KLM flight KL 423: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon 02:15 Dammam (DMM) 07:10 Amsterdam (AMS) KL 423 Non-stop Airbus A330-300 (333) 6:55 Effective 2025-10-27 through 2025-11-10
Sat 02:15 Dammam (DMM) 07:10 Amsterdam (AMS) KL 423 Non-stop Airbus A330-200 (332) 6:55 Effective 2025-11-01 through 2025-11-08
Mon,Sat 02:15 Dammam (DMM) 07:10 Amsterdam (AMS) KL 423 Non-stop Airbus A330-300 (333) 6:55 Effective 2025-11-15 through 2025-12-15
Sat 02:15 Dammam (DMM) 07:10 Amsterdam (AMS) KL 423 Non-stop Airbus A330-200 (332) 6:55 Effective from 2025-12-20
Mon 02:15 Dammam (DMM) 07:10 Amsterdam (AMS) KL 423 Non-stop Airbus A330-300 (333) 6:55 Effective from 2025-12-22
Mon,Thu 02:25 Dammam (DMM) 08:05 Amsterdam (AMS) KL 423 Non-stop Airbus A330-300 (333) 6:40 Valid until 2025-06-16
Mon 02:25 Dammam (DMM) 08:05 Amsterdam (AMS) KL 423 Non-stop Airbus A330-300 (333) 6:40 Effective 2025-06-23 through 2025-06-30
Mon,Thu 02:25 Dammam (DMM) 08:05 Amsterdam (AMS) KL 423 Non-stop Airbus A330-300 (333) 6:40 Effective 2025-07-03 through 2025-10-23
Sun 14:50 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-300 (333) 6:00 Effective 2025-10-26 through 2025-11-09
Fri 14:50 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-200 (332) 6:00 Effective 2025-10-31 through 2025-11-07
Fri,Sun 14:50 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-300 (333) 6:00 Effective 2025-11-14 through 2025-12-14
Fri 14:50 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-200 (332) 6:00 Effective 2025-12-19 through 2026-02-27
Sun 14:50 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-300 (333) 6:00 Effective from 2025-12-21
Wed,Sun 15:40 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-300 (333) 6:10 Valid until 2025-06-15
Sun 15:40 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-300 (333) 6:10 Effective 2025-06-22 through 2025-06-29
Wed,Sun 15:40 Amsterdam (AMS) 22:50 Riyadh (RUH) 1 KL 423 Non-stop Airbus A330-300 (333) 6:10 Effective 2025-07-02 through 2025-10-22
Wed,Sun 23:55 Riyadh (RUH) 1 01:10 Dammam (DMM) KL 423 Non-stop Airbus A330-300 (333) 1:15 Valid until 2025-06-15 The flight arrives 1 day after departure.
Sun 23:55 Riyadh (RUH) 1 01:10 Dammam (DMM) KL 423 Non-stop Airbus A330-300 (333) 1:15 Effective 2025-06-22 through 2025-06-29 The flight arrives 1 day after departure.
Wed,Sun 23:55 Riyadh (RUH) 1 01:10 Dammam (DMM) KL 423 Non-stop Airbus A330-300 (333) 1:15 Effective 2025-07-02 through 2025-10-22 The flight arrives 1 day after departure.
Sun 23:55 Riyadh (RUH) 1 01:00 Dammam (DMM) KL 423 Non-stop Airbus A330-300 (333) 1:05 Effective 2025-10-26 through 2025-11-09 The flight arrives 1 day after departure.
Fri 23:55 Riyadh (RUH) 1 01:00 Dammam (DMM) KL 423 Non-stop Airbus A330-200 (332) 1:05 Effective 2025-10-31 through 2025-11-07 The flight arrives 1 day after departure.
Fri,Sun 23:55 Riyadh (RUH) 1 01:00 Dammam (DMM) KL 423 Non-stop Airbus A330-300 (333) 1:05 Effective 2025-11-14 through 2025-12-14 The flight arrives 1 day after departure.
Fri 23:55 Riyadh (RUH) 1 01:00 Dammam (DMM) KL 423 Non-stop Airbus A330-200 (332) 1:05 Effective 2025-12-19 through 2026-02-27 The flight arrives 1 day after departure.
Sun 23:55 Riyadh (RUH) 1 01:00 Dammam (DMM) KL 423 Non-stop Airbus A330-300 (333) 1:05 Effective from 2025-12-21 The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 14:50 Amsterdam (AMS) 01:00 Dammam (DMM) KL 423 1-stop Airbus A330-300 (333) 8:10 Effective 2025-10-26 through 2025-11-09 The flight arrives 1 day after departure.
Fri 14:50 Amsterdam (AMS) 01:00 Dammam (DMM) KL 423 1-stop Airbus A330-200 (332) 8:10 Effective 2025-10-31 through 2025-11-07 The flight arrives 1 day after departure.
Fri,Sun 14:50 Amsterdam (AMS) 01:00 Dammam (DMM) KL 423 1-stop Airbus A330-300 (333) 8:10 Effective 2025-11-14 through 2025-12-14 The flight arrives 1 day after departure.
Fri 14:50 Amsterdam (AMS) 01:00 Dammam (DMM) KL 423 1-stop Airbus A330-200 (332) 8:10 Effective 2025-12-19 through 2026-02-27 The flight arrives 1 day after departure.
Sun 14:50 Amsterdam (AMS) 01:00 Dammam (DMM) KL 423 1-stop Airbus A330-300 (333) 8:10 Effective from 2025-12-21 The flight arrives 1 day after departure.
Wed,Sun 15:40 Amsterdam (AMS) 01:10 Dammam (DMM) KL 423 1-stop Airbus A330-300 (333) 8:30 Valid until 2025-06-15 The flight arrives 1 day after departure.
Sun 15:40 Amsterdam (AMS) 01:10 Dammam (DMM) KL 423 1-stop Airbus A330-300 (333) 8:30 Effective 2025-06-22 through 2025-06-29 The flight arrives 1 day after departure.
Wed,Sun 15:40 Amsterdam (AMS) 01:10 Dammam (DMM) KL 423 1-stop Airbus A330-300 (333) 8:30 Effective 2025-07-02 through 2025-10-22 The flight arrives 1 day after departure.
Wed,Sun 23:55 Riyadh (RUH) 1 08:05 Amsterdam (AMS) KL 423 1-stop Airbus A330-300 (333) 9:10 Valid until 2025-06-15 The flight arrives 1 day after departure.
Sun 23:55 Riyadh (RUH) 1 08:05 Amsterdam (AMS) KL 423 1-stop Airbus A330-300 (333) 9:10 Effective 2025-06-22 through 2025-06-29 The flight arrives 1 day after departure.
Wed,Sun 23:55 Riyadh (RUH) 1 08:05 Amsterdam (AMS) KL 423 1-stop Airbus A330-300 (333) 9:10 Effective 2025-07-02 through 2025-10-22 The flight arrives 1 day after departure.
Sun 23:55 Riyadh (RUH) 1 07:10 Amsterdam (AMS) KL 423 1-stop Airbus A330-300 (333) 9:15 Effective 2025-10-26 through 2025-11-09 The flight arrives 1 day after departure.
Fri 23:55 Riyadh (RUH) 1 07:10 Amsterdam (AMS) KL 423 1-stop Airbus A330-200 (332) 9:15 Effective 2025-10-31 through 2025-11-07 The flight arrives 1 day after departure.
Fri,Sun 23:55 Riyadh (RUH) 1 07:10 Amsterdam (AMS) KL 423 1-stop Airbus A330-300 (333) 9:15 Effective 2025-11-14 through 2025-12-14 The flight arrives 1 day after departure.
Fri 23:55 Riyadh (RUH) 1 07:10 Amsterdam (AMS) KL 423 1-stop Airbus A330-200 (332) 9:15 Effective 2025-12-19 through 2026-02-27 The flight arrives 1 day after departure.
Sun 23:55 Riyadh (RUH) 1 07:10 Amsterdam (AMS) KL 423 1-stop Airbus A330-300 (333) 9:15 Effective from 2025-12-21 The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Dammam (DMM) - Amsterdam (AMS)
Riyadh (RUH) - Amsterdam (AMS)
Riyadh (RUH) - Dammam (DMM)

All KLM flights

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KLM flight KL 423: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

KLM KL423

02:15

Dammam (DMM)

07:10

Amsterdam (AMS)

Effective 2025-10-27 through 2025-11-10

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:55, non-stop
Airbus A330-300 (333)

KLM KL423

02:15

Dammam (DMM)

07:10

Amsterdam (AMS)

Effective 2025-11-01 through 2025-11-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:55, non-stop
Airbus A330-200 (332)

KLM KL423

02:15

Dammam (DMM)

07:10

Amsterdam (AMS)

Effective 2025-11-15 through 2025-12-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:55, non-stop
Airbus A330-300 (333)

KLM KL423

02:15

Dammam (DMM)

07:10

Amsterdam (AMS)

Effective from 2025-12-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:55, non-stop
Airbus A330-200 (332)

KLM KL423

02:15

Dammam (DMM)

07:10

Amsterdam (AMS)

Effective from 2025-12-22

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:55, non-stop
Airbus A330-300 (333)

KLM KL423

02:25

Dammam (DMM)

08:05

Amsterdam (AMS)

Valid until 2025-06-16

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 6:40, non-stop
Airbus A330-300 (333)

KLM KL423

02:25

Dammam (DMM)

08:05

Amsterdam (AMS)

Effective 2025-06-23 through 2025-06-30

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:40, non-stop
Airbus A330-300 (333)

KLM KL423

02:25

Dammam (DMM)

08:05

Amsterdam (AMS)

Effective 2025-07-03 through 2025-10-23

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 6:40, non-stop
Airbus A330-300 (333)

KLM KL423

14:50

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective 2025-10-26 through 2025-11-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:00, non-stop
Airbus A330-300 (333)

KLM KL423

14:50

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective 2025-10-31 through 2025-11-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 6:00, non-stop
Airbus A330-200 (332)

KLM KL423

14:50

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective 2025-11-14 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 6:00, non-stop
Airbus A330-300 (333)

KLM KL423

14:50

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective 2025-12-19 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 6:00, non-stop
Airbus A330-200 (332)

KLM KL423

14:50

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective from 2025-12-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:00, non-stop
Airbus A330-300 (333)

KLM KL423

15:40

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Valid until 2025-06-15

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:10, non-stop
Airbus A330-300 (333)

KLM KL423

15:40

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective 2025-06-22 through 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:10, non-stop
Airbus A330-300 (333)

KLM KL423

15:40

Amsterdam (AMS)

22:50

Riyadh (RUH) 1

Effective 2025-07-02 through 2025-10-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:10, non-stop
Airbus A330-300 (333)

KLM KL423

23:55

Riyadh (RUH) 1

01:10(+1)

Dammam (DMM)

Valid until 2025-06-15

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:15, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:10(+1)

Dammam (DMM)

Effective 2025-06-22 through 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:15, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:10(+1)

Dammam (DMM)

Effective 2025-07-02 through 2025-10-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:15, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:00(+1)

Dammam (DMM)

Effective 2025-10-26 through 2025-11-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:05, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:00(+1)

Dammam (DMM)

Effective 2025-10-31 through 2025-11-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:05, non-stop
Airbus A330-200 (332)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:00(+1)

Dammam (DMM)

Effective 2025-11-14 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:05, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:00(+1)

Dammam (DMM)

Effective 2025-12-19 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:05, non-stop
Airbus A330-200 (332)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

01:00(+1)

Dammam (DMM)

Effective from 2025-12-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:05, non-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

Non-Direct Flights:

KLM KL423

14:50

Amsterdam (AMS)

01:00(+1)

Dammam (DMM)

Effective 2025-10-26 through 2025-11-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:10, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

14:50

Amsterdam (AMS)

01:00(+1)

Dammam (DMM)

Effective 2025-10-31 through 2025-11-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:10, 1-stop
Airbus A330-200 (332)
The flight arrives 1 day after departure.

KLM KL423

14:50

Amsterdam (AMS)

01:00(+1)

Dammam (DMM)

Effective 2025-11-14 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 8:10, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

14:50

Amsterdam (AMS)

01:00(+1)

Dammam (DMM)

Effective 2025-12-19 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:10, 1-stop
Airbus A330-200 (332)
The flight arrives 1 day after departure.

KLM KL423

14:50

Amsterdam (AMS)

01:00(+1)

Dammam (DMM)

Effective from 2025-12-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:10, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

15:40

Amsterdam (AMS)

01:10(+1)

Dammam (DMM)

Valid until 2025-06-15

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:30, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

15:40

Amsterdam (AMS)

01:10(+1)

Dammam (DMM)

Effective 2025-06-22 through 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:30, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

15:40

Amsterdam (AMS)

01:10(+1)

Dammam (DMM)

Effective 2025-07-02 through 2025-10-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:30, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

08:05(+1)

Amsterdam (AMS)

Valid until 2025-06-15

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:10, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

08:05(+1)

Amsterdam (AMS)

Effective 2025-06-22 through 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:10, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

08:05(+1)

Amsterdam (AMS)

Effective 2025-07-02 through 2025-10-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:10, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

07:10(+1)

Amsterdam (AMS)

Effective 2025-10-26 through 2025-11-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:15, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

07:10(+1)

Amsterdam (AMS)

Effective 2025-10-31 through 2025-11-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:15, 1-stop
Airbus A330-200 (332)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

07:10(+1)

Amsterdam (AMS)

Effective 2025-11-14 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 9:15, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

07:10(+1)

Amsterdam (AMS)

Effective 2025-12-19 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 9:15, 1-stop
Airbus A330-200 (332)
The flight arrives 1 day after departure.

KLM KL423

23:55

Riyadh (RUH) 1

07:10(+1)

Amsterdam (AMS)

Effective from 2025-12-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 9:15, 1-stop
Airbus A330-300 (333)
The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Dammam (DMM) - Amsterdam (AMS)
Riyadh (RUH) - Amsterdam (AMS)
Riyadh (RUH) - Dammam (DMM)

All KLM flights

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