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$166+ Direct 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 12/10. 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
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Find direct flights from Incheon Intl within your budget

 
Use the slider to find direct flights from Incheon Intl within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 647,157 searches. This data was last updated on 18 April 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 28/6

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Fri 3/7

22:45-06:15

Nonstop5h 30m

$393

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 31/8

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 3/9

00:05-07:40

Nonstop5h 35m

$404

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 23/8

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 8/9

00:05-07:40

Nonstop5h 35m

$408

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 10/10

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 23/10

00:05-07:40

Nonstop5h 35m

$421

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 29/8

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 31/8

01:10-08:55

Nonstop5h 45m

$442

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 6/7

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Sun 12/7

22:45-06:15

Nonstop5h 30m

$443

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 9/7

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Mon 13/7

22:45-06:15

Nonstop5h 30m

$443

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 4/6

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Tue 9/6

22:45-06:15

Nonstop5h 30m

$446

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 6/7

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 15/7

01:10-08:55

Nonstop5h 45m

$451

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 4/5

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Mon 11/5

22:45-06:15

Nonstop5h 30m

$451

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

Reviews of airlines flying direct to Incheon Intl

Get insights into the airlines that provide direct flights 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 an airline for your flight from Incheon Intl. Reviews last updated Cheapflights.
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
1,208 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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
1,208 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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
8.0
Very Good
518 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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
1,019 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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
540 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

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!!

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 18 April 2026.

  • Where can you fly direct from Incheon Intl Airport?

    Currently, the most popular direct flight destination from Incheon Intl Airport is Sydney.

  • How much are direct flights from Incheon Intl Airport?

    On average, a one-way direct flight from Incheon Intl Airport will cost users approximately $585. If you're looking for a direct round-trip flight from Incheon Intl Airport, you can expect to pay around $675.

  • How long is a direct flight from Incheon Intl Airport?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Incheon Intl Airport to last approximately 10h 50m on average. The quickest direct flight from Incheon Intl Airport at this time departs from Incheon Intl Airport (1h 45m), while the longest leaves from Incheon Intl Airport (23h 05m).

  • What is the best time of year to fly direct from Incheon Intl Airport?

    If you're seeking the lowest price on a direct flight from Incheon Intl Airport, May is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, March offers travelers the most options.

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