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$473+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
TPE — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 February, 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 June 12, 2025.

Round-trip from

$743
(United Airlines)

One-way from

$473
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$943

Good round-trip deal

$898 or less

Good one-way deal

$542 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. 20% potential increase in price ($279 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 10/302:50 pmTPE - ONT
2 stops44h 27mUnited Airlines
Sun 11/305:40 amONT - TPE
2 stops46h 10mUnited Airlines
Deal found 6/10$743
This China Airlines deal was found by Cheapflights users on 6/10. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Thu 10/3011:45 pmONT - TPE
Nonstop14h 45mChina Airlines
Deal found 6/10$839
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 6/149:40 amTPE - ONT
1 stop15h 45mDelta
Fri 6/2711:25 amONT - TPE
1 stop17h 30mDelta
Deal found 6/12$842
This ezTravel 易遊網 deal was found by Cheapflights users on 6/10. 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 ezTravel 易遊網 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:05 pmTPE - ONT
Nonstop12h 00mSTARLUX Airlines
Sat 11/159:45 pmONT - TPE
Nonstop14h 45mSTARLUX Airlines
Deal found 6/10$843
This LionTravel deal was found by Cheapflights users on 6/10. 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 LionTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:10 pmTPE - ONT
Nonstop11h 50mMultiple Airlines
Sat 10/111:31 pmONT - TPE
1 stop24h 34mMultiple Airlines
Deal found 6/10$893
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:25 pmTPE - ONT
2 stops41h 04mEtihad Airways
Mon 9/2210:56 pmONT - TPE
2 stops43h 39mEtihad Airways
Deal found 6/10$1,237

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 June 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

Thu 10/30

2:50 pm-8:17 pm

2 stops44h 27m

Ontario

Sun 11/30

5:40 am-7:50 pm

2 stops46h 10m

$743

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 10/30

9:25 pm-5:50 pm

Nonstop11h 25m

Ontario

Thu 10/30

11:45 pm-5:30 am

Nonstop14h 45m

$839

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Sat 9/13

8:05 pm-5:05 pm

Nonstop12h 00m

Ontario

Sat 11/15

9:45 pm-4:30 am

Nonstop14h 45m

$843

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Thu 9/25

9:10 pm-6:00 pm

Nonstop11h 50m

Ontario

Sat 10/11

1:31 pm-5:05 am

1 stop24h 34m

$893

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Mon 9/15

7:25 pm-9:29 pm

2 stops41h 04m

Ontario

Mon 9/22

10:56 pm-9:35 am

2 stops43h 39m

$1,237

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Tue 10/21

9:25 am-10:50 am

1 stop16h 25m

Ontario

Mon 4/6

6:00 am-7:55 pm

2 stops22h 55m

$1,319

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Mon 10/20

1:20 pm-5:17 pm

2 stops42h 57m

Ontario

Fri 4/10

6:45 am-12:10 pm

2 stops38h 25m

$1,339

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Sat 9/13

4:55 pm-11:47 am

3 stops33h 52m

$473

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Mon 9/8

9:35 am-10:42 pm

1 stop28h 07m

$527

Taipei CityOntario

TPE - ONT

TPEONT

Taipei City Taiwan Taoyuan Intl

Tue 9/2

2:15 pm-8:43 pm

2 stops21h 28m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 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 June 9, 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 June 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 23% versus a flight in the morning.

Weekly flight availability from Taipei City Taiwan Taoyuan Intl Airport to Ontario

Explore weekly flight availability from Taiwan Taoyuan Intl to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from TPE to ONT are scheduled on a Wednesday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
To help decide which airline to fly from Taipei City to Ontario, see what other customers have to say about STARLUX Airlines, Korean Air and China Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

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
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

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.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

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
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

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.
Delta
8.0
Very good
7,946 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

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.
KLM
7.8
Good
1,358 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

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 1 inbound flight from Taipei City Taiwan Taoyuan Intl per day. 1 airline has flights to Ontario from Taipei City Taiwan Taoyuan Intl on a regular basis.

  • 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 United Airlines. Our recent data shows that you can find tickets from as low as $743 on this airline. Additional options worth looking into are China Airlines and STARLUX Airlines, starting at $839 and $843 round-trip. Users have found that United Airlines is 29% 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 Delta. According to our data, you can fly for as low as $527. Users have also found prices from $530 and $539 on United Airlines and STARLUX 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 $499. While the most popular route (Taipei City Taiwan Taoyuan Intl - Ontario) can be booked for $744 on average our data indicates $1,481 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

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Top airline flying from Taiwan Taoyuan Intl to Ontario

Discover the top airline 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$874Average$963FlexibilityNo cancel feeOn-time70%

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