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Cheap flights from California to Knock from €1,238

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from California to Knock departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from California to Knock

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
19:30 - 12:35
SFO
-
NOC
33h 05m
1 stop
British Airways Logo
13:05 - 17:58
NOC
-
SFO
36h 53m
2 stops
€1,238British Airways
Sun, 12 Jul - Tue, 21 Jul
British Airways Logo
08:00 - 12:35
SFO
-
NOC
44h 35m
2 stops
British Airways Logo
13:05 - 23:10
NOC
-
SFO
42h 05m
2 stops
€1,262British Airways
Sun, 12 Jul - Thu, 23 Jul
Aer Lingus Logo
07:50 - 12:35
SFO
-
NOC
20h 45m
2 stops
Aer Lingus Logo
13:05 - 15:55
NOC
-
SFO
34h 50m
2 stops
€1,263Aer Lingus
Tue, 30 Jun - Tue, 7 Jul
British Airways Logo
21:43 - 12:35
SFO
-
NOC
54h 52m
2 stops
British Airways Logo
13:05 - 00:59
NOC
-
SFO
43h 54m
2 stops
€1,267British Airways
Sat, 11 Jul - Thu, 23 Jul
British Airways Logo
19:30 - 12:35
SFO
-
NOC
33h 05m
1 stop
British Airways Logo
13:05 - 17:58
NOC
-
SFO
36h 53m
2 stops
€1,270British Airways
Wed, 15 Jul - Tue, 21 Jul
Multiple Airlines Logo
08:10 - 12:35
SFO
-
NOC
20h 25m
2 stops
Multiple Airlines Logo
09:00 - 15:27
NOC
-
SFO
38h 27m
3 stops
€1,290Multiple Airlines
Wed, 8 Jul - Mon, 13 Jul
British Airways Logo
06:15 - 12:35
SFO
-
NOC
22h 20m
2 stops
British Airways Logo
13:05 - 20:57
NOC
-
SFO
39h 52m
2 stops
€1,294British Airways
Mon, 13 Jul - Mon, 20 Jul
British Airways Logo
21:43 - 12:35
SFO
-
NOC
54h 52m
2 stops
British Airways Logo
13:05 - 17:47
NOC
-
SFO
36h 42m
2 stops
€1,299British Airways
Sat, 11 Jul - Mon, 20 Jul
British Airways Logo
19:30 - 12:35
SFO
-
NOC
33h 05m
1 stop
British Airways Logo
13:05 - 09:21
NOC
-
SFO
28h 16m
2 stops
€1,302British Airways
Sun, 12 Jul - Wed, 22 Jul
British Airways Logo
10:17 - 12:35
SFO
-
NOC
18h 18m
2 stops
British Airways Logo
13:05 - 09:21
NOC
-
SFO
28h 16m
2 stops
€1,326British Airways
Wed, 15 Jul - Wed, 22 Jul

Aer Lingus flights from California to Knock

Our best Aer Lingus deals on California to Knock flight tickets
Aer Lingus
30 Jun
SFO07:50San Francisco
20h 45m
2 stops
NOC12:35Knock Intl
7 Jul
NOC13:05Knock Intl
34h 50m
2 stops
SFO15:55San Francisco
€1,263
Aer Lingus
12 Jul
SFO19:30San Francisco
33h 05m
1 stop
NOC12:35Knock Intl
19 Jul
NOC13:05Knock Intl
32h 45m
1 stop
SFO13:50San Francisco
€1,689
Aer Lingus
9 Jul
SFO19:30San Francisco
33h 05m
1 stop
NOC12:35Knock Intl
23 Jul
NOC13:05Knock Intl
32h 45m
1 stop
SFO13:50San Francisco
€1,696

British Airways flights from California to Knock

Our best British Airways deals on California to Knock flight tickets
British Airways
12 Jul
SFO19:30San Francisco
33h 05m
1 stop
NOC12:35Knock Intl
21 Jul
NOC13:05Knock Intl
36h 53m
2 stops
SFO17:58San Francisco
€1,238
British Airways
12 Jul
SFO08:00San Francisco
44h 35m
2 stops
NOC12:35Knock Intl
23 Jul
NOC13:05Knock Intl
42h 05m
2 stops
SFO23:10San Francisco
€1,262
British Airways
11 Jul
SFO21:43San Francisco
54h 52m
2 stops
NOC12:35Knock Intl
23 Jul
NOC13:05Knock Intl
43h 54m
2 stops
SFO00:59San Francisco
€1,267

momondo Fare Finder

 
Customise your flight search to find flights from California 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, momondo users made 13,528 searches. Data last updated 17 May 2026.
Use the filters below to find and compare flights from California to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sun 12/7

19:30-12:35

1 stop33h 05m

Knock Intl

Tue 21/7

13:05-17:58

2 stops36h 53m

€1,238

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sun 12/7

08:00-12:35

2 stops44h 35m

Knock Intl

Thu 23/7

13:05-23:10

2 stops42h 05m

€1,262

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Tue 30/6

07:50-12:35

2 stops20h 45m

Knock Intl

Tue 7/7

13:05-15:55

2 stops34h 50m

€1,263

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sat 11/7

21:43-12:35

2 stops54h 52m

Knock Intl

Thu 23/7

13:05-00:59

2 stops43h 54m

€1,267

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Wed 15/7

19:30-12:35

1 stop33h 05m

Knock Intl

Tue 21/7

13:05-17:58

2 stops36h 53m

€1,270

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Wed 8/7

08:10-12:35

2 stops20h 25m

Knock Intl

Mon 13/7

09:00-15:27

3 stops38h 27m

€1,290

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Mon 13/7

06:15-12:35

2 stops22h 20m

Knock Intl

Mon 20/7

13:05-20:57

2 stops39h 52m

€1,294

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sat 11/7

21:43-12:35

2 stops54h 52m

Knock Intl

Mon 20/7

13:05-17:47

2 stops36h 42m

€1,299

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Sun 12/7

19:30-12:35

1 stop33h 05m

Knock Intl

Wed 22/7

13:05-09:21

2 stops28h 16m

€1,302
Fastest return journey

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Wed 15/7

10:17-12:35

2 stops18h 18m

Knock Intl

Wed 22/7

13:05-09:21

2 stops28h 16m

€1,326

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from California to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 12h 45m to fly from California to Knock if you fly out of Los Angeles (the most popular airport in California) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of San Diego and into Shannon, Clare, then the flight time is around 12h 55m.

Cheap California to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Knock

Fastest flight time

33h 05m

Direct flights

None
The fastest flight from California to Knock takes 33h 05m
There are no direct flights from California to Knock. There are no popular flight routes from California to Knock.
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Frequently asked questions about flying from California to Knock

  • When did momondo last update prices for flights from California to Knock Intl Airport?

    Prices for flights from California to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from California to Knock Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The necessary travel and health documents for your Knock Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from California to Knock?

It is quick and easy to find California to Knock flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knock that suits you.

Can I find flights from California to Knock with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knock from California with this policy.

How can momondo help me find flights from California to Knock?

Once you have performed a search for California to Knock flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from California to Knock right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of California to Knock flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Knock trip

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