Cheap flights from Shannon, Clare to San Francisco from $634

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Shannon, Clare to San Francisco departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Shannon, Clare to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:15 pm - 4:35 pm
SNN
-
SFO
27h 20m2 stops
British Airways Logo
4:35 pm - 4:10 pm
SFO
-
SNN
15h 35m1 stop
$634British Airways
Fri, May 15 - Tue, May 26
British Airways Logo
7:50 am - 6:42 pm
SNN
-
SFO
18h 52m2 stops
British Airways Logo
8:00 am - 11:30 am
SFO
-
SNN
19h 30m2 stops
$639British Airways
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
9:15 pm - 1:50 pm
SNN
-
SFO
24h 35m1 stop
British Airways Logo
10:15 am - 11:20 am
SFO
-
SNN
17h 05m2 stops
$681British Airways
Fri, May 15 - Tue, May 26
British Airways Logo
7:40 am - 9:04 pm
SNN
-
SFO
21h 24m2 stops
British Airways Logo
9:10 am - 11:20 am
SFO
-
SNN
18h 10m2 stops
$686British Airways
Fri, May 15 - Tue, May 26
American Airlines Logo
2:45 pm - 10:15 am
SNN
-
SFO
27h 30m2 stops
American Airlines Logo
6:28 am - 5:55 am
SFO
-
SNN
15h 27m1 stop
$696American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
2:45 pm - 10:15 am
SNN
-
SFO
27h 30m2 stops
American Airlines Logo
6:28 am - 5:55 am
SFO
-
SNN
15h 27m1 stop
$697American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
2:40 pm - 11:59 pm
SNN
-
SFO
17h 19m1 stop
American Airlines Logo
10:03 pm - 5:55 am
SFO
-
SNN
23h 52m1 stop
$752American Airlines
Fri, May 15 - Tue, May 26
British Airways Logo
7:50 am - 6:42 pm
SNN
-
SFO
18h 52m2 stops
British Airways Logo
5:30 pm - 7:25 pm
SFO
-
SNN
17h 55m1 stop
$840British Airways
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
7:50 am - 6:30 pm
SNN
-
SFO
18h 40m2 stops
Multiple Airlines Logo
5:30 pm - 7:25 pm
SFO
-
SNN
17h 55m1 stop
$845Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Aer Lingus Logo
8:05 pm - 3:00 pm
SNN
-
SFO
26h 55m1 stop
Aer Lingus Logo
8:40 pm - 11:30 am
SFO
-
SNN
30h 50m1 stop
$951Aer Lingus
Sun, Feb 8 - Sun, Feb 15

Aer Lingus flights from Shannon, Clare to San Francisco

Our best Aer Lingus deals on Shannon, Clare to San Francisco flight tickets
Aer Lingus
Feb 8
SNN8:05 pmShannon
26h 55m
1 stop
SFO3:00 pmSan Francisco
Feb 15
SFO8:40 pmSan Francisco
30h 50m
1 stop
SNN11:30 amShannon
Aer Lingus
Dec 29
SNN7:50 amShannon
18h 55m
1 stop
SFO6:45 pmSan Francisco
Jan 4
SFO5:30 pmSan Francisco
34h 00m
1 stop
SNN11:30 amShannon

British Airways flights from Shannon, Clare to San Francisco

Our best British Airways deals on Shannon, Clare to San Francisco flight tickets
British Airways
May 15
SNN9:15 pmShannon
27h 20m
2 stops
SFO4:35 pmSan Francisco
May 26
SFO4:35 pmSan Francisco
15h 35m
1 stop
SNN4:10 pmShannon
British Airways
Feb 26
SNN7:50 amShannon
18h 52m
2 stops
SFO6:42 pmSan Francisco
Mar 2
SFO8:00 amSan Francisco
19h 30m
2 stops
SNN11:30 amShannon
British Airways
May 15
SNN9:15 pmShannon
24h 35m
1 stop
SFO1:50 pmSan Francisco
May 26
SFO10:15 amSan Francisco
17h 05m
2 stops
SNN11:20 amShannon

momondo Fare Finder

 
Customize your flight search to find flights from Shannon, Clare to San Francisco 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 December 28, 2025.
Use the filters below to find and compare flights from Shannon, Clare to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/15

9:15 pm-4:35 pm

2 stops27h 20m

San Francisco

Tue 5/26

4:35 pm-4:10 pm

1 stop15h 35m

$634

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 2/26

7:50 am-6:42 pm

2 stops18h 52m

San Francisco

Mon 3/2

8:00 am-11:30 am

2 stops19h 30m

$639

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/15

9:15 pm-1:50 pm

1 stop24h 35m

San Francisco

Tue 5/26

10:15 am-11:20 am

2 stops17h 05m

$681

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/15

7:40 am-9:04 pm

2 stops21h 24m

San Francisco

Tue 5/26

9:10 am-11:20 am

2 stops18h 10m

$686

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 2/26

2:45 pm-10:15 am

2 stops27h 30m

San Francisco

Mon 3/2

6:28 am-5:55 am

1 stop15h 27m

$696

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 2/26

2:45 pm-10:15 am

2 stops27h 30m

San Francisco

Mon 3/2

6:28 am-5:55 am

1 stop15h 27m

$697

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/15

2:40 pm-11:59 pm

1 stop17h 19m

San Francisco

Tue 5/26

10:03 pm-5:55 am

1 stop23h 52m

$752

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 2/26

7:50 am-6:42 pm

2 stops18h 52m

San Francisco

Mon 3/2

5:30 pm-7:25 pm

1 stop17h 55m

$840

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Sun 2/8

7:50 am-6:30 pm

2 stops18h 40m

San Francisco

Sun 2/15

5:30 pm-7:25 pm

1 stop17h 55m

$845

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Sun 2/8

8:05 pm-3:00 pm

1 stop26h 55m

San Francisco

Sun 2/15

8:40 pm-11:30 am

1 stop30h 50m

$951

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Francisco from

How to get the cheapest flight ticket from Shannon, Clare to San Francisco

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 day to depart on your flight to San Francisco?

The cheapest day to depart from Shannon, Clare to San Francisco is on a Monday when prices can be found for as low as $765. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $786.

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

You could potentially save up to 60% on your flight if you consider stops on a Shannon, Clare to San Francisco flight.

When to book flights from Shannon, Clare to San Francisco

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

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

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

Fastest flight time

17h 34m

Direct flights

None
The fastest flight from Shannon, Clare to San Francisco takes 17h 34m
There are no direct flights from Shannon, Clare to San Francisco. There are no popular flight routes from Shannon, Clare to San Francisco.
  • How far is Shannon to San Francisco by plane?

    The distance between Shannon and San Francisco is about 5024.6 mi. By plane, this route typically takes 17h 34m.

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

    Prices for flights from Shannon Airport to San Francisco Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to San Francisco Airport.

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

    The required travel and health documents for your San Francisco 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 San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Livermore
Salinas
Sunnyvale
Pacifica

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Shannon to San Francisco for you.

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

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

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

Once all potential Shannon to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to San Francisco from Shannon. 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.

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1 adult
Tue 1/27
Tue 2/3

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