Korean Air

KAL643 / KE643

ICAO: KAL643 IATA: KE643

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Flight schedule

Select flight date

Departure

Arrive

Aircraft

Effective

Avalibility

13:50

Seoul (ICN) T2

19:15

Singapore (SIN) T4

Boeing 777-300ER

Begins

Now

Valid to

2026-10-24

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Tuesdays

Korean Air

KAL643

Duration

6h 25m

Distance

2890 mi, 4650 km

Coreshare

DL 7819 /WS 6033

Same day flight

Yes

Terminal

Departure: T2 Arrival: T4

Meals

Lunch& Refreshments - complimentary

Onboard services

Entertainment on-demand, Duty free sales, Internet access, Lie flat seat - business class, 110v AC power, USB power

Seats

282

First class

Business

Premium economy

Economy

227

13:50

Seoul (ICN) T2

19:15

Singapore (SIN) T4

Boeing 777-300ER

Begins

Now

Valid to

2026-10-20

sun

mon

tue

wed

thu

fri

sat

Every Tuesday

Korean Air

KAL643

Duration

6h 25m

Distance

2890 mi, 4650 km

Coreshare

DL 7819 /WS 6033

Same day flight

Yes

Terminal

Departure: T2 Arrival: T4

Meals

Lunch& Refreshments - complimentary

Onboard services

Entertainment on-demand, Duty free sales, Lie flat seat - business class, 110v AC power, USB power

Seats

282

First class

Business

Premium economy

Economy

227

14:35

Seoul (ICN) T2

20:25

Singapore (SIN) T4

Boeing 777-300ER

Begins

2026-10-25

Valid to

2027-03-27

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Tuesdays

Korean Air

KAL643

Duration

6h 50m

Distance

2890 mi, 4650 km

Coreshare

WS 6033 /DL 7819

Same day flight

Yes

Terminal

Departure: T2 Arrival: T4

Meals

Lunch& Refreshments - complimentary

Onboard services

Entertainment on-demand, Duty free sales, Internet access, Lie flat seat - business class, 110v AC power, USB power

Seats

282

First class

Business

Premium economy

Economy

227

14:35

Seoul (ICN) T2

20:25

Singapore (SIN) T4

Boeing 777-300ER

Begins

2026-10-27

Valid to

2027-03-23

sun

mon

tue

wed

thu

fri

sat

Every Tuesday

Korean Air

KAL643

Duration

6h 50m

Distance

2890 mi, 4650 km

Coreshare

WS 6033 /DL 7819

Same day flight

Yes

Terminal

Departure: T2 Arrival: T4

Meals

Lunch& Refreshments - complimentary

Onboard services

Entertainment on-demand, Duty free sales, Lie flat seat - business class, 110v AC power, USB power

Seats

282

First class

Business

Premium economy

Economy

227

13:50

Seoul (ICN) T2

19:15

Singapore (SIN) T4

Boeing 777-300ER

Begins

2027-03-28

Valid to

2027-07-13

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Tuesdays

Korean Air

KAL643

Duration

6h 25m

Distance

2890 mi, 4650 km

Coreshare

WS 6033 /DL 7819

Same day flight

Yes

Terminal

Departure: T2 Arrival: T4

Meals

Lunch& Refreshments - complimentary

Onboard services

Entertainment on-demand, Duty free sales, Internet access, Lie flat seat - business class, 110v AC power, USB power

Seats

282

First class

Business

Premium economy

Economy

227

13:50

Seoul (ICN) T2

19:15

Singapore (SIN) T4

Boeing 777-300ER

Begins

2027-03-30

Valid to

2027-07-13

sun

mon

tue

wed

thu

fri

sat

Every Tuesday

Korean Air

KAL643

Duration

6h 25m

Distance

2890 mi, 4650 km

Coreshare

WS 6033 /DL 7819

Same day flight

Yes

Terminal

Departure: T2 Arrival: T4

Meals

Lunch& Refreshments - complimentary

Onboard services

Entertainment on-demand, Duty free sales, Lie flat seat - business class, 110v AC power, USB power

Seats

282

First class

Business

Premium economy

Economy

227

Loading flight status...

General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

2874 miles, 4625 km

Actual distance

2890 miles, 4650 km

0.56%

Flight time

6h 25m

Flights / Week

14 flights

Seats / Week

282 seats/flight

3948 seats/week

Upcoming scheduled flights in the coming 30 days

Date

Time

From

To

Aircraft

Status
Date:

Time:

From:

To:

Aircraft:

Status:

18 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

19 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

20 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

21 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

22 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

23 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

24 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

25 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

26 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

27 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

28 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

29 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

30 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

31 Jul 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

01 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

02 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

03 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

04 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

05 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

06 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

07 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

08 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

09 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

10 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

11 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

12 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

13 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

14 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

15 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

16 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643
Date:

Time:

From:

To:

Aircraft:

Status:

17 Aug 2026

13:50

Seoul(ICN)

Singapore(SIN)

Boeing 777-300ER

KE643

KAL643 information

An international route departing from Seoul (ICN), Republic of Korea and arriving at Singapore (SIN), Singapore.

The timezone of the departure airport is UTC +9, and the timezone of the arrival airport is UTC +8.

The current time at the point of departure is 1:28pm, and 12:28pm at the point of arrival. There is a -1 hour time difference between the airports.

The flight distance is 2890 miles, or 4650 km.

For direct flights, the flight time is about 6:25.

Flights

Hotels

Cars

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Seoul (ICN) Rental Cars

Seoul (ICN) Parking

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Departure

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Round trip

One way

Destination

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Check In

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Depart Date

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Travelers

Guests

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Adults

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Cabin class

Economy

Premium Economy

Business

First Class

Rooms

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Pick Up Time

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Other flights between Seoul and Singapore with Korean Air

Popular Airports

Popular Airlines

Korean Air

KAL643 / KE643

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

KAL643 information

Seoul (ICN) Flight Deals

Seoul Hotel Deals

Seoul (ICN) Rental Cars

Seoul (ICN) Parking

Other flights between Seoul and Singapore with Korean Air

Popular Airports

Popular Airlines

Korean Air

KAL643 / KE643

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

KAL643 information

Seoul (ICN) Flight Deals

Seoul Hotel Deals

Seoul (ICN) Rental Cars

Seoul (ICN) Parking

Select Destination Airport

Select Departure Airport

Other flights between Seoul and Singapore with Korean Air

Seoul (ICN) Flight Deals

Seoul Hotel Deals

Seoul (ICN) Rental Cars

Seoul (ICN) Parking

Select Destination Airport

Select Departure Airport