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$325+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TPE
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Round-trip from

$651
(CrystalTravel)

One-way from

$325
(Kissandfly.com)

Popular in

December

Cheapest in

October

Average price

$740

Good round-trip deal

$691 or less

Good one-way deal

$419 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. 8% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 6, 2026.

This CrystalTravel deal was found by Cheapflights users on 1/5. 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 5/412:10 amONT - TPE
Nonstop14h 05mChina Airlines
Tue 5/199:10 pmTPE - ONT
Nonstop11h 50mChina Airlines
Deal found 1/5$651
This Delta deal was found by Cheapflights users on 1/3. 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 1/103:30 pmONT - TPE
1 stop37h 35mDelta
Fri 7/39:35 amTPE - ONT
2 stops29h 09mDelta
Deal found 1/3$653
This Delta deal was found by Cheapflights users on 1/3. 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 1/101:11 pmONT - TPE
2 stops63h 54mDelta
Sat 7/49:35 amTPE - ONT
1 stop18h 14mDelta
Deal found 1/3$659
This Delta deal was found by Cheapflights users on 1/3. 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 1/103:30 pmONT - TPE
1 stop37h 35mDelta
Sun 7/59:35 amTPE - ONT
2 stops53h 09mDelta
Deal found 1/3$665
This CrystalTravel deal was found by Cheapflights users on 1/4. 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.
Fri 4/2411:10 pmONT - TPE
Nonstop14h 05mSTARLUX Airlines
Sat 5/28:05 pmTPE - ONT
Nonstop12h 00mSTARLUX Airlines
Deal found 1/4$667
This Delta deal was found by Cheapflights users on 1/6. 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 4/111:59 amONT - TPE
1 stop16h 56mDelta
Sat 4/189:35 amTPE - ONT
1 stop16h 38mDelta
Deal found 1/6$668
This Delta deal was found by Cheapflights users on 1/4. 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 8/311:55 amONT - TPE
1 stop17h 00mDelta
Tue 9/159:35 amTPE - ONT
1 stop22h 41mDelta
Deal found 1/4$670
This SmartFares deal was found by Cheapflights users on 1/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2010:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Tue 1/279:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Deal found 1/6$671
This Delta deal was found by Cheapflights users on 1/6. 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 4/16:00 amONT - TPE
2 stops22h 55mDelta
Fri 4/179:35 amTPE - ONT
2 stops21h 50mDelta
Deal found 1/6$673
This Delta deal was found by Cheapflights users on 1/5. 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 5/95:55 pmONT - TPE
1 stop35h 00mDelta
Thu 6/49:35 amTPE - ONT
1 stop22h 41mDelta
Deal found 1/5$674
This CrystalTravel deal was found by Cheapflights users on 1/6. 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 1/1910:50 pmONT - TPE
Nonstop14h 40mChina Airlines
Fri 2/209:25 pmTPE - ONT
Nonstop11h 25mChina Airlines
Deal found 1/6$677
This United Airlines deal was found by Cheapflights users on 1/4. 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.
Sun 9/66:00 amONT - KHH
2 stops24h 00mUnited Airlines
Thu 9/1010:25 amKHH - ONT
2 stops27h 41mUnited Airlines
Deal found 1/4$793

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 January 6, 2026.
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 4/27

7:30 am-7:55 pm

1 stop21h 25m

Taipei City Taiwan Taoyuan Intl

Sat 5/30

9:35 am-5:16 pm

1 stop22h 41m

$668

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 4/1

6:00 am-7:55 pm

2 stops22h 55m

Taipei City Taiwan Taoyuan Intl

Thu 4/16

9:35 am-5:15 pm

1 stop22h 40m

$673

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Thu 4/9

6:00 am-7:55 pm

2 stops22h 55m

Taipei City Taiwan Taoyuan Intl

Sun 4/19

9:35 am-11:13 am

1 stop16h 38m

$673

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Mon 4/13

6:00 am-7:55 pm

2 stops22h 55m

Taipei City Taiwan Taoyuan Intl

Thu 4/30

9:35 am-11:44 pm

2 stops29h 09m

$673

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Wed 4/29

11:53 am-7:55 pm

1 stop17h 02m

Taipei City Taiwan Taoyuan Intl

Fri 5/29

9:35 am-11:44 pm

2 stops29h 09m

$673

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 4/18

6:00 am-7:55 pm

2 stops22h 55m

Taipei City Taiwan Taoyuan Intl

Sat 5/2

9:35 am-10:43 pm

2 stops28h 08m

$673

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Sat 5/9

5:05 pm-7:55 pm

2 stops35h 50m

Taipei City Taiwan Taoyuan Intl

Thu 6/4

9:35 am-4:14 pm

2 stops21h 39m

$684

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 1/20

6:00 am-7:50 pm

1 stop21h 50m

Taipei City Taiwan Taoyuan Intl

Thu 2/19

11:10 am-12:38 pm

1 stop17h 28m

$711

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 2/17

6:00 am-9:05 pm

2 stops23h 05m

Taipei City Taiwan Taoyuan Intl

Tue 2/24

10:55 am-11:49 pm

2 stops28h 54m

$713

OntarioTaipei City

ONT - TPE

ONTTPE

Ontario

Tue 2/17

6:00 am-9:05 pm

2 stops23h 05m

Taipei City Taiwan Taoyuan Intl

Mon 2/23

10:55 am-11:49 pm

2 stops28h 54m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 57 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 $907). 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 January 6, 2026.

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.

How often are flights from Ontario to Taiwan delayed?

About 7% of weekly flights between Ontario and Taiwan have experienced delays in the past year, with the average delay time being 66 minutes.

What is the most punctual flight time for Ontario to Taiwan flights?

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

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ontario to Taiwan flights?

Over the last year, China Airlines have had the lowest number of delays on this route, with just 7% 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 January 6, 2026.
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
256 reviews

Comfort

8.8

Crew

9.1

Food

8.7

Boarding

8.9

Overall

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very good
256 reviews
STARLUX Airlines
8.9
Very good
256 reviews

Comfort

8.8

Crew

9.1

Food

8.7

Boarding

8.9

Overall

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
China Airlines
8.3
Very good
798 reviews
STARLUX Airlines
8.9
Very good
256 reviews

Comfort

8.8

Crew

9.1

Food

8.7

Boarding

8.9

Overall

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Delta
7.9
Good
8,019 reviews
STARLUX Airlines
8.9
Very good
256 reviews

Comfort

8.8

Crew

9.1

Food

8.7

Boarding

8.9

Overall

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
United Airlines
7.4
Good
9,135 reviews
STARLUX Airlines
8.9
Very good
256 reviews

Comfort

8.8

Crew

9.1

Food

8.7

Boarding

8.9

Overall

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 25m. Delta provides one of the quickest options available for as low as $668. 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 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 $342. STARLUX Airlines flights start at $368 while deals on China Airlines start at $382 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 $1,125, our data indicates the cheapest price to be $381. The most popular route (Ontario - Taipei City Taiwan Taoyuan Intl), is priced around $611.

  • 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 $907). 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$649Average$842FlexibilityNo cancel feeOn-time70%
DeltaCheapest$655Average$757FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$656Average$789FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$767Average$989FlexibilityNo cancel feeOn-time69%

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