$63+ Cheap flights from Incheon Intl Airport

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ICN — SYD
19 Aug — 26 Aug1
1 adult

What to know about flights from Incheon Intl

Discover essential information about flights departing from Incheon Intl, including flight schedules, destinations, airlines operating at the Incheon Intl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 14 August 2025.

Cheapest airline

Jeju Air

Good round-trip deal

$100 or less

Good one-way deal

$56 or less
On average, Jeju Air currently has the cheapest one-way flight from Incheon Intl (avg. price of $117).
Price to beat on a round-trip flight from Incheon Intl.
Price to beat on a one-way flight from Incheon Intl.

Find flights from Incheon Intl

Cheapest flights from Incheon Intl
Explore the most affordable flight options available from Incheon Intl. Find the lowest fares based on data from user searches, with prices last updated on 14 August 2025.

Sun 28/910:40ICN - KIX
Nonstop1h 55mJeju Air
Tue 30/911:50KIX - ICN
Nonstop2h 00mJeju Air
Deal found 12/8$131
Fri 29/815:55ICN - KIX
Nonstop2h 10mT'way Air
Sat 6/914:30KIX - ICN
Nonstop2h 05mT'way Air
Deal found 13/8$136
Tue 16/1215:50ICN - KIX
Nonstop2h 00mT'way Air
Thu 18/1211:15KIX - ICN
Nonstop2h 05mT'way Air
Deal found 13/8$151
Tue 28/1015:50ICN - KIX
Nonstop2h 00mT'way Air
Thu 6/1115:40KIX - ICN
Nonstop2h 15mT'way Air
Deal found 13/8$153
Sun 31/811:10ICN - KIX
Nonstop1h 45mT'way Air
Wed 3/914:30KIX - ICN
Nonstop2h 00mT'way Air
Deal found 13/8$157
Wed 10/908:10ICN - KIX
Nonstop1h 50mJin Air
Mon 15/911:00KIX - ICN
Nonstop1h 50mJin Air
Deal found 12/8$160
Mon 29/910:40ICN - KIX
Nonstop1h 55mJeju Air
Thu 2/1013:35KIX - ICN
Nonstop2h 10mJeju Air
Deal found 12/8$162
Thu 18/907:10ICN - KIX
Nonstop1h 50mJeju Air
Wed 1/1016:30KIX - ICN
Nonstop2h 05mJeju Air
Deal found 14/8$164
Wed 17/918:00ICN - BKK
Nonstop6h 05mT'way Air
Fri 19/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 12/8$165
Fri 29/807:10ICN - KIX
Nonstop1h 50mJeju Air
Sat 6/913:35KIX - ICN
Nonstop2h 10mJeju Air
Deal found 12/8$167
Sun 14/907:10ICN - KIX
Nonstop1h 50mJeju Air
Wed 17/913:35KIX - ICN
Nonstop2h 10mJeju Air
Deal found 14/8$168
Sun 14/907:10ICN - KIX
Nonstop1h 50mJeju Air
Thu 18/909:50KIX - ICN
Nonstop2h 00mJeju Air
Deal found 12/8$171

Find flights from Incheon Intl within your budget

 
Find flights departing from Incheon Intl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 14 August 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 28/9

10:40-12:35

Nonstop1h 55m

Osaka Kansai Intl

Tue 30/9

11:50-13:50

Nonstop2h 00m

$131

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 10/9

07:10-09:00

Nonstop1h 50m

Osaka Kansai Intl

Mon 29/9

13:35-15:45

Nonstop2h 10m

$131

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Thu 18/9

07:10-09:00

Nonstop1h 50m

Osaka Kansai Intl

Wed 24/9

11:50-13:50

Nonstop2h 00m

$133

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 9/12

15:50-17:50

Nonstop2h 00m

Osaka Kansai Intl

Thu 11/12

11:15-13:20

Nonstop2h 05m

$151

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 16/12

15:50-17:50

Nonstop2h 00m

Osaka Kansai Intl

Wed 24/12

11:15-13:20

Nonstop2h 05m

$151

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 12/11

15:50-17:50

Nonstop2h 00m

Osaka Kansai Intl

Thu 13/11

15:40-17:55

Nonstop2h 15m

$153

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 16/12

15:50-17:50

Nonstop2h 00m

Osaka Kansai Intl

Thu 18/12

11:15-13:20

Nonstop2h 05m

$153

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 28/10

15:50-17:50

Nonstop2h 00m

Osaka Kansai Intl

Thu 6/11

15:40-17:55

Nonstop2h 15m

$153

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 3/12

15:50-17:50

Nonstop2h 00m

Osaka Kansai Intl

Wed 10/12

11:15-13:20

Nonstop2h 05m

$153

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 16/11

19:50-00:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Wed 19/11

01:30-09:00

Nonstop5h 30m

$223

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 results
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Best time to book a flight from Incheon Intl

Have a flexible travel schedule? Discover the best time to fly from Incheon Intl with our price prediction graph.
Estimated return 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.

Travel insights for flights from Incheon Intl

Get recent, data-driven insights about flights from Incheon Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Incheon Intl Airport?

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Sydney. Price data was last updated on 8 August 2025.

The best time to book flights from Incheon Intl Airport is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Incheon Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport (average of $570). Flying from Incheon Intl Airport in October will prove the most costly (average of $665). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Incheon Intl

Get insights into the airlines that provide service from Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Incheon Intl. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, andQantas Airways from Incheon Intl Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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Alternate flight departure points to Incheon Intl

Consider leaving from one of these other departure points that are located a short distance from Incheon Intl. Flight origins were last updated on 14 August 2025.

Related info for your journey

Access useful and relevant information related to your journey from Incheon Intl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 14 August 2025.
  • What are the most popular destinations to fly to from Incheon Intl Airport?

    For the current month, the most popular flights from Incheon Intl Airport are Da Nang, Bangkok Suvarnabhumi Airport, Nha Trang. Da Nang, Bangkok Suvarnabhumi Airport, Nha Trang are the most popular locations from Incheon Intl Airport year round.

  • What is the cheapest flight from Incheon Intl Airport to anywhere?

    Users have flown out of Incheon Intl Airport for as low as $45 to Fukuoka (prices may vary depending on the airline and departure time). On average, users have booked flights for $599 to fly from Incheon Intl Airport.

  • What are the cheapest airlines flying from Incheon Intl Airport to anywhere?

    According to our data, users have found AIR PREMIA, Jeju Air, and Cebu Pacific to have the cheapest round-trip prices from Incheon Intl Airport. Some of the destinations and prices are as follows: AIR PREMIA flights from Incheon Intl Airport to Tokyo ($91). Jeju Air flights from Incheon Intl Airport to Hong Kong Intl ($159). Cebu Pacific flights from Incheon Intl Airport to Manila Ninoy Aquino Intl ($231).

  • What is the cheapest premium economy flight from Incheon Intl Airport?

    Options for some of the cheapest premium economy flights from Incheon Intl Airport we have found on Cheapflights are as follows:
    Fly from Incheon Intl to Tokyo Narita Airport starting at $1,176
    Fly from Incheon Intl to Shanghai Pu Dong Airport starting at $1,332
    Fly from Incheon Intl to Helsinki starting at $1,756
    Fly from Incheon Intl to Shenzhen starting at $1,850

  • What is the cheapest first class flight from Incheon Intl Airport?

    If you’re looking to fly first-class from Incheon Intl Airport to anywhere, put Xiamen on your list as prices start at $14,833 for this destination.

  • What is the cheapest month to fly from Incheon Intl Airport?

    Currently, the cheapest month for flights from Incheon Intl Airport is March. The most expensive month for flights is October. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Incheon Intl Airport?

    View the cheapest flight destinations from Incheon Intl Airport:
    Fly from Seoul to Sydney from $517 round trip
    Fly from Seoul to Brisbane from $526 round trip
    Fly from Seoul to Melbourne from $646 round trip

  • How does Cheapflights help users find flights from Incheon Intl?

    Deals for flights from Incheon Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Incheon Intl?

    Cheapflights simply makes it quick and affordable to book flights from Incheon Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Incheon Intl with no change fees?

    Certainly. Search results for flights from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Incheon Intl become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Incheon Intl?

Deals for flights from Incheon Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl?

Cheapflights simply makes it quick and affordable to book flights from Incheon Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Incheon Intl with no change fees?

Certainly. Search results for flights from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Incheon Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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