Airline

ALS (K4)

ALS (Aircraft Leasing Services) is a premier Kenyan airline based at Nairobi's Wilson Airport, offering reliable scheduled, charter, and humanitarian flights. Known for its extensive network connecting major safari destinations and regional hubs, ALS provides a seamless, comfortable travel experience across East Africa.

Why travelers choose ALS

  • Based at Wilson Airport (WIL) in Nairobi, Kenya
  • Specializes in scheduled passenger, charter, and humanitarian flight services
  • Operates a reliable fleet of Embraer ERJ and De Havilland Dash 8 aircraft
  • Connects key East African and Kenyan destinations including Maasai Mara, Lodwar, Lokichogio, and Vipingo

Fare families

Saver Economy

The most affordable option for budget-conscious travelers with firm travel plans.

  • 15 kg checked baggage allowance
  • 5 kg carry-on baggage
  • Non-refundable tickets
  • Changes permitted with an applicable modification fee

Standard Economy

Our most popular fare offering a perfect balance of affordability and travel convenience.

  • 20 kg checked baggage allowance (non-safari routes)
  • 5 kg carry-on baggage
  • Lower change fees for itinerary adjustments
  • Complimentary onboard refreshments

Flex Economy

Maximum flexibility for your journey, ideal for safari connections and dynamic itineraries.

  • Priority check-in at Wilson Airport
  • Free flight changes up to 24 hours before departure
  • Refundable tickets (subject to minor administrative fee)
  • Advanced seat selection included

Key policies

Baggage allowance

Standard scheduled flights typically allow up to 15-20 kg of checked baggage and 5 kg of carry-on baggage. Safari and remote routes may strictly enforce a 15 kg total limit requiring soft-sided bags.

Change policy

Flight changes are permitted subject to availability, a modification fee, and any applicable fare difference. Changes must generally be requested at least 24 hours prior to scheduled departure.

Check-in

Airport check-in counters open 2 hours before departure and close strictly 45 minutes prior to the scheduled departure time. Online check-in is available 24 hours in advance for select scheduled routes.

Search K4 flights

Colombo (CMB) network

ALS operating flights touching CMB

Sample operating pattern; confirm exact days and times during booking.

See live availability

From Colombo (CMB)

CMB → DXB

Flight K4 203 • Daily

4h 15m
08:55 → 12:10 Nonstop, morning departure

CMB → SIN

Flight K4 468 • Daily

4h 30m
10:45 → 17:45 Nonstop, widebody

CMB → LHR

Flight K4 503 • Mon / Wed / Fri

11h 15m
13:10 → 20:25 1 stop via hub

To Colombo (CMB)

DXB → CMB

Flight K4 204 • Daily

4h 15m
14:20 → 20:35 Nonstop, evening arrival

SIN → CMB

Flight K4 469 • Daily

3h 40m
19:20 → 21:00 Nonstop, premium-heavy

LHR → CMB

Flight K4 504 • Tue / Thu / Sat

10h 45m
21:55 → 12:40+1 1 stop via hub