HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Taiwan

$381+ 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
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Taiwan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 14, 2025.

Round-trip from

$715
(Delta)

One-way from

$381
(Delta)

Popular in

December

Cheapest in

September

Average price

$764

Good round-trip deal

$742 or less

Good one-way deal

$433 or less
From Ontario to Taiwan
Search Deals
One-way flight from Ontario to Taiwan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Taiwan.
Search Deals
Price to beat on a one-way flight from Ontario to Taiwan.
Search Deals

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 September 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 9/195:10 amONT - KHH
2 stops24h 50mUnited Airlines
Mon 9/2910:15 amKHH - ONT
2 stops22h 25mUnited Airlines
Deal found 9/13$634
This Delta deal was found by Cheapflights users on 9/14. 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 12/86:40 amONT - TPE
2 stops36h 20mDelta
Tue 1/2010:55 amTPE - ONT
2 stops28h 57mDelta
Deal found 9/14$715
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 10/19:55 amONT - TPE
2 stops19h 00mDelta
Sun 10/267:25 pmTPE - ONT
2 stops36h 45mDelta
Deal found 9/12$717
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 10/55:40 pmONT - TPE
1 stop35h 15mDelta
Sun 10/267:25 pmTPE - ONT
2 stops42h 16mDelta
Deal found 9/12$719
This Delta deal was found by Cheapflights users on 9/13. 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.
Mon 10/134:35 pmONT - TPE
2 stops36h 20mDelta
Mon 10/209:35 amTPE - ONT
2 stops29h 04mDelta
Deal found 9/13$720
This Delta deal was found by Cheapflights users on 9/14. 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 12/75:49 pmONT - TPE
2 stops49h 11mDelta
Tue 1/2010:55 amTPE - ONT
2 stops21h 24mDelta
Deal found 9/14$722
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:40 amONT - TPE
2 stops36h 20mKorean Air
Mon 1/197:25 pmTPE - ONT
2 stops35h 55mKorean Air
Deal found 9/14$723
This Delta deal was found by Cheapflights users on 9/12. 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 10/41:15 pmONT - TPE
2 stops63h 40mDelta
Sun 10/267:25 pmTPE - ONT
2 stops36h 45mDelta
Deal found 9/12$729
This Delta deal was found by Cheapflights users on 9/14. 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 12/511:50 amONT - TPE
1 stop17h 15mDelta
Wed 1/2110:55 amTPE - ONT
2 stops21h 24mDelta
Deal found 9/14$734
This Delta deal was found by Cheapflights users on 9/14. 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 12/511:50 amONT - TPE
1 stop17h 15mDelta
Tue 1/2010:55 amTPE - ONT
1 stop27h 43mDelta
Deal found 9/14$736
This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 11/196:45 amONT - TPE
1 stop22h 20mDelta
Tue 12/27:25 pmTPE - ONT
2 stops37h 43mDelta
Deal found 9/13$737
This CrystalTravel deal was found by Cheapflights users on 9/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:10 amONT - TPE
Nonstop14h 05mChina Airlines
Tue 10/79:10 pmTPE - ONT
Nonstop11h 50mChina Airlines
Deal found 9/12$746

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 September 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

Sun 10/26

6:00 am-9:05 pm

2 stops24h 05m

Taipei City Taiwan Taoyuan Intl

Sun 11/16

10:55 am-11:52 pm

2 stops28h 57m

$722

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 12/8

6:40 am-11:00 am

2 stops36h 20m

Taipei City Taiwan Taoyuan Intl

Mon 1/19

7:25 pm-10:38 pm

2 stops43h 13m

$723

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 12/7

11:50 am-11:00 am

2 stops55h 10m

Taipei City Taiwan Taoyuan Intl

Tue 1/20

10:55 am-10:38 pm

1 stop27h 43m

$724

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 11/5

11:48 am-9:05 pm

1 stop17h 17m

Taipei City Taiwan Taoyuan Intl

Tue 12/2

10:55 am-5:08 pm

1 stop22h 13m

$729

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 12/7

5:49 pm-11:00 am

2 stops49h 11m

Taipei City Taiwan Taoyuan Intl

Mon 1/19

10:55 am-4:19 pm

2 stops45h 24m

$734

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Fri 12/5

11:50 am-9:05 pm

1 stop17h 15m

Taipei City Taiwan Taoyuan Intl

Wed 1/21

10:55 am-4:19 pm

2 stops21h 24m

$734

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 12/7

6:40 am-9:05 pm

1 stop22h 25m

Taipei City Taiwan Taoyuan Intl

Wed 1/21

10:55 am-3:20 pm

1 stop20h 25m

$753

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 12/6

5:49 pm-9:05 pm

1 stop35h 16m

Taipei City Taiwan Taoyuan Intl

Mon 1/19

10:55 am-4:19 pm

2 stops45h 24m

$771

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 9/23

6:00 am-5:50 pm

2 stops44h 50m

Taipei City Taiwan Taoyuan Intl

Fri 10/17

6:55 pm-10:41 pm

2 stops42h 46m

$775

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sun 12/7

11:50 am-11:00 am

2 stops55h 10m

Taipei City Taiwan Taoyuan Intl

Fri 1/16

10:55 am-10:52 pm

2 stops51h 57m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 50 results
1
2
3
...
5

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 $849). 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 September 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 September 14, 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
211 reviews

Boarding

9.0

Overall

8.9

Comfort

8.9

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

Boarding

9.0

Overall

8.9

Comfort

8.9

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

Boarding

9.0

Overall

8.9

Comfort

8.9

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.
Delta
8.0
Very good
7,956 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Comfort

8.9

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.
United Airlines
7.4
Good
8,931 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Boarding

9.0

Overall

8.9

Comfort

8.9

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 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 23h 20m. Delta provides one of the quickest options available for as low as $885. The distance between Ontario and Taiwan is about 6975 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 $1,835, our data indicates the cheapest price to be $391. The most popular route (Ontario - Taipei City Taiwan Taoyuan Intl), is priced around $655.

  • 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 $849). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Taiwan

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
San Francisco to Hong Kong flights
San Francisco to Taiwan Taoyuan Intl flights
Los Angeles to Incheon Intl flights
San Francisco to New Delhi flights
San Francisco to Suvarnabhumi flights
Los Angeles to Taiwan Taoyuan Intl flights
Ontario to Narita flights
Los Angeles to Ho Chi Minh City flights
San Francisco to Mumbai flights
San Francisco to Ho Chi Minh City flights
San Francisco to Hongqiao Intl flights
Los Angeles to Kansai Intl flights
Los Angeles to Hong Kong flights
Ontario to Haneda flights
San Francisco to Incheon Intl flights
San Francisco to Pu Dong flights
Los Angeles to Hongqiao Intl flights
San Diego to Narita flights
Ontario to Suvarnabhumi flights
Ontario to Manila flights
Los Angeles to New Delhi flights
Los Angeles to Pu Dong flights
Burbank to Narita flights
San Francisco to Bangalore flights
San Jose to New Delhi flights
Ontario to Taiwan Taoyuan Intl flights
Los Angeles to Singapore flights
Los Angeles to Mumbai flights
Oakland to New Delhi flights
Los Angeles to Gimpo Intl flights
Santa Ana to Haneda flights
San Francisco to Sung Shan flights
Los Angeles to Don Mueang Intl flights
Los Angeles to Yerevan flights
San Francisco to Hyderabad flights
Burbank to Suvarnabhumi flights
San Jose to Haneda flights
Burbank to Manila flights
Los Angeles to Sung Shan flights
Santa Ana to Suvarnabhumi flights
Santa Ana to Manila flights
San Diego to Haneda flights
Ontario to Ho Chi Minh City flights

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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$655Average$764FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$713Average$804FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$728Average$859FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$851Average$880FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.