3U (3U)

748 non-stop routes across 136 airports. Main hub: Chengdu (TFU).

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Live fares · TFU → LAX

Main hubs for 3U

Where 3U concentrates its operations — sorted by routes flown from each airport.

#1 · TFU 111 routes Chengdu China #2 · CKG 48 routes Chongqing China #3 · CTU 42 routes Chengdu China #4 · KMG 29 routes Kunming China #5 · HRB 23 routes Harbin China

Where 3U flies most

Top destination countries by route count.

#1 707 routes China Flights to China #2 4 routes Viet Nam Flights to Viet Nam #3 4 routes Republic of Korea Flights to Republic of Korea #4 4 routes Thailand Flights to Thailand #5 3 routes Malaysia Flights to Malaysia #6 2 routes USA Flights to USA #7 2 routes Turkiye Flights to Turkiye #8 2 routes Lao People's Democratic Republic Flights to Lao People's Democratic Republic

Related guides

Sibling pages from across Flightmaps — country aggregations, airport rosters, and visa context for 3U.

All airports in China Flights from China Visa-free with China passport Cheapest month to fly to Chengdu

Top 3U destinations

Chengdu · 153 routesChongqing · 48 routesKunming · 29 routesHarbin · 23 routesXian · 22 routesSanya · 18 routesHangzhou · 16 routesJinan · 14 routesNanning · 13 routesTianjin · 11 routesLuzhou · 11 routesLanzhou · 11 routes

3U network at a glance

  • 748 non-stop routes
  • 136 airports served
  • Total network span: 1,236,382 km
  • Longest route: TFU-LAX (11,573 km)
  • Shortest route: KGT-CTU (218 km)

Frequently asked questions about 3U

  • How many routes does 3U operate?

    3U (3U) operates 748 non-stop routes across 136 airports worldwide.

  • What is 3U's main hub?

    3U's busiest hub is Chengdu (TFU) in China, with 111 non-stop routes from this airport alone.

  • What is 3U's longest route?

    3U's longest non-stop route is TFU-LAX at 11,573 km.

  • Where does 3U fly the most?

    3U flies most often to China, with 707 routes serving destinations in China.