Cheap flights from Ontario to Manila from $389 ONT → MNL
Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL)
The cheapest return found recently is $881 with Alaska Airlines, 18 Mar 2027 – 29 Apr 2027, found 2 days ago. The cheapest one-way found recently is $389 with Korean Air, 25 Mar 2027, found 4 days ago.
- Cheapest one-way found recently
- $389, found 4 days ago
- Cheapest return found recently
- $881, 18 Mar 2027 to 29 Apr 2027
- Usual return price
- $880 to $950
- Cheapest month to fly
- November 2026, return fares from $625 found in the last 7 days
Return
The cheapest return fare on each of 14 departure dates is usually $880 to $950.
Cheapest return found recently
$881
18 Mar 2027 – 29 Apr 2027 · Alaska Airlines
Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL)
Leaves 4:00 p.m. · Return leaves 10:20 p.m. · 33 h 45 min of travel, both ways together
out 1 stop, back nonstop · via Seattle-Tacoma International Airport (SEA)
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$881 18 Mar 2027 – 29 Apr 2027found 2 days agoSee prices for these dates
$625 19 Nov – 8 Decfound 3 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 $625 to $847.
At $881, the cheapest return found recently is above that range.
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 14 departure dates from 15 Nov to 10 Oct 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 42-night return fares leaving within 3 days of 18 Mar 2027 to compare.
Every date we hold
50 fares on 14 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Nov – 29 Nov | $1,104 | United Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 19 Nov – 8 Dec | $625 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 29 Nov – 13 Dec | $875 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 22 Dec – 22 Jan 2027 | $1,470 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 23 Dec – 22 Jan 2027 | $1,256 | Southwest Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 2 stops, back 1 stop | found 7 days ago | See prices for these dates |
| 10 Jan 2027 – 31 Jan 2027 | $879 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 18 Jan 2027 – 11 Feb 2027 | $837 | Korean Air | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Jan 2027 – 4 Feb 2027 | $898 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 4 Mar 2027 – 12 Mar 2027 | $888 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 14 Mar 2027 – 4 Apr 2027 | $897 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 18 Mar 2027 – 29 Apr 2027 | $881 | Alaska Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 21 Mar 2027 – 12 Apr 2027 | $888 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 8 Oct 2027 – 24 Oct 2027 | $950 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 10 Oct 2027 – 30 Oct 2027 | $949 | China Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $625.
Airlines on the cheapest dates: China Airlines, United Airlines, Southwest Airlines, Korean Air, Alaska Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$389
25 Mar 2027 · Korean Air
Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL)
Leaves 7:00 a.m. · 37 h 5 min trip
2 stops
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$389 25 Mar 2027found 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 35 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $345 to $598.
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 2 departure dates 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 25 Mar 2027 to compare.
Every date we hold
4 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Mar 2027 | $389 | Korean Air | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | 2 stops | found 4 days ago | Open this trip |
| 18 Aug 2027 | $504 | STARLUX Airlines | Ontario International Airport (ONT) → Ninoy Aquino International Airport (MNL) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $389.
Airlines on the cheapest dates: Korean Air, STARLUX Airlines.
Premium cabin fares from Ontario to Manila
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 18 Mar 2027 – 29 Apr 2027 in another cabin: Premium economy · Business · First
Today's prices for 25 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Manila?
Return
The cheapest fares were 90 to 179 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 | $808 | $776 | +3% | 24 |
| 7–13 days | $827 | $625 | +5% | 29 |
| 14–29 days | $875 | $785 | +11% | 32 |
| 30–59 days | $860 | $715 | +9% | 42 |
| 60–89 days | $845 | $734 | +7% | 42 |
| 90–179 days | $787 | $674 | Cheapest seen | 49 |
| 180+ days | $1,249 | $813 | +59% | 39 |
One-way
Not enough history yet: in 35 days of one-way prices, 24 Sept to 11 Nov, 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 → Manila
56 km from Ontario
$751
$130 less than flying from Ontario
18 Mar 2027 – 29 Apr 2027 · LAX → MNL · out nonstop, back nonstop
found 2 days ago
Long Beach → Manila
60 km from Ontario
$2,036
$1,155 more than flying from Ontario
20 Nov – 9 Dec · LGB → MNL · out 2 stops, back 2 stops
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 → Manila
56 km from Ontario
$517
$128 more than flying from Ontario
25 Mar 2027 · SNA → MNL · 1 stop
found 4 days ago
Long Beach → Manila
60 km from Ontario
$607
$218 more than flying from Ontario
25 Mar 2027 · LGB → MNL · 2 stops
found 4 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 18 Mar 2027 – 29 Apr 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 Manila?
The cheapest return found recently is $881 with Alaska Airlines, 18 Mar 2027 to 29 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $625 with China Airlines, 19 Nov to 8 Dec, found 3 days ago. The cheapest return fare on each of 14 departure dates is usually $880 to $950.
How much is a one-way flight from Ontario to Manila?
The cheapest one-way found recently is $389 with Korean Air, 25 Mar 2027, found 4 days ago.
What is the cheapest month to fly from Ontario to Manila?
November 2026 is the cheapest month for a return, from $625, 19 Nov to 8 Dec, found 3 days ago. March 2027 is the cheapest month for a one-way, from $389, 25 Mar 2027, found 4 days ago.
How far ahead should I book a flight from Ontario to Manila?
In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 90 to 179 days before departure.
How long is the flight from Ontario to Manila?
The cheapest one-way found recently, with Korean Air on 25 Mar 2027, takes 37 h 5 min with 2 stops.
Which airlines have the cheapest flights from Ontario to Manila?
Between 15 Nov and 10 Oct 2027, China Airlines has the cheapest return on 10 of the 14 departure dates we hold, United Airlines on 1 and Southwest 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