U4 (U4)

34 non-stop routes across 15 airports. Main hub: Kathmandu (KTM).

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Main hubs for U4

Where U4 concentrates its operations — sorted by routes flown from each airport.

#1 · KTM 14 routes Kathmandu Nepal #2 · PKR 4 routes Pokhara Nepal #3 · BHR 2 routes Bharatpur Nepal #4 · BWA 2 routes Bhairawa Nepal #5 · KEP 2 routes Nepalganj Nepal

Where U4 flies most

Top destination countries by route count.

#1 32 routes Nepal Flights to Nepal #2 2 routes India Flights to India

Related guides

Sibling pages from across Flightmaps — country aggregations, airport rosters, and visa context for U4.

All airports in Nepal Flights from Nepal Visa-free with Nepal passport Cheapest month to fly to Kathmandu

Top U4 destinations

Kathmandu · 14 routesPokhara · 4 routesBhairawa · 2 routesBharatpur · 2 routesNepalganj · 2 routesBhadrapur · 1 routeBiratnagar · 1 routeDhangarhi · 1 routeJanakpur · 1 routeKolkata · 1 routeRajbiraj · 1 routeSimara · 1 route

U4 network at a glance

  • 34 non-stop routes
  • 15 airports served
  • Total network span: 8,290 km
  • Longest route: CCU-KTM (641 km)
  • Shortest route: SIF-KTM (70 km)

Frequently asked questions about U4

  • How many routes does U4 operate?

    U4 (U4) operates 34 non-stop routes across 15 airports worldwide.

  • What is U4's main hub?

    U4's busiest hub is Kathmandu (KTM) in Nepal, with 14 non-stop routes from this airport alone.

  • What is U4's longest route?

    U4's longest non-stop route is CCU-KTM at 641 km.

  • Where does U4 fly the most?

    U4 flies most often to Nepal, with 32 routes serving destinations in Nepal.