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$411+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
TPE — ONT
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Taipei City Taiwan Taoyuan Intl to Ontario are usually found in March or June, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 septiembre 11, 2025.

Round-trip from

$698
(Delta)

One-way from

$411
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$906

Good round-trip deal

$887 or less

Good one-way deal

$565 or less
From Taipei City Taiwan Taoyuan Intl to Ontario
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One-way flight from Taipei City Taiwan Taoyuan Intl to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Taipei City Taiwan Taoyuan Intl to Ontario.
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Price to beat on a one-way flight from Taipei City Taiwan Taoyuan Intl to Ontario.
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Find 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 septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/269:55 amTPE - ONT
1 stop16h 13mDelta
dom. 11/25:00 amONT - TPE
2 stops23h 05mDelta
Deal found 9/10$698
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/269:35 amTPE - ONT
2 stops21h 22mDelta
sáb. 10/411:50 amONT - TPE
1 stop17h 05mDelta
Deal found 9/10$699
This United Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 9/179:50 amTPE - ONT
1 stop17h 23mUnited Airlines
jue. 9/181:15 pmONT - TPE
2 stops23h 50mUnited Airlines
Deal found 9/9$715
This United Airlines deal was found by Cheapflights users on 9/11. 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.
mar. 9/162:15 pmTPE - ONT
2 stops21h 28mUnited Airlines
mar. 9/235:10 amONT - TPE
2 stops22h 35mUnited Airlines
Deal found 9/11$716
This United Airlines deal was found by Cheapflights users on 9/10. 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.
sáb. 11/12:50 pmTPE - ONT
1 stop37h 47mUnited Airlines
dom. 11/166:38 pmONT - TPE
1 stop33h 12mUnited Airlines
Deal found 9/10$727
This United Airlines deal was found by Cheapflights users on 9/10. 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.
dom. 10/52:25 pmTPE - ONT
1 stop20h 10mUnited Airlines
mié. 10/229:36 amONT - TPE
1 stop27h 29mUnited Airlines
Deal found 9/10$728
This United Airlines deal was found by Cheapflights users on 9/11. 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.
jue. 9/189:50 amTPE - ONT
1 stop17h 23mUnited Airlines
jue. 9/186:38 pmONT - TPE
2 stops33h 07mUnited Airlines
Deal found 9/11$729
This United Airlines deal was found by Cheapflights users on 9/9. 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.
sáb. 9/209:50 amTPE - ONT
1 stop22h 47mUnited Airlines
vie. 10/39:36 amONT - TPE
1 stop18h 09mUnited Airlines
Deal found 9/9$739
This United Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 10/109:50 amTPE - ONT
2 stops25h 34mUnited Airlines
vie. 10/171:15 pmONT - TPE
2 stops47h 50mUnited Airlines
Deal found 9/10$741
This United Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 9/122:25 pmTPE - ONT
1 stop21h 08mUnited Airlines
vie. 9/191:42 pmONT - TPE
1 stop23h 23mUnited Airlines
Deal found 9/10$742
This Delta deal was found by Cheapflights users on 9/9. 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.
lun. 11/310:55 amTPE - ONT
1 stop22h 15mDelta
sáb. 1/314:00 pmONT - TPE
1 stop37h 05mDelta
Deal found 9/9$769

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 septiembre 11, 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

jue. 10/30

9:55 am-9:20 pm

2 stops26h 25m

Ontario

dom. 11/30

6:00 am-9:05 pm

2 stops23h 05m

$699

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

vie. 9/26

9:35 am-11:42 pm

2 stops29h 07m

Ontario

sáb. 10/4

6:00 am-7:55 pm

2 stops22h 55m

$699

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

vie. 10/10

9:35 am-10:41 pm

1 stop28h 06m

Ontario

vie. 10/17

7:35 am-7:55 pm

1 stop21h 20m

$699

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

sáb. 11/22

10:55 am-11:06 am

1 stop16h 11m

Ontario

sáb. 12/6

5:49 pm-9:05 pm

1 stop35h 16m

$699

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

mar. 10/14

9:25 am-5:10 pm

1 stop22h 45m

Ontario

mié. 11/12

6:00 am-9:05 pm

2 stops23h 05m

$699

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

mié. 10/1

9:50 am-5:40 pm

1 stop22h 50m

Ontario

mié. 10/8

9:36 am-6:45 pm

1 stop18h 09m

$715

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

jue. 10/9

9:50 am-12:13 pm

1 stop17h 23m

Ontario

lun. 10/27

6:38 pm-4:45 am

1 stop19h 07m

$716

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

jue. 9/18

9:40 am-12:17 pm

2 stops17h 37m

$418

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

mar. 11/11

10:55 am-4:09 pm

2 stops21h 14m

$418

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

mié. 10/15

9:35 am-5:10 pm

1 stop22h 35m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
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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 August 29, 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 59 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, August is the cheapest month in which you can book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario (average of $246). Flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario in March is currently the most expensive (average of $328). 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 septiembre 11, 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 23% 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 septiembre 11, 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
211 reviews

Comfort

8.9

Overall

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Overall

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
767 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Overall

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 0 inbound flights 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 26h 25m. Fly via Delta to get the fastest option. Airlines will cover a distance of 6814 mi.

  • 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 $873 on this airline. An additional option worth looking into is STARLUX Airlines, starting at $887. Users have found that China Airlines is 13% cheaper than the other options available to this destination.

  • 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 $519. While the most popular route (Taipei City Taiwan Taoyuan Intl - Ontario) can be booked for $698 on average, our data indicates $740 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, August is the cheapest month in which you can book a flight from Taipei City Taiwan Taoyuan Intl Airport to Ontario (average of $246). Flying from Taipei City Taiwan Taoyuan Intl Airport to Ontario in March is currently the most expensive (average of $328). 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

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$873Average$938FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$887Average$1,216FlexibilityNo cancel feeOn-timeN/A

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