Cheap flights from San Francisco to Ireland from $269

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 Ireland departing on 3/4. 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 Logo
4:35 pm - 8:35 pm
SFO
-
SNN
20h 00m1 stop
American Airlines Logo
9:15 pm - 1:50 pm
SNN
-
SFO
24h 35m1 stop
$419American Airlines
Mon, May 4 - Tue, May 12
American Airlines Logo
10:41 am - 11:20 am
SFO
-
SNN
16h 39m2 stops
American Airlines Logo
9:15 pm - 1:50 pm
SNN
-
SFO
24h 35m1 stop
$423American Airlines
Mon, May 4 - Tue, May 12
American Airlines Logo
5:30 pm - 4:45 pm
SFO
-
SNN
15h 15m1 stop
American Airlines Logo
7:50 am - 10:40 pm
SNN
-
SFO
22h 50m2 stops
$429American Airlines
Tue, Jan 27 - Thu, Feb 5
United Airlines Logo
12:55 pm - 10:15 am
SFO
-
SNN
13h 20m1 stop
United Airlines Logo
12:30 pm - 8:36 pm
SNN
-
SFO
16h 06m1 stop
$437United Airlines
Mon, Apr 20 - Fri, May 1
United Airlines Logo
12:55 pm - 10:15 am
SFO
-
SNN
13h 20m1 stop
United Airlines Logo
12:30 pm - 7:16 pm
SNN
-
SFO
14h 46m1 stop
$462United Airlines
Sun, Apr 19 - Wed, Apr 29
Delta Logo
4:40 pm - 3:00 pm
SFO
-
ORK
15h 20m1 stop
Delta Logo
5:15 pm - 12:50 pm
ORK
-
SFO
26h 35m1 stop
$514Delta
Mon, Mar 16 - Mon, Mar 23
Delta Logo
2:55 pm - 11:25 pm
SFO
-
ORK
25h 30m1 stop
Delta Logo
11:15 am - 12:50 pm
ORK
-
SFO
32h 35m1 stop
$520Delta
Sun, Mar 15 - Mon, Mar 23
Aer Lingus Logo
5:30 pm - 3:40 pm
SFO
-
DUB
14h 10m1 stop
Aer Lingus Logo
12:30 pm - 4:35 pm
DUB
-
SFO
11h 05mnonstop
$599Aer Lingus
Tue, Feb 24 - Wed, Mar 11
Aer Lingus Logo
5:45 pm - 11:45 am
SFO
-
DUB
10h 00mnonstop
Aer Lingus Logo
12:50 pm - 3:45 pm
DUB
-
SFO
10h 55mnonstop
$600Aer Lingus
Mon, Apr 6 - Mon, May 11
Scandinavian Airlines Logo
11:05 am - 11:50 am
SFO
-
DUB
40h 45m2 stops
Scandinavian Airlines Logo
7:05 pm - 2:40 pm
DUB
-
SFO
27h 35m1 stop
$606Scandinavian Airlines
Wed, Apr 22 - Sun, May 3

Aer Lingus flights from San Francisco to Ireland

Our best Aer Lingus deals on San Francisco to Ireland flight tickets
Aer Lingus
Feb 24
SFO5:30 pmSan Francisco
14h 10m
1 stop
DUB3:40 pmDublin
Mar 11
DUB12:30 pmDublin
11h 05m
SFO4:35 pmSan Francisco
Aer Lingus
Apr 6
SFO5:45 pmSan Francisco
10h 00m
DUB11:45 amDublin
May 11
DUB12:50 pmDublin
10h 55m
SFO3:45 pmSan Francisco
Aer Lingus
Feb 2
SFO3:35 pmSan Francisco
14h 55m
1 stop
DUB2:30 pmDublin
Feb 17
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco

Scandinavian Airlines flights from San Francisco to Ireland

Our best Scandinavian Airlines deals on San Francisco to Ireland flight tickets
Scandinavian Airlines
Apr 22
SFO11:05 amSan Francisco
40h 45m
2 stops
DUB11:50 amDublin
May 3
DUB7:05 pmDublin
27h 35m
1 stop
SFO2:40 pmSan Francisco
Scandinavian Airlines
Jan 9
SFO4:40 pmSan Francisco
59h 05m
2 stops
DUB11:45 amDublin
Jan 14
DUB12:30 pmDublin
44h 38m
2 stops
SFO1:08 amSan Francisco
Scandinavian Airlines
Mar 21
SFO5:40 pmSan Francisco
34h 05m
2 stops
DUB10:45 amDublin
Mar 27
DUB10:45 amDublin
35h 50m
2 stops
SFO3:35 pmSan Francisco

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Ireland 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 4, 2025.
Use the filters below to find and compare flights from San Francisco to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 5/4

4:35 pm-8:35 pm

1 stop20h 00m

Shannon

Tue 5/12

9:15 pm-1:50 pm

1 stop24h 35m

$419

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 5/4

10:41 am-11:20 am

2 stops16h 39m

Shannon

Tue 5/12

9:15 pm-1:50 pm

1 stop24h 35m

$423

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 1/27

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

Thu 2/5

7:50 am-10:40 pm

2 stops22h 50m

$429

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 4/20

12:55 pm-10:15 am

1 stop13h 20m

Shannon

Fri 5/1

12:30 pm-8:36 pm

1 stop16h 06m

$437

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 4/19

12:55 pm-10:15 am

1 stop13h 20m

Shannon

Wed 4/29

12:30 pm-7:16 pm

1 stop14h 46m

$462

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Mon 3/16

4:40 pm-3:00 pm

1 stop15h 20m

Cork

Mon 3/23

5:15 pm-12:50 pm

1 stop26h 35m

$514

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Sun 3/15

2:55 pm-11:25 pm

1 stop25h 30m

Cork

Mon 3/23

11:15 am-12:50 pm

1 stop32h 35m

$520

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 2/24

5:30 pm-3:40 pm

1 stop14h 10m

Dublin

Wed 3/11

12:30 pm-4:35 pm

Nonstop11h 05m

$599

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 4/6

5:45 pm-11:45 am

Nonstop10h 00m

Dublin

Mon 5/11

12:50 pm-3:45 pm

Nonstop10h 55m

$600

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 4/22

11:05 am-11:50 am

2 stops40h 45m

Dublin

Sun 5/3

7:05 pm-2:40 pm

1 stop27h 35m

$606

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from San Francisco to Ireland

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 Ireland?

In general, February is the cheapest month to fly from San Francisco to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $596. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $656.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $765. This is often the case because there is less demand to fly during this day of the week. Flights from San Francisco to Ireland on a Thursday will generally be more expensive and average around $865. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from San Francisco to Ireland in the evening for as low as $674. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $931.

What is the cheapest San Francisco to Ireland flight route?

Fly from San Francisco to Dublin for the best San Francisco - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $769 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from San Francisco for as low as $676 on momondo.

What cabin class options are available on San Francisco to Ireland flights?

There are 3 cabin classes available to choose from on San Francisco to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Ireland flights?

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

Cheap San Francisco to Ireland flight deals and tips

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

Best Price Found

$428

Fastest flight time

10h 00m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from San Francisco in the past 72 hours is $428. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $729.
The fastest flight from San Francisco to Ireland takes 10h 00m
Direct flights go from San Francisco to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
  • When did momondo last update prices for flights from San Francisco Airport to Ireland?

    Prices for flights from San Francisco Airport to Ireland are refreshed on a daily basis.

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

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

    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 San Francisco Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Ireland?

Best airlines flying from San Francisco to Ireland

Compare and see reviews for airlines that fly from San Francisco to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $421Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $471Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $498Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $507Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $510Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
American AirlinesPriceFrom $533Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SWISSPriceFrom $539Free CancellationRating
7.5
1,804 reviews
Search SWISS flights
DeltaPriceFrom $544Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Air FrancePriceFrom $578Free CancellationRating
7.4
1,502 reviews
Search Air France flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Ireland. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Ireland.

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

Yes momondo offers price alerts on flights to Ireland from San Francisco. 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
Sat 1/3
Sat 1/10

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Popular flights according to clicks in the last 7 days on momondo