$238+ Cheap flights from Incheon Intl (ICN) to Sydney (SYD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SYD
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Incheon Intl to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Incheon Intl to Sydney Kingsford Smith are usually found in March or May, booked 82 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Incheon Intl to Sydney
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to SydneyExplore the most affordable flight options available from Incheon Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Incheon Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 am -
1 stop26h 10m
Fri 10/2311:45 am -
Nonstop10h 30m
Deal found 9/23![Multiple Airlines logo]()
$575
This Jetstar deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:50 pm -
Nonstop10h 15m
Tue 11/1711:40 am -
Nonstop10h 35m
Deal found 9/22![Jetstar logo]()
$577
This FlightHub deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:55 pm -
2 stops35h 10m
Sun 11/2911:05 am -
2 stops33h 50m
Deal found 9/22![China Eastern logo]()
$578
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:25 am -
3 stops28h 10m
Sun 11/1511:05 am -
2 stops33h 50m
Deal found 9/21![China Eastern logo]()
$580
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:15 pm -
1 stop18h 50m
Tue 11/179:30 pm -
2 stops39h 45m
Deal found 9/23![China Eastern logo]()
$581
This Booking.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:25 am -
2 stops23h 50m
Fri 11/1311:10 am -
3 stops28h 05m
Deal found 9/23![China Eastern logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:50 pm -
Nonstop10h 15m
Sun 1/318:05 pm -
1 stop16h 05m
Deal found 9/19![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:50 pm -
Nonstop10h 15m
Mon 2/111:40 am -
Nonstop10h 35m
Deal found 9/19![Jetstar logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/179:50 pm -
Nonstop10h 15m
Thu 2/411:40 am -
Nonstop10h 35m
Deal found 9/19![Jetstar logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/159:40 pm -
Nonstop10h 35m
Sun 3/711:40 am -
Nonstop10h 35m
Deal found 9/19![Multiple Airlines logo]()
$597
Best flights from Incheon Intl to SydneyDiscover carefully curated flight deals from Incheon Intl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Incheon Intl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Jetstar deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:50 pm -
Nonstop10h 15m
Fri 12/1111:40 am -
Nonstop10h 35m
Deal found 9/22![Jetstar logo]()
$657
This Vietnam Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:35 am -
1 stop24h 40m
Fri 3/1211:50 am -
1 stop20h 40m
Deal found 9/19![Vietnam Airlines logo]()
$831
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:40 pm -
Nonstop10h 35m
Wed 11/1112:15 pm -
Nonstop11h 00m
Deal found 9/20![Trinity Airways (Formerly T'way Air) logo]()
$882
This Asiana Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:00 pm -
Nonstop10h 20m
Wed 11/2510:20 am -
Nonstop10h 40m
Deal found 9/21![Asiana Airlines logo]()
$913
This Korean Air deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/218:00 am -
Nonstop10h 05m
Sat 2/279:55 pm -
Nonstop10h 40m
Deal found 9/21![Korean Air logo]()
$1,019
This Jetstar deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:50 pm -
Nonstop10h 15m
Thu 12/3111:40 am -
Nonstop10h 35m
Deal found 9/22![Jetstar logo]()
$773
This Vietnam Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:05 pm -
1 stop17h 10m
Sat 12/511:50 am -
1 stop20h 40m
Deal found 9/20![Vietnam Airlines logo]()
$881
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:40 pm -
Nonstop10h 35m
Sun 11/2912:15 pm -
Nonstop11h 00m
Deal found 9/18![Trinity Airways (Formerly T'way Air) logo]()
$959
This Asiana Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:40 am -
Nonstop10h 25m
Tue 10/209:45 pm -
Nonstop10h 45m
Deal found 9/20![Asiana Airlines logo]()
$986
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:40 pm -
Nonstop10h 35m
Wed 11/2512:15 pm -
Nonstop11h 00m
Deal found 9/22![Trinity Airways (Formerly T'way Air) logo]()
$981
Last-minute flights from Incheon Intl to SydneyDiscover last-minute flight deals from Incheon Intl to Sydney. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Sydney. Data last updated September 24, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:15 pm -
3 stops40h 45m
Fri 10/911:05 am -
2 stops34h 30m
Deal found 9/20![China Eastern logo]()
$603
This Booking.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:15 pm -
1 stop34h 45m
Fri 10/1611:05 am -
2 stops34h 30m
Deal found 9/23![China Eastern logo]()
$600
This Justfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:35 pm -
1 stop34h 25m
Tue 10/2011:05 am -
1 stop28h 10m
Deal found 9/21![China Eastern logo]()
$607
This FlightHub deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:15 pm -
1 stop18h 45m
Tue 10/2011:05 am -
2 stops33h 35m
Deal found 9/22![China Eastern logo]()
$578
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:50 pm -
2 stops39h 10m
Sun 10/189:30 pm -
1 stop16h 25m
Deal found 9/23![China Eastern logo]()
$580
This FlightHub deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:30 am -
2 stops22h 30m
Fri 10/2311:05 am -
1 stop33h 25m
Deal found 9/23![China Eastern logo]()
$581
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:40 pm -
1 stop35h 25m
Fri 10/2311:05 am -
1 stop34h 30m
Deal found 9/21![China Eastern logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 am -
1 stop26h 10m
Fri 10/2311:45 am -
Nonstop10h 30m
Deal found 9/23![Multiple Airlines logo]()
$575
This Jetstar deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:50 pm -
Nonstop10h 15m
Sat 10/2411:45 am -
Nonstop10h 30m
Deal found 9/20![Jetstar logo]()
$595
One-way flights from Incheon Intl to SydneySearch for one-way flight options from Incheon Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Incheon Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Jetstar deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/39:50 pm -
Nonstop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Jetstar logo]()
$238
This Jetstar deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/119:50 pm -
Nonstop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Jetstar logo]()
$252
This CheapOair deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:30 am -
1 stop22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Scoot logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:50 pm -
Nonstop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Jetstar logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 am -
1 stop21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![VietJet Air logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:15 pm -
1 stop36h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$266
This Jetstar deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:50 pm -
Nonstop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Jetstar logo]()
$267
This CheapOair deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:50 pm -
Nonstop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Jetstar logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:50 pm -
Nonstop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Jetstar logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:15 pm -
2 stops45h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:40 am -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:50 am -
1 stop22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$287
Find flight deals from Incheon Intl to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $575 (Kiwi.com) |
One-way from | $238 (Jetstar) |
Popular in | January |
Cheapest in | March |
Average price | $648 |
Good round-trip deal | $749 or less |
Good one-way deal | $325 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Fri 12/11
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$252
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Sun 2/21
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$266
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Tue 10/20
11:40 am-8:20 am
1 stop18h 40m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$295
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Thu 12/17
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Tue 10/20
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Mon 10/19
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$331
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Mon 12/28
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$332
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Fri 11/6
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$363
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Mon 9/28
10:10 pm-9:55 am
Nonstop10h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$463
IncheonSydney
ICN Incheon Intl - SYD Sydney Kingsford Smith
ICNSYD
Incheon Intl
Sat 10/10
9:50 pm-10:05 am
Nonstop10h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$496
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Sydney in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Incheon Intl with our price prediction graph.
ICN-SYD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to Sydney
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to Sydney?
Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Incheon Intl Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to Sydney (average of $497). Flying from Incheon Intl Airport to Sydney in January is currently the most expensive (average of $930). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to SYD?
Find hourly flight availability from Incheon Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 24, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Incheon Intl Airport to Sydney as you normally would.
How often are flights from Incheon to Sydney delayed?
About 24% of weekly flights between Incheon and Sydney have experienced delays in the past year, with the average delay time being 126 minutes.
What is the most punctual flight time for Incheon to Sydney flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Sydney flights?
Over the last year, Trinity Airways (Formerly T'way Air) have had the lowest number of delays on this route, with just 17% of flights being delayed.
The best insider tips for Incheon Intl Airport to Sydney flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Sydney trip
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Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated September 24, 2026.
Read through reviews of airlines operating flights from Incheon Intl Airport to Sydney, such as Korean Air,Asiana Airlines, andJetstar. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.5
Food
8.1
Comfort
8.3
Overall
8.4
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Boarding
8.5
Food
8.1
Comfort
8.3
Overall
8.4
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Boarding
8.5
Food
8.1
Comfort
8.3
Overall
8.4
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Boarding
8.5
Food
8.1
Comfort
8.3
Overall
8.4
Entertainment
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Sydney if you plan to visit one of these locationsParramatta
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Top 3 airlines flying from Incheon Intl to Sydney
Discover the top 3 airlines that operate flights from Incheon Intl to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$407 | Average$651 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$748 | Average$1,101 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$884 | Average$1,096 | FlexibilityNo cancel fee | On-time76% |