Cheap flights from Ontario to Taipei from $485 ONT → TPE, TSA
Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE), Taipei Songshan Airport (TSA)
The cheapest return found recently is $795 with China Airlines, 17 Feb 2027 – 26 Feb 2027, found 2 days ago. The cheapest one-way found recently is $485 with China Airlines, 17 Apr 2027, found 6 days ago.
- Cheapest one-way found recently
- $485, China Airlines, found 6 days ago
- Cheapest return found recently
- $795, 17 Feb 2027 to 26 Feb 2027
- Usual return price
- $1,031 to $2,143
- Cheapest month to fly
- February 2027, return fares from $795 found in the last 7 days
- Airlines with nonstop flights
- China Airlines
- Shortest nonstop flight found
- 14 h 5 min
Return
The cheapest return fare on each of 6 departure dates is usually $1,031 to $2,143.
Cheapest return found recently
$795
17 Feb 2027 – 26 Feb 2027 · China Airlines
Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE)
Leaves 10:50 p.m. · Return leaves 11:50 p.m. · 26 h 15 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$795
17 Feb 2027 – 26 Feb 2027 · China Airlines
Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE)
Leaves 10:50 p.m. · Return leaves 11:50 p.m. · 26 h 15 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$795 17 Feb 2027 – 26 Feb 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $527 to $907.
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 17 Dec to 17 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?
We hold no other 9-night return fares leaving within 3 days of 17 Feb 2027 to compare.
Every date we hold
37 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Dec – 9 Jan 2027 | $2,279 | Alaska Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | out 3 stops, back 3 stops | found 4 days ago | See prices for these dates |
| 19 Dec – 31 Dec | $2,629 | China Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Dec – 8 Jan 2027 | $1,735 | China Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
| 22 Dec – 7 Jan 2027 | $1,683 | China Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 16 Jan 2027 – 8 Mar 2027 | $814 | China Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 17 Feb 2027 – 26 Feb 2027 | $795 | China Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $795.
Airlines on the cheapest dates: China Airlines, Alaska Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$485
17 Apr 2027 · China Airlines
Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE)
Leaves 12:10 a.m. · 14 h 5 min trip
nonstop
found 6 days ago
Cheapest nonstop one-way
$485
17 Apr 2027 · China Airlines
Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE)
Leaves 12:10 a.m. · 14 h 5 min trip
nonstop
found 6 days ago
Found recently, and the cheapest we hold
$485 17 Apr 2027found 6 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 32 days, 29 Sept to 9 Nov, the cheapest one-way we saw each day was $456 to $523.
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 17 Apr 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 | |
|---|---|---|---|---|---|---|
| 17 Apr 2027 | $485 | China Airlines | Ontario International Airport (ONT) → Taiwan Taoyuan International Airport (TPE) | nonstop | found 6 days ago | Open this trip |
Airlines on the cheapest dates: China Airlines.
Premium cabin fares from Ontario to Taipei
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 17 Feb 2027 – 26 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 17 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Taipei?
Return
Fares 14 to 29 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 | $903 | $862 | +19% | 14 |
| 7–13 days | $1,398 | $839 | +85% | 9 |
| 14–29 days | $756 | $756 | Cheapest seen | 8 |
| 30–59 days | $1,766 | $758 | +134% | 30 |
| 60–89 days | $2,313 | $527 | +206% | 29 |
| 90–179 days | $822 | $732 | +9% | 45 |
| 180+ days | $835 | $773 | +10% | 16 |
One-way
Not enough history yet: in 32 days of one-way prices, 29 Sept to 9 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 → Taipei
56 km from Ontario
$795
The same price as flying from Ontario
17 Feb 2027 – 26 Feb 2027 · LAX → TPE · out nonstop, back nonstop
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 → Taipei
56 km from Ontario
$544
$59 more than flying from Ontario
17 Apr 2027 · BUR → TPE · 1 stop
found 4 days ago
Long Beach → Taipei
60 km from Ontario
$589
$104 more than flying from Ontario
17 Apr 2027 · LGB → TPE · 1 stop
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 17 Feb 2027 – 26 Feb 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 Taipei?
The cheapest return found recently is $795 with China Airlines, 17 Feb 2027 to 26 Feb 2027, found 2 days ago. The cheapest return fare on each of 6 departure dates is usually $1,031 to $2,143.
How much is a one-way flight from Ontario to Taipei?
The cheapest one-way found recently is $485 with China Airlines, 17 Apr 2027, found 6 days ago.
What is the cheapest month to fly from Ontario to Taipei?
February 2027 is the cheapest month for a return, from $795, 17 Feb 2027 to 26 Feb 2027, found 2 days ago.
How far ahead should I book a flight from Ontario to Taipei?
In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 16% lower than 0 to 6 days before departure.
Is there a direct flight from Ontario to Taipei?
Yes, the cheapest nonstop return found recently is $795 with China Airlines, 17 Feb 2027 to 26 Feb 2027, found 2 days ago. The cheapest nonstop one-way found recently is $485 with China Airlines, 17 Apr 2027, found 6 days ago.
How long is the flight from Ontario to Taipei?
The cheapest nonstop one-way found recently, with China Airlines on 17 Apr 2027, takes 14 h 5 min from Ontario International Airport (ONT) to Taiwan Taoyuan International Airport (TPE).
Which airlines have the cheapest flights from Ontario to Taipei?
Between 17 Dec and 17 Feb 2027, China Airlines has the cheapest return on 5 of the 6 departure dates we hold, and Alaska 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