Cheap flights from San Francisco to Ireland from $276

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 2/21. 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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0 bags

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Enter your travel dates to find the best prices.
American Airlines Logo
4:35 pm - 4:10 pm
SFO
-
SNN
15h 35m1 stop
American Airlines Logo
7:40 am - 5:40 pm
SNN
-
SFO
18h 00m1 stop
$565American Airlines
Thu, Apr 23 - Thu, May 7
American Airlines Logo
6:30 pm - 4:45 pm
SFO
-
SNN
15h 15m1 stop
American Airlines Logo
7:50 am - 4:00 pm
SNN
-
SFO
15h 10m1 stop
$567American Airlines
Wed, Mar 11 - Tue, Mar 17
American Airlines Logo
10:19 am - 11:20 am
SFO
-
SNN
17h 01m2 stops
American Airlines Logo
9:15 pm - 1:50 pm
SNN
-
SFO
24h 35m1 stop
$570American Airlines
Thu, Apr 23 - Thu, May 7
Scandinavian Airlines Logo
1:35 pm - 6:20 pm
SFO
-
DUB
20h 45m2 stops
Scandinavian Airlines Logo
12:30 pm - 10:54 pm
DUB
-
SFO
42h 24m2 stops
$583Scandinavian Airlines
Wed, Jan 21 - Mon, Jan 26
Scandinavian Airlines Logo
5:40 pm - 11:45 am
SFO
-
DUB
35h 05m1 stop
Scandinavian Airlines Logo
8:00 pm - 2:40 pm
DUB
-
SFO
50h 40m2 stops
$584Scandinavian Airlines
Tue, Mar 24 - Sat, Apr 11
Delta Logo
1:55 pm - 12:55 pm
SFO
-
ORK
15h 00m1 stop
Delta Logo
6:00 am - 11:50 am
ORK
-
SFO
13h 50m1 stop
$650Delta
Wed, Jan 28 - Fri, Feb 6
KLM Logo
1:55 pm - 11:25 pm
SFO
-
ORK
25h 30m1 stop
KLM Logo
6:00 am - 11:50 am
ORK
-
SFO
13h 50m1 stop
$651KLM
Wed, Jan 28 - Fri, Feb 6
KLM Logo
12:10 pm - 12:55 pm
SFO
-
ORK
16h 45m2 stops
KLM Logo
6:00 am - 11:50 am
ORK
-
SFO
13h 50m1 stop
$655KLM
Wed, Jan 28 - Fri, Feb 6
British Airways Logo
5:30 pm - 12:25 pm
SFO
-
NOC
34h 55m1 stop
British Airways Logo
1:00 pm - 4:00 pm
NOC
-
SFO
34h 00m1 stop
$1,070British Airways
Thu, Mar 5 - Mon, Mar 9
British Airways Logo
8:40 pm - 12:25 pm
SFO
-
NOC
31h 45m1 stop
British Airways Logo
1:00 pm - 4:00 pm
NOC
-
SFO
34h 00m1 stop
$1,071British Airways
Thu, Mar 5 - Mon, Mar 9

Air Canada flights from San Francisco to Ireland

Our best Air Canada deals on San Francisco to Ireland flight tickets
Air Canada
Feb 3
SFO6:45 amSan Francisco
16h 25m
2 stops
DUB7:10 amDublin
Feb 13
DUB9:00 amDublin
38h 25m
2 stops
SFO3:25 pmSan Francisco
Air Canada
Feb 8
SFO11:20 amSan Francisco
59h 50m
2 stops
DUB7:10 amDublin
Feb 18
DUB9:00 amDublin
19h 34m
2 stops
SFO8:34 pmSan Francisco
Air Canada
Jan 9
SFO8:30 amSan Francisco
14h 40m
1 stop
DUB7:10 amDublin
Jan 16
DUB9:00 amDublin
32h 38m
2 stops
SFO9:38 amSan Francisco

Delta flights from San Francisco to Ireland

Our best Delta deals on San Francisco to Ireland flight tickets
Delta
Feb 4
SFO7:00 amSan Francisco
17h 45m
1 stop
DUB8:45 amDublin
Feb 13
DUB5:55 amDublin
13h 55m
1 stop
SFO11:50 amSan Francisco
Delta
Jan 5
SFO3:40 pmSan Francisco
16h 05m
1 stop
DUB3:45 pmDublin
Jan 20
DUB5:55 amDublin
13h 55m
1 stop
SFO11:50 amSan Francisco
Delta
Jan 5
SFO3:40 pmSan Francisco
16h 05m
1 stop
DUB3:45 pmDublin
Jan 20
DUB5:55 amDublin
19h 52m
2 stops
SFO5:47 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 27, 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

Thu 4/23

4:35 pm-4:10 pm

1 stop15h 35m

Shannon

Thu 5/7

7:40 am-5:40 pm

1 stop18h 00m

$565

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 3/11

6:30 pm-4:45 pm

1 stop15h 15m

Shannon

Tue 3/17

7:50 am-4:00 pm

1 stop15h 10m

$567

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 4/23

10:19 am-11:20 am

2 stops17h 01m

Shannon

Thu 5/7

9:15 pm-1:50 pm

1 stop24h 35m

$570

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 1/21

1:35 pm-6:20 pm

2 stops20h 45m

Dublin

Mon 1/26

12:30 pm-10:54 pm

2 stops42h 24m

$583

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 3/24

5:40 pm-11:45 am

1 stop35h 05m

Dublin

Sat 4/11

8:00 pm-2:40 pm

2 stops50h 40m

$584

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 1/28

1:55 pm-12:55 pm

1 stop15h 00m

Cork

Fri 2/6

6:00 am-11:50 am

1 stop13h 50m

$650

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 1/28

1:55 pm-11:25 pm

1 stop25h 30m

Cork

Fri 2/6

6:00 am-11:50 am

1 stop13h 50m

$651

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 1/28

12:10 pm-12:55 pm

2 stops16h 45m

Cork

Fri 2/6

6:00 am-11:50 am

1 stop13h 50m

$655

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Thu 3/5

5:30 pm-12:25 pm

1 stop34h 55m

Knock Intl

Mon 3/9

1:00 pm-4:00 pm

1 stop34h 00m

$1,070

San FranciscoKnock

SFO - NOC

SFONOC

San Francisco

Thu 3/5

8:40 pm-12:25 pm

1 stop31h 45m

Knock Intl

Mon 3/9

1:00 pm-4:00 pm

1 stop34h 00m

$1,071

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 $671.

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 $760. 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 $862. 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 $770 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 $673 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.

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

$415

Fastest flight time

10h 00m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from San Francisco in the past 72 hours is $415. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $694.
The fastest flight from San Francisco to Ireland takes 10h 00m
Direct flights go from San Francisco to Ireland every day.
There are 77 airports in Ireland. From San Francisco there are direct flights to 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
1,627 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $468Free CancellationRating
7.2
11,068 reviews
Search American Airlines flights
British AirwaysPriceFrom $471Free CancellationRating
6.7
7,619 reviews
Search British Airways flights
Aer LingusPriceFrom $503Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
SWISSPriceFrom $506Free CancellationRating
7.5
1,821 reviews
Search SWISS flights
Air CanadaPriceFrom $510Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom $517Free CancellationRating
7.2
2,098 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $544Free CancellationRating
7.9
8,018 reviews
Search Delta flights
LufthansaPriceFrom $568Free CancellationRating
6.8
7,657 reviews
Search Lufthansa flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,116 reviews
Search United Airlines 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
Mon 1/26
Mon 2/2

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Popular cities in Ireland

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