Seoul (ICN) to Sydney (SYD) cheap flight deal from $411 USD in economy class

D7AirAsia X

Round Trip•Economy

ICN

Incheon International Airport

Seoul, South Korea

SYD

Sydney Airport

Sydney, Australia

$977 USD

-58%$411 USD

Verified Sep 20, 2025 at 6:36 AM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$978 30$1,067 1$993 2$1,204 3$1,242 4$1,242 5 6$1,066 7$837 8$770 9$808 10$808 11$808 12 13$721 14$688 15$602 16$655 17$602 18$602 19 20$586 21$621 22$526 23$411 24$411 25$657 26$586 27$586 28 29$426 30$586 31$411 1 2

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Tuesday, October 14th, 2025

8 round-trip options

Returning

Sun, Oct 19, 2025•5 Day Trip

$1,204 USD

Google Flights

Returning

Tue, Oct 21, 2025•7 Day Trip

$688 USD

Google Flights

Returning

Wed, Oct 22, 2025•8 Day Trip

$688 USD

Google Flights

Returning

Thu, Oct 23, 2025•9 Day Trip

$688 USD

Google Flights

Returning

Fri, Oct 24, 2025•10 Day Trip

$907 USD

Google Flights

Returning

Sat, Oct 25, 2025•11 Day Trip

$688 USD

Google Flights

Returning

Sun, Oct 26, 2025•12 Day Trip

$907 USD

Google Flights

Returning

Tue, Oct 28, 2025•14 Day Trip

$688 USD

Google Flights