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$118+ 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 4/3. 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
12 Mar — 19 Mar1
1 adult
1 adult, Economy, 0 bags

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 10 February 2026.

Cheapest airline

Korean Air

Good round-trip deal

$174 or less

Good one-way deal

$88 or less
On average, Korean Air currently has the cheapest one-way flight from Incheon Intl (avg. price of $118).
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Price to beat on a round-trip flight from Incheon Intl.
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Price to beat on a one-way flight from Incheon Intl.
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Find flights from Incheon Intl

Enter your travel dates to find the best prices.

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 10 February 2026.

Sat 7/317:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Fri 13/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 6/2$203
Mon 23/217:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Tue 10/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 5/2$204
Wed 25/217:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Fri 13/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 5/2$213
Mon 11/518:00
ICN
-
BKK
Nonstop6h 05m
T'way Air
Thu 11/600:05
BKK
-
ICN
Nonstop5h 35m
T'way Air
Deal found 9/2$220
Sun 15/317:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Sun 22/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 7/2$221
Mon 2/317:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Sat 14/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 6/2$223
Mon 2/317:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Thu 12/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 5/2$224
Wed 1/711:05
ICN
-
BKK
1 stop8h 00m
Vietnam Airlines
Wed 15/719:05
BKK
-
ICN
1 stop8h 45m
Vietnam Airlines
Deal found 6/2$230
Wed 25/217:05
ICN
-
BKK
Nonstop6h 20m
Eastar Jet
Wed 11/322:25
BKK
-
ICN
Nonstop5h 55m
Eastar Jet
Deal found 9/2$234
Tue 24/217:15
ICN
-
BKK
Nonstop6h 10m
AIR PREMIA
Tue 24/322:55
BKK
-
ICN
Nonstop5h 40m
AIR PREMIA
Deal found 8/2$237
Wed 22/419:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
Fri 24/400:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 5/2$238
Wed 1/719:55
ICN
-
BKK
Nonstop5h 50m
Jin Air
Tue 14/700:45
BKK
-
ICN
Nonstop5h 40m
Jin Air
Deal found 6/2$240

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 10 February 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 7/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 10/3

22:25-06:20

Nonstop5h 55m

$203

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 24/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Sat 28/3

22:25-06:20

Nonstop5h 55m

$203

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 17/5

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 20/5

00:05-07:40

Nonstop5h 35m

$220

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 8/3

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Fri 20/3

22:55-06:35

Nonstop5h 40m

$237

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 16/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 20/3

22:25-06:20

Nonstop5h 55m

$242

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 16/3

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 27/3

22:25-06:20

Nonstop5h 55m

$242

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 31/5

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Thu 4/6

15:55-05:50

1 stop11h 55m

$251

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 18/3

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Fri 24/4

22:45-06:15

Nonstop5h 30m

$251

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 29/6

11:05-17:05

1 stop8h 00m

Bangkok Suvarnabhumi

Wed 15/7

11:55-05:50

1 stop15h 55m

$251

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 30/6

18:05-10:50

1 stop18h 45m

Bangkok Suvarnabhumi

Tue 14/7

11:55-05:50

1 stop15h 55m

$251

Flights are sorted by cheapest return flights first.

Deals found on 8/2

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 6 February 2026.

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 $507). Flying from Incheon Intl Airport in January will prove the most costly (average of $755). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Incheon Intl Airport?

When flying from Incheon Intl Airport check dates and pricing for the following: Jetstar, Asiana Airlines, T'way Air, Korean Air, Qantas Airways. As they depart for the following popular destinations: Sydney.

Jetstar
Jetstar
From $245
Korean Air
Korean Air
From $309
Asiana Airlines
Asiana Airlines
From $931
T'way Air
T'way Air
From $542

What are popular destinations to fly to from Incheon Intl Airport?

Incheon Intl Airport offers frequent flights to Tokyo (914 flights per day), Osaka (836 flights per day) and Fukuoka (292 flights per day).

Sydney Kingsford Smith
Sydney Kingsford Smith
From $263
Tokyo
Tokyo
From $111
Shanghai Hongqiao Intl
Shanghai Hongqiao Intl
From $191
Osaka
Osaka
From $82

What is the cheapest place to fly to from Incheon Intl Airport?

The cheapest city to fly to from Incheon Intl Airport is Osaka, with prices starting at $82. Explore other affordable destinations below.

Osaka
Osaka
From $82
Taipei City Taiwan Taoyuan Intl
Taipei City Taiwan Taoyuan Intl
From $93
Hiroshima
Hiroshima
From $101

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.
Korean Air
8.4
Very Good
1,191 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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!!
Korean Air
8.4
Very Good
1,191 reviews
Korean Air
8.4
Very Good
1,191 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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!!
Asiana Airlines
8.1
Very Good
505 reviews
Korean Air
8.4
Very Good
1,191 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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!!
Qantas Airways
7.5
Good
988 reviews
Korean Air
8.4
Very Good
1,191 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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!!
Jetstar
6.5
Okay
518 reviews
Korean Air
8.4
Very Good
1,191 reviews
Check prices

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

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 10 February 2026.
Flights from Incheon Intl
Flights from Cheongju
Flights from Jeju City
Flights from Busan
Flights from Gimpo Intl
Flights from Daegu
Flights from Wonju

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 10 February 2026.

  • 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 Bangkok Suvarnabhumi Airport, Da Nang, 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 $82 to Osaka Kansai Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $621 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 ZIPAIR, China Southern, and China Eastern to have the cheapest round-trip prices from Incheon Intl Airport. Some of the destinations and prices are as follows: ZIPAIR flights from Incheon Intl Airport to Tokyo Narita ($101). China Southern flights from Incheon Intl Airport to Kathmandu Tribhuvan ($211). China Eastern flights from Incheon Intl Airport to Melbourne ($230).

  • 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 Taipei City Taiwan Taoyuan Intl Airport starting at $957
    Fly from Incheon Intl to New York John F Kennedy Intl Airport starting at $1,140
    Fly from Incheon Intl to Detroit Metropolitan Wayne County Airport starting at $1,461
    Fly from Incheon Intl to Newark Airport starting at $1,580

  • 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 $13,756 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 January. 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 $478 round trip
    Fly from Seoul to Melbourne from $626 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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