Cheap Flights from San Diego (SANA) to Kathmandu (KTM)

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Flight deals from San Diego to Kathmandu

Looking for a cheap last-minute deal or the best return flight from San Diego to Kathmandu Airport? If you want to travel next month, return fares start from $2,327. Find the lowest prices on one-way and return tickets right here.

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 September.

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 found$2,327
Cheapest month to flySeptember

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 $2,327. 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 $2,327.
As of August 2026, there are no flights flying from San Diego to Kathmandu.
The cheapest month to fly from San Diego to Kathmandu is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Kathmandu Airport on Tuesday, 1 September 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 Qatar Airways .

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

  • Kathmandu is 13 hours 48 minutes ahead of San Diego. Kathmandu Tribhuvan International Airport is located in Kathmandu, which follows the UTC+5:47 timezone.

  • To ensure you get on your flight from San Diego to KTM, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Going away during a peak time like July? Popular seasons (like Thanksgiving, Christmas and New Year) can easily add another hour at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

Airports in San Diego

San Diego International Airport (SAN)

  • The journey from central San Diego to SAN takes around 25 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 5 kilometres in 15 minutes or so, depending on traffic.

  • Want an easy start to your holiday? Stay near San Diego International Airport. Whether you're boarding an early flight from San Diego to Kathmandu Tribhuvan International Airport or want to avoid feeling rushed, these hotels have you covered:

  • 74% of flights departing from San Diego International Airport reach their destination on time.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • The distance from San Diego's city centre to CLD is around 48 kilometres. Take into account the available transport options and possible delays when working out the quickest way to get to the airport.

  • Want to enjoy an extra night away before your San Diego to KTM flight? Unwind in a hotel near McClellan-Palomar Airport before your holiday officially begins. Here's where you can stay:

  • McClellan-Palomar Airport has a solid reputation for punctual service. 88% of flights departing here make it to their final destination as planned.

About Kathmandu Tribhuvan International Airport (KTM)

  • Have a late flight from San Diego to Kathmandu Tribhuvan International Airport? Don't let it hijack your sleep schedule. Check in to one of these hotels near KTM and hit the pillow fast:

  • Booking your ride around one week in advance of your San Diego to Kathmandu Tribhuvan International Airport flight can help you find the best deal.

Getting from Kathmandu Tribhuvan International Airport (KTM) to central Kathmandu

  • Central Kathmandu is around 6 kilometres from Kathmandu Tribhuvan International Airport and takes about 30 minutes to reach by car. Explore your options for getting into the city, whether that's with a taxi, car hire or ride-share.

  • When travelling by public transport, expect a journey time of around 40 minutes.

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

  • At the moment, $1,247 is the lowest price we've found for a one-way ticket from San Diego to Kathmandu Tribhuvan International Airport. The cheapest price for a return flight is $2,327. Keep in mind fares may change due to availability at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from San Diego to KTM. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely spend on your ticket.

  • If you're flexible with your trip dates, use the 'Whole month' tool. It'll show you the cheapest price across every month when searching for your San Diego to Kathmandu Tribhuvan International Airport ticket.

  • Never miss a deal on plane tickets from San Diego to KTM by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Lock in a cheap flight from San Diego to Kathmandu Tribhuvan International Airport by using the search filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

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

  • February is the busiest month for flights from San Diego to Kathmandu Tribhuvan International Airport (KTM). Plan your visit to Kathmandu in December if you prefer a quieter experience.

  • Before locking in your San Diego to KTM plane ticket, consider what kind of weather you prefer. June is the warmest month in Kathmandu, with temperatures ranging from 17ºC (63ºF) to 30ºC (86ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from San Diego to Kathmandu Tribhuvan International Airport in January when temperatures are between 3ºC (37ºF) and 19ºC (66ºF).

More about Kathmandu

  • After booking your flight from San Diego to Kathmandu Tribhuvan International Airport, find a hotel that offers a good mix of location and comfort. Make one of these options your base for exploring Kathmandu:

  • Your visit to Kathmandu wouldn't be complete without a bit of sightseeing. Leading attractions that belong on your itinerary include Kathmandu Durbar Square, Boudhanath Stupa and Swayambhunath Stupa.

Explore more of Nepal

  • Kathmandu will leave a lasting impression, but there are so many other parts of Nepal just waiting to be explored. About 145 kilometres northwest of Kathmandu, a visit to Pokhara will keep your itinerary packed. Don't miss top attractions like Phewa Lake, Parahawking and Sarangkot View Point.

  • Biratnagar is another well-known destination in Nepal and is around 241 kilometres southeast of Kathmandu. No journey is complete without seeing Haleshi Mahadev Mandir, Birateshwor Shiva Temple and ISKCON Jaljala.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.