$467 Flights from Taipei Taiwan Taoyuan (TPE) to Ontario International (ONT)

Compare Taipei Taiwan Taoyuan to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

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Flight deals from Taipei Taiwan Taoyuan Airport to Ontario International Airport

Looking for a cheap last-minute deal or the best round-trip flight from Taipei Taiwan Taoyuan Airport to Ontario International Airport? If you want to travel next month, round-trip fares start from $732. Find the lowest prices on one-way and round-trip tickets right here.

Ontario.$464 per passenger.Departing Tue, Apr 7.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Tue, Apr 7, arriving in Ontario International.Price includes taxes and charges.From $464, select.

Ontario.$464 per passenger.Departing Mon, May 18.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Mon, May 18, arriving in Ontario International.Price includes taxes and charges.From $464, select.

Ontario.$467 per passenger.Departing Thu, Jan 29.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Thu, Jan 29, arriving in Ontario International.Price includes taxes and charges.From $467, select.

Ontario.$467 per passenger.Departing Wed, Feb 18.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Wed, Feb 18, arriving in Ontario International.Price includes taxes and charges.From $467, select.

Ontario.$467 per passenger.Departing Mon, Mar 9.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Mon, Mar 9, arriving in Ontario International.Price includes taxes and charges.From $467, select.

Ontario.$467 per passenger.Departing Mon, Jun 1.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Mon, Jun 1, arriving in Ontario International.Price includes taxes and charges.From $467, select.

Ontario.$494 per passenger.Departing Mon, Jan 18.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Mon, Jan 18, arriving in Ontario International.Price includes taxes and charges.From $494, select.

Ontario.$496 per passenger.Departing Fri, Dec 18.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Fri, Dec 18, arriving in Ontario International.Price includes taxes and charges.From $496, select.

Ontario.$499 per passenger.Departing Sun, Oct 25.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Sun, Oct 25, arriving in Ontario International.Price includes taxes and charges.From $499, select.

Ontario.$499 per passenger.Departing Mon, Nov 2.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Mon, Nov 2, arriving in Ontario International.Price includes taxes and charges.From $499, select.

Ontario.$514 per passenger.Departing Tue, Aug 25.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Tue, Aug 25, arriving in Ontario International.Price includes taxes and charges.From $514, select.

Ontario.$515 per passenger.Departing Wed, Sep 2.One-way flight with China Airlines.Outbound direct flight with China Airlines departing from Taipei Taiwan Taoyuan on Wed, Sep 2, arriving in Ontario International.Price includes taxes and charges.From $515, select.

Find the cheapest month to fly from Taipei Taiwan Taoyuan to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Taipei Taiwan Taoyuan to Ontario International flights are currently cheapest in April.

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Direct flights from Taipei Taiwan Taoyuan to Ontario International

Taipei Taiwan Taoyuan to Ontario International: Alternative routes

Compare routes from Taipei Taiwan Taoyuan to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Taipei to Ontario: Flight information

The things to know before you go.

Cheapest flight found	$464
Cheapest month to fly	April
Average flight time	11 hrs, 45 mins
Most popular airline	China Airlines
Average flights per week	12

Finding cheap flights from Taipei Taiwan Taoyuan to Ontario International: Frequently asked questions

How much are round-trip flights from Taipei Taiwan Taoyuan to Ontario International?

The best price we found for a round-trip flight from Taipei Taiwan Taoyuan to Ontario International is $722. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Taipei Taiwan Taoyuan to Ontario International?

11 hours and 45 minutes is the average flight time from Taipei Taiwan Taoyuan to Ontario International.

Which airlines fly direct from Taipei Taiwan Taoyuan to Ontario International?

China Airlines and STARLUX Airlines fly direct from Taipei Taiwan Taoyuan to Ontario International.

How many flights are there a week from Taipei Taiwan Taoyuan to Ontario International?

There are 12 flights per week flying from Taipei Taiwan Taoyuan to Ontario International, as of January 2026.

When is the cheapest time to fly from Taipei Taiwan Taoyuan to Ontario International?

The cheapest month to fly from Taipei Taiwan Taoyuan to Ontario International is usually April.

Which upcoming date is cheapest to fly from Taipei Taiwan Taoyuan Airport to Ontario International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Taipei Taiwan Taoyuan Airport to Ontario International Airport on Saturday, April 18, 2026.

Can I get a direct flight from Taipei Taiwan Taoyuan Airport to Ontario International Airport?

Yes – the average flight time is 11 hours and 45 minutes.

How can I find the best flight deal to Ontario International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Ontario?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Taipei Taiwan Taoyuan Airport to Ontario International?

Currently, China Airlines offers the cheapest flight tickets to Ontario International.

Flying from Taiwan Taoyuan International Airport (TPE) to Ontario International Airport (ONT): what you need to know

Around 12 hours 5 minutes is how long you'll be traveling on a direct flight from Taiwan Taoyuan International Airport to Ontario International Airport.
Ontario is 15 hours behind Taipei and is in the UTC-7 timezone.
Take your pick of eight weekly Taiwan Taoyuan International Airport to Ontario International Airport flights. The 21:10 departure with China Airlines is the earliest available. China Airlines operates the latest service of the day at 21:10.
Give yourself plenty of time to make your TPE to ONT flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.
You can expect bigger queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.
China Airlines has direct flights from Taiwan Taoyuan International Airport to Ontario International Airport. Book with this popular airline, then get ready to check out the sights in Ontario — and maybe even more of United States if time allows.
The majority of travelers choose to fly with China Airlines on this route.
Among carriers operating TPE to ONT flights, China Airlines has the best record for on-time arrivals.

How to find the cheapest flights from Taiwan Taoyuan International Airport (TPE) to Ontario International Airport (ONT)

The cheapest price we've found for a one-way Taiwan Taoyuan International Airport to Ontario International Airport flight is $467. A round-trip ticket right now is $722. Depending on the availability and when you book, these fares could change.
Book six months before traveling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from TPE to ONT.
May is the cheapest month for flights from Taiwan Taoyuan International Airport to Ontario International Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.
Landing cheap flights from TPE to ONT is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a lower fare pops up.
Find the right flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Taiwan Taoyuan International Airport to Ontario International Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Taiwan Taoyuan International Airport (TPE)

Of the departures from Taiwan Taoyuan International Airport, 74.72% land on schedule at their destination.
Central Taipei to Taiwan Taoyuan International Airport is approximately 30 miles. Depending on traffic, it'll take about 40 minutes to get there if you're catching a cab, ride-sharing or driving.
Planning to take public transport? Expect a trip time of around 1 hour 25 minutes.
Get your break off to a hassle-free start by staying near TPE. Whether you're catching an early flight from Taiwan Taoyuan International Airport to Ontario International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Ontario International Airport (ONT)

Book a hotel close to ONT if you're taking a late Taiwan Taoyuan International Airport to Ontario International Airport flight. Pick one of these options and avoid the hassle of a long transfer:
Grab an Ontario International Airport rental car and discover Ontario and beyond with your own set of wheels. Dollar, Fox - Rent A Car and Thrifty are leading providers to choose from here.
To get the best deal, reserve your vehicle from Ontario International Airport around three weeks before your trip.

Getting from Ontario International Airport (ONT) to central Ontario

You'll find ONT at 2900 E. Airport Drive.
Ontario International Airport to the center of Ontario has a drive time of about 10 minutes. It's approximately 4 miles away.
When traveling on public transport, expect a journey time of roughly 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

The quietest month for a flight from Taiwan Taoyuan International Airport to Ontario International Airport is May, while August is the busiest. Choose the ideal time to visit Ontario based on whether you prefer a bustling atmosphere or a more laid-back vibe.
The warmest month in Ontario is August, with temperatures ranging between 59ºF and 95ºF. Lock in your flights from Taiwan Taoyuan International Airport to Ontario International Airport in this month if you enjoy this type of weather.
Search for cheap tickets from TPE to ONT in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 39ºF and 73ºF on average.

Explore more of United States

You've seen Ontario, now it's time to discover more of United States. Travel around 35 miles west to Los Angeles to tick off its popular sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you've got a jam-packed schedule ahead.
Around 95 miles south of Ontario, San Diego is another favorite stop in United States. No visit is complete without checking out San Diego Zoo, USS Midway Museum and SeaWorld San Diego.