Lukla Airport (Tenzing-Hillary): Runway, Flights and Weather Delays

Runway Facts and Figures

Tenzing-Hillary Airport sits on a shelf above the Dudh Koshi valley in the Solukhumbu district. The strip runs uphill, which helps planes stop on landing and gives them a slope for takeoff. There is no radar, and landings rely on radio communication. Because the airport has no instrument landing system, pilots need clear visibility. Only helicopters and small STOL aircraft such as the DHC-6 Twin Otter, Dornier 228 and Let L-410 Turbolet can use it. The figures below come from Wikipedia and named operator sources.

Source heights differ slightly: the airport infobox lists 2,846 m (9,337 ft) and the article text 2,845 m, while the Lukla town article gives 2,860 m (9,380 ft) for the village and 2,786 m (9,140 ft) for the airport weather station.

History and the Safety Record

Sir Edmund Hillary bought the land for the airstrip from local Sherpas for $2,650 and involved them in building it in 1964. After Hillary and Tenzing Norgay promoted its construction, the airport was renamed after both men in 2008. Passenger numbers grew from 70,959 in 2003 to 146,879 in 2017, with 129,508 in 2019.

The safety record is real and should shape your plans, not scare you off. A 2010 History Channel programme, Most Extreme Airports, rated Lukla the most dangerous airport in the world. The main accidents are dated and documented. On 8 October 2008 Yeti Airlines Flight 101, a Twin Otter, crashed on final approach in fog, killing 18 of 19 aboard. Locals commemorate the victims each year and a memorial plaque stands near the site. On 28 September 2012 Sita Air Flight 601, a Dornier 228 bound for Lukla, crashed just after takeoff from Kathmandu, killing all 19 aboard, with payload above maximum takeoff weight named as the cause. On 27 May 2017 a Summit Air Let L-410 freight flight hit a tree short of the runway, killing both pilots. On 14 April 2019 a Summit Air Let L-410 with no passengers left the runway on takeoff and hit a helicopter, causing 3 deaths and 4 injuries. Sita Air also had a Dornier 228 crash-land at Lukla on 30 September 2004. The practical takeaway is simple: fly early in the day, in the main seasons, with an operator that includes flights in a tested itinerary such as the Everest Base Camp Trek Lodge to Lodge.

Airlines, Aircraft and Flight Times

Wikipedia lists Sita Air, Summit Air and Tara Air as the scheduled operators between Lukla, Kathmandu and Manthali, with Air Dynasty running helicopters from a Lukla hub. Tara Air was formed in 2009 when Yeti Airlines split off its STOL operations and runs daily scheduled flights. Planes seat 16 to 19 passengers with no assigned seats, so boarding is first come inside your flight. In trekking season the schedule can reach 30 departures a day between Lukla and Kathmandu, and the Nepali Times reported 11 departures a day to and from Lukla from Manthali plus 334 Manthali-Lukla flights in one October.

Flight times vary slightly by source. Himalayan Wonders gives 35 minutes from Kathmandu and 12 minutes from Ramechhap, while Best Heritage Tour gives 15 to 20 minutes from Manthali.

The Ramechhap Diversion in Peak Season

In the spring and autumn peaks, most Lukla flights moved from Kathmandu to Manthali Airport in Ramechhap because the volume of domestic traffic caused bottlenecks on Kathmandu's single runway. Best Heritage Tour says the flights run in March to May and September to November. The Bucket List Company dates the move to 1 October 2022 after a closure first imposed in 2019, while Ace the Himalaya says Manthali to Lukla operations began in March 2019.

The drive is the painful part. Sources disagree mildly on distance and time: Himalayan Wonders says 140 km and about 5 hours, The Bucket List Company says 130 km and 4 to 5 hours, and Best Heritage Tour says about 132 km and roughly 4 to 5 hours. Guests usually leave their Kathmandu hotel around 2 or 3 am to make the morning slots, and Manthali flights may start as early as 6:00 am. On the way back the drive can take 5 to 8 hours. Book a trip such as the Everest Base Camp Trek Lodge to Lodge and its listing includes the Ramechhap transfers for you.

Fares and Baggage Limits

Operator quotes for the Kathmandu to Lukla fare conflict, so check current prices when you book. The table gathers what named sources charge or quote. Only the card prices on our tour pages are bookable trip prices through this site.

For baggage, Best Heritage Tour puts the limit at 15 kg total: 10 kg checked in a soft duffel and 5 kg hand carry. Excess baggage is quoted at $5 to $8 per extra kg by Best Heritage Tour.

• Figures are as quoted by the named sources.

The Morning Flying Window

Strong southwest winds usually close Lukla from mid to late morning, so flights are scheduled early. Best Heritage Tour says visibility often drops by 11:00 am and recommends taking the first or second flight. Ace the Himalaya adds the visibility numbers: fixed-wing aircraft such as Twin Otters and Dorniers need 16,400 ft of visibility, while helicopters need only 4,900 ft, which is why helicopters fly on days planes cannot.

October is the most reliable month, with Everest Trekking Routes reporting about 1 in 10 departures delayed more than 2 hours.

Monsoon Cancellations and What Treks Do

During the June to August monsoon, visibility closes the airport about 50% of the time and cancels about half of all flights, and Everest Trekking Routes puts monsoon cancellation rates above 60%. The trekking seasons of March to May and September to November are therefore when almost everyone flies. Because delays can run to days, Ace the Himalaya advises adding at least one or two extra days to the itinerary, and guided treks build spare days into their schedules.

The classic routes, times and acclimatisation days are covered in the Everest Base Camp trek guide, and seasonal detail sits in the seasons section of the homepage.

The Helicopter Alternative

Helicopters are the escape hatch in both directions. Ace the Himalaya lists charter operators as Air Dynasty, Heli Everest, Kailash Helicopter Services, Altitude Air, Simrik Air and Fishtail Air. A private charter costs $3,500 one way from Kathmandu or $3,000 from Manthali per Ace the Himalaya, while Himalayan Wonders quotes about $600 one way with a $150 fare refund, and The Bucket List Company quotes $2,500 to $3,000 for up to 5 passengers.

Shared seats run about $400 to $600 per Best Heritage Tour. Coming out of the mountains, Wikipedia says a helicopter from Gorak Shep takes about 25 minutes to Lukla and about 90 minutes to Kathmandu. Some treks fold the helicopter into the itinerary itself, such as the EBC Trek with Helicopter Return at $2,250 per person.

For a pure flight day, the Everest Base Camp Helicopter Landing at $1,600 per person and the Everest View Hotel Helicopter Breakfast both fly the Kathmandu to Lukla routing as part of a longer loop.