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Singapore Airlines Flight number SQ 991

From Medan to Singapore

Flight information for flight SQ 991

For December 2025

08:40 (GMT +07)
11:20 (GMT +08)

1h 40m
1 hour
571 km
343 km/h

About Medan

Kualanamu International Airport
KNO
Indonesia
Find flights to Medan

About Singapore

Changi Airport
SIN
Singapore
Find flights to Singapore

Prices SQ 991 (in THB)

2.478
20.187
5.528
3.501

More about Singapore Airlines flight SQ 991

Flight Kualanamu International Airport departs from Medan Kualanamu International Airport at 08:40 and arrives at Singapore Changi Airport at 11:20.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 571 Km. So the average speed is roughly 343 Km.
There is an 1 hour time difference between Medan and Singapore

Utiket Flight Analytics for Flight SQ 991

What is the best month to arrive?

February

The best month to arrive at Medan is February and the most expensive month to fly is June. (Average prices, based on 632 datapoints.)

JanuaryTHB 3.369
Jan
FebruaryTHB 2.904
Feb
MarchTHB 4.029
Mar
AprilTHB 4.912
Apr
MayTHB 3.788
May
JuneTHB 6.480
Jun
JulyTHB 5.349
Jul
AugustTHB 4.728
Aug
SeptemberTHB 4.534
Sep
OctoberTHB 3.314
Oct
NovemberTHB 3.242
Nov
DecemberTHB 3.778
Dec

What is the cheapest day to fly?

Sunday

The best day to arrive at Medan is Sunday and it would be best to avoid Thursday, as prices are on average 81.69% higher than on Sunday. (Average prices, based on 3081795 datapoints.)

MondayTHB 5.644
Mon
TuesdayTHB 5.286
Tue
WednesdayTHB 4.595
Wed
ThursdayTHB 7.809
Thu
FridayTHB 4.464
Fri
SaturdayTHB 5.205
Sat
SundayTHB 4.298
Sun

Price distribution of Flight SQ 991

This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 119 datapoints.)

9% of Prices between:
1.2m - 1.4m
~1.3m
3% of Prices between:
1.4m - 1.5m
~1.5m
20% of Prices between:
1.5m - 1.7m
~1.6m
14% of Prices between:
1.7m - 1.8m
~1.8m
17% of Prices between:
1.8m - 2m
~1.9m
5% of Prices between:
2m - 2.2m
~2.1m
5% of Prices between:
2.2m - 2.3m
~2.2m
7% of Prices between:
2.3m - 2.5m
~2.4m
3% of Prices between:
2.5m - 2.6m
~2.5m
4% of Prices between:
2.6m - 2.8m
~2.7m
3% of Prices between:
2.8m - 2.9m
~2.9m
2% of Prices between:
3.2m - 3.4m
~3.3m
5% of Prices between:
3.5m - 3.7m
~3.6m
3% of Prices between:
4.5m - 4.6m
~4.5m