Find cheap airlines flights from Kathmandu to San Francisco

You can choose from 5 airlines that fly from Kathmandu to San Francisco, including Nepal Airlines, Qatar Airways, and China Southern Airlines. Air India has lowest fares on this route.
Nepal Airlines logo Nepal Airlines
Qatar Airways logo Qatar Airways
China Southern Airlines logo China Southern Airlines
Turkish Airlines logo Turkish Airlines
Cathay Pacific logo Cathay Pacific
Airlines are determined based on actual purchased flight tickets from Kathmandu to San Francisco according to previous 12 months data from Trip.com.

Find flight deals from Kathmandu to San Francisco for the next 3 months. Book one way flights from $766 or round trip flights from $1,126.

Displayed flight fares from Kathmandu to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Kathmandu to San Francisco

The distance between Kathmandu and San Francisco is approximately 12,197.13 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price$766
Cheapest round-trip ticket price$1,126
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance12,197.13 km
Popular airlineNepal Airlines
Flight statistics for the Kathmandu–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Kathmandu to San Francisco (KTM-SFO)?

    Based on Trip.com data, Air India offers one-way fares as low as $766 on Cheapest nonstop routes (e.g. KTM to SFO on Thu, Apr 23), while Air India offers Cheapest nonstop round-trips from $1,126 departing on Tue, Apr 21 and returning on Tue, Apr 28.
  • At the moment, you can catch a nonstop flight from Kathmandu to San Francisco with the following airlines, including: Nepal Airlines China Southern Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kathmandu to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Kathmandu to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Apr 23, with one-way flights priced at just $766.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air India.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Kathmandu to San Francisco is September, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Kathmandu to San Francisco on March 21, 2026 with China Southern Airlines, with prices starting at $779.
  • You can land at any one of the following hubs in San Francisco, with Tribhuvan International Airport to San Francisco International Airport (KTM-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Kathmandu is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com airline insights on flights from Kathmandu to San Francisco

Which airlines offer the cheapest nonstop flights from Kathmandu to San Francisco?

Data is based on the average price of all nonstop flights from Kathmandu to San Francisco on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, China Southern Airlines offers the cheapest nonstop flights from Kathmandu to San Francisco, with an average price of $596.

$389
$596
$804
$1,011
$1,218
China Southern Airlines
$596
China Southern Airlines
Cathay Pacific
$924
Cathay Pacific
Korean Air
$1,048
Korean Air
Air India
$1,106
Air India
Singapore Airlines
$1,196
Singapore Airlines
Qatar Airways
$1,218
Qatar Airways