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$343+ Cheap flights from Ontario (ONT) to Taiwan

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TPE
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheap flight deals from Ontario to Taiwan

Keep the following information in mind while searching for Ontario to Taiwan flight deals. Data was last updated November 21, 2025.

Round-trip from

$657
(SmartFares)

One-way from

$343
(Delta)

Popular in

December

Cheapest in

October

Average price

$779

Good round-trip deal

$709 or less

Good one-way deal

$420 or less
From Ontario to Taiwan
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One-way flight from Ontario to Taiwan
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Highest demand for flights based on searches. 10% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Ontario to Taiwan.
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Price to beat on a one-way flight from Ontario to Taiwan.
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Find flight deals from Ontario to Taiwan

Cheapest flights from Ontario to Taiwan
Explore the most affordable flight options available from Ontario to Taiwan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Delta deal was found by Cheapflights users on 11/21. 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.
Tue 11/256:45 amONT - TPE
1 stop22h 20mDelta
Wed 1/2810:55 amTPE - ONT
1 stop19h 01mDelta
Deal found 11/21$663
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 11/2511:46 amONT - TPE
1 stop17h 19mDelta
Fri 2/2710:55 amTPE - ONT
1 stop19h 01mDelta
Deal found 11/19$664
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Mon 11/2410:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Tue 1/279:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Deal found 11/21$667
This Delta deal was found by Cheapflights users on 11/21. 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.
Tue 11/256:00 amONT - TPE
2 stops23h 05mDelta
Tue 1/2710:55 amTPE - ONT
2 stops29h 03mDelta
Deal found 11/21$668
This Delta deal was found by Cheapflights users on 11/19. 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.
Mon 12/15:49 pmONT - TPE
1 stop35h 16mDelta
Thu 4/309:35 amTPE - ONT
1 stop22h 41mDelta
Deal found 11/19$669
This Delta deal was found by Cheapflights users on 11/21. 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 11/225:49 pmONT - TPE
1 stop35h 16mDelta
Thu 1/2910:55 amTPE - ONT
1 stop19h 01mDelta
Deal found 11/21$670
This lastminute.com deal was found by Cheapflights users on 11/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Mon 12/89:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Deal found 11/20$673
This Delta deal was found by Cheapflights users on 11/21. 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 11/225:49 pmONT - TPE
1 stop35h 16mDelta
Fri 1/3010:55 amTPE - ONT
2 stops29h 03mDelta
Deal found 11/21$674
This Justfly.com deal was found by Cheapflights users on 11/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Thu 12/49:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Deal found 11/19$676
This Korean Air deal was found by Cheapflights users on 11/21. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:45 amONT - TPE
2 stops36h 15mKorean Air
Sat 1/247:25 pmTPE - ONT
2 stops34h 31mKorean Air
Deal found 11/21$682
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/316:38 amONT - TPE
1 stop22h 27mDelta
Tue 3/319:35 amTPE - ONT
1 stop16h 39mDelta
Deal found 11/20$685
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:00 amONT - TSA
2 stops37h 30mMultiple Airlines
Mon 12/87:15 amTSA - ONT
2 stops29h 08mMultiple Airlines
Deal found 11/19$1,054

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Taiwan 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 November 21, 2025.
Use the filters below to find and compare flights from Ontario to Taiwan that are best for you.

Fly from

Ontario

Fly to

Taiwan

Route

Depart

Return

Price

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 1/12

7:30 am-9:05 pm

1 stop21h 35m

Taipei City Taiwan Taoyuan Intl

Tue 2/10

10:55 am-1:56 pm

1 stop19h 01m

$663

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 3/11

6:45 am-9:05 pm

1 stop23h 20m

Taipei City Taiwan Taoyuan Intl

Sat 3/21

9:55 am-11:14 am

1 stop16h 19m

$663

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Thu 2/5

7:30 am-9:05 pm

1 stop21h 35m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

10:55 am-1:56 pm

1 stop19h 01m

$663

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 2/3

7:30 am-9:05 pm

1 stop21h 35m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

10:55 am-1:56 pm

1 stop19h 01m

$663

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 5/5

11:55 am-7:55 pm

1 stop17h 00m

Taipei City Taiwan Taoyuan Intl

Wed 6/3

9:35 am-5:16 pm

1 stop22h 41m

$663

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Thu 3/19

6:45 am-9:05 pm

1 stop23h 20m

Taipei City Taiwan Taoyuan Intl

Fri 3/27

9:55 am-11:14 am

1 stop16h 19m

$663

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 4/8

6:45 am-7:55 pm

1 stop22h 10m

Taipei City Taiwan Taoyuan Intl

Wed 4/22

9:35 am-5:16 pm

1 stop22h 41m

$664

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 1/27

7:30 am-9:05 pm

1 stop21h 35m

Taipei City Taiwan Taoyuan Intl

Wed 2/11

10:55 am-1:56 pm

1 stop19h 01m

$664

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 5/5

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Wed 6/3

10:25 am-11:06 pm

2 stops27h 41m

$788

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Wed 5/6

6:53 pm-9:00 pm

2 stops35h 07m

Kaohsiung City

Wed 6/3

10:25 am-11:06 pm

2 stops27h 41m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 45 results
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Best time to book a flight from Ontario to Taiwan

Have a flexible travel schedule? Discover the best time to fly to Taiwan from Ontario 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 Ontario to Taiwan

What is the cheapest month to book a flight from Ontario to Taiwan?

Currently, October is the cheapest month in which you can book a flight from Ontario to Taiwan (average of $541). Flying from Ontario to Taiwan in June is currently the most expensive (average of $910). 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 ONT to TW?

Find hourly flight availability from Ontario to Taiwan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

When flying from Ontario to Taiwan, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 10% versus a flight in the morning.

Weekly flight availability from Ontario to Taiwan

Explore weekly flight availability from Ontario to Taiwan. 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 November 21, 2025.

The most flights from ONT to TW0 are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 6% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 72 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the last year, STARLUX Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Taiwan

Get insights into the airlines that provide service to Taiwan. 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 Taiwan. Reviews last updated November 21, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, China Airlines, and Delta from Ontario to Taiwan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
232 reviews

Comfort

8.9

Entertainment

8.9

Crew

9.2

Food

8.7

Overall

8.9

Boarding

9.0

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
232 reviews
STARLUX Airlines
8.9
Very good
232 reviews

Comfort

8.9

Entertainment

8.9

Crew

9.2

Food

8.7

Overall

8.9

Boarding

9.0

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
China Airlines
8.3
Very good
782 reviews
STARLUX Airlines
8.9
Very good
232 reviews

Comfort

8.9

Entertainment

8.9

Crew

9.2

Food

8.7

Overall

8.9

Boarding

9.0

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Delta
7.9
Good
8,002 reviews
STARLUX Airlines
8.9
Very good
232 reviews

Comfort

8.9

Entertainment

8.9

Crew

9.2

Food

8.7

Overall

8.9

Boarding

9.0

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
United Airlines
7.4
Good
9,029 reviews
STARLUX Airlines
8.9
Very good
232 reviews

Comfort

8.9

Entertainment

8.9

Crew

9.2

Food

8.7

Overall

8.9

Boarding

9.0

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 Ontario to Taiwan. 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 from for flights from Ontario to Taiwan?

    For a flight from Ontario to Taiwan, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Taiwan?

    A quick flight from Ontario to Taiwan can take about 21h 35m. Delta provides one of the quickest options available for as low as $663. The distance between Ontario and Taiwan is about 6814 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Ontario to Taiwan?

    Most travelers choose Ontario - Taipei City Taiwan Taoyuan Intl, Ontario - Taipei City Sung Shan or Ontario - Kaohsiung City when deciding on the best route from Ontario to Taiwan.

  • What are the cheapest flights from Ontario to Taiwan?

    Looking for the cheapest flight from Ontario to Taiwan? While on average our users pay $1,056, our data indicates the cheapest price to be $381. The most popular route (Ontario - Taipei City Taiwan Taoyuan Intl), is priced around $621.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Taiwan 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 Ontario to Taiwan?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Taiwan (average of $541). Flying from Ontario to Taiwan in June is currently the most expensive (average of $910). 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 4 airlines flying from Ontario to Taiwan

Discover the top 4 airlines that operate flights from Ontario to Taiwan. 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$655Average$758FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$690Average$857FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$715Average$818FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$807Average$868FlexibilityNo cancel feeOn-time69%

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