Cheap Flights from San Diego to Kathmandu

Compare San Diego to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

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Find the cheapest month to fly from San Diego to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Kathmandu flights are currently cheapest in December.

San Diego to Kathmandu: Alternative routes

Compare routes from San Diego to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

San Diego to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundRs176,945
Cheapest month to flyDecember

Finding cheap flights from San Diego to Kathmandu: Frequently asked questions

The best price we found for a return flight from San Diego to Kathmandu is Rs357,779. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Diego to Kathmandu. But we found flights with one stop from Rs357,328.
As of October 2025, there are no flights flying from San Diego to Kathmandu.
The cheapest month to fly from San Diego to Kathmandu is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Kathmandu Airport on Thursday, 9 April 2026.
No airlines currently offer direct flights between San Diego and Kathmandu Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Kathmandu is Hawaiian Airlines .

Travelling from San Diego to Tribhuvan International Airport (KTM): What you need to know

  • San Diego's main base, San Diego International Airport (SAN), is where many great holidays begin. Explore the options for leaving from here when booking your flight from San Diego to Tribhuvan International Airport (KTM).

  • Tribhuvan International Airport is located in Kathmandu. The city runs on the UTC+5:47 timezone and is 12 hours 48 minutes ahead of San Diego.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your flight from San Diego to KTM.

  • Longer lines at check-in and security are likely if you're jetting off during high season, so give yourself some extra breathing room. The recommendation for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

Airports in San Diego

San Diego International Airport (SAN)

  • SAN is about 5 kilometres from central San Diego. If you're catching a cab, ride-sharing or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 20 minutes.

  • Searching for a comfortable hotel close to San Diego International Airport? If you're catching an early flight from San Diego to Tribhuvan International Airport, these stays will have you sleeping moments from check-in:

  • 71.38% of flights taking off from San Diego International Airport arrive at their destination on schedule.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • You can arrive at CLD from central San Diego in approximately 40 minutes by car (depending on traffic). The ride by public transport takes roughly 2 hours 15 minutes to cover the 56 kilometres or so.

  • Catching an early morning flight? Think about checking in to one of these hotels near McClellan-Palomar Airport the day before your San Diego to KTM flight:

About Tribhuvan International Airport (KTM)

  • Book a hotel near KTM if you have a late flight from San Diego to Tribhuvan International Airport. Settle into one of these options and be in bed in no time flat:

  • Go beyond Kathmandu and check out places that aren't on most itineraries with your own set of wheels. You can grab a Tribhuvan International Airport rental car from Spark Car.

  • Lock in the best deal by booking your vehicle around one week ahead of your San Diego to Tribhuvan International Airport flight.

How to find the cheapest flights from San Diego to Tribhuvan International Airport (KTM)

  • The lowest price we've found for a one-way ticket from San Diego to Tribhuvan International Airport is Rs176,945. For a return flight on this route, the best price is Rs357,779. Depending on when you want to go and the availability, these fares may change.

  • Booking early is often the key to finding a cheap flight from San Diego to KTM. Airlines adjust prices based on demand, so the closer you get to departure, the more you'll likely spend on your ticket.

  • If you have some flexibility with your travel plans, use the 'Whole month' tool. It'll give you the lowest price across every month when searching for your San Diego to Tribhuvan International Airport ticket.

  • Save time looking for cheap flight tickets from San Diego to KTM by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Nail down a great price on a flight from San Diego to Tribhuvan International Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from San Diego to Tribhuvan International Airport (KTM)

  • October is when most people book flights from San Diego to Tribhuvan International Airport (KTM). Plan your visit to Kathmandu in February if you'd rather avoid peak season.

  • When booking your San Diego to KTM flight ticket, consider the type of weather you enjoy. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC to 28ºC.

  • Search for cheap tickets from San Diego to Tribhuvan International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 3ºC and 18ºC.

More about Kathmandu

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Kathmandu right here. Explore these options as soon as you've booked your flight from San Diego to Tribhuvan International Airport:

  • You'll find plenty of exciting things to do in Kathmandu when you're ready to sightsee. Start exploring at Kathmandu Durbar Square followed by Annapurna Base Camp Trek and Himalaya Discovery.

Explore more of Nepal

  • You've visited Kathmandu, now it's time to discover other parts of Nepal. Travel about 145 kilometres north-west to Pokhara to tick off its must-visit sights. From Viewpoint to Pokhara Lakeside and Sarangkot sunrise pokhara, you've got a jam-packed schedule ahead.

  • If you're eager to discover another side of Nepal, consider Biratnagar, about 241 kilometres south-east of Kathmandu. Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.