Cheap Flights from Kathmandu to San Francisco International

Compare Kathmandu to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Kathmandu to San Francisco International

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

Find the cheapest month to fly from Kathmandu to San Francisco International

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

Kathmandu to San Francisco International: Alternative routes

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

Kathmandu to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundRs150,088
Cheapest month to flySeptember

Finding cheap flights from Kathmandu to San Francisco International: Frequently asked questions

The best price we found for a return flight from Kathmandu to San Francisco International is Rs310,937. 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 Kathmandu to San Francisco International. But we found flights with one or more stops from Rs310,090.
As of August 2025, there are no flights flying from Kathmandu to San Francisco International.
The cheapest month to fly from Kathmandu to San Francisco International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to San Francisco International Airport on Friday, 26 September 2025.
No airlines currently offer direct flights between Kathmandu Airport and San Francisco International 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 San Francisco International 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 San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to San Francisco International.

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

  • San Francisco's timezone is UTC-7, which makes San Francisco 12 hours 48 minutes behind Kathmandu.

  • To ensure you catch your KTM to SFO flight, leave enough time for things like baggage drop and finding your gate. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • Flying during a peak time such as September? Major public holidays and other popular seasons can result in longer lines at check-in and security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Tribhuvan International Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to visit your chosen city. Popular stopovers between KTM and SFO include:

    • Hong Kong International Airport

    • Indira Gandhi International Airport

    • Changi International Airport

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

  • Rs150,088 is currently the best price for a one-way Tribhuvan International Airport to San Francisco International Airport flight. Return flights start at Rs310,090. These prices can change based on availability and demand.

  • Don't wait until the last minute. You're more likely to find cheap tickets from KTM to SFO if you book in advance. Airlines often have some terrific early bird deals.

  • Finding cheap flights from Tribhuvan International Airport to San Francisco International Airport is easier if you're flexible with your travel plans. Use the 'Whole month' tool to see the lowest fares across every month and bag a great deal.

  • Spend less time searching for cheap flights from KTM to SFO by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Tribhuvan International Airport to San Francisco International Airport.

Handy information about Tribhuvan International Airport (KTM)

  • To reach Tribhuvan International Airport from central Kathmandu, it takes about 15 minutes if you're going by car. This depends on traffic though. It's approximately 5 kilometres from the airport to the city centre.

  • Get your travels off to a relaxed start by staying near KTM. Whether you're catching an early flight from Tribhuvan International Airport to San Francisco International Airport or just don't like being rushed, these hotels have you covered:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to central San Francisco has a drive time of about 20 minutes. It's approximately 21 kilometres away.

  • It takes roughly 45 minutes to get there by public transport.

When to fly to San Francisco International Airport (SFO)

  • August is the busiest month for flights from Tribhuvan International Airport to San Francisco International Airport. For a quieter experience, head to San Francisco in February.

  • Before locking in your flight from Tribhuvan International Airport to San Francisco International Airport, consider the kind of weather you enjoy. September is the warmest month in San Francisco, with temperatures ranging from 12ºC to 22ºC.

  • If you want cooler conditions, search for a cheap ticket from KTM to SFO in January. Temperatures average between 6ºC and 16ºC then.

Explore more of United States

  • San Francisco is always a good idea, but there are so many other parts of United States waiting to be discovered. Around 64 kilometres south-east of San Francisco, a visit to San Jose will keep you busy. Check out popular attractions like Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.

  • If there's time to check out another corner of United States, consider Fresno, about 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden are the start of reasons to visit.

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