$411 Cheap Flights from Ontario (ONT) to Taipei (TPE)

View $411 flight on Thu, Aug 14, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Ontario to Taipei (ONT-TPE)

Prices were available within the past 7 days and start at $411 for one-way flights and $754 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, May 5 - Tue, May 20
ONT
Ontario
TPE
Taipei
$754 Roundtrip, just found
$754
Roundtrip
just found
Select Delta flight, departing Mon, May 5 from Ontario to Taipei, returning Tue, May 20, priced at $754 just found
Delta
Sat, May 3 - Sun, May 18
ONT
Ontario
TPE
Taipei
$759 Roundtrip, just found
$759
Roundtrip
just found
Select Delta flight, departing Sat, May 3 from Ontario to Taipei, returning Sun, May 18, priced at $759 just found
Delta
Mon, May 5 - Tue, May 20
ONT
Ontario
TPE
Taipei
$761 Roundtrip, just found
$761
Roundtrip
just found
Select Delta flight, departing Mon, May 5 from Ontario to Taipei, returning Tue, May 20, priced at $761 just found
Delta
Tue, Sep 2 - Mon, Sep 29
ONT
Ontario
TPE
Taipei
$765 Roundtrip, found 9 hours ago
$765
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Sep 2 from Ontario to Taipei, returning Mon, Sep 29, priced at $765 found 9 hours ago
Delta
Mon, May 5 - Tue, May 20
ONT
Ontario
TPE
Taipei
$768 Roundtrip, just found
$768
Roundtrip
just found
Select Delta flight, departing Mon, May 5 from Ontario to Taipei, returning Tue, May 20, priced at $768 just found
Delta
Fri, Sep 26 - Mon, Oct 13
ONT
Ontario
TPE
Taipei
$771 Roundtrip, found 3 days ago
$771
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Sep 26 from Ontario to Taipei, returning Mon, Oct 13, priced at $771 found 3 days ago
China Airlines
Wed, Nov 19 - Thu, Nov 27
ONT
Ontario
TPE
Taipei
$773 Roundtrip, just found
$773
Roundtrip
just found
Select China Airlines flight, departing Wed, Nov 19 from Ontario to Taipei, returning Thu, Nov 27, priced at $773 just found
Korean Air
Wed, Nov 19 - Thu, Nov 27
ONT
Ontario
TPE
Taipei
$774 Roundtrip, just found
$774
Roundtrip
just found
Select Korean Air flight, departing Wed, Nov 19 from Ontario to Taipei, returning Thu, Nov 27, priced at $774 just found
Alaska Airlines
Sat, Oct 25 - Thu, Nov 6
ONT
Ontario
TPE
Taipei
$812 Roundtrip, found 1 day ago
$812
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 25 from Ontario to Taipei, returning Thu, Nov 6, priced at $812 found 1 day ago
United
Mon, May 5 - Tue, May 20
ONT
Ontario
TPE
Taipei
$854 Roundtrip, just found
$854
Roundtrip
just found
Select United flight, departing Mon, May 5 from Ontario to Taipei, returning Tue, May 20, priced at $854 just found
Flights from Ontario (ONT) to Taipei (TPE)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Taoyuan Intl.
Airlines serving
American Airlines, China Airlines, Delta, Japan Airlines, Korean Air, STARLUX Airlines, United
Roundtrip price
$754
Distance
6817 mi

Ontario to Taipei Flights

The cheapest times to fly from Ontario to Taipei

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Taipei are during the month of May. You can find some of the cheapest flights from Ontario to Taipei with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Taipei

Sunday is one of the best days to book for cheap flights from Ontario to Taipei: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Taipei

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Taipei in 2025. You can also book with separate airlines for your outbound and return journeys, from $411 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Taipei flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Taipei airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE) cost?
You can score cheap return fares from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE) starting at $802. Grab a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a China Airlines flight leaving ONT on May 6 2025 and touching down at TPE. The price was last updated on April 26 2025 and has not changed since.
What is the cheapest month to fly from ONT to TPE?
The cheapest flights from ONT to TPE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
You can fly directly from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE) on a China Airlines flight.
What is the cheapest airline that flies from ONT to TPE?
Journey from ONT to TPE with China Airlines. This carrier currently offers the cheapest one-way ticket on this route, starting at $486. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ONT on April 30 2025. Prices were last updated on April 26 2025 and have not changed since.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
On average, just 1 nonstop flight departs each day from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE). Looking for more options? Use our filter tool to discover flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
Flights between ONT and TPE tend to be busiest at 10 PM. If you’d like a less crowded experience and potentially cheaper tickets, choose a time outside the usual busy windows.
What day of the week has the most flights from ONT to TPE?
If you travel on a Friday, you’ll get the greatest range of options for flights from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE).
What is the earliest flight from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
Los Angeles - Ontario Intl. Airport (ONT)’s first flight to Taoyuan Intl. Airport (TPE) takes off at approximately 10:45PM UTC-8. With a travel time of 14h 45m, you’ll touch down at around 5:30AM UTC+8.
How long does it take to fly from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
The average flight time from ONT to TPE is 14 hours and 45 minutes, covering a distance of 6,800 mi.
What airline has the least delays from ONT to TPE?
Consider booking with China Airlines if you’d like to go straight from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE) without any delays. This carrier has the strongest track record for punctuality, with an on-time performance of 85%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
Choose a flight from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Taipei from Los Angeles - Ontario Intl. Airport (ONT)?
Check out your flight options from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE). This is the only Taipei airport you can touch down at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE) last-minute?
Booking your ticket from ONT to TPE right before your trip is generally more expensive. But if there’s some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an ONT to TPE flight and hotel package?
Compared with arranging hotels and flights separately, booking an ONT to TPE flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Just pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Taoyuan Intl. Airport (TPE)?
You can usually reschedule or cancel your ONT to TPE flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.