Ontario to Nha Trang ONT → CXR
Ontario International Airport (ONT) → Cam Ranh International Airport (CXR)
The cheapest return found recently is $1,220 with China Airlines, 20 May 2027 – 31 May 2027, found yesterday.
Return
The cheapest return fare on each of 6 departure dates is usually $1,246 to $1,380.
Cheapest return found recently
$1,220
20 May 2027 – 31 May 2027 · China Airlines
Ontario International Airport (ONT) → Cam Ranh International Airport (CXR)
Leaves 12:10 a.m. · Return leaves 12:20 a.m. · 54 h 25 min of travel, both ways together
out 2 stops, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,220 20 May 2027 – 31 May 2027found yesterdaySee prices for these dates
$1,128 6 Feb 2027 – 23 Feb 2027found 4 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $1,011 to $1,148.
At $1,220, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
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 6 departure dates from 6 Feb 2027 to 20 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?
No. We hold 11-night return fares on 2 other departure dates within 3 days of 20 May 2027, and none is cheaper.
Every date we hold
7 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Feb 2027 – 23 Feb 2027 | $1,128 | China Airlines | Ontario International Airport (ONT) → Cam Ranh International Airport (CXR) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 15 May 2027 – 25 May 2027 | $1,398 | China Airlines | Ontario International Airport (ONT) → Cam Ranh International Airport (CXR) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 17 May 2027 – 28 May 2027 | $1,325 | China Airlines | Ontario International Airport (ONT) → Cam Ranh International Airport (CXR) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 18 May 2027 – 28 May 2027 | $1,325 | China Airlines | Ontario International Airport (ONT) → Cam Ranh International Airport (CXR) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 19 May 2027 – 30 May 2027 | $1,398 | China Airlines | Ontario International Airport (ONT) → Cam Ranh International Airport (CXR) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 20 May 2027 – 31 May 2027 | $1,220 | China Airlines | Ontario International Airport (ONT) → Cam Ranh International Airport (CXR) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $1,128.
Airlines on the cheapest dates: China Airlines.
Premium cabin fares from Ontario to Nha Trang
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 20 May 2027 – 31 May 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Nha Trang?
Return
Not enough history yet: in 25 days of return prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Nha Trang
56 km from Ontario
$1,065
$155 less than flying from Ontario
20 May 2027 – 31 May 2027 · LAX → CXR · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 20 May 2027 – 31 May 2027. A live search on this page shows what those dates cost now, for one adult in economy.
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