How long is the flight from Kathmandu to San Francisco?

A quick flight from Kathmandu to San Francisco can take about 27h 55m. Korean Air provides one of the quickest options available for as low as ₹ 116,410. Airlines will cover a distance of 12189 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from KTM to SFO?

When flying from Kathmandu to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Kathmandu to San Francisco that include hotel bookings?

Yes. In addition to deals on Kathmandu to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Kathmandu to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to San Francisco.

Can I find deals for business class flights from Kathmandu to San Francisco?

Yes. Cheapflights offers flight deals from Kathmandu to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

₹ 107,397+ Cheap Flights from Kathmandu to San Francisco

Cheap flight deals from Kathmandu to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Kathmandu to San Francisco
Explore the most affordable flight options available from Kathmandu to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Wed 21/1010:05 -

1 stop42h 15m

Mon 29/310:30 -

2 stops31h 20m

Deal found 17/9₹ 107,397

Wed 21/1016:05 -

2 stops29h 45m

Mon 29/310:30 -

2 stops33h 50m

Deal found 17/9₹ 112,575

Sat 24/1019:20 -

1 stop28h 00m

Sun 8/1111:45 -

1 stop39h 30m

Deal found 14/9₹ 116,410

Tue 20/1019:20 -

1 stop28h 05m

Sun 8/1111:45 -

1 stop39h 30m

Deal found 18/9₹ 116,506

Tue 20/1019:20 -

1 stop28h 05m

Wed 4/1111:45 -

1 stop39h 30m

Deal found 17/9₹ 122,931

Tue 22/919:20 -

1 stop28h 05m

Wed 10/311:45 -

1 stop39h 30m

Deal found 18/9₹ 123,698

Tue 20/1019:20 -

1 stop28h 05m

Sun 31/111:45 -

1 stop39h 30m

Deal found 18/9₹ 130,602

Tue 3/1119:25 -

1 stop27h 55m

Wed 4/1111:45 -

1 stop39h 30m

Deal found 17/9₹ 137,410

Thu 19/1122:55 -

1 stop35h 45m

Sun 31/122:55 -

1 stop32h 50m

Deal found 17/9₹ 139,808

Find flight deals from Kathmandu to San Francisco

Round-trip from	₹ 107,397
Popular in	August
Cheapest in	September
Average price	₹ 115,739

Air India
21/10-29/3
2 total stops
49h 55m total
Kathmandu to San Francisco

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (₹ 545,468 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (₹ 176,487 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Kathmandu to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Sat 24/10

19:20-10:35

1 stop28h 00m

San Francisco

Sun 8/11

11:45-17:00

1 stop39h 30m

₹ 116,410

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Mon 18/1

22:55-09:45

1 stop24h 35m

San Francisco

Mon 22/2

22:55-21:30

1 stop32h 50m

₹ 139,808

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Fri 16/10

23:00-22:40

1 stop36h 25m

San Francisco

Sun 25/10

12:25-21:30

1 stop44h 20m

₹ 146,712

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Wed 21/10

00:35-14:10

1 stop26h 20m

San Francisco

Sat 7/11

15:40-14:00

1 stop32h 35m

₹ 151,698

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Sun 18/10

07:00-14:10

1 stop43h 55m

San Francisco

Sun 31/1

15:40-08:20

1 stop26h 55m

₹ 153,136

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Fri 16/10

07:00-14:10

1 stop43h 55m

San Francisco

Fri 29/1

15:40-14:00

1 stop32h 35m

₹ 153,136

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Fri 5/2

00:30-12:50

1 stop26h 05m

San Francisco

Fri 26/2

15:40-18:40

1 stop37h 15m

₹ 153,328

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Sun 31/1

19:40-12:50

1 stop30h 55m

San Francisco

Sat 27/2

15:40-23:30

1 stop42h 05m

₹ 153,328

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Thu 4/2

15:00-12:50

1 stop35h 35m

San Francisco

Sat 27/2

15:40-18:40

1 stop37h 15m

₹ 153,328

KathmanduSan Francisco

KTM Kathmandu Tribhuvan - SFO San Francisco

KTMSFO

Kathmandu Tribhuvan

Sun 31/1

19:40-12:50

1 stop30h 55m

San Francisco

Sun 21/2

15:40-14:00

1 stop32h 35m

₹ 153,328

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Kathmandu to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kathmandu with our price prediction graph.

KTM-SFO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to San Francisco

What is the cheapest month to book a flight from Kathmandu to San Francisco?

Currently, September is the cheapest month in which you can book a flight from Kathmandu to San Francisco (average of ₹ 115,739). Flying from Kathmandu to San Francisco in August is currently the most expensive (average of ₹ 155,725). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Kathmandu to San Francisco?

Airfare is below average for this route at the moment.

Kathmandu to San Francisco flights typically cost between ₹ 116,027 and ₹ 145,465 in October.
The cheapest return price found within the last 5 days was ₹ 107,397 on Air India (21 Oct–29 Mar).

Related info for your journey

How long is the flight from Kathmandu to San Francisco?
A quick flight from Kathmandu to San Francisco can take about 27h 55m. Korean Air provides one of the quickest options available for as low as ₹ 116,410. Airlines will cover a distance of 12189 km. This flight may include one or multiple stops.
Can I find deals for flights from Kathmandu to San Francisco that include hotel bookings?
Yes. In addition to deals on Kathmandu to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Kathmandu to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to San Francisco.
Can I find deals for business class flights from Kathmandu to San Francisco?
Yes. Cheapflights offers flight deals from Kathmandu to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Kathmandu to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Kathmandu to San Francisco (average of ₹ 115,739). Flying from Kathmandu to San Francisco in August is currently the most expensive (average of ₹ 155,725). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Why should you use Cheapflights to find cheap flight tickets from Kathmandu to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Kathmandu by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Kathmandu to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kathmandu to San Francisco flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Kathmandu to San Francisco become cheaper?

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Cheap flights from Kathmandu to San Francisco from ₹ 107,397

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Kathmandu to San Francisco

Cheapest flights from Kathmandu to San FranciscoExplore the most affordable flight options available from Kathmandu to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Explore the most affordable flight options available from Kathmandu to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Kathmandu to San FranciscoDiscover carefully curated flight deals from Kathmandu to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Kathmandu to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Kathmandu to San FranciscoDiscover last-minute flight deals from Kathmandu to San Francisco. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Kathmandu to San Francisco. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Kathmandu to San FranciscoSearch for one-way flight options from Kathmandu to San Francisco. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Kathmandu to San Francisco. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Kathmandu to San Francisco

Round-trip from

Popular in

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Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kathmandu to San Francisco that are best for you.

Best time to book a flight from Kathmandu to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kathmandu with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Kathmandu to San Francisco?

How much does it cost for a return flight from Kathmandu to San Francisco?

Airfare is below average for this route at the moment.

Kathmandu to San Francisco flights typically cost between ₹ 116,027 and ₹ 145,465 in October.The cheapest return price found within the last 5 days was ₹ 107,397 on Air India (21 Oct–29 Mar).

Related info for your journey

How long is the flight from Kathmandu to San Francisco?

Can I find deals for flights from Kathmandu to San Francisco that include hotel bookings?

How can I find direct flights from Kathmandu to San Francisco?

Can I find deals for business class flights from Kathmandu to San Francisco?

What is the cheapest month to book a flight from Kathmandu to San Francisco?

Travelling to a place near San Francisco?

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Kathmandu and San Francisco flights

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Other flights from Kathmandu

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How does Cheapflights help users find flights from Kathmandu to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Kathmandu to San Francisco?

Can Cheapflights find flights from Kathmandu to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Kathmandu to San Francisco become cheaper?

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Cheapest flights from Kathmandu to San Francisco
Explore the most affordable flight options available from Kathmandu to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2026.

Best flights from Kathmandu to San Francisco
Discover carefully curated flight deals from Kathmandu to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Last-minute flights from Kathmandu to San Francisco
Discover last-minute flight deals from Kathmandu to San Francisco. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Kathmandu to San Francisco
Search for one-way flight options from Kathmandu to San Francisco. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Kathmandu to San Francisco flights typically cost between ₹ 116,027 and ₹ 145,465 in October.
The cheapest return price found within the last 5 days was ₹ 107,397 on Air India (21 Oct–29 Mar).