Ontario to Kuala Lumpur ONT → KUL
Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL)
The cheapest return found recently is $977 with United Airlines, 3 Jan 2027 – 17 Jan 2027, found yesterday. The cheapest one-way found recently is $584 with United Airlines, 18 Feb 2027, found 6 days ago.
Return
The cheapest return fare on each of 5 departure dates is usually $1,043 to $1,179.
Cheapest return found recently
$977
3 Jan 2027 – 17 Jan 2027 · United Airlines
Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL)
Leaves 6:27 p.m. · Return leaves 10:40 p.m. · 90 h 16 min of travel, both ways together
out 2 stops, back 2 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$977 3 Jan 2027 – 17 Jan 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $778 to $2,219.
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 5 departure dates from 18 Dec to 3 Feb 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 14-night return fares on 2 other departure dates within 3 days of 3 Jan 2027, and none is cheaper.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Dec – 2 Jan 2027 | $2,731 | China Airlines | Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 2 Jan 2027 – 16 Jan 2027 | $1,043 | Korean Air | Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 3 Jan 2027 – 17 Jan 2027 | $977 | United Airlines | Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 4 Jan 2027 – 18 Jan 2027 | $1,044 | United Airlines | Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 3 Feb 2027 – 18 Feb 2027 | $1,179 | STARLUX Airlines | Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $977.
Airlines on the cheapest dates: United Airlines, China Airlines, Korean Air, STARLUX Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$584
18 Feb 2027 · United Airlines
Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL)
Leaves 8:00 a.m. · 22 h 30 min trip
2 stops
found 6 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$584 18 Feb 2027found 6 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 6 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $584 to $958.
At $584, the cheapest one-way found recently is at the low end of that range.
6 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 one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 18 Feb 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Feb 2027 | $584 | United Airlines | Ontario International Airport (ONT) → Kuala Lumpur International Airport (KUL) | 2 stops | found 6 days ago | Open this trip |
Airlines on the cheapest dates: United Airlines.
Premium cabin fares from Ontario to Kuala Lumpur
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 3 Jan 2027 – 17 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 18 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Kuala Lumpur?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 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 |
|---|---|---|---|---|
| 14–29 days | $778 | $778 | Cheapest seen | 13 |
| 30–59 days | $1,197 | $890 | +54% | 19 |
| 60–89 days | $2,219 | $977 | +185% | 14 |
| 90–179 days | $888 | $888 | +14% | 11 |
One-way
Not enough history yet: we have 6 days of one-way prices, 24 Sept to 18 Oct, and compare booking times once 3 booking ranges have 7 days each.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Kuala Lumpur
56 km from Ontario
$794
$183 less than flying from Ontario
3 Feb 2027 – 18 Feb 2027 · LAX → KUL · out 1 stop, back 1 stop
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Los Angeles → Kuala Lumpur
56 km from Ontario
$392
$192 less than flying from Ontario
18 Feb 2027 · LAX → KUL · 1 stop
found 6 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 3 Jan 2027 – 17 Jan 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