$401+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SGN
Sep 27 — Oct 41
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 28, 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 28, 2026.
This Bravofly deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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.
Sun 11/1510:50 pm -
1 stop20h 10m
Sun 11/2211:00 am -
1 stop21h 05m
Deal found 8/24![China Airlines logo]()
$774
This SmartFares deal was found by Cheapflights users on 8/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:50 pm -
1 stop26h 25m
Tue 12/811:00 am -
1 stop21h 05m
Deal found 8/25![China Airlines logo]()
$779
This Vliegwinkel deal was found by Cheapflights users on 8/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:10 am -
1 stop19h 30m
Sun 10/410:50 am -
1 stop21h 10m
Deal found 8/25![China Airlines logo]()
$781
This Vliegwinkel deal was found by Cheapflights users on 8/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:45 am -
1 stop18h 55m
Sun 9/135:30 pm -
1 stop39h 10m
Deal found 8/25![China Airlines logo]()
$782
This Rumbo deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:45 am -
1 stop18h 55m
Tue 9/810:50 am -
1 stop21h 50m
Deal found 8/23![China Airlines logo]()
$784
This flugladen.de deal was found by Cheapflights users on 8/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:45 am -
1 stop18h 55m
Tue 9/1510:50 am -
1 stop21h 50m
Deal found 8/26![China Airlines logo]()
$794
This Gotogate deal was found by Cheapflights users on 8/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am -
1 stop18h 55m
Wed 9/235:30 pm -
1 stop38h 30m
Deal found 8/27![China Airlines logo]()
$798
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am -
1 stop18h 55m
Fri 9/411:20 am -
1 stop21h 20m
Deal found 8/26![Multiple Airlines logo]()
$799
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:45 am -
1 stop18h 55m
Fri 9/1810:50 am -
1 stop21h 10m
Deal found 8/27![China Airlines logo]()
$800
This Justfly.com deal was found by Cheapflights users on 8/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 pm -
1 stop27h 25m
Fri 10/305:50 pm -
1 stop37h 05m
Deal found 8/26![STARLUX Airlines logo]()
$802
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:30 pm -
1 stop27h 25m
Fri 10/211:30 am -
1 stop19h 35m
Deal found 8/27![STARLUX Airlines logo]()
$803
This Gotogate deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/212:45 am -
1 stop25h 35m
Thu 9/1010:50 am -
1 stop21h 50m
Deal found 8/23![China Airlines logo]()
$804
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 28, 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 28, 2026.
This Korean Air deal was found by Cheapflights users on 8/27. 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.
Mon 11/26:20 am -
2 stops25h 05m
Sun 12/62:05 pm -
2 stops42h 10m
Deal found 8/27![Korean Air logo]()
$812
This China Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/3111:50 pm -
1 stop20h 10m
Fri 11/2011:00 am -
1 stop21h 05m
Deal found 8/24![China Airlines logo]()
$845
This STARLUX Airlines deal was found by Cheapflights users on 8/27. 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.
Mon 10/1211:30 pm -
1 stop27h 20m
Mon 10/1911:10 am -
1 stop19h 55m
Deal found 8/27![STARLUX Airlines logo]()
$870
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 9/201:04 pm -
2 stops42h 31m
Sat 10/311:10 pm -
2 stops32h 09m
Deal found 8/27![Delta logo]()
$881
This United Airlines deal was found by Cheapflights users on 8/26. 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 2/126:00 am -
2 stops25h 55m
Fri 3/127:30 am -
2 stops19h 50m
Deal found 8/26![United Airlines logo]()
$892
This Mytrip deal was found by Cheapflights users on 8/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:10 am -
2 stops25h 45m
Fri 10/167:30 am -
2 stops24h 30m
Deal found 8/25![Multiple Airlines logo]()
$945
This China Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/210:50 pm -
1 stop19h 25m
Thu 11/510:25 am -
1 stop21h 40m
Deal found 8/24![China Airlines logo]()
$872
This Korean Air deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/86:00 am -
2 stops38h 35m
Fri 9/1111:10 pm -
2 stops32h 09m
Deal found 8/23![Korean Air logo]()
$881
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 11/276:00 am -
2 stops24h 50m
Wed 2/246:00 am -
2 stops24h 27m
Deal found 8/27![United Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/286:00 am -
2 stops41h 15m
Sun 2/73:45 pm -
2 stops45h 58m
Deal found 8/24![Delta logo]()
$907
This China Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/712:45 am -
1 stop26h 05m
Fri 9/115:50 pm -
1 stop38h 50m
Deal found 8/24![China Airlines logo]()
$877
This Mytrip deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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.
Thu 10/1512:10 am -
2 stops30h 35m
Sun 10/255:40 am -
2 stops26h 25m
Deal found 8/22![Multiple Airlines logo]()
$969
This Korean Air deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/136:00 am -
2 stops26h 10m
Sun 9/2711:45 pm -
2 stops31h 34m
Deal found 8/23![Korean Air logo]()
$882
This Delta deal was found by Cheapflights users on 8/26. 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.
Sun 10/1111:56 am -
2 stops43h 09m
Sun 10/1810:55 pm -
2 stops32h 17m
Deal found 8/26![Delta logo]()
$912
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/239:25 am -
2 stops24h 50m
Fri 11/207:30 am -
2 stops19h 59m
Deal found 8/26![United Airlines logo]()
$916
This oojo deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 2/199:45 pm -
1 stop28h 30m
Sun 3/146:25 pm -
1 stop36h 30m
Deal found 8/23![STARLUX Airlines logo]()
$1,026
This China Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 1/610:50 pm -
1 stop26h 25m
Thu 1/285:15 pm -
1 stop38h 50m
Deal found 8/24![China Airlines logo]()
$909
This Korean Air deal was found by Cheapflights users on 8/27. 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.
Wed 2/177:00 am -
2 stops40h 15m
Thu 3/43:45 pm -
2 stops45h 58m
Deal found 8/27![Korean Air logo]()
$912
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 9/219:01 am -
2 stops25h 14m
Wed 10/77:00 am -
2 stops22h 22m
Deal found 8/25![United Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 9/66:00 am -
2 stops25h 05m
Tue 9/2210:55 pm -
2 stops37h 45m
Deal found 8/27![Delta logo]()
$927
This China Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 2/1010:50 pm -
1 stop20h 10m
Mon 3/295:30 pm -
1 stop38h 30m
Deal found 8/23![China Airlines logo]()
$909
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 11/116:00 am -
2 stops27h 15m
Fri 1/227:30 am -
2 stops22h 57m
Deal found 8/26![United Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 9/2711:54 am -
2 stops43h 41m
Mon 10/511:10 pm -
2 stops37h 33m
Deal found 8/27![Delta logo]()
$981
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/116:00 am -
2 stops27h 15m
Wed 12/97:30 am -
2 stops25h 06m
Deal found 8/24![United Airlines logo]()
$917
This Korean Air deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 2/197:00 am -
2 stops40h 15m
Sun 3/143:45 pm -
2 stops39h 32m
Deal found 8/23![Korean Air logo]()
$1,009
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:08 am -
3 stops25h 57m
Sun 9/207:00 am -
3 stops25h 11m
Deal found 8/23![United Airlines logo]()
$926
This China Airlines deal was found by Cheapflights users on 8/26. 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 9/1512:10 am -
1 stop26h 40m
Mon 10/197:00 pm -
2 stops37h 00m
Deal found 8/26![China Airlines logo]()
$1,041
This China Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/1812:10 am -
1 stop20h 20m
Fri 10/26:00 am -
2 stops26h 00m
Deal found 8/27![China Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 11/16:00 am -
2 stops26h 05m
Mon 11/912:25 am -
2 stops30h 08m
Deal found 8/23![United Airlines logo]()
$986
This China Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 -
1 stop26h 40m
Tue 11/106:00 am -
2 stops26h 05m
Deal found 8/23![China Airlines logo]()
$1,070
Last-minute flights from Ontario to VietnamDiscover last-minute flight deals from Ontario to Vietnam. Data last updated August 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Vietnam. Data last updated August 28, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:45 am -
1 stop18h 55m
Fri 9/411:20 am -
1 stop21h 20m
Deal found 8/26![Multiple Airlines logo]()
$799
This Gotogate deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/212:45 am -
1 stop25h 35m
Thu 9/1010:50 am -
1 stop21h 50m
Deal found 8/23![China Airlines logo]()
$804
This Rumbo deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:45 am -
1 stop18h 55m
Tue 9/810:50 am -
1 stop21h 50m
Deal found 8/23![China Airlines logo]()
$784
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub 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 8/27![STARLUX Airlines logo]()
$802
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:45 am -
1 stop18h 55m
Fri 9/1810:50 am -
1 stop21h 10m
Deal found 8/27![China Airlines logo]()
$800
This Vliegwinkel deal was found by Cheapflights users on 8/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:45 am -
1 stop18h 55m
Sun 9/135:30 pm -
1 stop39h 10m
Deal found 8/25![China Airlines logo]()
$782
This Gotogate deal was found by Cheapflights users on 8/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 am -
1 stop18h 55m
Wed 9/235:30 pm -
1 stop38h 30m
Deal found 8/27![China Airlines logo]()
$798
This flugladen.de deal was found by Cheapflights users on 8/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:45 am -
1 stop18h 55m
Tue 9/1510:50 am -
1 stop21h 50m
Deal found 8/26![China Airlines logo]()
$794
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:45 am -
1 stop25h 35m
Fri 10/210:50 am -
1 stop21h 10m
Deal found 8/27![China Airlines logo]()
$806
This Vliegwinkel deal was found by Cheapflights users on 8/25. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:10 am -
1 stop19h 30m
Sun 10/410:50 am -
1 stop21h 10m
Deal found 8/25![China Airlines logo]()
$781
This oojo deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 -
1 stop20h 45m
Sun 3/75:50 pm -
1 stop37h 05m
Deal found 8/24![STARLUX Airlines logo]()
$805
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:30 pm -
1 stop27h 25m
Fri 10/211:30 am -
1 stop19h 35m
Deal found 8/27![STARLUX Airlines logo]()
$803
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 28, 2026.
Search for one-way flight options from Ontario to Vietnam. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
This lol.travel deal was found by Cheapflights users on 8/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 am -
2 stops38h 50m
Deal found 8/25![Korean Air logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
2 stops25h 35m
Deal found 8/25![Korean Air logo]()
$416
This Korean Air deal was found by Cheapflights users on 8/25. 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.
Mon 10/266:20 am -
2 stops25h 25m
Deal found 8/25![Korean Air logo]()
$418
This Delta deal was found by Cheapflights users on 8/26. 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.
Mon 9/286:00 am -
2 stops25h 35m
Deal found 8/26![Delta logo]()
$419
This Korean Air deal was found by Cheapflights users on 8/26. 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.
Wed 9/306:00 am -
2 stops25h 35m
Deal found 8/26![Korean Air logo]()
$421
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/311:00 pm -
2 stops55h 10m
Deal found 8/25![Delta logo]()
$430
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 9/206:00 pm -
2 stops37h 35m
Deal found 8/27![Delta logo]()
$431
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:30 pm -
1 stop20h 45m
Deal found 8/27![STARLUX Airlines logo]()
$435
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:30 pm -
1 stop20h 45m
Deal found 8/26![STARLUX Airlines logo]()
$437
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:45 pm -
1 stop28h 00m
Deal found 8/26![STARLUX Airlines logo]()
$438
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:50 pm -
1 stop26h 25m
Deal found 8/27![China Airlines logo]()
$444
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:45 am -
1 stop18h 55m
Deal found 8/27![China Airlines logo]()
$446
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $774 (Bravofly) |
One-way from | $401 (lol.travel) |
Popular in | December |
Cheapest in | March |
Average price | $756 |
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 7,457,451 searches. Data last updated August 28, 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
Mon 11/2
6:20 am-10:25 pm
2 stops25h 05m
Ho Chi Minh City
Sun 12/6
2:05 pm-5:15 pm
2 stops42h 10m
$812
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Sat 10/31
11:50 pm-10:00 am
1 stop20h 10m
Ho Chi Minh City
Fri 11/20
11:00 am-5:05 pm
1 stop21h 05m
$845
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Mon 10/12
11:30 pm-4:50 pm
1 stop27h 20m
Hanoi Noibai
Mon 10/19
11:10 am-5:05 pm
1 stop19h 55m
$870
Quickest round-trip
OntarioDa Nang
ONT Ontario - DAD Da Nang
ONTDAD
Ontario
Mon 11/2
10:50 pm-9:15 am
1 stop19h 25m
Da Nang
Thu 11/5
10:25 am-5:05 pm
1 stop21h 40m
$872
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Mon 9/7
12:45 am-4:50 pm
1 stop26h 05m
Hanoi Noibai
Fri 9/11
5:50 pm-6:40 pm
1 stop38h 50m
$877
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Sun 9/20
1:04 pm-9:35 pm
2 stops42h 31m
Hanoi Noibai
Sat 10/3
11:10 pm-5:19 pm
2 stops32h 09m
$881
OntarioHanoi
ONT Ontario - HAN Hanoi Noibai
ONTHAN
Ontario
Tue 9/8
6:00 am-10:35 am
2 stops38h 35m
Hanoi Noibai
Fri 9/11
11:10 pm-5:19 pm
2 stops32h 09m
$881
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Sun 9/13
6:00 am-10:10 pm
2 stops26h 10m
Ho Chi Minh City
Sun 9/27
11:45 pm-5:19 pm
2 stops31h 34m
$882
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Fri 2/12
6:00 am-10:55 pm
2 stops25h 55m
Ho Chi Minh City
Fri 3/12
7:30 am-12:20 pm
2 stops19h 50m
$892
OntarioHo Chi Minh City
ONT Ontario - SGN Ho Chi Minh City
ONTSGN
Ontario
Fri 11/27
6:00 am-9:50 pm
2 stops24h 50m
Ho Chi Minh City
Wed 2/24
6:00 am-3:27 pm
2 stops24h 27m
$900
Showing 1-10 of 60 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-HAN
ONT-DAD
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-HAN
ONT-DAD
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 $1,604). 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 28, 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.
Boarding
8.8
Crew
9.1
Overall
8.7
Comfort
8.8
Entertainment
8.7
Food
8.5
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Crew
9.1
Overall
8.7
Comfort
8.8
Entertainment
8.7
Food
8.5
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Crew
9.1
Overall
8.7
Comfort
8.8
Entertainment
8.7
Food
8.5
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Crew
9.1
Overall
8.7
Comfort
8.8
Entertainment
8.7
Food
8.5
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Crew
9.1
Overall
8.7
Comfort
8.8
Entertainment
8.7
Food
8.5
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Boarding
8.8
Crew
9.1
Overall
8.7
Comfort
8.8
Entertainment
8.7
Food
8.5
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 28, 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 7,457,451 searches. Data last updated August 28, 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$689 | Average$840 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$917 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$741 | Average$920 | FlexibilityNo cancel fee | On-timeN/A |