$669 Cheap China Southern Airlines flights San Francisco (SFO) to Kathmandu (KTM)

Scoring cheap one-way China Southern Airlines flights from SFO to KTM from $669 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $1,132 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

July is one of the least expensive months to jet off to Kathmandu with China Southern Airlines. You could also find great deals on one-way and return tickets in August.

Check for China Southern Airlines flights from SFO to KTM about one month before you want to go. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or fare class, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To find out if there’s a direct journey from SFO to KTM with China Southern Airlines or other carriers, select the “Nonstop” filter when searching for flights.

Filter your results by “Early Morning” and “Morning” to find the earliest departures from SFO to KTM. Setting off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on a China Southern Airlines flight from San Francisco Intl. Airport (SFO) to Kathmandu, and you’ll most likely land at Tribhuvan Intl. Airport (KTM). This is the airline’s primary hub in this city.

China Southern Airlines allows travelers to bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from SFO to KTM. Additionally, you can bring 1 cabin bag with you in the cabin. This hand luggage must not exceed 45 inches and weigh no more than 11 lb. Baggage policies can differ based on your cabin class and fare type, so double-check your booking or China Southern Airlines’s website to avoid paying additional costs at the airport.

With an excellent in-flight experience and top-tier customer service, China Southern Airlines is a top choice for many passengers heading from SFO to KTM. Plus, if you’re a China Southern Sky Pearl Club and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee typically applies if you cancel or change your flight more than 24 hours after it’s been confirmed. To secure flexible plane tickets, select our “No cancel fee” or “Changes included” filter when looking for flights. For additional information on modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”