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$357+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TPE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$715
(Delta)

One-way from

$357
(Bravofly)

Popular in

December

Cheapest in

September

Average price

$789

Good round-trip deal

$742 or less

Good one-way deal

$448 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. 13% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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 11/13:45 pmONT - TPE
1 stop38h 20mDelta
Mon 11/1010:45 amTPE - ONT
2 stops21h 29mDelta
Deal found 8/14$715
This Delta deal was found by Cheapflights users on 8/14. 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 10/115:50 pmONT - TPE
1 stop35h 05mDelta
Wed 10/229:35 amTPE - ONT
2 stops21h 18mDelta
Deal found 8/14$717
This Delta deal was found by Cheapflights users on 8/13. 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.
Sun 10/55:40 pmONT - TPE
1 stop35h 15mDelta
Sat 10/189:40 amTPE - ONT
1 stop28h 01mDelta
Deal found 8/13$719
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 11/306:00 amONT - TPE
2 stops47h 05mDelta
Thu 12/1110:45 amTPE - ONT
2 stops29h 01mDelta
Deal found 8/14$720
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 8/244:50 pmONT - TPE
2 stops36h 05mDelta
Sun 9/79:35 amTPE - ONT
2 stops28h 05mDelta
Deal found 8/14$721
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 10/126:00 amONT - TPE
2 stops46h 55mDelta
Fri 10/249:35 amTPE - ONT
2 stops29h 04mDelta
Deal found 8/14$722
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 10/101:15 pmONT - TPE
2 stops63h 40mDelta
Wed 10/229:35 amTPE - ONT
2 stops17h 39mDelta
Deal found 8/14$723
This Korean Air deal was found by Cheapflights users on 8/13. 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.
Mon 9/296:00 amONT - TPE
2 stops44h 50mKorean Air
Thu 10/166:55 pmTPE - ONT
2 stops37h 15mKorean Air
Deal found 8/13$725
This Delta deal was found by Cheapflights users on 8/14. 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 11/106:43 amONT - TPE
1 stop22h 22mDelta
Sat 12/610:45 amTPE - ONT
1 stop22h 32mDelta
Deal found 8/14$730
This Delta deal was found by Cheapflights users on 8/14. 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.
Sun 11/95:51 pmONT - TPE
1 stop35h 14mDelta
Fri 12/510:45 amTPE - ONT
1 stop16h 05mDelta
Deal found 8/14$736
This Delta deal was found by Cheapflights users on 8/14. 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 11/155:51 pmONT - TPE
1 stop35h 14mDelta
Thu 12/410:45 amTPE - ONT
1 stop22h 32mDelta
Deal found 8/14$737
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 8/156:10 amONT - KHH
2 stops23h 50mUnited Airlines
Wed 9/1010:25 amKHH - ONT
2 stops22h 12mUnited Airlines
Deal found 8/13$828

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 August 14, 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

Sat 10/11

5:50 pm-7:55 pm

1 stop35h 05m

Taipei City Taiwan Taoyuan Intl

Wed 10/22

9:35 am-3:53 pm

2 stops21h 18m

$717

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 8/24

4:50 pm-7:55 pm

2 stops36h 05m

Taipei City Taiwan Taoyuan Intl

Sun 9/7

9:35 am-10:40 pm

2 stops28h 05m

$721

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 10/12

6:00 am-7:55 pm

2 stops46h 55m

Taipei City Taiwan Taoyuan Intl

Sun 11/2

10:55 am-6:10 pm

1 stop22h 15m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 10/12

6:00 am-7:55 pm

2 stops46h 55m

Taipei City Taiwan Taoyuan Intl

Fri 10/24

9:35 am-11:39 pm

2 stops29h 04m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 10/13

1:15 pm-7:55 pm

2 stops39h 40m

Taipei City Taiwan Taoyuan Intl

Fri 10/24

9:35 am-12:16 pm

2 stops17h 41m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 10/13

4:35 pm-7:55 pm

2 stops36h 20m

Taipei City Taiwan Taoyuan Intl

Fri 10/31

9:55 am-2:01 pm

1 stop19h 06m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 10/12

1:15 pm-7:55 pm

2 stops63h 40m

Taipei City Taiwan Taoyuan Intl

Fri 10/31

9:55 am-2:01 pm

1 stop19h 06m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 10/12

1:15 pm-7:55 pm

2 stops63h 40m

Taipei City Taiwan Taoyuan Intl

Sat 10/25

9:40 am-11:08 am

1 stop16h 28m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Fri 10/10

1:15 pm-7:55 pm

2 stops63h 40m

Taipei City Taiwan Taoyuan Intl

Wed 10/22

9:35 am-12:14 pm

2 stops17h 39m

$723

OntarioTaipei City

ONT - TSA

ONTTSA

Ontario

Fri 8/22

6:10 am-8:40 pm

2 stops23h 30m

Taipei City Sung Shan

Wed 9/3

9:10 am-6:54 pm

2 stops24h 44m

$879

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 42 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, September is the cheapest month in which you can book a flight from Ontario to Taiwan (average of $855). Flying from Ontario to Taiwan in December is currently the most expensive (average of $1,362). 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 August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Taiwan as you normally would.

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 August 14, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air, and China Airlines 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
9.0
Wonderful
204 reviews

Boarding

9.0

Overall

9.0

Entertainment

8.9

Comfort

8.9

Crew

9.3

Food

8.7

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
9.0
Wonderful
204 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Overall

9.0

Entertainment

8.9

Comfort

8.9

Crew

9.3

Food

8.7

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.
EVA Air
8.4
Very good
1,233 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Overall

9.0

Entertainment

8.9

Comfort

8.9

Crew

9.3

Food

8.7

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
762 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Overall

9.0

Entertainment

8.9

Comfort

8.9

Crew

9.3

Food

8.7

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
7,980 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Overall

9.0

Entertainment

8.9

Comfort

8.9

Crew

9.3

Food

8.7

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.
United Airlines
7.4
Good
8,916 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Overall

9.0

Entertainment

8.9

Comfort

8.9

Crew

9.3

Food

8.7

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 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.

  • What are the cheapest airlines to fly from Ontario to Taiwan one-way?

    To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $357. Japan Airlines flights start at $380 while deals on Delta start at $381 one-way.

  • 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 $1,811, our data indicates the cheapest price to be $394. The most popular route (Ontario - Taipei City Taiwan Taoyuan Intl), is priced around $656.

  • 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, September is the cheapest month in which you can book a flight from Ontario to Taiwan (average of $855). Flying from Ontario to Taiwan in December is currently the most expensive (average of $1,362). 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 5 airlines flying from Ontario to Taiwan

Discover the top 5 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$667Average$792FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$729Average$861FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$740Average$818FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$782Average$788FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$852Average$886FlexibilityNo cancel feeOn-time69%

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