Cheap flights from Ontario to Ho Chi Minh City from $878 ONT → SGN
Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN)
The cheapest return found recently is $878 with China Airlines, 10 Feb 2027 – 5 Mar 2027, found 2 days ago.
- Cheapest return found recently
- $878, 10 Feb 2027 to 5 Mar 2027
- Usual return price
- $884 to $1,198
- Cheapest month to fly
- March 2027, return fares from $871 found in the last 7 days
Return
The cheapest return fare on each of 8 departure dates is usually $884 to $1,198.
Cheapest return found recently
$878
10 Feb 2027 – 5 Mar 2027 · China Airlines
Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN)
Leaves 10:50 p.m. · Return leaves 5:15 p.m. · 43 h 35 min of travel, both ways together
out 1 stop, back 1 stop · via Taiwan Taoyuan International Airport (TPE) · 8 h connection
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$878 10 Feb 2027 – 5 Mar 2027found 2 days agoSee prices for these dates
$871 22 Mar 2027 – 14 Apr 2027found 7 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $466 to $933.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 8 departure dates from 25 Nov to 26 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 23-night return fares leaving within 3 days of 10 Feb 2027 to compare.
Every date we hold
31 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Nov – 28 Dec | $1,114 | China Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 16 Dec – 14 Jan 2027 | $1,615 | Korean Air | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 22 Jan 2027 – 22 Feb 2027 | $1,026 | STARLUX Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 10 Feb 2027 – 5 Mar 2027 | $878 | China Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 11 Feb 2027 – 5 Mar 2027 | $1,014 | China Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 15 Feb 2027 – 15 Mar 2027 | $886 | China Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 22 Mar 2027 – 14 Apr 2027 | $871 | China Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 26 May 2027 – 30 Jun 2027 | $1,449 | China Airlines | Ontario International Airport (ONT) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $871.
Airlines on the cheapest dates: China Airlines, Korean Air, STARLUX Airlines.
Premium cabin fares from Ontario to Ho Chi Minh City
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 10 Feb 2027 – 5 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Ho Chi Minh City?
Return
Fares 90 to 179 days before departure were typically 16% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $960 | $519 | +19% | 28 |
| 7–13 days | $815 | $513 | +1% | 17 |
| 14–29 days | $926 | $771 | +15% | 32 |
| 30–59 days | $940 | $466 | +17% | 31 |
| 60–89 days | $870 | $848 | +8% | 17 |
| 90–179 days | $804 | $493 | Cheapest seen | 42 |
| 180+ days | $1,059 | $675 | +32% | 18 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Ho Chi Minh City
56 km from Ontario
$687
$191 less than flying from Ontario
10 Feb 2027 – 5 Mar 2027 · LAX → SGN · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Los Angeles → Ho Chi Minh City
56 km from Ontario
$508
9 Feb 2027 · BUR → SGN · 2 stops
found 4 days ago
Long Beach → Ho Chi Minh City
60 km from Ontario
$10,654
22 Dec · LGB → SGN · 2 stops
found 7 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 10 Feb 2027 – 5 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Ontario to Ho Chi Minh City?
The cheapest return found recently is $878 with China Airlines, 10 Feb 2027 to 5 Mar 2027, found 2 days ago. The cheapest return we hold, of any age, is $871 with China Airlines, 22 Mar 2027 to 14 Apr 2027, found 7 days ago. The cheapest return fare on each of 8 departure dates is usually $884 to $1,198.
What is the cheapest month to fly from Ontario to Ho Chi Minh City?
March 2027 is the cheapest month for a return, from $871, 22 Mar 2027 to 14 Apr 2027, found 7 days ago.
How far ahead should I book a flight from Ontario to Ho Chi Minh City?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 16% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Ontario to Ho Chi Minh City?
Between 25 Nov and 26 May 2027, China Airlines has the cheapest return on 6 of the 8 departure dates we hold, Korean Air on 1 and STARLUX Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work