How long does it take to fly to Knock?

Flight times from California to Knock vary, but if you’re flying out of San Francisco and flying into Shannon, Clare (one of the most popular routes), then the duration is 13h 25m on average. Another popular route from California to Knock is flying from Los Angeles to Shannon, Clare, which will take roughly 14h. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from California to Knock Intl Airport refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

$985 Cheap Flights from California to Knock in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Knock

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 12:25 pmSFO San Francisco-NOC Knock Intl

35h 00m1 stop London Heathrow

1:00 pm - 2:55 pmNOC Knock Intl-SFO San Francisco

33h 55m1 stop London Heathrow

$985British Airways

Sun, Feb 14 - Wed, Feb 17

7:10 am - 12:25 pmSFO San Francisco-NOC Knock Intl

45h 15m2 stops Chicago O'Hare Intl London Heathrow

1:00 pm - 2:55 pmNOC Knock Intl-SFO San Francisco

33h 55m1 stop London Heathrow

$989British Airways

Sun, Feb 14 - Wed, Feb 17

5:25 pm - 12:25 pmSFO San Francisco-NOC Knock Intl

35h 00m1 stop London Heathrow

1:00 pm - 2:55 pmNOC Knock Intl-SFO San Francisco

33h 55m1 stop London Heathrow

$997British Airways

Sun, Feb 14 - Wed, Feb 17

9:00 am - 12:25 pmSFO San Francisco-NOC Knock Intl

19h 25m2 stops Dallas/Fort Worth London Heathrow

1:00 pm - 11:59 pmNOC Knock Intl-SFO San Francisco

18h 59m2 stops London Heathrow Las Vegas Harry Reid Intl

$999British Airways

Sun, Feb 14 - Wed, Feb 17

7:10 am - 12:25 pmSFO San Francisco-NOC Knock Intl

45h 15m2 stops Chicago O'Hare Intl London Heathrow

1:00 pm - 2:55 pmNOC Knock Intl-SFO San Francisco

33h 55m1 stop London Heathrow

$1,001British Airways

Sun, Feb 14 - Wed, Feb 17

9:00 am - 12:25 pmSFO San Francisco-NOC Knock Intl

19h 25m2 stops Dallas/Fort Worth London Heathrow

1:00 pm - 11:59 pmNOC Knock Intl-SFO San Francisco

18h 59m2 stops London Heathrow Las Vegas Harry Reid Intl

$1,011British Airways

Sun, Feb 14 - Wed, Feb 17

6:00 am - 12:35 pmSJC San Jose-NOC Knock Intl

22h 35m2 stops Dallas/Fort Worth London Heathrow

1:05 pm - 10:08 pmNOC Knock Intl-SJC San Jose

41h 03m2 stops London Heathrow Dallas/Fort Worth

$1,100Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

2:36 pm - 12:35 pmSJC San Jose-NOC Knock Intl

37h 59m2 stops Dallas/Fort Worth London Heathrow

1:05 pm - 10:08 pmNOC Knock Intl-SJC San Jose

41h 03m2 stops London Heathrow Dallas/Fort Worth

$1,185Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

7:00 am - 12:35 pmSFO San Francisco-NOC Knock Intl

21h 35m2 stops Chicago O'Hare Intl London Heathrow

1:05 pm - 6:02 pmNOC Knock Intl-SFO San Francisco

36h 57m2 stops London Heathrow Dallas/Fort Worth

$1,254Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

12:55 pm - 12:35 pmSFO San Francisco-NOC Knock Intl

15h 40m1 stop London Heathrow

1:05 pm - 1:35 pmNOC Knock Intl-SFO San Francisco

32h 30m1 stop London Heathrow

$1,354Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

Cheap last minute flights

Enter your travel dates to find the best prices.

8:10 am - 4:30 pmSFO San Francisco-NOC Knock Intl

24h 20m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat Liverpool J. Lennon

8:50 am - 2:35 pmNOC Knock Intl-SFO San Francisco

37h 45m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado

$1,358Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

8:10 am - 12:35 pmSFO San Francisco-NOC Knock Intl

20h 25m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

8:50 am - 2:35 pmNOC Knock Intl-SFO San Francisco

37h 45m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado

$1,426Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

6:00 am - 12:35 pmSFO San Francisco-NOC Knock Intl

22h 35m2 stops Philadelphia London Heathrow

1:05 pm - 3:55 pmNOC Knock Intl-SFO San Francisco

34h 50m2 stops London Heathrow Dublin

$1,554Aer Lingus

Tue, Aug 25 - Tue, Sep 1

6:02 am - 12:35 pmSFO San Francisco-NOC Knock Intl

22h 33m2 stops Chicago O'Hare Intl London Heathrow

1:05 pm - 5:30 pmNOC Knock Intl-SFO San Francisco

36h 25m1 stop London Heathrow

$1,565Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

6:02 am - 12:35 pmSFO San Francisco-NOC Knock Intl

22h 33m2 stops Chicago O'Hare Intl London Heathrow

1:05 pm - 1:50 pmNOC Knock Intl-SFO San Francisco

32h 45m1 stop London Heathrow

$1,614British Airways

Tue, Aug 25 - Tue, Sep 1

8:29 am - 12:35 pmSFO San Francisco-NOC Knock Intl

20h 06m2 stops Chicago O'Hare Intl London Heathrow

1:05 pm - 6:56 pmNOC Knock Intl-SFO San Francisco

37h 51m2 stops London Heathrow Philadelphia

$1,617British Airways

Tue, Aug 25 - Tue, Sep 1

6:00 am - 12:35 pmSJC San Jose-NOC Knock Intl

22h 35m2 stops Dallas/Fort Worth London Heathrow

1:05 pm - 6:04 pmNOC Knock Intl-SJC San Jose

36h 59m2 stops London Heathrow San Diego

$1,622British Airways

Tue, Aug 25 - Tue, Sep 1

10:24 am - 12:35 pmSFO San Francisco-NOC Knock Intl

18h 11m2 stops New York John F Kennedy Intl London Heathrow

1:05 pm - 10:50 pmNOC Knock Intl-SFO San Francisco

17h 45m2 stops London Heathrow Seattle/Tacoma Intl

$1,623Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

7:30 pm - 12:35 pmSFO San Francisco-NOC Knock Intl

33h 05m1 stop London Heathrow

1:05 pm - 5:30 pmNOC Knock Intl-SFO San Francisco

36h 25m1 stop London Heathrow

$2,582British Airways

Tue, Aug 25 - Tue, Sep 1

7:30 pm - 12:35 pmSFO San Francisco-NOC Knock Intl

33h 05m1 stop London Heathrow

1:05 pm - 1:50 pmNOC Knock Intl-SFO San Francisco

32h 45m1 stop London Heathrow

$5,390Aer Lingus

Tue, Aug 25 - Tue, Sep 1

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from California to Knock

Our best British Airways deals on California to Knock flight tickets

British Airways

Nov 29

SFO5:25 pmSan Francisco

35h 00m

1 stop

NOC12:25 pmKnock Intl

Dec 3

NOC1:00 pmKnock Intl

33h 55m

1 stop

SFO2:55 pmSan Francisco

$980

British Airways

Nov 29

SFO12:00 pmSan Francisco

40h 25m

2 stops

NOC12:25 pmKnock Intl

Dec 3

NOC1:00 pmKnock Intl

33h 55m

1 stop

SFO2:55 pmSan Francisco

$984

British Airways

Feb 14

SFO5:25 pmSan Francisco

35h 00m

1 stop

NOC12:25 pmKnock Intl

Feb 17

NOC1:00 pmKnock Intl

33h 55m

1 stop

SFO2:55 pmSan Francisco

$985

Aer Lingus flights from California to Knock

Our best Aer Lingus deals on California to Knock flight tickets

Aer Lingus

Aug 25

SFO6:00 amSan Francisco

22h 35m

2 stops

NOC12:35 pmKnock Intl

Sep 1

NOC1:05 pmKnock Intl

34h 50m

2 stops

SFO3:55 pmSan Francisco

$1,554

Aer Lingus

Aug 25

SFO7:30 pmSan Francisco

33h 05m

1 stop

NOC12:35 pmKnock Intl

Sep 1

NOC1:05 pmKnock Intl

32h 45m

1 stop

SFO1:50 pmSan Francisco

$5,390

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sun 2/14

5:25 pm-12:25 pm

1 stop35h 00m

Knock Intl

Wed 2/17

1:00 pm-2:55 pm

1 stop33h 55m

$985

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sun 2/14

7:10 am-12:25 pm

2 stops45h 15m

Knock Intl

Wed 2/17

1:00 pm-2:55 pm

1 stop33h 55m

$989

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sun 2/14

5:25 pm-12:25 pm

1 stop35h 00m

Knock Intl

Wed 2/17

1:00 pm-2:55 pm

1 stop33h 55m

$997

Quickest round-trip

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sun 2/14

9:00 am-12:25 pm

2 stops19h 25m

Knock Intl

Wed 2/17

1:00 pm-11:59 pm

2 stops18h 59m

$999

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sun 2/14

7:10 am-12:25 pm

2 stops45h 15m

Knock Intl

Wed 2/17

1:00 pm-2:55 pm

1 stop33h 55m

$1,001

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sun 2/14

9:00 am-12:25 pm

2 stops19h 25m

Knock Intl

Wed 2/17

1:00 pm-11:59 pm

2 stops18h 59m

$1,011

San JoseKnock

SJC San Jose - NOC Knock Intl

SJCNOC

San Jose

Mon 10/5

6:00 am-12:35 pm

2 stops22h 35m

Knock Intl

Mon 10/12

1:05 pm-10:08 pm

2 stops41h 03m

$1,100

San JoseKnock

SJC San Jose - NOC Knock Intl

SJCNOC

San Jose

Thu 10/1

2:36 pm-12:35 pm

2 stops37h 59m

Knock Intl

Thu 10/8

1:05 pm-10:08 pm

2 stops41h 03m

$1,185

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sat 10/3

7:00 am-12:35 pm

2 stops21h 35m

Knock Intl

Sat 10/10

1:05 pm-6:02 pm

2 stops36h 57m

$1,254

San FranciscoKnock

SFO San Francisco - NOC Knock Intl

SFONOC

San Francisco

Sat 10/3

12:55 pm-12:35 pm

1 stop15h 40m

Knock Intl

Sat 10/10

1:05 pm-1:35 pm

1 stop32h 30m

$1,354

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Airlines

Other information

What airlines fly to Knock?

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Knock from California according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Knock. Keep in mind that there are 6 different airlines that fly to Knock on a routine basis, so you have a few additional options to choose from.

Cheap California to Knock flight deals and tips

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

Best Price Found	$985
Fastest flight time	21h 35m
Direct flights	None

The best flight deal from California to Knock found on momondo in the last 72 hours is $985

The fastest flight from California to Knock takes 21h 35m

There are no direct flights from California to Knock. There are no popular flight routes from California to Knock.

Search flight deals

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 refresh daily.
How old do you have to be to fly from California to Knock Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license 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.

Best airlines flying from California to Knock

Compare and see reviews for airlines that fly from California to Knock with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $1,264	Free Cancellation	Rating 6.7 8,184 reviews		Search British Airways flights

Sligo

Westport

Carrick-on-Shannon

Newport

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Knock. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Knock from California which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knock from California.

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

Yes momondo offers price alerts on flights to Knock from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Knock trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 9/21

Mon 9/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Nearby airports

Airlines

Cabin classes

Other Ireland destinations

Other flights from California

Complete your trip

Feeling lucky

Airports servicing Ireland

Cheap flights from California to Knock from $985

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from California to Knock departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from California to Knock

Cheap round-trip flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from California to Knock

Our best British Airways deals on California to Knock flight tickets

Aer Lingus flights from California to Knock

Our best Aer Lingus deals on California to Knock flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from California to Knock that are best for you.

See travel insights to Knock from

How to get the cheapest flight ticket from California to Knock

What airlines fly to Knock?

How long does it take to fly to Knock?

Cheap California to Knock flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Knock

Best airlines flying from California to Knock

Compare and see reviews for airlines that fly from California to Knock with momondo

Traveling to a place near Knock?

Why use momondo?

An easier way to manage your Knock trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland

Fly your favorite airline to Knock

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Knock

List of cabin classes available on flights landing in Knock. Availability may vary depending on flight origin and airline.

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from California

According to popular flight searches on momondo this year

Complete your trip to Knock

Explore popular destinations other users love

According to popular flight searches on momondo this year