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Local time zone: Asia/Karachi · currently 2:47 AM local
Islamabad International Airport (ISB) currently has nonstop service to 24 destinations on 20 airlines in our latest departure data. The busiest route is to Riyadh (RUH), served by 5 carriers, and the largest operator here is Pakistan International with nonstops to 10 destinations. 23 of its routes are international.
Route data as of August 26, 2026, based on a 7-day departures sample.
You can fly nonstop from ISB to 24 destinations, including 23 international routes. Current schedules show about 25 flights per day across those routes. The busiest options start with Riyadh (RUH), Jeddah (JED), Dubai (DXB).
23 international routes in this schedule set
United Arab Emirates 4 · Saudi Arabia 4 · China 3
4/day on 5 airlines
Airbus A320 family · Boeing 777 · Airbus A330
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Islamabad International Airport (ISB / OPIS) is located in Islamabad, Pakistan.
The IATA code is ISB. The ICAO code is OPIS.
The busiest scheduled route from ISB in our current departure data is ISB to RUH (Riyadh), with 4/day across 5 airlines.
Pakistan International is the largest operator in our ISB schedule data, serving 10 destinations with 4-5/day.
ISB has 23 international routes and 1 domestic route in the current schedule set.
20 airlines operate at ISB. Top carriers include Pakistan International, Airblue, Saudia, China Southern Airlines, Qatar Airways.
ISB has direct flights to 24 destinations including Riyadh, Jeddah, Dubai, Doha, Abu Dhabi.
View live arrivals and departures at ISB on FlightRadar24.
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