
Deal found 8/15![STARLUX Airlines logo]()
$764
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Sat 11/289:45 pm -
1 stop21h 45m
Sat 2/2711:40 am -
1 stop19h 15m
Deal found 8/14![STARLUX Airlines logo]()
$768
This KAYAK deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/1411:30 pm -
1 stop20h 45m
Thu 10/295:50 pm -
1 stop37h 05m
Deal found 8/14![STARLUX Airlines logo]()
$775
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/2111:55 pm -
1 stop27h 40m
Tue 9/16:45 pm -
1 stop36h 20m
Deal found 8/16![STARLUX Airlines logo]()
$775
Best flights from Ontario to VietnamDiscover carefully curated flight deals from Ontario to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Ontario to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/257:04 am -
2 stops25h 16m
Sun 12/611:50 pm -
2 stops31h 40m
Deal found 8/15![Delta logo]()
$806
This STARLUX Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Mon 10/1911:30 pm -
1 stop28h 05m
Thu 10/226:45 pm -
1 stop36h 20m
Deal found 8/14![STARLUX Airlines logo]()
$810
This China Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:50 pm -
1 stop20h 10m
Tue 11/1011:00 am -
1 stop21h 05m
Deal found 8/14![China Airlines logo]()
$845
This Korean Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/187:04 am -
2 stops24h 21m
Thu 12/38:00 am -
2 stops24h 13m
Deal found 8/13![Korean Air logo]()
$848
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/256:00 am -
2 stops28h 15m
Sat 11/147:30 am -
2 stops19h 59m
Deal found 8/13![United Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/266:20 am -
2 stops26h 05m
Mon 11/302:05 pm -
2 stops42h 08m
Deal found 8/14![Delta logo]()
$806
This STARLUX Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Mon 8/3111:55 pm -
1 stop26h 55m
Mon 9/711:10 am -
1 stop19h 55m
Deal found 8/13![STARLUX Airlines logo]()
$815
This China Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 pm -
1 stop20h 10m
Sat 12/1211:00 am -
1 stop21h 05m
Deal found 8/13![China Airlines logo]()
$845
This Korean Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Sat 11/217:04 am -
2 stops38h 46m
Sat 12/1211:50 pm -
2 stops32h 23m
Deal found 8/13![Korean Air logo]()
$848
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:01 pm -
2 stops38h 19m
Sun 12/62:05 pm -
2 stops42h 08m
Deal found 8/14![Delta logo]()
$812
This China Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 pm -
1 stop20h 10m
Sun 12/135:15 pm -
1 stop38h 50m
Deal found 8/13![China Airlines logo]()
$845
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/29:01 am -
2 stops25h 14m
Sat 9/57:00 am -
2 stops22h 41m
Deal found 8/15![United Airlines logo]()
$933
This Korean Air deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Sat 9/126:00 am -
2 stops38h 35m
Tue 9/1511:10 pm -
2 stops32h 09m
Deal found 8/15![Korean Air logo]()
$881
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/176:00 am -
2 stops24h 45m
Wed 11/2511:05 pm -
2 stops33h 08m
Deal found 8/12![Delta logo]()
$825
This China Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/1112:45 am -
1 stop19h 45m
Tue 9/155:50 pm -
1 stop38h 10m
Deal found 8/15![China Airlines logo]()
$877
This Korean Air deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/86:20 am -
2 stops26h 55m
Sat 11/2111:50 pm -
2 stops32h 23m
Deal found 8/12![Korean Air logo]()
$898
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 11/176:00 am -
2 stops24h 45m
Tue 12/111:05 pm -
2 stops32h 25m
Deal found 8/16![Delta logo]()
$825
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops24h 45m
Wed 11/2511:05 pm -
2 stops33h 08m
Deal found 8/16![Delta logo]()
$825
This Korean Air deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/196:20 am -
2 stops42h 00m
Thu 10/223:55 pm -
2 stops39h 17m
Deal found 8/14![Korean Air logo]()
$912
This China Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:50 pm -
1 stop26h 40m
Fri 11/2711:35 am -
1 stop20h 30m
Deal found 8/16![China Airlines logo]()
$926
This Korean Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/307:04 am -
2 stops40h 11m
Sun 1/313:45 pm -
2 stops37h 12m
Deal found 8/13![Korean Air logo]()
$912
This China Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 11/1510:50 pm -
1 stop26h 40m
Fri 11/2711:35 am -
1 stop20h 30m
Deal found 8/16![China Airlines logo]()
$926
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/266:00 am -
2 stops25h 45m
Sat 11/2111:05 pm -
2 stops38h 55m
Deal found 8/14![Delta logo]()
$875
This China Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 10/1812:10 am -
1 stop26h 20m
Thu 10/2210:00 am -
1 stop22h 00m
Deal found 8/15![China Airlines logo]()
$939
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 10/146:20 am -
2 stops25h 50m
Wed 11/188:00 am -
2 stops24h 13m
Deal found 8/15![Delta logo]()
$876
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/66:00 am -
2 stops25h 05m
Sat 9/1910:55 pm -
2 stops37h 45m
Deal found 8/16![Delta logo]()
$906
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/16:00 am -
2 stops25h 05m
Thu 10/810:55 pm -
2 stops39h 00m
Deal found 8/17![Delta logo]()
$956
Last-minute flights from Ontario to VietnamDiscover last-minute flight deals from Ontario to Vietnam. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Vietnam. Data last updated August 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/1711:55 pm -
1 stop26h 55m
Thu 8/275:50 pm -
1 stop37h 50m
Deal found 8/16![STARLUX Airlines logo]()
$781
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/2111:55 pm -
1 stop27h 40m
Tue 9/16:45 pm -
1 stop36h 20m
Deal found 8/16![STARLUX Airlines logo]()
$775
This Gotogate deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/2411:55 pm -
1 stop27h 00m
Fri 11/611:40 am -
1 stop19h 15m
Deal found 8/15![STARLUX Airlines logo]()
$755
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/211:30 pm -
1 stop27h 25m
Fri 9/256:05 pm -
1 stop37h 00m
Deal found 8/16![STARLUX Airlines logo]()
$759
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Sat 9/511:30 pm -
1 stop27h 25m
Mon 9/1411:30 am -
1 stop19h 35m
Deal found 8/17![STARLUX Airlines logo]()
$754
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/511:30 pm -
1 stop20h 45m
Sat 10/1011:30 am -
1 stop19h 35m
Deal found 8/14![STARLUX Airlines logo]()
$758
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/711:30 pm -
1 stop27h 20m
Mon 9/1411:10 am -
1 stop19h 55m
Deal found 8/13![STARLUX Airlines logo]()
$782
This Justfly.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:30 pm -
1 stop28h 05m
Tue 11/176:25 pm -
1 stop36h 30m
Deal found 8/14![STARLUX Airlines logo]()
$777
This Globehunters deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am -
1 stop18h 55m
Thu 9/175:30 pm -
1 stop38h 30m
Deal found 8/13![China Airlines logo]()
$785
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 -
1 stop27h 25m
Sun 12/205:50 pm -
1 stop37h 05m
Deal found 8/13![STARLUX Airlines logo]()
$757
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Sat 9/1911:30 pm -
1 stop20h 45m
Sun 3/75:50 pm -
1 stop37h 05m
Deal found 8/14![STARLUX Airlines logo]()
$756
This SmartFares deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 pm -
1 stop27h 20m
Mon 10/511:10 am -
1 stop19h 55m
Deal found 8/15![STARLUX Airlines logo]()
$764
One-way flights from Ontario to VietnamSearch for one-way flight options from Ontario to Vietnam. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Ontario to Vietnam. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kissandfly.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Fri 10/1611:30 pm -
1 stop20h 45m
Deal found 8/13![STARLUX Airlines logo]()
$396
This lol.travel deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Wed 9/166:00 am -
2 stops25h 35m
Deal found 8/14![Korean Air logo]()
$401
This Mytrip deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 pm -
1 stop20h 45m
Deal found 8/17![STARLUX Airlines logo]()
$403
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:30 pm -
1 stop20h 45m
Deal found 8/13![STARLUX Airlines logo]()
$404
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Wed 11/119:45 pm -
1 stop21h 45m
Deal found 8/13![STARLUX Airlines logo]()
$405
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2611:30 pm -
1 stop27h 25m
Deal found 8/12![STARLUX Airlines logo]()
$407
This Mytrip deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:30 pm -
1 stop20h 45m
Deal found 8/15![STARLUX Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/156:00 am -
2 stops25h 35m
Deal found 8/14![Delta logo]()
$414
This CheapOair deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am -
1 stop18h 55m
Deal found 8/12![China Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops24h 45m
Deal found 8/17![Delta logo]()
$419
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Wed 11/119:45 pm -
1 stop28h 30m
Deal found 8/13![STARLUX Airlines logo]()
$420
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Wed 8/2611:55 pm -
1 stop20h 15m
Deal found 8/12![STARLUX Airlines logo]()
$420
Find flight deals from Ontario to Vietnam
Keep the following information in mind while searching for Ontario to Vietnam flight deals. Data was last updated August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $754 (FlightHub) |
One-way from | $396 (Kissandfly.com) |
Popular in | December |
Cheapest in | March |
Average price | $754 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Vietnam 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 August 17, 2026.
Use the filters below to find and compare flights from Ontario to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Wed 11/25
7:04 am-11:20 pm
2 stops25h 16m
Ho Chi Minh City
Sun 12/6
11:50 pm-4:30 pm
2 stops31h 40m
$806
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Mon 10/26
6:20 am-10:25 pm
2 stops26h 05m
Ho Chi Minh City
Mon 11/30
2:05 pm-5:13 pm
2 stops42h 08m
$806
OntarioDa Nang
ONT Ontario - DAD Da Nang
ONTDAD
Ontario
Mon 10/19
11:30 pm-5:35 pm
1 stop28h 05m
Da Nang
Thu 10/22
6:45 pm-5:05 pm
1 stop36h 20m
$810
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Mon 11/2
6:01 pm-11:20 pm
2 stops38h 19m
Ho Chi Minh City
Sun 12/6
2:05 pm-5:13 pm
2 stops42h 08m
$812
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Mon 8/31
11:55 pm-4:50 pm
1 stop26h 55m
Hanoi Noibai
Mon 9/7
11:10 am-5:05 pm
1 stop19h 55m
$815
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Tue 11/17
6:00 am-9:45 pm
2 stops24h 45m
Hanoi Noibai
Wed 11/25
11:05 pm-5:13 pm
2 stops33h 08m
$825
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Tue 11/17
6:00 am-9:45 pm
2 stops24h 45m
Hanoi Noibai
Tue 12/1
11:05 pm-4:30 pm
2 stops32h 25m
$825
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Mon 11/16
6:00 am-9:45 pm
2 stops24h 45m
Hanoi Noibai
Wed 11/25
11:05 pm-5:13 pm
2 stops33h 08m
$825
Quickest round-trip
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Mon 10/26
11:50 pm-10:00 am
1 stop20h 10m
Ho Chi Minh City
Tue 11/10
11:00 am-5:05 pm
1 stop21h 05m
$845
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Mon 11/23
10:50 pm-10:00 am
1 stop20h 10m
Ho Chi Minh City
Sat 12/12
11:00 am-5:05 pm
1 stop21h 05m
$845
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Ontario to Vietnam
Have a flexible travel schedule? Discover the best time to fly to Vietnam from Ontario with our price prediction graph.
ONT-SGN
ONT-DAD
ONT-HAN
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 Vietnam
ONT-VN0
ONT-SGN
ONT-DAD
ONT-HAN
What is the cheapest month to book a flight from Ontario to Vietnam?
Currently, March is the cheapest month in which you can book a flight from Ontario to Vietnam (average of $737). Flying from Ontario to Vietnam in December is currently the most expensive (average of $1,601). 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.
How far ahead should I book a flight from Ontario to Vietnam?
The best time to book flights from Ontario to Vietnam is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Vietnam
Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated August 17, 2026.
See what other customers who have flown with STARLUX Airlines,Korean Air, andChina Airlines from Ontario to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
9.1
Overall
8.8
Food
8.6
Comfort
8.8
Boarding
8.9
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Overall
8.8
Food
8.6
Comfort
8.8
Boarding
8.9
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Overall
8.8
Food
8.6
Comfort
8.8
Boarding
8.9
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Overall
8.8
Food
8.6
Comfort
8.8
Boarding
8.9
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Overall
8.8
Food
8.6
Comfort
8.8
Boarding
8.9
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Crew
9.1
Overall
8.8
Food
8.6
Comfort
8.8
Boarding
8.9
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Related info for your journey
Find useful and relevant information for your journey from Ontario to Vietnam. 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 Vietnam
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Complete your trip
Complete your trip to Vietnam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Vietnam by cabin class
Find flights from Ontario to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Vietnam flights
Browse other Ontario and Vietnam flight options. Last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Vietnam flights
Consider these flights traveling from Ontario to Vietnam.
Fly to Vietnam regions
Consider these flights traveling to Vietnam regions.
Top 5 airlines flying from Ontario to Vietnam
Discover the top 5 airlines that operate flights from Ontario to Vietnam. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$611 | Average$868 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$656 | Average$755 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$691 | Average$825 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$917 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$741 | Average$928 | FlexibilityNo cancel fee | On-timeN/A |