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Cheap flights from Karachi to San Francisco from £646

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
KHI — SFO
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Karachi Quaid-E-Azam Intl to San Francisco are usually found in December or March, booked 63 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Karachi to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Karachi to San Francisco
Explore the most affordable flight options available from Karachi to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Wed 24/1213:30KHI - SFO
2 stops40h 06mMultiple Airlines
Mon 5/108:46SFO - KHI
2 stops34h 44mMultiple Airlines
Deal found 21/12£1,117
Fri 26/1204:20KHI - SFO
1 stop21h 20mQatar Airways
Wed 28/115:00SFO - KHI
1 stop26h 55mQatar Airways
Deal found 23/12£1,373

Find flight deals from Karachi to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Karachi (KHI) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 December 2025.

Round-trip from

£879

One-way from

£646

Popular in

January

Cheapest in

December

Average price

£841
Qatar Airways
  • Qatar Airways
  • 4/3-25/3
  • 2 total stops
  • 48h 15m total
  • Karachi to San Francisco
Search Deals
Pakistan International Airlines
  • Pakistan International Airlines
  • 5/2
  • 1 total stop
  • 23h 30m total
  • Karachi to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Karachi to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 December 2025.
Use the filters below to find and compare flights from Karachi to San Francisco that are best for you.

Fly from

Karachi

Fly to

San Francisco

Route

Depart

Return

Price

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Wed 4/3

04:20-12:40

1 stop21h 20m

San Francisco

Wed 25/3

16:00-06:55

1 stop26h 55m

£879

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Mon 23/2

04:20-12:40

1 stop21h 20m

San Francisco

Sun 2/8

15:55-07:15

1 stop27h 20m

£929

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Wed 4/2

06:15-16:45

1 stop23h 30m

San Francisco

Tue 28/7

18:45-04:20

1 stop21h 35m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Mon 2/2

06:15-16:45

1 stop23h 30m

San Francisco

Mon 27/7

18:45-04:30

1 stop21h 45m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Fri 6/2

06:15-16:45

1 stop23h 30m

San Francisco

Wed 29/7

18:45-08:05

1 stop25h 20m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Mon 2/2

06:15-16:45

1 stop23h 30m

San Francisco

Fri 31/7

12:55-08:05

1 stop31h 10m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Tue 3/2

06:15-16:45

1 stop23h 30m

San Francisco

Tue 28/7

18:45-04:20

1 stop21h 35m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Tue 3/2

06:15-16:45

1 stop23h 30m

San Francisco

Mon 27/7

12:55-04:30

1 stop27h 35m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Wed 4/2

06:15-16:45

1 stop23h 30m

San Francisco

Mon 27/7

12:55-08:05

1 stop31h 10m

£1,080

KarachiSan Francisco

KHI - SFO

KHISFO

Karachi Quaid-E-Azam Intl

Thu 5/2

06:15-16:45

1 stop23h 30m

£646

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 18 results
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Best time to book a flight from Karachi to San Francisco

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

How far ahead should I book a flight from Karachi to San Francisco?

Use this chart to determine the optimal time to book a return flight from Karachi to San Francisco. Price data was last updated on 19 December 2025.

The best time to book flights from Karachi to San Francisco is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, December is the cheapest month in which you can book a flight from Karachi to San Francisco (average of £807). Flying from Karachi to San Francisco in April is currently the most expensive (average of £1,084). 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.

Related info for your journey

Find useful and relevant information for your journey from Karachi to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Karachi to San Francisco?

    Departing from Karachi to San Francisco will take you 21h 20m. Airlines will cover a distance of 8067 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from Karachi to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Karachi 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 Karachi to San Francisco?

    Currently, December is the cheapest month in which you can book a flight from Karachi to San Francisco (average of £807). Flying from Karachi to San Francisco in April is currently the most expensive (average of £1,084). 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
South San Francisco
Bodega Bay
Sunnyvale
Pacific Grove

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Alternative routes for Karachi to San Francisco

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

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Karachi to San Francisco.

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

Need flexible booking options for your flight to San Francisco from Karachi? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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