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Knock

$958+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — NOC
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap 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 February 19, 2026.

This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:40 pm
SFO
-
NOC
2 stops34h 55m
Aer Lingus
Sun 4/121:05 pm
NOC
-
SFO
2 stops34h 45m
Aer Lingus
Deal found 2/19$958
This oojo deal was found by Cheapflights users on 2/19. 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.
Sun 4/57:30 pm
SFO
-
NOC
1 stop33h 05m
Multiple Airlines
Sun 4/121:05 pm
NOC
-
SFO
2 stops34h 45m
Multiple Airlines
Deal found 2/19$976
This Gurufare deal was found by Cheapflights users on 2/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:35 pm
SFO
-
NOC
2 stops35h 00m
Aer Lingus
Wed 5/201:05 pm
NOC
-
SFO
2 stops34h 45m
Aer Lingus
Deal found 2/16$999
This oojo deal was found by Cheapflights users on 2/19. 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.
Sun 4/57:30 pm
SFO
-
NOC
1 stop33h 05m
British Airways
Sun 4/121:05 pm
NOC
-
SFO
1 stop32h 45m
British Airways
Deal found 2/19$1,033
This British Airways deal was found by Cheapflights users on 2/17. 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 3/210:03 am
SFO
-
NOC
2 stops18h 22m
British Airways
Fri 3/61:00 pm
NOC
-
SFO
2 stops19h 52m
British Airways
Deal found 2/17$1,121
This BusinessClass deal was found by Cheapflights users on 2/16. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:30 pm
SFO
-
NOC
1 stop33h 05m
Multiple Airlines
Wed 5/201:05 pm
NOC
-
SFO
1 stop32h 45m
Multiple Airlines
Deal found 2/16$1,301
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:36 am
SFO
-
NOC
2 stops17h 59m
Multiple Airlines
Sat 4/111:05 pm
NOC
-
SFO
2 stops17h 22m
Multiple Airlines
Deal found 2/16$2,204

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$958
(Gurufare)
Provider with most accurate pricing for San Francisco-Knock Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Knock Intl flights.
Search Deals
From San Francisco to Knock Intl
Search Deals

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 February 19, 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

Sun 4/5

5:40 pm-12:35 pm

2 stops34h 55m

Knock Intl

Sun 4/12

1:05 pm-3:50 pm

2 stops34h 45m

$958

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sun 4/5

7:30 pm-12:35 pm

1 stop33h 05m

Knock Intl

Sun 4/12

1:05 pm-3:50 pm

2 stops34h 45m

$976

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Fri 5/15

5:35 pm-12:35 pm

2 stops35h 00m

Knock Intl

Wed 5/20

1:05 pm-3:50 pm

2 stops34h 45m

$999

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sun 4/5

7:30 pm-12:35 pm

1 stop33h 05m

Knock Intl

Sun 4/12

1:05 pm-1:50 pm

1 stop32h 45m

$1,033

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Mon 3/2

6:00 am-12:25 pm

2 stops22h 25m

Knock Intl

Fri 3/6

1:00 pm-12:48 am

2 stops19h 48m

$1,121

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Fri 5/15

7:30 pm-12:35 pm

1 stop33h 05m

Knock Intl

Wed 5/20

1:05 pm-1:50 pm

1 stop32h 45m

$1,301

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Thu 4/2

10:36 am-12:35 pm

2 stops17h 59m

Knock Intl

Sat 4/11

1:05 pm-10:27 pm

2 stops17h 22m

$2,204

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from San Francisco to Knock

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Knock in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Knock flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Knock flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $534). Flying from San Francisco to Knock in June is currently the most expensive (average of $799). 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?

    Aer Lingus and British Airways can get you from San Francisco to Knock in just under 33h 05m. Your travel time can differ by up to 1h 50m. There are 4980 mi between San Francisco and Knock. This flight may include one or multiple stops.

  • 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 $534). Flying from San Francisco to Knock in June is currently the most expensive (average of $799). 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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