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Ho Chi Minh City

$368+ Cheap flights from Ontario (ONT) to Ho Chi Minh City (SGN)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SGN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Ho Chi Minh City are usually found in September or October, booked 72 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Ontario to Ho Chi Minh City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Ho Chi Minh City (SGN). 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 September 11, 2025.

Round-trip from

$738
(oojo)

One-way from

$368
(Delta)

Popular in

December

Cheapest in

September

Average price

$815
From Ontario to Ho Chi Minh City
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One-way flight from Ontario to Ho Chi Minh City
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Highest demand for flights based on searches. 6% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Ho Chi Minh City

Cheapest flights from Ontario to Ho Chi Minh City
Explore the most affordable flight options available from Ontario to Ho Chi Minh City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Korean Air deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/207:35 amONT - SGN
2 stops25h 40mKorean Air
Thu 10/308:00 amSGN - ONT
2 stops23h 10mKorean Air
Deal found 9/10$740
This Korean Air deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/296:00 amONT - SGN
2 stops40h 35mKorean Air
Mon 10/201:55 pmSGN - ONT
2 stops41h 15mKorean Air
Deal found 9/9$742
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:05 amONT - SGN
2 stops29h 10mUnited Airlines
Thu 11/66:00 amSGN - ONT
2 stops31h 51mUnited Airlines
Deal found 9/9$743
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 12/86:00 amONT - SGN
2 stops25h 55mUnited Airlines
Sat 1/246:00 amSGN - ONT
2 stops21h 14mUnited Airlines
Deal found 9/11$747
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/257:35 amONT - SGN
2 stops24h 50mDelta
Sat 11/2211:50 pmSGN - ONT
2 stops38h 05mDelta
Deal found 9/9$751
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/226:38 pmONT - SGN
2 stops37h 17mUnited Airlines
Tue 12/26:00 amSGN - ONT
2 stops26h 37mUnited Airlines
Deal found 9/10$753
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/289:50 amONT - SGN
2 stops60h 45mDelta
Wed 10/292:05 pmSGN - ONT
2 stops61h 56mDelta
Deal found 9/10$754
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amONT - SGN
2 stops40h 35mDelta
Sat 11/111:50 pmSGN - ONT
2 stops37h 51mDelta
Deal found 9/9$755
This Korean Air deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/156:00 amONT - SGN
2 stops27h 15mKorean Air
Fri 10/318:00 amSGN - ONT
2 stops28h 41mKorean Air
Deal found 9/9$757
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/297:35 amONT - SGN
2 stops25h 45mDelta
Tue 11/258:00 amSGN - ONT
2 stops29h 55mDelta
Deal found 9/11$759
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/289:50 amONT - SGN
2 stops60h 45mDelta
Thu 10/308:00 amSGN - ONT
2 stops28h 41mDelta
Deal found 9/10$765

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Ho Chi Minh City 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Ho Chi Minh City that are best for you.

Fly from

Ontario

Fly to

Ho Chi Minh City

Route

Depart

Return

Price

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Thu 1/8

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Wed 5/6

7:00 am-2:34 pm

2 stops21h 34m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 1/11

1:53 pm-10:55 pm

2 stops42h 02m

Ho Chi Minh City

Thu 4/23

7:00 am-12:19 pm

2 stops19h 19m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 3/9

6:00 am-10:55 pm

2 stops26h 55m

Ho Chi Minh City

Fri 4/3

7:00 am-2:34 pm

2 stops21h 34m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 11/4

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Tue 11/11

6:00 am-12:37 pm

2 stops21h 37m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Thu 1/8

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Thu 4/23

7:00 am-12:19 pm

2 stops19h 19m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 11/16

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Wed 11/19

6:00 am-10:51 pm

2 stops31h 51m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Fri 1/9

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Thu 4/23

7:00 am-2:34 pm

2 stops21h 34m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 1/12

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Sat 3/28

6:00 am-6:00 pm

2 stops26h 00m

$747

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 9/29

6:00 am-12:35 pm

2 stops40h 35m

Ho Chi Minh City

Mon 10/20

11:45 pm-5:10 pm

2 stops31h 25m

$748

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Thu 2/5

6:39 pm-10:55 pm

2 stops37h 16m

Ho Chi Minh City

Sun 3/22

6:00 am-6:00 pm

2 stops26h 00m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 results
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Best time to book a flight from Ontario to Ho Chi Minh City

Have a flexible travel schedule? Discover the best time to fly to Ho Chi Minh City from Ontario with our price prediction graph.
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 Ho Chi Minh City

How far ahead should I book a flight from Ontario to Ho Chi Minh City?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Ho Chi Minh City. Price data was last updated on August 29, 2025.

The price you pay for your flight from Ontario to Ho Chi Minh City may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ontario to Ho Chi Minh City?

Currently, September is the cheapest month in which you can book a flight from Ontario to Ho Chi Minh City (average of $883). Flying from Ontario to Ho Chi Minh City in June is currently the most expensive (average of $1,426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to SGN?

Find hourly flight availability from Ontario to Ho Chi Minh City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Ho Chi Minh City in the morning. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Ho Chi Minh City

Get insights into the airlines that provide service to Ho Chi Minh City. 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 Ho Chi Minh City. Reviews last updated September 11, 2025.
See what other customers who have flown with STARLUX Airlines, Korean Air, and China Airlines from Ontario to Ho Chi Minh City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,139 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
767 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Asiana Airlines
8.2
Very good
479 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
United Airlines
7.4
Good
8,937 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Entertainment

8.9

Food

8.8

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Ho Chi Minh City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Ho Chi Minh City?

    Airlines like United Airlines fly from Ontario to Ho Chi Minh City in about 25h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Ontario and Ho Chi Minh City is about 8184 mi.

  • What are the cheapest airlines flying from Ontario to Ho Chi Minh City round-trip?

    Cheapflights users have booked flights from Ontario to Ho Chi Minh City round-trip from $620. Other airlines that can offer you cheap pricing are Asiana Airlines, from $640, and Korean Air, from $714. United Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ontario to Ho Chi Minh City that include hotel bookings?

    Yes. In addition to deals on Ontario to Ho Chi Minh City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Ho Chi Minh City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ho Chi Minh City.

  • Can I find deals for business class flights from Ontario to Ho Chi Minh City?

    Yes. Cheapflights offers flight deals from Ontario to Ho Chi Minh City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Ho Chi Minh City?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Ho Chi Minh City (average of $883). Flying from Ontario to Ho Chi Minh City in June is currently the most expensive (average of $1,426). 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.

See more FAQs

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Alternative routes for Ontario to Ho Chi Minh City

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Top 5 airlines flying from Ontario to Ho Chi Minh City

Discover the top 5 airlines that operate flights from Ontario to Ho Chi Minh City. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$620Average$922FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$640Average$793FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$714Average$853FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$767Average$949FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$767Average$1,101FlexibilityNo cancel feeOn-timeN/A

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