Flights to Osan, Gyeonggi from NT$1,017

View NT$314 flight on Sat, 2025/10/4Opens in a new window

Popular airlines to Osan

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 45% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Osan?

Prices were available within the past 7 days and start at NT$314 for one-way flights and NT$1,017 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Thu, Oct 16 - Wed, Oct 22
PUS
Busan
GMP
Seoul
NT$1,017 Roundtrip, found 20 hours ago
NT$1,017
Roundtrip
found 20 hours ago
Select Jeju Air with Bag flight, departing Thu, Oct 16 from Busan to Seoul, returning Wed, Oct 22, priced at NT$1,017 found 20 hours ago
T'way Air with baggage
Thu, Oct 16 - Wed, Oct 22
PUS
Busan
GMP
Seoul
NT$1,616 Roundtrip, found 20 hours ago
NT$1,616
Roundtrip
found 20 hours ago
Select T'way Air with baggage flight, departing Thu, Oct 16 from Busan to Seoul, returning Wed, Oct 22, priced at NT$1,616 found 20 hours ago
Jeju Air
Thu, Oct 16 - Wed, Oct 22
PUS
Busan
GMP
Seoul
NT$3,421 Roundtrip, found 20 hours ago
NT$3,421
Roundtrip
found 20 hours ago
Select Jeju Air flight, departing Thu, Oct 16 from Busan to Seoul, returning Wed, Oct 22, priced at NT$3,421 found 20 hours ago
Peach
Thu, Nov 27 - Mon, Dec 1
KIX
Osaka
GMP
Seoul
NT$3,589 Roundtrip, found 3 hours ago
NT$3,589
Roundtrip
found 3 hours ago
Select Peach flight, departing Thu, Nov 27 from Osaka to Seoul, returning Mon, Dec 1, priced at NT$3,589 found 3 hours ago
Asiana Airlines
Sat, Oct 4 - Wed, Oct 8
KIX
Osaka
GMP
Seoul
NT$4,945 Roundtrip, found 17 hours ago
NT$4,945
Roundtrip
found 17 hours ago
Select Asiana Airlines flight, departing Sat, Oct 4 from Osaka to Seoul, returning Wed, Oct 8, priced at NT$4,945 found 17 hours ago
Flights to Osan information
Destination airport
Gimpo Intl.
Destination airport IATA code
GMP
Destination city name
Seoul
Roundtrip price
NT$1,017

Trending flights to Osan

Prices were available within the past 7 days and start at NT$314 for one-way flights and NT$1,017 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tigerair Taiwan
Sun, Oct 5 - Thu, Oct 16
KHH
Kaohsiung
GMP
Seoul
NT$5,320 Roundtrip, found 11 hours ago
NT$5,320
Roundtrip
found 11 hours ago
Select Tigerair Taiwan flight, departing Sun, Oct 5 from Kaohsiung to Seoul, returning Thu, Oct 16, priced at NT$5,320 found 11 hours ago
*Available to Expedia members.