Cheap Flights from Philadelphia (PHL) to Tainan (TNN)

Popular airlines from Philadelphia Intl. Airport (PHL) to Tainan (TNN)

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN) cost?
Get a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN)?
is the most affordable month to fly from PHL to TNN. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHL to TNN flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN)?
There are no daily nonstop flights available from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PHL to TNN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN)?
To reach Tainan Airport (TNN) without delays, opt for a flight that leaves Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN) last-minute?
Waiting until right before your break to book a flight from PHL to TNN generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a PHL to TNN flight and hotel package?
You can save money by securing a PHL to TNN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Tainan Airport (TNN)?
In most cases, you can reschedule or cancel your PHL to TNN flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Tainan
Distance
7982 mi

Book with confidence

Book with confidence

Philadelphia to Tainan Flights

The cheapest times to fly from Philadelphia to Tainan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Tainan are during the month of . You can find some of the cheapest flights from Philadelphia to Tainan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Tainan

Sunday is one of the best days to book for cheap flights from Philadelphia to Tainan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Tainan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Tainan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Tainan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Tainan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Tainan Flights

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Explore a world of travel with Expedia

*Available to One Key members.