Flight sq991 - to

This is a codeshare flight and this flight is also known as:

Flight information for flight SQ 991

For April 2026

Departs Medan08:50 (GMT +07)
Landing at Singapore11:25 (GMT +08)
Flight operated bySingapore Airlines
Flight time1h 35m
Time difference1 hour
Distance571 km
Avg. speed361 km/h

About Medan

Airport nameKualanamu International Airport
IATA Airport codeKNO
CountryIndonesia
Find flights to Medan

About Singapore

Airport nameChangi Airport
IATA Airport codeSIN
CountrySingapore
Find flights to Singapore

Prices SQ 991 (in USD)

Minimum Price77
Maximum Price627
Average Price171
Standard Deviation108

More about Singapore Airlines flight SQ 991

Flight Kualanamu International Airport departs from Medan Kualanamu International Airport at 08:50 and arrives at Singapore Changi Airport at 11:25.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 571 Km. So the average speed is roughly 361 Km.
There is an 1 hour time difference between Medan and Singapore

Utiket Flight Analytics for Flight SQ 991

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 81.05% higher than on Sunday. (Average prices, based on 3219637 datapoints.)

Mon

MondayUS $ 175

Tue

TuesdayUS $ 164

Wed

WednesdayUS $ 143

Thu

ThursdayUS $ 242

Fri

FridayUS $ 139

Sat

SaturdayUS $ 162

Sun

SundayUS $ 134

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 120 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

8% of Prices between:
2.3m - 2.5m

~2.4m

2% 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

2% of Prices between:
4.5m - 4.6m

~4.5m

We have a lot more statistics for flights SQ 991 and between Medan and Singapore.

Singapore Airlines Flight number SQ 991

From Medan to Singapore