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Cheap flights from San Francisco to Shannon from $554

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Shannon departing on 8/9. 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 San Francisco to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:50 am - 7:30 am
SFO
-
SNN
22h 40m
1 stop
United Airlines Logo
9:30 am - 8:00 pm
SNN
-
SFO
18h 30m
1 stop
$554United Airlines
Sun, Aug 9 - Wed, Sep 9
United Airlines Logo
5:05 am - 7:30 am
SFO
-
SNN
18h 25m
1 stop
United Airlines Logo
12:30 pm - 10:58 pm
SNN
-
SFO
18h 28m
2 stops
$558United Airlines
Mon, Aug 10 - Wed, Sep 9
United Airlines Logo
10:50 am - 10:15 am
SFO
-
SNN
15h 25m
2 stops
United Airlines Logo
12:30 pm - 7:18 pm
SNN
-
SFO
14h 48m
1 stop
$606United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
6:40 am - 10:15 am
SFO
-
SNN
19h 35m
2 stops
United Airlines Logo
12:30 pm - 10:38 pm
SNN
-
SFO
18h 08m
2 stops
$610United Airlines
Mon, Apr 27 - Tue, May 5
United Airlines Logo
8:55 pm - 7:30 am
SFO
-
SNN
26h 35m
2 stops
United Airlines Logo
9:30 am - 6:18 pm
SNN
-
SFO
16h 48m
1 stop
$652United Airlines
Fri, Jul 10 - Tue, Jul 21
Delta Logo
10:45 pm - 11:10 am
SFO
-
SNN
28h 25m
1 stop
Delta Logo
1:05 pm - 1:24 am
SNN
-
SFO
20h 19m
1 stop
$653Delta
Fri, Jul 10 - Tue, Jul 21
United Airlines Logo
11:59 pm - 10:15 am
SFO
-
SNN
26h 16m
2 stops
United Airlines Logo
12:30 pm - 10:49 pm
SNN
-
SFO
18h 19m
2 stops
$660United Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
7:15 am - 10:15 am
SFO
-
SNN
19h 00m
2 stops
United Airlines Logo
12:30 pm - 9:34 pm
SNN
-
SFO
17h 04m
2 stops
$681United Airlines
Thu, Apr 30 - Thu, May 14
United Airlines Logo
11:20 pm - 10:15 am
SFO
-
SNN
26h 55m
2 stops
United Airlines Logo
12:30 pm - 7:32 am
SNN
-
SFO
27h 02m
2 stops
$701United Airlines
Thu, May 7 - Sun, May 10
United Airlines Logo
11:20 pm - 10:15 am
SFO
-
SNN
26h 55m
2 stops
United Airlines Logo
12:30 pm - 7:32 am
SNN
-
SFO
27h 02m
2 stops
$702United Airlines
Thu, May 7 - Sun, May 10

Air Canada flights from San Francisco to Shannon, Clare

Our best Air Canada deals on San Francisco to Shannon, Clare flight tickets
Air Canada
Mar 30
SFO4:25 pmSan Francisco
20h 10m
2 stops
SNN8:35 pmShannon
Apr 6
SNN7:30 amShannon
22h 00m
2 stops
SFO9:30 pmSan Francisco
$851
Air Canada
Mar 28
SFO4:20 pmSan Francisco
39h 50m
2 stops
SNN3:10 pmShannon
Apr 4
SNN5:25 pmShannon
36h 05m
2 stops
SFO9:30 pmSan Francisco
$855
Air Canada
Mar 4
SFO1:20 pmSan Francisco
38h 10m
2 stops
SNN11:30 amShannon
Mar 8
SNN7:50 amShannon
44h 05m
2 stops
SFO7:55 pmSan Francisco
$883

United Airlines flights from San Francisco to Shannon, Clare

Our best United Airlines deals on San Francisco to Shannon, Clare flight tickets
United Airlines
Aug 9
SFO12:50 amSan Francisco
22h 40m
1 stop
SNN7:30 amShannon
Sep 9
SNN9:30 amShannon
18h 30m
1 stop
SFO8:00 pmSan Francisco
$554
United Airlines
Aug 10
SFO5:05 amSan Francisco
18h 25m
1 stop
SNN7:30 amShannon
Sep 9
SNN12:30 pmShannon
18h 28m
2 stops
SFO10:58 pmSan Francisco
$558
United Airlines
Apr 21
SFO10:50 amSan Francisco
15h 25m
2 stops
SNN10:15 amShannon
Apr 28
SNN12:30 pmShannon
14h 48m
1 stop
SFO7:18 pmSan Francisco
$606

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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 February 28, 2026.
Use the filters below to find and compare flights from San Francisco to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 8/9

12:50 am-7:30 am

1 stop22h 40m

Shannon

Wed 9/9

9:30 am-8:00 pm

1 stop18h 30m

$554

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/10

5:05 am-7:30 am

1 stop18h 25m

Shannon

Wed 9/9

12:30 pm-10:58 pm

2 stops18h 28m

$558

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 4/21

10:50 am-10:15 am

2 stops15h 25m

Shannon

Tue 4/28

12:30 pm-7:18 pm

1 stop14h 48m

$606

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 4/27

6:40 am-10:15 am

2 stops19h 35m

Shannon

Tue 5/5

12:30 pm-10:38 pm

2 stops18h 08m

$610

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 7/10

8:55 pm-7:30 am

2 stops26h 35m

Shannon

Tue 7/21

9:30 am-6:18 pm

1 stop16h 48m

$652

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 7/10

10:45 pm-11:10 am

1 stop28h 25m

Shannon

Tue 7/21

1:05 pm-1:24 am

1 stop20h 19m

$653

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 4/13

11:59 pm-10:15 am

2 stops26h 16m

Shannon

Mon 4/20

12:30 pm-10:49 pm

2 stops18h 19m

$660

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 4/30

7:15 am-10:15 am

2 stops19h 00m

Shannon

Thu 5/14

12:30 pm-9:34 pm

2 stops17h 04m

$681

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 5/7

11:20 pm-10:15 am

2 stops26h 55m

Shannon

Sun 5/10

12:30 pm-7:32 am

2 stops27h 02m

$701

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 5/7

11:20 pm-10:15 am

2 stops26h 55m

Shannon

Sun 5/10

12:30 pm-7:32 am

2 stops27h 02m

$702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Shannon from

How to get the cheapest flight ticket from San Francisco 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, January is the cheapest month to fly from San Francisco to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $602. If you are unable to visit Shannon, Clare during the month of January, then departing from San Francisco during the month December is also very affordable. Most momondo users find prices during this month for around $627.

How far in advance should I book a flight to Shannon, Clare?

You are more likely to see cheaper flights to Shannon, Clare from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from San Francisco for as low as $703 on momondo.

When to book flights from San Francisco to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Shannon, Clare (SFO to SNN) flight deals and tips

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

Fastest flight time

15h 25m

Direct flights

None
The fastest flight from San Francisco to Shannon, Clare takes 15h 25m
There are no direct flights from San Francisco to Shannon, Clare. There are no popular flight routes from San Francisco to Shannon, Clare.
Search flight deals

  • How far is San Francisco to Shannon by plane?

    Shannon is 5024.6 mi away from San Francisco. 15h 25m is a normal flight duration for this route.

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

    Prices for flights from San Francisco Airport to Shannon Airport were last updated today.

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

  • How old do you have to be to fly from San Francisco Airport 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 San Francisco Airport to Shannon Airport.

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

    The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to Shannon, Clare?

Best airlines flying from San Francisco to Shannon, Clare

Compare and see reviews for airlines that fly from San Francisco to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $533Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,362 reviews
Search United Airlines flights
British AirwaysPriceFrom $593Free CancellationRating
6.7
7,772 reviews
Search British Airways flights
DeltaPriceFrom $664Free CancellationRating
7.9
8,244 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 San Francisco to Shannon?

It is quick and easy to find San Francisco to Shannon 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 Shannon that suits you.

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

All flight searches from San Francisco to Shannon on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Shannon?

Once you have performed a search for San Francisco to Shannon 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 San Francisco to Shannon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.

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