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

Book the best Kathmandu fare with no extra fees

Flight deals from San Diego to Kathmandu

Looking for a cheap last-minute deal or the best round-trip flight from San Diego to Kathmandu? Find the lowest prices on one-way and round-trip tickets right here.

Kathmandu.$1,380 per passenger.Departing Fri, Oct 10, returning Sun, Nov 9.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from San Diego International on Fri, Oct 10, arriving in Kathmandu.Inbound indirect flight with Singapore Airlines, departing from Kathmandu on Sun, Nov 9, arriving in San Diego International.Price includes taxes and charges.From $1,380, select.

Kathmandu.$1,461 per passenger.Departing Sun, Aug 3, returning Sun, Aug 10.Round-trip flight with Hawaiian Airlines and IndiGo.Outbound indirect flight with Hawaiian Airlines, departing from San Diego International on Sun, Aug 3, arriving in Kathmandu.Inbound indirect flight with IndiGo, departing from Kathmandu on Sun, Aug 10, arriving in San Diego International.Price includes taxes and charges.From $1,461, select.

Kathmandu.$1,508 per passenger.Departing Sat, Jul 5, returning Sat, Jul 12.Round-trip flight with Hawaiian Airlines and Nepal Airlines.Outbound indirect flight with Hawaiian Airlines, departing from San Diego International on Sat, Jul 5, arriving in Kathmandu.Inbound indirect flight with Nepal Airlines, departing from Kathmandu on Sat, Jul 12, arriving in San Diego International.Price includes taxes and charges.From $1,508, select.

Kathmandu.$1,559 per passenger.Departing Fri, Jun 27, returning Sun, Jun 29.Round-trip flight with Hawaiian Airlines and Air India.Outbound indirect flight with Hawaiian Airlines, departing from San Diego International on Fri, Jun 27, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sun, Jun 29, arriving in San Diego International.Price includes taxes and charges.From $1,559, select.

Kathmandu.$1,560 per passenger.Departing Thu, May 29, returning Sat, Jun 14.Round-trip flight with Lufthansa and Air India.Outbound indirect flight with Lufthansa, departing from San Diego International on Thu, May 29, arriving in Kathmandu.Inbound indirect flight with Air India, departing from Kathmandu on Sat, Jun 14, arriving in San Diego International.Price includes taxes and charges.From $1,560, select.

Kathmandu.$1,763 per passenger.Departing Fri, Sep 12, returning Sat, Nov 1.Round-trip flight with Delta and Singapore Airlines.Outbound indirect flight with Delta, departing from San Diego International on Fri, Sep 12, arriving in Kathmandu.Inbound indirect flight with Singapore Airlines, departing from Kathmandu on Sat, Nov 1, arriving in San Diego International.Price includes taxes and charges.From $1,763, select.

Kathmandu.$2,795 per passenger.Departing Thu, Oct 2, returning Mon, Oct 20.Round-trip flight with jetBlue and Singapore Airlines.Outbound indirect flight with jetBlue, departing from San Diego International on Thu, Oct 2, arriving in Kathmandu.Inbound indirect flight with Singapore Airlines, departing from Kathmandu on Mon, Oct 20, arriving in San Diego International.Price includes taxes and charges.From $2,795, select.

Kathmandu.$5,399 per passenger.Departing Sat, Nov 1, returning Thu, Nov 20.Round-trip flight with Emirates.Outbound indirect flight with Emirates, departing from San Diego International on Sat, Nov 1, arriving in Kathmandu.Inbound indirect flight with Emirates, departing from Kathmandu on Thu, Nov 20, arriving in San Diego International.Price includes taxes and charges.From $5,399, select.

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 August.

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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	$1,380
Cheapest month to fly	October

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

How much are round-trip flights from San Diego to Kathmandu?

The best price we found for a round-trip flight from San Diego to Kathmandu is $1,380. 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.

Which airlines fly direct from San Diego to Kathmandu?

Currently, there are no airlines that fly direct from San Diego to Kathmandu. But we found flights with one stop from $1,380.

How many flights are there a week from San Diego to Kathmandu?

There are no flights flying from San Diego to Kathmandu, as of May 2025.

When is the cheapest time to fly from San Diego to Kathmandu?

The cheapest month to fly from San Diego to Kathmandu is usually May 2025.

Which upcoming date is cheapest to fly from San Diego to Kathmandu Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Kathmandu Airport on Friday, October 10, 2025.

Can I get a direct flight from San Diego to Kathmandu Airport?

No airlines currently offer direct flights between San Diego and Kathmandu Airport. Most routes have one or more stops.

How can I find the best flight deal to Kathmandu?

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.

When is the best time to book flights to Kathmandu?

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.

Which is the cheapest airline to fly with from San Diego to Kathmandu?

The cheapest airline that flies to Kathmandu is Singapore Airlines.

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

San Diego International Airport (SAN) is San Diego's main airport. Check out your options for booking a flight from San Diego to Tribhuvan International Airport (KTM) departing from here.
Tribhuvan International Airport is located in Kathmandu. The city operates in the UTC+5:47 timezone and is 12 hours 48 minutes ahead of San Diego.
To ensure you get on your flight from San Diego to KTM, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.
July is a busy time to fly out. If you're taking off then or around a major holiday like Christmas, show up even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in San Diego

San Diego International Airport (SAN)

The distance from central San Diego to SAN is about 5 kilometers. Use travel apps like Google Maps for the best way to get there, whether in your own car or with public transport.
Want a handy hotel near San Diego International Airport? If you're catching an early flight from San Diego to Tribhuvan International Airport, these stays will have you moments from your departure lounge:

About Tribhuvan International Airport (KTM)

The last thing you want is a long journey to your hotel if you're arriving on a late flight from San Diego to Tribhuvan International Airport. Book one of these accommodation options near KTM instead:

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

Tribhuvan International Airport to the center of Kathmandu takes about 16 minutes in a car. It's approximately 5 kilometers away. Discover what options are available, such as car rentals, cabs or ride-sharing services.

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

$665 is the lowest price we've seen for a one-way ticket from San Diego to Tribhuvan International Airport. Return flights start from $1,380. Fares are subject to availability and may change at any time.
Don't leave things to the last moment. You're more likely to find cheap tickets from San Diego to KTM if you book ahead. Airlines often offer some great early bird rates.
The 'Whole month' tool shows you the cheapest tickets from San Diego to Tribhuvan International Airport across every month. It's a good way to snap up a bargain if your travel plans are flexible.
Create a Price Alert and track any changes on this route through email or push notifications. You'll be the first to know when prices fall. It's all about timing when scoring cheap tickets from San Diego to KTM.
Take advantage of the filters to find your ideal trip. To see the 'Fastest,' 'Cheapest' or 'Best' flights from San Diego to Tribhuvan International Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

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

It's time to pick your trip dates for your flight from San Diego to Tribhuvan International Airport. October is the most popular month for a trip to Kathmandu. If you like a quieter atmosphere, go in February.
Think about the type of weather that'll suit your plans for Kathmandu. June is known as the warmest month. Lock in your flights from San Diego to KTM during then and you can expect temperatures of between 17ºC and 28ºC.
If you like traveling in cooler conditions, lock in a cheap flight from San Diego to Tribhuvan International Airport in January when temperatures average between 3ºC and 18ºC.

More about Kathmandu

After locking in your flight from San Diego to Tribhuvan International Airport, think about where you want to stay in this city. Make one of these accommodation options your base for exploring Kathmandu:
One of the best ways to experience Kathmandu is to explore its top attractions. Some highlights include Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa.

Complete your Kathmandu trip with a car rental

After you've booked your hotel and cheap flight from San Diego to Tribhuvan International Airport, your next task is choosing one of our car rentals in Kathmandu. Check out the exclusive deals and instantly compare options on price, pick-up convenience, and more.