$411 Cheap Delta flights Ontario (ONT) to Taipei (TPE)

You can find affordable return Delta Air Lines flights from $756 from ONT to TPE by organizing your results from “Price (lowest to highest)” on Expedia. Or search for options from $411 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

September is one of the least expensive months to jet off to Taipei with Delta Air Lines. You could also find excellent prices on return and one-way tickets in August.

Start your search for Delta Air Lines flights from ONT to TPE about one month before you want to leave. The cheapest time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use our “Nonstop” filter when searching for direct Delta Air Lines flights from ONT to TPE. It’s also an easy way to compare other carriers servicing the same direct route.

Filter your results by “Morning” and “Early Morning” to browse the earliest departures from ONT to TPE. Jetting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Taipei come in to Taoyuan Intl. Airport (TPE). This is the main gateway to this destination.

Taking off from ONT to TPE with Delta Air Lines means enjoying a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to cancel or modify your flight, although additional charges may apply if your booking was made over 24 hours ago. Need to keep your options open? Apply the “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you need to alter your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more details.