What airlines fly to Shannon, Clare?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Shannon, Clare from San Francisco according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 7 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from San Francisco to Shannon, Clare?

Flights via New York (JFK) offer the lowest average round-trip price of $884.

Which airport is the most popular layover for flights between San Francisco and Shannon, Clare?

Chicago (ORD) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from San Francisco to Shannon, Clare?

Chicago (ORD) has the shortest average layover time for this route: 2h 32m.

What is the cheapest airline that flies from San Francisco to Shannon?

American Airlines and Aer Lingus are the most popular carriers operating from San Francisco to Shannon

Which layover airport has the shortest travel time from San Francisco to Shannon, Clare?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 14h 08m.

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?

As of October 2025, there are 6 operators available to choose from 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.

$473 Cheap Flights from San Francisco to Shannon in 2025/26

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5:30 pm - 4:45 pmSFO-SNN

15h 15m1 stop

7:50 am - 6:45 pmSNN-SFO

18h 55m1 stop

$520American Airlines

Find Deal

Wed, Nov 12 - Wed, Nov 19

1:11 pm - 4:45 pmSFO-SNN

19h 34m2 stops

7:50 am - 6:45 pmSNN-SFO

18h 55m1 stop

$524American Airlines

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Wed, Nov 12 - Wed, Nov 19

9:00 am - 11:30 amSFO-SNN

18h 30m2 stops

7:50 am - 8:34 pmSNN-SFO

20h 44m2 stops

$534American Airlines

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Wed, Nov 12 - Wed, Nov 19

3:54 pm - 4:45 pmSFO-SNN

16h 51m2 stops

7:50 am - 8:56 pmSNN-SFO

21h 06m2 stops

$618American Airlines

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Thu, Nov 6 - Wed, Nov 19

2:30 pm - 11:30 amSFO-SNN

37h 00m2 stops

5:30 pm - 9:39 pmSNN-SFO

36h 09m2 stops

$807Air Canada

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Fri, Feb 13 - Fri, Feb 20

1:00 pm - 10:15 amSFO-SNN

13h 15m1 stop

12:30 pm - 7:00 pmSNN-SFO

14h 30m1 stop

$810United Airlines

Find Deal

Tue, Oct 21 - Fri, Oct 24

9:00 am - 10:15 amSFO-SNN

17h 15m2 stops

12:30 pm - 9:48 pmSNN-SFO

17h 18m2 stops

$815United Airlines

Find Deal

Tue, Oct 21 - Fri, Oct 24

11:34 am - 3:45 pmSFO-SNN

21h 11m2 stops

7:40 am - 8:58 pmSNN-SFO

21h 18m2 stops

$837British Airways

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Fri, Mar 27 - Tue, Mar 31

5:20 pm - 7:25 pmSFO-SNN

18h 05m2 stops

5:25 pm - 4:35 pmSNN-SFO

31h 10m2 stops

$897Aer Lingus

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Tue, Nov 18 - Sat, Nov 22

8:37 am - 3:50 pmSFO-SNN

23h 13m2 stops

8:05 pm - 9:40 pmSNN-SFO

32h 35m2 stops

$901Air Canada

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Fri, Oct 24 - Tue, Oct 28

American Airlines flights from San Francisco to Shannon, Clare

Our best American Airlines deals on San Francisco to Shannon, Clare flight tickets

American Airlines

Nov 12

SFO5:30 pmSan Francisco

15h 15m

1 stop

SNN4:45 pmShannon

Nov 19

SNN7:50 amShannon

18h 55m

1 stop

SFO6:45 pmSan Francisco

$520

Find similar

American Airlines

Nov 12

SFO1:11 pmSan Francisco

19h 34m

2 stops

SNN4:45 pmShannon

Nov 19

SNN7:50 amShannon

18h 55m

1 stop

SFO6:45 pmSan Francisco

$524

Find similar

American Airlines

Nov 12

SFO9:00 amSan Francisco

18h 30m

2 stops

SNN11:30 amShannon

Nov 19

SNN7:50 amShannon

20h 44m

2 stops

SFO8:34 pmSan Francisco

$534

Find similar

Air Canada flights from San Francisco to Shannon, Clare

Our best Air Canada deals on San Francisco to Shannon, Clare flight tickets

Air Canada

Feb 13

SFO2:30 pmSan Francisco

37h 00m

2 stops

SNN11:30 amShannon

Feb 20

SNN5:30 pmShannon

36h 09m

2 stops

SFO9:39 pmSan Francisco

$807

Find similar

Air Canada

Oct 24

SFO8:37 amSan Francisco

23h 13m

2 stops

SNN3:50 pmShannon

Oct 28

SNN8:05 pmShannon

32h 35m

2 stops

SFO9:40 pmSan Francisco

$901

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momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Shannon, Clare that are best for you.

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Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 11/12

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

Wed 11/19

7:50 am-6:45 pm

1 stop18h 55m

$520

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 11/12

1:11 pm-4:45 pm

2 stops19h 34m

Shannon

Wed 11/19

7:50 am-6:45 pm

1 stop18h 55m

$524

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 11/12

9:00 am-11:30 am

2 stops18h 30m

Shannon

Wed 11/19

7:50 am-8:34 pm

2 stops20h 44m

$534

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 11/6

3:54 pm-4:45 pm

2 stops16h 51m

Shannon

Wed 11/19

7:50 am-8:56 pm

2 stops21h 06m

$618

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 2/13

2:30 pm-11:30 am

2 stops37h 00m

Shannon

Fri 2/20

5:30 pm-9:39 pm

2 stops36h 09m

$807

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 10/21

1:00 pm-10:15 am

1 stop13h 15m

Shannon

Fri 10/24

12:30 pm-7:00 pm

1 stop14h 30m

$810

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 10/21

9:00 am-10:15 am

2 stops17h 15m

Shannon

Fri 10/24

12:30 pm-9:48 pm

2 stops17h 18m

$815

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 3/27

11:34 am-3:45 pm

2 stops21h 11m

Shannon

Tue 3/31

7:40 am-8:58 pm

2 stops21h 18m

$837

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 11/18

5:20 pm-7:25 pm

2 stops18h 05m

Shannon

Sat 11/22

5:25 pm-4:35 pm

2 stops31h 10m

$897

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 10/24

8:37 am-3:50 pm

2 stops23h 13m

Shannon

Tue 10/28

8:05 pm-9:40 pm

2 stops32h 35m

$901

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

In general, October 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 $694. If you are unable to visit Shannon, Clare during the month of October, then departing from San Francisco during the month January is also very affordable. Most momondo users find prices during this month for around $727.

What is the cheapest day to depart on your flight to Shannon, Clare?

The cheapest day to depart from San Francisco to Shannon, Clare is on a Monday when prices can be found for as low as $882. The most expensive day to fly to Shannon, Clare is Sunday, with ticket prices averaging around $1,144.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest San Francisco to Shannon, Clare flights are usually those with departure times in the afternoon. Our users have found flights to Shannon, Clare in the afternoon for as low as $921. Flights in the morning are often more expensive with an average ticket price of $984.

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 $862 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 $766 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

Direct flights	None

There are no direct flights from San Francisco to Shannon, Clare. There are no popular flight routes from San Francisco to Shannon, Clare.

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How far is San Francisco to Shannon by plane?
Shannon is 5024.6 mi away from San Francisco. 13h 15m 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?
As of October 2025, there are 6 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Shannon, Clare is United Airlines, representing 58% of all bookings. The subsequent popular airlines are Delta at 15%, American Airlines at 9%, and Aer Lingus at 6%.

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 Airlines	PriceFrom $576	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
Air France	PriceFrom $578	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France flights
United Airlines	PriceFrom $628	Free Cancellation	Rating 7.4 8,965 reviews	Search United Airlines flights
Delta	PriceFrom $664	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
Aer Lingus	PriceFrom $727	Free Cancellation	Rating 7.2 1,324 reviews	Search Aer Lingus flights
British Airways	PriceFrom $771	Free Cancellation	Rating 6.7 7,446 reviews	Search British Airways flights

Limerick

Ennis

Adare

Bunratty

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.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from San Francisco to Shannon from $473

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 3/21. 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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American Airlines flights from San Francisco to Shannon, Clare

Our best American Airlines deals on San Francisco to Shannon, Clare flight tickets

Air Canada flights from San Francisco to Shannon, Clare

Our best Air Canada deals on San Francisco to Shannon, Clare flight tickets

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Use the filters below to find and compare flights from San Francisco to Shannon, Clare that are best for you.

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?

What is the cheapest day to depart on your flight to Shannon, Clare?

The cheapest day to depart from San Francisco to Shannon, Clare is on a Monday when prices can be found for as low as $882. The most expensive day to fly to Shannon, Clare is Sunday, with ticket prices averaging around $1,144.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest San Francisco to Shannon, Clare flights are usually those with departure times in the afternoon. Our users have found flights to Shannon, Clare in the afternoon for as low as $921. Flights in the morning are often more expensive with an average ticket price of $984.

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

What is the cheapest airline that flies from San Francisco to Shannon?

American Airlines and Aer Lingus are the most popular carriers operating from San Francisco to Shannon

What airlines fly to Shannon, Clare?

Which airport is the most popular layover for flights between San Francisco and Shannon, Clare?

Chicago (ORD) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Francisco to Shannon, Clare?

Flights via New York (JFK) offer the lowest average round-trip price of $884.

Which layover airport has the shortest travel time from San Francisco to Shannon, Clare?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 14h 08m.

Which layover airport has the shortest connection time from San Francisco to Shannon, Clare?

Chicago (ORD) has the shortest average layover time for this route: 2h 32m.

When to book flights from San Francisco to Shannon, Clare

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

Direct flights

How far is San Francisco to Shannon by plane?

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

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?

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

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

Traveling to a place near Shannon?

Why use momondo?

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

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

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

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

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland