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Cheap flights from California to Shannon from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Shannon departing on 9/16. 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 Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:10 am - 7:30 am
LAS
-
SNN
16h 20m
1 stop
United Airlines Logo
12:30 pm - 10:53 pm
SNN
-
LAS
18h 23m
1 stop
$719United Airlines
Sun, Sep 6 - Thu, Sep 10
United Airlines Logo
6:00 am - 7:30 am
LAS
-
SNN
17h 30m
2 stops
United Airlines Logo
12:30 pm - 10:53 pm
SNN
-
LAS
18h 23m
1 stop
$724United Airlines
Sun, Sep 6 - Thu, Sep 10
United Airlines Logo
9:20 am - 7:30 am
SMF
-
SNN
14h 10m
1 stop
United Airlines Logo
12:30 pm - 10:29 pm
SNN
-
SMF
17h 59m
1 stop
$747United Airlines
Mon, Sep 7 - Fri, Sep 18
United Airlines Logo
9:20 am - 7:30 am
SMF
-
SNN
14h 10m
1 stop
United Airlines Logo
9:30 am - 5:58 pm
SNN
-
SMF
16h 28m
2 stops
$752United Airlines
Mon, Sep 7 - Thu, Sep 17
Delta Logo
11:30 am - 11:10 am
SFO
-
SNN
15h 40m
1 stop
Delta Logo
1:05 pm - 10:55 pm
SNN
-
SFO
17h 50m
1 stop
$753Delta
Tue, Sep 1 - Wed, Sep 16
Delta Logo
11:30 am - 11:10 am
SFO
-
SNN
15h 40m
1 stop
Delta Logo
1:05 pm - 10:55 pm
SNN
-
SFO
17h 50m
1 stop
$754Delta
Tue, Sep 1 - Tue, Sep 15
Aer Lingus Logo
8:55 pm - 8:35 pm
LAX
-
SNN
15h 40m
1 stop
Aer Lingus Logo
9:15 pm - 6:20 pm
SNN
-
LAX
29h 05m
1 stop
$772Aer Lingus
Wed, Sep 9 - Tue, Sep 15
Lufthansa Logo
6:45 am - 7:30 am
SNA
-
SNN
16h 45m
1 stop
Lufthansa Logo
12:30 pm - 8:16 pm
SNN
-
SNA
15h 46m
1 stop
$835Lufthansa
Wed, Sep 9 - Tue, Sep 15
Lufthansa Logo
12:40 pm - 10:15 am
SNA
-
SNN
13h 35m
1 stop
Lufthansa Logo
12:30 pm - 8:14 pm
SNN
-
SNA
15h 44m
1 stop
$891Lufthansa
Tue, Aug 18 - Tue, Sep 1
British Airways Logo
2:22 pm - 4:10 pm
ONT
-
SNN
17h 48m
2 stops
British Airways Logo
7:30 am - 6:57 pm
SNN
-
ONT
19h 27m
2 stops
$985British Airways
Wed, Sep 9 - Tue, Sep 15

British Airways flights from California to Shannon, Clare

Our best British Airways deals on California to Shannon, Clare flight tickets
British Airways
Nov 2
SAN6:00 pmSan Diego
17h 25m
1 stop
SNN7:25 pmShannon
Nov 9
SNN8:05 pmShannon
28h 05m
1 stop
SAN4:10 pmSan Diego
$949
British Airways
Nov 2
SAN2:39 pmSan Diego
18h 06m
2 stops
SNN4:45 pmShannon
Nov 9
SNN8:05 pmShannon
28h 05m
1 stop
SAN4:10 pmSan Diego
$953
British Airways
Sep 2
SMF7:00 amSacramento Intl
25h 10m
2 stops
SNN4:10 pmShannon
Sep 14
SNN9:15 pmShannon
31h 08m
2 stops
SMF8:23 pmSacramento Intl
$958

Air France flights from California to Shannon, Clare

Our best Air France deals on California to Shannon, Clare flight tickets
Air France
Aug 31
SMF2:15 pmSacramento Intl
36h 55m
2 stops
SNN11:10 amShannon
Sep 8
SNN1:05 pmShannon
39h 14m
2 stops
SMF8:19 pmSacramento Intl
$821
Air France
Aug 14
LAX9:10 pmLos Angeles
30h 00m
1 stop
SNN11:10 amShannon
Aug 26
SNN1:05 pmShannon
17h 27m
2 stops
LAX10:32 pmLos Angeles
$929
Air France
Aug 12
LAX8:15 amLos Angeles
18h 55m
2 stops
SNN11:10 amShannon
Aug 26
SNN1:05 pmShannon
17h 27m
2 stops
LAX10:32 pmLos Angeles
$943

momondo Fare Finder

 
Customize your flight search to find flights from California to Shannon, Clare 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 832,500 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from California to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasShannon

LAS - SNN

LASSNN

Las Vegas Harry Reid Intl

Sun 9/6

7:10 am-7:30 am

1 stop16h 20m

Shannon

Thu 9/10

12:30 pm-10:53 pm

1 stop18h 23m

$719

Las VegasShannon

LAS - SNN

LASSNN

Las Vegas Harry Reid Intl

Sun 9/6

6:00 am-7:30 am

2 stops17h 30m

Shannon

Thu 9/10

12:30 pm-10:53 pm

1 stop18h 23m

$724

SacramentoShannon

SMF - SNN

SMFSNN

Sacramento Intl

Mon 9/7

9:20 am-7:30 am

1 stop14h 10m

Shannon

Fri 9/18

12:30 pm-10:29 pm

1 stop17h 59m

$747

SacramentoShannon

SMF - SNN

SMFSNN

Sacramento Intl

Mon 9/7

9:20 am-7:30 am

1 stop14h 10m

Shannon

Thu 9/17

9:30 am-5:58 pm

2 stops16h 28m

$752

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 9/1

11:30 am-11:10 am

1 stop15h 40m

Shannon

Wed 9/16

1:05 pm-10:55 pm

1 stop17h 50m

$753

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 9/1

11:30 am-11:10 am

1 stop15h 40m

Shannon

Tue 9/15

1:05 pm-10:55 pm

1 stop17h 50m

$754

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Wed 9/9

8:55 pm-8:35 pm

1 stop15h 40m

Shannon

Tue 9/15

9:15 pm-6:20 pm

1 stop29h 05m

$772

Santa AnaShannon

SNA - SNN

SNASNN

Santa Ana J. Wayne/Orange Cnty

Wed 9/9

6:45 am-7:30 am

1 stop16h 45m

Shannon

Tue 9/15

12:30 pm-8:16 pm

1 stop15h 46m

$835
Quickest round-trip

Santa AnaShannon

SNA - SNN

SNASNN

Santa Ana J. Wayne/Orange Cnty

Tue 8/18

12:40 pm-10:15 am

1 stop13h 35m

Shannon

Tue 9/1

12:30 pm-8:14 pm

1 stop15h 44m

$891

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 9/9

2:22 pm-4:10 pm

2 stops17h 48m

Shannon

Tue 9/15

7:30 am-6:57 pm

2 stops19h 27m

$985

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Shannon from

How to get the cheapest flight ticket from California to Shannon, Clare

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

What is the cheapest month to fly to Shannon, Clare?

In general, August is the cheapest month to fly from California to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $418. If you are unable to visit Shannon, Clare during the month of August, then departing from California during the month January is also very affordable. Most momondo users find prices during this month for around $468.

Can stopping save me money on California to Shannon, Clare flights?

You could potentially save up to 34% on your flight if you consider stops on a California to Shannon, Clare flight.

Cheap California to Shannon, Clare flight deals and tips

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

Fastest flight time

12h 46m

Direct flights

None
The fastest flight from California to Shannon, Clare takes 12h 46m
There are no direct flights from California to Shannon, Clare. There are no popular flight routes from California to Shannon, Clare.
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Frequently asked questions about flying from California to Shannon, Clare

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

    Prices for flights from California to Shannon Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from California to Shannon Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Shannon Airport.

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

    The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Shannon, Clare

Compare and see reviews for airlines that fly from California to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $442Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights
American AirlinesPriceFrom $468Free CancellationRating
7.1
11,663 reviews
Search American Airlines flights
British AirwaysPriceFrom $593Free CancellationRating
6.7
7,975 reviews
Search British Airways flights
DeltaPriceFrom $675Free CancellationRating
7.9
8,452 reviews
Search Delta flights

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Bunratty
Ennis
Adare
Lahinch
Nenagh

Why use momondo?

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

Finding the right flight to Shannon from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

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

Flights from California to Shannon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between California and Shannon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of California to Shannon 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 Shannon, Clare trip

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