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

September 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22$755 23$831 24$917 25$884 26$1,253 27$1,366 28 29$978 30$1,067 1$993 2$1,204 3$1,242 4$1,242 5

Extremely Rare Availability

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

Tuesday, September 30th, 2025

7 round-trip options

Returning

Sun, Oct 5, 2025•5 Day Trip

$1,067 USD

Google Flights

Returning

Tue, Oct 7, 2025•7 Day Trip

$1,359 USD

Google Flights

Returning

Wed, Oct 8, 2025•8 Day Trip

$1,291 USD

Google Flights

Returning

Thu, Oct 9, 2025•9 Day Trip

$1,359 USD

Google Flights

Returning

Fri, Oct 10, 2025•10 Day Trip

$1,359 USD

Google Flights

Returning

Sun, Oct 12, 2025•12 Day Trip

$1,359 USD

Google Flights

Returning

Tue, Oct 14, 2025•14 Day Trip

$1,081 USD

Google Flights