Cheap Flights from Tainan (TNN) to Seoul (ICN)

Popular airlines from Tainan (TNN) to Incheon Intl. Airport (ICN)

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Flights from Tainan (TNN) to Seoul (ICN)
Origin airport
Tainan
Destination airport
Incheon Intl.
Distance
1068 mi

Tainan to Seoul Flights

The cheapest times to fly from Tainan to Seoul

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 Tainan to Seoul are during the month of . You can find some of the cheapest flights from Tainan to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tainan to Seoul

Sunday is one of the best days to book for cheap flights from Tainan to Seoul: 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 Tainan to Seoul

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 Tainan to Seoul 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 Tainan to Seoul 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 Tainan to Seoul 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.

 

Frequently asked questions

How much does a flight from Tainan Airport (TNN) to Incheon Intl. Airport (ICN) cost?
Get a cheap one-way flight or cheap return flight from Tainan Airport (TNN) to Incheon Intl. Airport (ICN) 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 Tainan Airport (TNN) to Incheon Intl. Airport (ICN)?
Flying in is a great way to save, as it's the cheapest month for flights between TNN and ICN. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Tainan Airport (TNN) to Incheon Intl. Airport (ICN)?
You can't fly directly from Tainan (TNN) to Incheon Intl. Airport (ICN). However, you can find other airports that have nonstop flights. Board your plane at Kaohsiung Intl. Airport (KHH) and travel straight to Seoul without layovers.
What is the cheapest airline that flies from Tainan Airport (TNN) to Incheon Intl. Airport (ICN)?
To find the cheapest airline that'll fly you from TNN to ICN, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Tainan Airport (TNN) to Incheon Intl. Airport (ICN)?
You'll need to catch a flight with a layover if you're traveling from Tainan Airport (TNN) to Incheon Intl. Airport (ICN). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from TNN to ICN?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tainan Airport (TNN) to Incheon Intl. Airport (ICN)?
To reach Incheon Intl. Airport (ICN) on time, book a flight that takes off from Tainan Airport (TNN) before 3 PM. The chance 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 Tainan Airport (TNN) to Incheon Intl. Airport (ICN) last-minute?
Booking your flight from TNN to ICN right before your getaway is usually more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a TNN to ICN flight and hotel package?
Compared with arranging flights and hotels separately, booking a TNN to ICN flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Tainan Airport (TNN) to Incheon Intl. Airport (ICN)?
In most instances, you're able to reschedule or cancel your TNN to ICN flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, visit our Customer Service portal.

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