$507+ Cheap flights from Ontario (ONT) to Hanoi (HAN)
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HAN
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Hanoi 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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Cheapest flights from Ontario to HanoiExplore the most affordable flight options available from Ontario to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from Ontario to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
This SmartFares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:50 pm
ONT
- HAN
1 stop26h 40m
China Airlines
Tue 12/2911:35 am
HAN
- ONT
1 stop20h 15m
China Airlines
Deal found 6/4![China Airlines logo]()
$955
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
ONT
- HAN
2 stops25h 35m
Delta
Mon 9/1411:10 pm
HAN
- ONT
2 stops37h 30m
Delta
Deal found 6/3![Delta logo]()
$956
This Korean Air deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:20 am
ONT
- HAN
2 stops25h 15m
Korean Air
Sun 11/811:05 pm
HAN
- ONT
2 stops33h 12m
Korean Air
Deal found 6/4![Korean Air logo]()
$962
This SmartFares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Tue 9/2211:30 am
HAN
- ONT
1 stop20h 30m
China Airlines
Deal found 6/5![China Airlines logo]()
$968
This SmartFares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Wed 8/1911:30 am
HAN
- ONT
1 stop21h 10m
China Airlines
Deal found 6/5![China Airlines logo]()
$981
This Justfly.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 am
ONT
- HAN
1 stop26h 40m
China Airlines
Wed 10/75:50 pm
HAN
- ONT
1 stop38h 10m
China Airlines
Deal found 6/6![China Airlines logo]()
$990
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:45 am
ONT
- HAN
1 stop26h 05m
China Airlines
Tue 9/1511:30 am
HAN
- ONT
1 stop21h 10m
China Airlines
Deal found 6/7![China Airlines logo]()
$993
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:10 am
ONT
- HAN
1 stop20h 20m
China Airlines
Sun 11/811:35 am
HAN
- ONT
1 stop20h 15m
China Airlines
Deal found 6/5![China Airlines logo]()
$1,002
This Korean Air deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am
ONT
- HAN
2 stops37h 10m
Korean Air
Wed 12/2311:05 pm
HAN
- ONT
2 stops33h 12m
Korean Air
Deal found 6/3![Korean Air logo]()
$1,003
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 am
ONT
- HAN
2 stops25h 15m
Delta
Thu 11/511:05 pm
HAN
- ONT
2 stops32h 07m
Delta
Deal found 6/4![Delta logo]()
$1,006
This Gotogate deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:10 am
ONT
- HAN
1 stop26h 40m
China Airlines
Sun 11/111:35 am
HAN
- ONT
1 stop20h 15m
China Airlines
Deal found 6/7![China Airlines logo]()
$1,011
Best flights from Ontario to HanoiDiscover carefully curated flight deals from Ontario to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from Ontario to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:20 am
ONT
- HAN
2 stops25h 15m
Delta
Sun 9/1311:10 pm
HAN
- ONT
2 stops37h 30m
Delta
Deal found 6/3![Delta logo]()
$956
This China Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Wed 9/211:30 am
HAN
- ONT
1 stop21h 10m
China Airlines
Deal found 6/4![China Airlines logo]()
$1,028
This Qatar Airways deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm
ONT
- HAN
2 stops29h 15m
Qatar Airways
Tue 9/227:30 pm
HAN
- ONT
2 stops37h 33m
Qatar Airways
Deal found 6/5![Qatar Airways logo]()
$1,111
This Korean Air deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
ONT
- HAN
2 stops25h 15m
Korean Air
Wed 9/211:10 pm
HAN
- ONT
2 stops37h 35m
Korean Air
Deal found 6/5![Korean Air logo]()
$1,198
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:01 am
ONT
- HAN
2 stops23h 14m
United Airlines
Tue 9/111:30 pm
HAN
- ONT
2 stops26h 42m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,426
This China Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Wed 9/1611:30 am
HAN
- ONT
1 stop20h 30m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,029
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:20 am
ONT
- HAN
2 stops38h 15m
Delta
Tue 8/1811:10 pm
HAN
- ONT
2 stops32h 11m
Delta
Deal found 6/5![Delta logo]()
$1,222
This Korean Air deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:20 am
ONT
- HAN
2 stops25h 15m
Korean Air
Fri 7/1712:05 pm
HAN
- ONT
2 stops48h 47m
Korean Air
Deal found 6/8![Korean Air logo]()
$1,438
This China Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/212:45 am
ONT
- HAN
2 stops23h 25m
China Airlines
Mon 8/105:50 pm
HAN
- ONT
1 stop38h 50m
China Airlines
Deal found 6/4![China Airlines logo]()
$1,348
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:20 am
ONT
- HAN
2 stops38h 15m
Delta
Mon 7/2011:10 pm
HAN
- ONT
2 stops37h 42m
Delta
Deal found 6/8![Delta logo]()
$1,390
Last-minute flights from Ontario to HanoiDiscover last-minute flight deals from Ontario to Hanoi. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Hanoi. Data last updated June 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
ONT
- HAN
2 stops38h 35m
Delta
Wed 7/811:10 pm
HAN
- ONT
2 stops37h 42m
Delta
Deal found 6/7![Delta logo]()
$1,135
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
ONT
- HAN
2 stops38h 35m
Delta
Mon 7/611:10 pm
HAN
- ONT
2 stops50h 07m
Delta
Deal found 6/7![Delta logo]()
$1,143
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:00 pm
ONT
- HAN
2 stops55h 35m
Delta
Sat 7/1811:10 pm
HAN
- ONT
2 stops37h 42m
Delta
Deal found 6/8![Delta logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:00 am
ONT
- HAN
2 stops27h 15m
United Airlines
Sat 7/1811:35 pm
HAN
- ONT
2 stops37h 02m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,297
This Korean Air deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:20 am
ONT
- HAN
2 stops38h 15m
Korean Air
Sat 7/1811:10 pm
HAN
- ONT
2 stops37h 42m
Korean Air
Deal found 6/8![Korean Air logo]()
$1,274
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:20 am
ONT
- HAN
2 stops25h 15m
Delta
Wed 7/1511:10 pm
HAN
- ONT
2 stops37h 42m
Delta
Deal found 6/8![Delta logo]()
$1,196
This Rumbo deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Wed 7/2211:30 am
HAN
- ONT
1 stop21h 10m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,279
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:00 am
ONT
- HAN
2 stops26h 15m
United Airlines
Thu 7/1611:35 pm
HAN
- ONT
2 stops50h 37m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:00 am
ONT
- HAN
2 stops26h 15m
United Airlines
Sun 7/2611:35 pm
HAN
- ONT
2 stops37h 02m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,299
This Justfly.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1912:45 am
ONT
- HAN
1 stop26h 05m
China Airlines
Mon 8/35:50 pm
HAN
- ONT
1 stop38h 50m
China Airlines
Deal found 6/3![China Airlines logo]()
$1,311
One-way flights from Ontario to HanoiSearch for one-way flight options from Ontario to Hanoi. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from Ontario to Hanoi. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
ONT
- HAN
2 stops38h 35m
Delta
Deal found 6/7![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:05 pm
ONT
- HAN
2 stops38h 30m
Delta
Deal found 6/7![Delta logo]()
$519
This FlightHub deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:02 am
ONT
- HAN
2 stops35h 13m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$539
This oojo deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:45 am
ONT
- HAN
1 stop26h 05m
China Airlines
Deal found 6/5![China Airlines logo]()
$544
This oojo deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:45 am
ONT
- HAN
1 stop26h 05m
China Airlines
Deal found 6/3![China Airlines logo]()
$546
This flugladen.de deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:45 am
ONT
- HAN
1 stop26h 05m
China Airlines
Deal found 6/5![China Airlines logo]()
$547
This FlightHub deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Deal found 6/7![China Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
ONT
- HAN
2 stops24h 15m
United Airlines
Deal found 6/3![United Airlines logo]()
$563
This China Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:45 am
ONT
- HAN
1 stop19h 45m
China Airlines
Deal found 6/7![China Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
ONT
- HAN
2 stops26h 15m
United Airlines
Deal found 6/7![United Airlines logo]()
$598
This FlightHub deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:04 pm
ONT
- HAN
2 stops35h 51m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$609
This FlightHub deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:04 pm
ONT
- HAN
2 stops38h 46m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$655
Find flight deals from Ontario to Hanoi
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $955 (SmartFares) |
One-way from | $507 (Delta) |
Popular in | December |
Cheapest in | April |
Average price | $1,060 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 8, 2026.
Use the filters below to find and compare flights from Ontario to Hanoi that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Thu 9/3
6:20 am-9:35 pm
2 stops25h 15m
Hanoi Noibai
Sun 9/13
11:10 pm-10:40 pm
2 stops37h 30m
$956
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Sun 8/30
12:45 am-10:30 am
1 stop19h 45m
Hanoi Noibai
Wed 9/2
11:30 am-6:40 pm
1 stop21h 10m
$1,028
Quickest round-trip
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Fri 9/4
12:45 am-10:30 am
1 stop19h 45m
Hanoi Noibai
Wed 9/16
11:30 am-6:00 pm
1 stop20h 30m
$1,029
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Tue 9/1
12:00 pm-7:15 am
2 stops29h 15m
Hanoi Noibai
Tue 9/22
7:30 pm-7:03 pm
2 stops37h 33m
$1,111
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Mon 8/31
6:20 am-9:35 pm
2 stops25h 15m
Hanoi Noibai
Wed 9/2
11:10 pm-10:45 pm
2 stops37h 35m
$1,198
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Thu 8/6
6:20 am-10:35 am
2 stops38h 15m
Hanoi Noibai
Tue 8/18
11:10 pm-5:21 pm
2 stops32h 11m
$1,222
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Sun 8/2
12:45 am-2:10 pm
2 stops23h 25m
Hanoi Noibai
Mon 8/10
5:50 pm-6:40 pm
1 stop38h 50m
$1,348
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Wed 7/1
6:20 am-10:35 am
2 stops38h 15m
Hanoi Noibai
Mon 7/20
11:10 pm-10:52 pm
2 stops37h 42m
$1,390
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Sun 8/16
9:01 am-10:15 pm
2 stops23h 14m
Hanoi Noibai
Tue 9/1
11:30 pm-12:12 pm
2 stops26h 42m
$1,426
OntarioHanoi
ONT - HAN
ONTHAN
Ontario
Thu 7/2
6:20 am-9:35 pm
2 stops25h 15m
Hanoi Noibai
Fri 7/17
12:05 pm-10:52 pm
2 stops48h 47m
$1,438
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Hanoi
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Hanoi in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Hanoi flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Hanoi
Have a flexible travel schedule? Discover the best time to fly to Hanoi from Ontario with our price prediction graph.
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.
Reviews of airlines servicing Hanoi
Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated June 8, 2026.
Read through reviews of airlines operating flights from Ontario to Hanoi, such as China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
8.0
Overall
8.3
Food
7.8
Crew
8.5
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Comfort
8.0
Entertainment
8.0
Overall
8.3
Food
7.8
Crew
8.5
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentA,Feb 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Ontario to Hanoi. 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 Hanoi
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Search flights from Ontario to Hanoi by cabin class
Find flights from Ontario to Hanoi, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Hanoi
Explore flights to Hanoi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Ontario and Hanoi flights
Browse other Ontario and Hanoi flight options. Last updated on June 8, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Ontario to Hanoi
Discover the top airline that operate flights from Ontario to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$740 | Average$827 | FlexibilityNo cancel fee | On-time70% |