The cheapest times to fly from KIX to TNN are

  • February 12th to March 4th
  • May 7th to July 29th (except the week of July 2nd)
  • August 13th to August 26th
  • September 10th to September 30th (except the week of September 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from KIX to TNN is early to mid July. Prices can be as high as $1528 for Sunday flights during late January and early February, or as low as $317 for Friday flights around early to mid July.


When to Fly to Tainan

Flying from Osaka (KIX) to Tainan (TNN) will usually cost between $346 to $1432 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid July with an average ticket price of $356. Due to high demand the most expensive time to fly is late January and early February, with an average price of $1190. Planning your trip to low-cost times can easily save you $834 on economy flights and even more on first-class flights. Generally, any price below $1046 can be considered a good price for a round-trip KIX to TNN flight.

See below for a graph of average weekly prices for the KIX to TNN route. All prices are for round-trip tickets in USD.

KIX to TNN Flight Prices

Compared to other flights, the KIX to TNN flight is priced close to the average and costs about as much as the average flight leaving from Osaka. The average price per mile (for a direct flight) is $0.54, which is above average.


Flight Prices by Day of the Week

Friday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Tainan, and Saturdays are the most expensive days to return to Osaka. Selecting flights on the least expensive days could save you up to $938 (67%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $370. Return trip prices are from the TNN to KIX flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from KIX to TNN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 9 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from KIX to TNN while comparing.

Destination alternative #1: Kaohsiung International Airport (KHH) in Kaohsiung

  • 27 miles (43 km) away from TNN
  • Usually 79.73% less expensive than TNN
  • Nonstop flights available

See KIX to KHH flights


Flight Hacking KIX to TNN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from KIX to TNN — but Champion Traveler does!

Hack #1: Hong Kong (KIX > HKG > TNN)

  • Price for both tickets: $433
  • Average savings: $613 (58.6%)

See KIX to SGN flights

Hack #2: Ho Chi Minh City (KIX > SGN > TNN)

  • Price for both tickets: $645
  • Average savings: $402 (38.38%)

See KIX to HKG flights


Flight Questions Answered

Still have questions about flying from KIX to TNN? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Air India, ANA, Asiana, Cathay Dragon, Cathay Pacific, China Airlines, China Southern, EVA Air, JAL, Shanghai Airlines, VietJet Air, Xiamen, and potentially more during busy seasons.

How far away is it from Tainan Airport to Kansai International Airport?

The distance between the two airports is roughly 1205 miles or 1939 kilometers.

How long does it take to fly from KIX to TNN?

The real-world flight time for a nonstop KIX to TNN flight is about 3 hour 9 minutes.

How many flights go between Osaka and Tainan?

It depends on the day of the week and the date, but a typical day might have around 33 available flights from KIX to TNN.


Airport Location Info


Departing Airport

Origination code KIX
Origination airport name Kansai International Airport
City Osaka
Country Japan
Latitude 34.4
Longitude 135.2

Return Airport

Destination code TNN
Destination airport name Tainan Airport
City Tainan
Country Taiwan
Latitude 23
Longitude 120.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.