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Cheap Flights from Taipei Taiwan Taoyuan to Osan

Compare Taipei Taiwan Taoyuan to Osan flight deals

Find the cheapest month or even day of the year to fly to Osan

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Taipei Taiwan Taoyuan Airport to Osan flight deals

Looking for a cheap last-minute deal or the best roundtrip flight from Taipei Taiwan Taoyuan Airport to Osan? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
Seoul.฿2,883 per passenger.Departing Mon, Sep 29.One-way flight with T'way Air.Outbound indirect flight with T'way Air, departing from Taipei Taiwan Taoyuan on Mon, Sep 29, arriving in Gimpo International.Price includes taxes and charges.From ฿2,883, select.
Seoul.฿3,109 per passenger.Departing Mon, Dec 8.One-way flight with Tigerair Taiwan.Outbound indirect flight with Tigerair Taiwan, departing from Taipei Taiwan Taoyuan on Mon, Dec 8, arriving in Gimpo International.Price includes taxes and charges.From ฿3,109, select.
Seoul.฿3,346 per passenger.Departing Wed, Jan 28.One-way flight with Tigerair Taiwan.Outbound indirect flight with Tigerair Taiwan, departing from Taipei Taiwan Taoyuan on Wed, Jan 28, arriving in Gimpo International.Price includes taxes and charges.From ฿3,346, select.
Seoul.฿3,536 per passenger.Departing Mon, Mar 16.One-way flight with Tigerair Taiwan.Outbound indirect flight with Tigerair Taiwan, departing from Taipei Taiwan Taoyuan on Mon, Mar 16, arriving in Gimpo International.Price includes taxes and charges.From ฿3,536, select.
Seoul.฿4,080 per passenger.Departing Mon, Nov 17.One-way flight with Tigerair Taiwan.Outbound indirect flight with Tigerair Taiwan, departing from Taipei Taiwan Taoyuan on Mon, Nov 17, arriving in Gimpo International.Price includes taxes and charges.From ฿4,080, select.
Seoul.฿4,273 per passenger.Departing Tue, Jul 29.One-way flight with Eastar Jet.Outbound indirect flight with Eastar Jet, departing from Taipei Taiwan Taoyuan on Tue, Jul 29, arriving in Gimpo International.Price includes taxes and charges.From ฿4,273, select.
Seoul.฿4,600 per passenger.Departing Wed, Oct 22.One-way flight with Eastar Jet.Outbound indirect flight with Eastar Jet, departing from Taipei Taiwan Taoyuan on Wed, Oct 22, arriving in Gimpo International.Price includes taxes and charges.From ฿4,600, select.
Seoul.฿4,798 per passenger.Departing Mon, Aug 25.One-way flight with AirAsia X.Outbound indirect flight with AirAsia X, departing from Taipei Taiwan Taoyuan on Mon, Aug 25, arriving in Gimpo International.Price includes taxes and charges.From ฿4,798, select.

Taipei to Osan: Flight information

The things to know before you go.
Fly intoGimpo International Airport
Cheapest flight found฿2,883
Cheapest month to flySeptember

Find the cheapest month to fly from Taipei Taiwan Taoyuan to Osan

We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like Taipei Taiwan Taoyuan to Osan flights are currently cheapest in September. We’ve based this on flights into Gimpo International Airport.
Jul
from ฿4,273
Aug
from ฿4,798
Sep
from ฿2,883
Oct
from ฿4,600
Nov
from ฿4,080
Dec
from ฿3,109
Jan
from ฿3,346
Feb
from ฿5,409
Mar
from ฿3,536
Apr
from ฿7,388
May
from ฿7,380
Jun
from ฿7,441

Finding cheap flights from Taipei Taiwan Taoyuan to Osan: Frequently asked questions

There are two (2) airports near Osan: Gimpo International Airport and Cheongju Airport.
The best price we found for a round-trip flight from Taipei Taiwan Taoyuan to Osan is ฿8,110. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Taipei Taiwan Taoyuan to Osan. But we found flights with one or more stops from ฿8,110.
We’ve found roughly 0 per week flying from Taipei Taiwan Taoyuan Airport to Osan.
We've checked every Taipei Taiwan Taoyuan Airport to Osan fare we could find, and the cheapest upcoming date to fly seems to be on Thursday, September 11, 2025. Overall, the cheapest month to fly from Taipei Taiwan Taoyuan Airport to Osan is usually September.
If you're flying from Taipei Taiwan Taoyuan Airport, the cheapest airport near Osan is Gimpo International – which is 51.5 km away from the center of Osan. We've found flights to this airport from ฿8,110.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Taipei Taiwan Taoyuan Airport to Osan on Thursday, September 11, 2025.
No airlines currently offer direct flights between Taipei Taiwan Taoyuan Airport and Osan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Osan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Osan is around 40 days in advance, so don’t leave your flight to the last minute.
Gimpo International Airport is 51.5km from Osan, Cheongju Airport is 61.5km from Osan, and Incheon International Airport is 65.8km from Osan.
Gimpo International Airport is closest to Osan, at around 51.5 km away.
In July, the average temperature is usually around 24°C. August is typically the warmest month in Osan, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -7°C. The rainiest month is July.
Currently, the cheapest airline that flies to Gimpo International Airport – the closest airport to Osan – is Jeju Air.

Plan the rest of your trip from Taipei to Osan