HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$477+ Cheap flights from Taiwan Taoyuan Intl (TPE) to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
TPE — ONT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Taiwan Taoyuan Intl to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Taipei City Taiwan Taoyuan Intl to Ontario are usually found in April or November, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Taiwan Taoyuan Intl to Ontario

Cheapest flights from Taiwan Taoyuan Intl to Ontario
Explore the most affordable flight options available from Taiwan Taoyuan Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This LionTravel deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LionTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:30 pmTPE - ONT
Nonstop11h 20mSTARLUX Airlines
Wed 12/319:45 pmONT - TPE
Nonstop14h 45mSTARLUX Airlines
Deal found 12/11$746
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:30 pmTPE - ONT
Nonstop11h 20mSTARLUX Airlines
Sat 1/249:45 pmONT - TPE
Nonstop14h 45mSTARLUX Airlines
Deal found 12/10$762
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:55 amTPE - ONT
2 stops27h 38mDelta
Mon 1/123:30 pmONT - TPE
1 stop37h 35mDelta
Deal found 12/11$778
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:10 amTPE - ONT
1 stop14h 51mUnited Airlines
Mon 1/196:00 amONT - TPE
1 stop21h 50mUnited Airlines
Deal found 12/10$794
This SmartFares deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Tue 12/3010:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Deal found 12/11$803
This Booking.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Sun 12/2810:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Deal found 12/11$808
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:10 amTPE - ONT
1 stop22h 27mUnited Airlines
Sun 1/46:39 pmONT - TPE
1 stop33h 11mUnited Airlines
Deal found 12/11$810
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:10 amTPE - ONT
2 stops25h 57mUnited Airlines
Sun 12/286:39 pmONT - TPE
1 stop33h 11mUnited Airlines
Deal found 12/10$811
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Sun 1/2510:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Deal found 12/10$817
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:50 pmTPE - ONT
1 stop17h 47mUnited Airlines
Sat 1/106:32 pmONT - TPE
1 stop19h 13mUnited Airlines
Deal found 12/11$819
This Richmond deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Richmond is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:55 amTPE - ONT
1 stop27h 52mDelta
Wed 1/77:30 amONT - TPE
1 stop21h 35mDelta
Deal found 12/11$822
This Richmond deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Richmond is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:55 amTPE - ONT
1 stop22h 12mDelta
Wed 12/316:38 amONT - TPE
1 stop22h 27mDelta
Deal found 12/11$823

Find flight deals from Taiwan Taoyuan Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Taiwan Taoyuan Intl (TPE) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$708
(Expedia)

One-way from

$477
(ezTravel 易遊網)

Popular in

July

Cheapest in

April

Average price

$960

Good round-trip deal

$767 or less

Good one-way deal

$477 or less
Provider with most accurate pricing for Taipei City Taiwan Taoyuan Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Taipei City Taiwan Taoyuan Intl-Ontario flights.
Search Deals
From Taipei City Taiwan Taoyuan Intl to Ontario
Search Deals
One-way flight from Taipei City Taiwan Taoyuan Intl to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Taipei City Taiwan Taoyuan Intl to Ontario.
Search Deals
Price to beat on a one-way flight from Taipei City Taiwan Taoyuan Intl to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Taiwan Taoyuan Intl to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Taipei City Taiwan Taoyuan Intl Airport to Ontario that are best for you.

Fly from

Taiwan Taoyuan Intl

Fly to

Ontario

Route

Depart

Return

Price

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Fri 2/27

9:25 pm-4:50 pm

Nonstop11h 25m

Ontario

Sun 3/8

11:50 pm-5:30 am

Nonstop14h 40m

$755

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 2/19

9:25 pm-4:50 pm

Nonstop11h 25m

Ontario

Thu 2/26

10:50 pm-5:30 am

Nonstop14h 40m

$757

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 2/26

9:25 pm-4:50 pm

Nonstop11h 25m

Ontario

Mon 3/2

10:50 pm-5:30 am

Nonstop14h 40m

$770

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Tue 2/3

9:25 pm-4:50 pm

Nonstop11h 25m

Ontario

Mon 3/2

10:50 pm-5:30 am

Nonstop14h 40m

$771

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 12/25

10:55 am-10:33 pm

2 stops27h 38m

Ontario

Sat 1/17

7:30 am-9:05 pm

1 stop21h 35m

$778

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Wed 2/11

10:55 am-11:58 pm

2 stops29h 03m

Ontario

Sat 2/28

1:10 pm-9:05 pm

2 stops39h 55m

$778

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Tue 2/3

10:55 am-10:44 pm

1 stop27h 49m

Ontario

Mon 3/2

6:00 am-9:05 pm

2 stops23h 05m

$778

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 2/26

11:10 am-12:38 pm

1 stop17h 28m

Ontario

Mon 3/2

1:50 pm-7:50 pm

1 stop38h 00m

$793

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 12/25

3:50 pm-5:51 pm

1 stop18h 01m

Ontario

Wed 1/21

6:00 am-7:50 pm

1 stop21h 50m

$794

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 2/19

9:25 pm-4:50 pm

Nonstop11h 25m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Taiwan Taoyuan Intl to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Taiwan Taoyuan Intl to Ontario in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Taipei City Taiwan Taoyuan Intl Airport-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Taipei City Taiwan Taoyuan Intl Airport-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Taipei City Taiwan Taoyuan Intl Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Taipei City Taiwan Taoyuan Intl Airport-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Taipei City Taiwan Taoyuan Intl Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Taiwan Taoyuan Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Taiwan Taoyuan Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario

How far ahead should I book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Taiwan Taoyuan Intl to Ontario. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario?

Currently, November is the cheapest month in which you can book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario (average of $530). Flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario in July is currently the most expensive (average of $856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TPE to ONT?

Find hourly flight availability from Taiwan Taoyuan Intl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 40% versus a flight in the morning.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated December 12, 2025.
See what other customers who have flown with STARLUX Airlines and China Airlines from Taipei City Taiwan Taoyuan Intl Airport to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
243 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
243 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
China Airlines
8.2
Very good
788 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Food

8.7

Comfort

8.9

Crew

9.2

Boarding

8.9

Entertainment

8.9

Overall

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

Find useful and relevant information for your journey from Taiwan Taoyuan Intl to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Taipei City Taiwan Taoyuan Intl?

    For a flight from Taipei City Taiwan Taoyuan Intl to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 1 inbound flight from Taipei City Taiwan Taoyuan Intl per day. 2 airlines have flights to Ontario from Taipei City Taiwan Taoyuan Intl on a regular basis.

  • How long is the flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario?

    There are many flights that can get you from Taipei City Taiwan Taoyuan Intl Airport to Ontario in 11h 25m. Fly via China Airlines or Delta to get the fastest option. Airlines will cover a distance of 6814 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario round-trip?

    Our cheapest airline available from Taipei City Taiwan Taoyuan Intl Airport to Ontario is China Airlines. Our recent data shows that you can find tickets from as low as $769 on this airline. An additional option worth looking into is STARLUX Airlines, starting at $829. Users have found that China Airlines is 20% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Taipei City Taiwan Taoyuan Intl Airport to Ontario one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $467. Users have also found prices from $491 and $503 on STARLUX Airlines and China Airlines, respectively.

  • What are the cheapest flights from Taipei City Taiwan Taoyuan Intl Airport to Ontario?

    Looking at all options, your cheapest flight can be booked for $447. While the most popular route (Taipei City Taiwan Taoyuan Intl - Ontario) can be booked for $708 on average, our data indicates $1,180 when flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario.

  • Can I find deals for flights from Taiwan Taoyuan Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Taiwan Taoyuan Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Taiwan Taoyuan Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Taiwan Taoyuan Intl to Ontario.

  • Can I find deals for business class flights from Taiwan Taoyuan Intl to Ontario?

    Yes. Cheapflights offers flight deals from Taiwan Taoyuan Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario?

    Currently, November is the cheapest month in which you can book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario (average of $530). Flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario in July is currently the most expensive (average of $856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Taiwan Taoyuan Intl to Ontario

Discover the top 2 airlines that operate flights from Taiwan Taoyuan Intl to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$769Average$897FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$829Average$1,175FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.