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$411+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TPE
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$761
(Delta)

One-way from

$411
(Delta)

Popular in

December

Cheapest in

September

Average price

$1,258

Good round-trip deal

$798 or less

Good one-way deal

$444 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. 12% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 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 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 June 30, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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 9/176:00 amONT - TPE
2 stops22h 55mDelta
Thu 10/309:45 amTPE - ONT
2 stops29h 01mDelta
Deal found 6/30$761
This oojo deal was found by Cheapflights users on 6/30. 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.
Thu 10/1612:10 amONT - TPE
Nonstop14h 05mChina Airlines
Thu 11/69:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Deal found 6/30$768
This Korean Air deal was found by Cheapflights users on 6/29. 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 9/226:00 amONT - TPE
2 stops39h 10mKorean Air
Mon 10/131:20 pmTPE - ONT
2 stops42h 57mKorean Air
Deal found 6/29$776
This oojo deal was found by Cheapflights users on 6/28. 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 9/86:00 amONT - TPE
2 stops38h 50mAsiana Airlines
Tue 9/235:10 pmTPE - ONT
2 stops40h 18mAsiana Airlines
Deal found 6/28$824
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 9/26:00 amONT - KHH
2 stops24h 00mUnited Airlines
Tue 9/2310:25 amKHH - ONT
2 stops22h 12mUnited Airlines
Deal found 6/28$851
This Japan Airlines deal was found by Cheapflights users on 6/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2411:59 pmONT - TSA
2 stops29h 41mMultiple Airlines
Wed 9/32:20 pmTSA - ONT
2 stops38h 30mMultiple Airlines
Deal found 6/30$922
This Ovago deal was found by Cheapflights users on 6/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amONT - TSA
2 stops38h 35mJapan Airlines
Tue 10/219:10 amTSA - ONT
2 stops24h 20mJapan Airlines
Deal found 6/29$957
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:45 amONT - KHH
2 stops20h 00mMultiple Airlines
Tue 9/2310:15 amKHH - ONT
2 stops22h 45mMultiple Airlines
Deal found 6/28$1,348
This Korean Air deal was found by Cheapflights users on 6/28. 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 9/226:00 amONT - KHH
2 stops41h 05mKorean Air
Wed 10/157:05 amKHH - ONT
2 stops25h 12mKorean Air
Deal found 6/28$3,729
This oojo deal was found by Cheapflights users on 6/29. 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.
Thu 8/1412:45 amONT - KHH
2 stops28h 45mChina Airlines
Fri 8/228:40 amKHH - ONT
2 stops25h 00mChina Airlines
Deal found 6/29$4,582

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 June 30, 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

Wed 9/17

6:00 am-7:55 pm

2 stops22h 55m

Taipei City Taiwan Taoyuan Intl

Thu 10/30

9:45 am-10:50 am

1 stop16h 05m

$761

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Thu 10/16

12:10 am-5:15 am

Nonstop14h 05m

Taipei City Taiwan Taoyuan Intl

Thu 11/6

9:25 pm-4:50 pm

Nonstop11h 25m

$768

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 9/22

6:00 am-12:10 pm

2 stops39h 10m

Taipei City Taiwan Taoyuan Intl

Sat 10/18

1:20 pm-5:17 pm

2 stops42h 57m

$776

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 9/8

6:00 am-11:50 am

2 stops38h 50m

Taipei City Taiwan Taoyuan Intl

Tue 9/23

5:10 pm-6:28 pm

2 stops40h 18m

$824

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Tue 9/2

6:00 am-9:00 pm

2 stops24h 00m

Kaohsiung City

Tue 9/23

10:25 am-5:37 pm

2 stops22h 12m

$851

OntarioTaipei City

ONT - TSA

ONTTSA

Ontario

Sun 8/24

11:59 pm-8:40 pm

2 stops29h 41m

Taipei City Sung Shan

Wed 9/3

2:20 pm-1:50 pm

2 stops38h 30m

$922

OntarioTaipei City

ONT - TSA

ONTTSA

Ontario

Sat 8/23

6:00 am-11:35 am

2 stops38h 35m

Taipei City Sung Shan

Tue 10/21

9:10 am-6:30 pm

2 stops24h 20m

$957

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 9/1

12:45 am-11:45 am

2 stops20h 00m

Kaohsiung City

Tue 9/23

10:15 am-6:00 pm

2 stops22h 45m

$1,348

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Mon 9/22

6:00 am-2:05 pm

2 stops41h 05m

Kaohsiung City

Wed 10/15

7:05 am-5:17 pm

2 stops25h 12m

$3,729

OntarioKaohsiung City

ONT - KHH

ONTKHH

Ontario

Thu 8/14

12:45 am-8:30 pm

2 stops28h 45m

Kaohsiung City

Fri 8/22

8:40 am-6:40 pm

2 stops25h 00m

$4,582

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 20 results
1
2

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 $872). 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 June 30, 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 June 30, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air, and Japan 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
187 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.0

Crew

9.3

Food

8.8

Boarding

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
9.0
Wonderful
187 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.0

Crew

9.3

Food

8.8

Boarding

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
1,101 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.0

Crew

9.3

Food

8.8

Boarding

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.
Japan Airlines
8.3
Very good
1,504 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.0

Crew

9.3

Food

8.8

Boarding

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
745 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.0

Crew

9.3

Food

8.8

Boarding

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.
Asiana Airlines
8.2
Very good
449 reviews
STARLUX Airlines
9.0
Wonderful
187 reviews

Entertainment

9.0

Comfort

9.0

Overall

9.0

Crew

9.3

Food

8.8

Boarding

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 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 Delta, which is currently one of the cheapest options available, starting at $411. Korean Air flights start at $415 while deals on Japan Airlines start at $430 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 $1,902, our data indicates the cheapest price to be $403. The most popular route (Ontario - Taipei City Taiwan Taoyuan Intl), is priced around $714.

  • 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 $872). 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$736Average$863FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$751Average$957FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$752Average$815FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$782Average$788FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$852Average$886FlexibilityNo cancel feeOn-time69%

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