As per your request here I am providing you information about the Mumbai to Kuala Lumpur Flights timings as well as name along with cost.

Best flights;
Rs. 26,274
round trip
11:15 pm – 6:50 am+1
Malindo Air
5h 05m
Non-stop

Rs. 35,703
round trip
2:25 am – 10:10 am
Malaysia
5h 15m
Non-stop

Rs. 52,465
round trip
9:50 am – 8:45 pm
Jet Airways, Jetstar
8h 25m
1 stop
1h 35m in SIN

Rs. 55,334
round trip
12:01 am – 7:35 am
Malaysia • Jet Airways
5h 04m
Non-stop

Rs. 32,610
round trip
6:50 am – 6:15 pm
Malaysia, Jet Airways • Royal Brunei
8h 55m
1 stop
2h 50m in MAA

Rs. 32,610
round trip
5:50 pm – 6:15 pm+1
Malaysia, Jet Airways • Royal Brunei
21h 55m
1 stop
15h 55m in MAA

Rs. 32,610
round trip
7:15 pm – 6:15 pm+1
Malaysia, Jet Airways • Royal Brunei
20h 30m
1 stop
14h 35m in MAA

Rs. 32,610
round trip
8:45 pm – 6:15 pm+1
Malaysia, Jet Airways • Royal Brunei
19h 00m
1 stop
13h 10m in MAA

Rs. 33,314
round trip
8:00 am – 2:50 am+1
Biman, Jet Airways
16h 20m
1 stop
9h 50m in DAC

Rs. 34,453
round trip
11:20 pm – 11:55 am+1
Thai
10h 05m
1 stop
3h 40m in BKK

Rs. 34,453
round trip
11:20 pm – 7:50 pm+1
Thai
18h 00m
1 stop
11h 35m in BKK

Rs. 37,770
round trip
3:00 pm – 5:15 am+1
Malaysia, Jet Airways
11h 45m
1 stop
4h 20m in DEL

Rs. 37,770
round trip
4:30 pm – 5:15 am+1
Malaysia, Jet Airways
10h 15m
1 stop
2h 50m in DEL