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$990+ Cheap flights from San Francisco (SFO) to Knock (NOC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — NOC
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from San Francisco to Knock

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Knock (NOC). 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 January 6, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,115
(British Airways)
Provider with most accurate pricing for San Francisco-Knock Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Knock Intl flights.
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From San Francisco to Knock Intl
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Find flight deals from San Francisco to Knock

Cheapest flights from San Francisco to Knock
Explore the most affordable flight options available from San Francisco to Knock. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This KAYAK deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:30 pmSFO - NOC
1 stop33h 05mMultiple Airlines
Fri 8/71:05 pmNOC - SFO
2 stops17h 34mMultiple Airlines
Deal found 1/5$990
This oojo deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:00 amSFO - NOC
2 stops20h 35mBritish Airways
Fri 8/71:05 pmNOC - SFO
2 stops17h 34mBritish Airways
Deal found 1/5$1,005
This oojo deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 amSFO - NOC
2 stops22h 35mBritish Airways
Sat 7/251:05 pmNOC - SFO
2 stops41h 53mBritish Airways
Deal found 1/5$1,013
This British Airways deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:40 pmSFO - NOC
1 stop31h 45mBritish Airways
Fri 3/61:00 pmNOC - SFO
2 stops19h 52mBritish Airways
Deal found 1/5$1,115
This KAYAK deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:30 pmSFO - NOC
1 stop33h 05mMultiple Airlines
Sat 7/251:05 pmNOC - SFO
1 stop36h 35mMultiple Airlines
Deal found 1/5$1,358

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Knock 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 2,558,603 searches. Data last updated January 6, 2026.
Use the filters below to find and compare flights from San Francisco to Knock that are best for you.

Fly from

San Francisco

Fly to

Knock

Route

Depart

Return

Price

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Mon 3/2

5:30 pm-12:25 pm

1 stop34h 55m

Knock Intl

Fri 3/6

1:00 pm-12:48 am

2 stops19h 48m

$1,115

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

  • Most accurate provider: When it comes to deals on San Francisco-Knock flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Knock flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Francisco-Knock flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Knock flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Knock flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Knock

Have a flexible travel schedule? Discover the best time to fly to Knock from San Francisco with our price prediction graph.
Estimated round-trip 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 San Francisco to Knock

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

Currently, October is the cheapest month in which you can book a flight from San Francisco to Knock (average of $539). Flying from San Francisco to Knock in June is currently the most expensive (average of $863). 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 San Francisco to Knock. 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 San Francisco to Knock?

    British Airways can get you from San Francisco to Knock in just under 34h 55m. Your travel time can differ by up to . There are 4980 mi between San Francisco and Knock.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Knock (average of $539). Flying from San Francisco to Knock in June is currently the most expensive (average of $863). 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

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