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Cheap flights from Shannon, Clare to San Francisco from $673

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 3/5. 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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Cheap round-trip flights

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Air Canada Logo
5:30 pm - 8:34 pmSNN-SFO
35h 04m2 stops
Air Canada Logo
1:20 pm - 4:45 pmSFO-SNN
20h 25m2 stops
$673Air Canada
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Thu, Mar 5 - Mon, Mar 9
Air Canada Logo
7:50 am - 9:44 pmSNN-SFO
21h 54m2 stops
Air Canada Logo
7:30 am - 4:45 pmSFO-SNN
26h 15m2 stops
$674Air Canada
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
7:50 am - 3:00 pmSNN-SFO
15h 10m1 stop
American Airlines Logo
6:30 pm - 4:45 pmSFO-SNN
15h 15m1 stop
$683American Airlines
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Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
7:50 am - 6:45 pmSNN-SFO
18h 55m1 stop
American Airlines Logo
7:26 am - 11:30 amSFO-SNN
21h 04m2 stops
$685American Airlines
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Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
7:50 am - 8:30 pmSNN-SFO
20h 40m2 stops
Multiple Airlines Logo
10:16 am - 11:30 amSFO-SNN
17h 14m2 stops
$734Multiple Airlines
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Thu, Dec 4 - Mon, Dec 8
Aer Lingus Logo
8:05 pm - 3:35 pmSNN-SFO
27h 30m2 stops
Aer Lingus Logo
8:40 pm - 7:25 pmSFO-SNN
14h 45m1 stop
$759Aer Lingus
Find Deal
Thu, Dec 4 - Mon, Dec 8
Aer Lingus Logo
5:30 pm - 6:45 pmSNN-SFO
33h 15m1 stop
Aer Lingus Logo
5:30 pm - 7:25 pmSFO-SNN
17h 55m1 stop
$808Aer Lingus
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Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
7:50 am - 2:40 pmSNN-SFO
14h 50m1 stop
Multiple Airlines Logo
6:45 pm - 7:25 pmSFO-SNN
16h 40m2 stops
$828Multiple Airlines
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Thu, Dec 4 - Mon, Dec 8
British Airways Logo
7:50 am - 3:00 pmSNN-SFO
15h 10m1 stop
British Airways Logo
10:16 am - 11:30 amSFO-SNN
17h 14m2 stops
$832British Airways
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Thu, Dec 4 - Mon, Dec 8
British Airways Logo
7:50 am - 3:00 pmSNN-SFO
15h 10m1 stop
British Airways Logo
8:49 am - 11:30 amSFO-SNN
18h 41m2 stops
$892British Airways
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Fri, Dec 26 - Wed, Dec 31

Aer Lingus flights from Shannon, Clare to San Francisco

Our best Aer Lingus deals on Shannon, Clare to San Francisco flight tickets
Aer Lingus
Dec 4
SNN8:05 pmShannon
27h 30m
2 stops
SFO3:35 pmSan Francisco
Dec 8
SFO8:40 pmSan Francisco
14h 45m
1 stop
SNN7:25 pmShannon
$759
Find similar
Aer Lingus
Dec 4
SNN5:30 pmShannon
33h 15m
1 stop
SFO6:45 pmSan Francisco
Dec 8
SFO5:30 pmSan Francisco
17h 55m
1 stop
SNN7:25 pmShannon
$808
Find similar
Aer Lingus
Dec 26
SNN8:05 pmShannon
27h 30m
2 stops
SFO3:35 pmSan Francisco
Dec 31
SFO6:10 amSan Francisco
26h 35m
2 stops
SNN4:45 pmShannon
$850
Find similar

American Airlines flights from Shannon, Clare to San Francisco

Our best American Airlines deals on Shannon, Clare to San Francisco flight tickets
American Airlines
Mar 5
SNN7:50 amShannon
15h 10m
1 stop
SFO3:00 pmSan Francisco
Mar 9
SFO6:30 pmSan Francisco
15h 15m
1 stop
SNN4:45 pmShannon
$683
Find similar
American Airlines
Mar 5
SNN7:50 amShannon
18h 55m
1 stop
SFO6:45 pmSan Francisco
Mar 9
SFO7:26 amSan Francisco
21h 04m
2 stops
SNN11:30 amShannon
$685
Find similar
American Airlines
Mar 5
SNN7:50 amShannon
20h 52m
2 stops
SFO8:42 pmSan Francisco
Mar 9
SFO10:37 amSan Francisco
17h 53m
2 stops
SNN11:30 amShannon
$690
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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 November 6, 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

Thu 3/5

5:30 pm-8:34 pm

2 stops35h 04m

San Francisco

Mon 3/9

1:20 pm-4:45 pm

2 stops20h 25m

$673

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 3/5

7:50 am-9:44 pm

2 stops21h 54m

San Francisco

Mon 3/9

7:30 am-4:45 pm

2 stops26h 15m

$674

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 3/5

7:50 am-3:00 pm

1 stop15h 10m

San Francisco

Mon 3/9

6:30 pm-4:45 pm

1 stop15h 15m

$683

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 3/5

7:50 am-6:45 pm

1 stop18h 55m

San Francisco

Mon 3/9

7:26 am-11:30 am

2 stops21h 04m

$685

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 12/4

7:50 am-8:30 pm

2 stops20h 40m

San Francisco

Mon 12/8

10:16 am-11:30 am

2 stops17h 14m

$734

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 12/4

8:05 pm-3:35 pm

2 stops27h 30m

San Francisco

Mon 12/8

8:40 pm-7:25 pm

1 stop14h 45m

$759

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 12/4

5:30 pm-6:45 pm

1 stop33h 15m

San Francisco

Mon 12/8

5:30 pm-7:25 pm

1 stop17h 55m

$808

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 12/4

7:50 am-2:40 pm

1 stop14h 50m

San Francisco

Mon 12/8

6:45 pm-7:25 pm

2 stops16h 40m

$828

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 12/4

7:50 am-3:00 pm

1 stop15h 10m

San Francisco

Mon 12/8

10:16 am-11:30 am

2 stops17h 14m

$832

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 12/26

7:50 am-3:00 pm

1 stop15h 10m

San Francisco

Wed 12/31

8:49 am-11:30 am

2 stops18h 41m

$892

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 62% 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

Direct flights

None
There are no direct flights from Shannon, Clare to San Francisco. There are no popular flight routes from Shannon, Clare to San Francisco.
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  • 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 14h 50m.

  • 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
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

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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