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Cheap flights from San Francisco to Shannon from $449

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Shannon departing on 9/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
6:00 am - 7:30 am
SFO
-
SNN
17h 30m
1 stop
United Airlines Logo
9:30 am - 7:12 pm
SNN
-
SFO
17h 42m
1 stop
$749United Airlines
Sat, Aug 15 - Sat, Aug 29
Multiple Airlines Logo
12:35 am - 7:30 am
SFO
-
SNN
22h 55m
1 stop
Multiple Airlines Logo
12:00 pm - 12:40 pm
SNN
-
SFO
32h 40m
1 stop
$755Multiple Airlines
Tue, Aug 25 - Sat, Sep 5
Delta Logo
1:45 pm - 11:10 am
SFO
-
SNN
13h 25m
1 stop
Delta Logo
1:05 pm - 10:32 pm
SNN
-
SFO
17h 27m
1 stop
$757Delta
Tue, Sep 1 - Tue, Sep 15
United Airlines Logo
5:00 am - 7:30 am
SFO
-
SNN
18h 30m
2 stops
United Airlines Logo
9:30 am - 5:34 pm
SNN
-
SFO
16h 04m
2 stops
$761United Airlines
Tue, Sep 1 - Wed, Sep 16
Delta Logo
8:55 am - 11:10 am
SFO
-
SNN
18h 15m
1 stop
Delta Logo
1:05 pm - 10:15 am
SNN
-
SFO
29h 10m
1 stop
$762Delta
Tue, Aug 11 - Sat, Aug 22
Multiple Airlines Logo
6:13 am - 11:10 am
SFO
-
SNN
20h 57m
2 stops
Multiple Airlines Logo
1:05 pm - 10:15 am
SNN
-
SFO
29h 10m
1 stop
$768Multiple Airlines
Tue, Aug 11 - Sat, Aug 22
United Airlines Logo
5:00 am - 7:30 am
SFO
-
SNN
18h 30m
1 stop
United Airlines Logo
12:30 pm - 7:14 pm
SNN
-
SFO
14h 44m
1 stop
$805United Airlines
Tue, Sep 1 - Tue, Sep 15
United Airlines Logo
6:00 am - 10:15 am
SFO
-
SNN
20h 15m
2 stops
United Airlines Logo
12:30 pm - 7:14 pm
SNN
-
SFO
14h 44m
1 stop
$809United Airlines
Tue, Sep 1 - Tue, Sep 15
United Airlines Logo
6:00 am - 10:15 am
SFO
-
SNN
20h 15m
1 stop
United Airlines Logo
12:30 pm - 11:32 pm
SNN
-
SFO
19h 02m
1 stop
$826United Airlines
Mon, Sep 28 - Tue, Oct 13
United Airlines Logo
10:17 am - 10:15 am
SFO
-
SNN
15h 58m
2 stops
United Airlines Logo
12:30 pm - 10:52 pm
SNN
-
SFO
18h 22m
2 stops
$830United Airlines
Sun, Oct 4 - Fri, Oct 16

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Air France flights from San Francisco to Shannon, Clare

Our best Air France deals on San Francisco to Shannon, Clare flight tickets
Air France
Aug 11
SFO11:49 amSan Francisco
15h 21m
1 stop
SNN11:10 amShannon
Aug 22
SNN1:05 pmShannon
17h 28m
1 stop
SFO10:33 pmSan Francisco
$953
Air France
Aug 11
SFO5:36 amSan Francisco
21h 34m
2 stops
SNN11:10 amShannon
Aug 22
SNN1:05 pmShannon
17h 28m
1 stop
SFO10:33 pmSan Francisco
$957

Delta flights from San Francisco to Shannon, Clare

Our best Delta deals on San Francisco to Shannon, Clare flight tickets
Delta
Aug 11
SFO8:55 amSan Francisco
18h 15m
1 stop
SNN11:10 amShannon
Aug 22
SNN1:05 pmShannon
29h 10m
1 stop
SFO10:15 amSan Francisco
$762
Delta
Aug 29
SFO10:35 pmSan Francisco
28h 35m
1 stop
SNN11:10 amShannon
Sep 20
SNN1:05 pmShannon
17h 22m
1 stop
SFO10:27 pmSan Francisco
$887
Delta
Aug 29
SFO10:35 pmSan Francisco
28h 35m
1 stop
SNN11:10 amShannon
Sep 20
SNN1:05 pmShannon
17h 22m
1 stop
SFO10:27 pmSan Francisco
$896

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 July 20, 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

Cheapest round-trip

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 8/15

6:00 am-7:30 am

1 stop17h 30m

Shannon

Sat 8/29

9:30 am-7:12 pm

1 stop17h 42m

$749

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 8/25

12:35 am-7:30 am

1 stop22h 55m

Shannon

Sat 9/5

12:00 pm-12:40 pm

1 stop32h 40m

$755
Quickest round-trip

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 9/1

1:45 pm-11:10 am

1 stop13h 25m

Shannon

Tue 9/15

1:05 pm-10:32 pm

1 stop17h 27m

$757

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 9/1

5:00 am-7:30 am

2 stops18h 30m

Shannon

Wed 9/16

9:30 am-5:34 pm

2 stops16h 04m

$761

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 8/11

8:55 am-11:10 am

1 stop18h 15m

Shannon

Sat 8/22

1:05 pm-10:15 am

1 stop29h 10m

$762

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 8/11

6:13 am-11:10 am

2 stops20h 57m

Shannon

Sat 8/22

1:05 pm-10:15 am

1 stop29h 10m

$768

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 9/1

5:00 am-7:30 am

1 stop18h 30m

Shannon

Tue 9/15

12:30 pm-7:14 pm

1 stop14h 44m

$805

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 9/1

6:00 am-10:15 am

2 stops20h 15m

Shannon

Tue 9/15

12:30 pm-7:14 pm

1 stop14h 44m

$809

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 9/28

6:00 am-10:15 am

1 stop20h 15m

Shannon

Tue 10/13

12:30 pm-11:32 pm

1 stop19h 02m

$826

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 10/4

10:17 am-10:15 am

2 stops15h 58m

Shannon

Fri 10/16

12:30 pm-10:52 pm

2 stops18h 22m

$830

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 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 typical price of a round-trip flight between San Francisco and Shannon, Clare?

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

In general, December 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 $627. If you are unable to visit Shannon, Clare during the month of December, then departing from San Francisco during the month October is also very affordable. Most momondo users find prices during this month for around $628.

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

You could potentially save up to 16% on your flight if you consider stops on a San Francisco to Shannon, Clare flight.

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

14h 50m

Direct flights

None
The fastest flight from San Francisco to Shannon, Clare takes 14h 50m
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

Frequently asked questions about flying from San Francisco to Shannon, Clare

  • How far is San Francisco to Shannon by plane?

    Shannon is 5024.8 mi away from San Francisco. 14h 50m 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
11,822 reviews
Search American Airlines flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
10,011 reviews
Search United Airlines flights
British AirwaysPriceFrom $593Free CancellationRating
6.7
8,124 reviews
Search British Airways flights
DeltaPriceFrom $800Free CancellationRating
7.8
8,475 reviews
Search Delta flights
LufthansaPriceFrom $875Free CancellationRating
6.8
8,148 reviews
Search Lufthansa flights

Traveling to a place near Shannon?

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

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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