Cheap flights from San Francisco to Ireland from $302

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 1/23. 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
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
9:15 pm - 1:50 pm
SNN
-
SFO
24h 35m1 stop
$567American Airlines
Mon, May 4 - Tue, May 12
American Airlines Logo
1:24 pm - 4:10 pm
SFO
-
SNN
18h 46m2 stops
American Airlines Logo
9:15 pm - 1:50 pm
SNN
-
SFO
24h 35m1 stop
$571American Airlines
Mon, May 4 - Tue, May 12
United Airlines Logo
10:35 pm - 10:15 am
SFO
-
SNN
27h 40m3 stops
United Airlines Logo
12:30 pm - 9:34 pm
SNN
-
SFO
17h 04m2 stops
$589United Airlines
Mon, May 4 - Tue, May 12
Scandinavian Airlines Logo
7:25 am - 11:50 am
SFO
-
DUB
20h 25m2 stops
Scandinavian Airlines Logo
8:00 pm - 2:40 pm
DUB
-
SFO
26h 40m2 stops
$594Scandinavian Airlines
Wed, Apr 8 - Sat, Apr 18
Scandinavian Airlines Logo
4:45 pm - 11:50 am
SFO
-
DUB
35h 05m1 stop
Scandinavian Airlines Logo
7:05 pm - 2:40 pm
DUB
-
SFO
27h 35m1 stop
$598Scandinavian Airlines
Mon, May 4 - Mon, May 11
British Airways Logo
5:30 pm - 3:05 pm
SFO
-
DUB
13h 35m1 stop
British Airways Logo
8:50 am - 6:45 pm
DUB
-
SFO
17h 55m1 stop
$613British Airways
Sun, Feb 15 - Tue, Feb 24
United Airlines Logo
7:15 am - 10:15 am
SFO
-
SNN
19h 00m2 stops
United Airlines Logo
12:30 pm - 7:30 pm
SNN
-
SFO
15h 00m1 stop
$631United Airlines
Thu, Apr 30 - Thu, May 14
Delta Logo
9:35 pm - 12:55 pm
SFO
-
ORK
31h 20m2 stops
Delta Logo
1:25 pm - 11:50 am
ORK
-
SFO
30h 25m1 stop
$649Delta
Sun, Jan 11 - Tue, Jan 27
Delta Logo
10:55 pm - 12:55 pm
SFO
-
ORK
30h 00m2 stops
Delta Logo
6:00 am - 5:43 pm
ORK
-
SFO
19h 43m2 stops
$655Delta
Sun, Jan 11 - Tue, Jan 27
British Airways Logo
8:40 pm - 2:00 pm
SFO
-
CFN
33h 20m2 stops
British Airways Logo
7:55 am - 3:00 pm
CFN
-
SFO
39h 05m2 stops
$1,159British Airways
Sun, Feb 1 - Thu, Feb 5

Aer Lingus flights from San Francisco to Ireland

Our best Aer Lingus deals on San Francisco to Ireland flight tickets
Aer Lingus
Jan 16
SFO5:20 pmSan Francisco
10h 05m
DUB11:25 amDublin
Jan 23
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco
Aer Lingus
Jan 9
SFO5:20 pmSan Francisco
10h 05m
DUB11:25 amDublin
Jan 16
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco
Aer Lingus
Dec 14
SFO6:00 amSan Francisco
15h 10m
1 stop
DUB5:10 amDublin
Dec 23
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco

Air Canada flights from San Francisco to Ireland

Our best Air Canada deals on San Francisco to Ireland flight tickets
Air Canada
Mar 3
SFO8:53 amSan Francisco
14h 17m
1 stop
DUB7:10 amDublin
May 5
DUB9:50 amDublin
35h 38m
2 stops
SFO1:28 pmSan Francisco
Air Canada
Dec 23
SFO8:50 pmSan Francisco
50h 20m
2 stops
DUB7:10 amDublin
Jan 9
DUB9:00 amDublin
44h 22m
2 stops
SFO9:22 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 9, 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-4:10 pm

1 stop15h 35m

Shannon

Tue 5/12

9:15 pm-1:50 pm

1 stop24h 35m

$567

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 5/4

1:24 pm-4:10 pm

2 stops18h 46m

Shannon

Tue 5/12

9:15 pm-1:50 pm

1 stop24h 35m

$571

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 5/4

10:35 pm-10:15 am

3 stops27h 40m

Shannon

Tue 5/12

12:30 pm-9:34 pm

2 stops17h 04m

$589

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 4/8

7:25 am-11:50 am

2 stops20h 25m

Dublin

Sat 4/18

8:00 pm-2:40 pm

2 stops26h 40m

$594

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 5/4

4:45 pm-11:50 am

1 stop35h 05m

Dublin

Mon 5/11

7:05 pm-2:40 pm

1 stop27h 35m

$598

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sun 2/15

5:30 pm-3:05 pm

1 stop13h 35m

Dublin

Tue 2/24

8:50 am-6:45 pm

1 stop17h 55m

$613

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 4/30

7:15 am-10:15 am

2 stops19h 00m

Shannon

Thu 5/14

12:30 pm-7:30 pm

1 stop15h 00m

$631

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Sun 1/11

9:35 pm-12:55 pm

2 stops31h 20m

Cork

Tue 1/27

1:25 pm-11:50 am

1 stop30h 25m

$649

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Sun 1/11

10:55 pm-12:55 pm

2 stops30h 00m

Cork

Tue 1/27

6:00 am-5:43 pm

2 stops19h 43m

$655

San FranciscoDonegal

SFO - CFN

SFOCFN

San Francisco

Sun 2/1

8:40 pm-2:00 pm

2 stops33h 20m

Donegal

Thu 2/5

7:55 am-3:00 pm

2 stops39h 05m

$1,159

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 $672.

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 $764. 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 $768 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 $674 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

$445

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 $445. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $734.
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
1,602 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $471Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
SWISSPriceFrom $506Free CancellationRating
7.5
1,807 reviews
Search SWISS flights
Aer LingusPriceFrom $506Free CancellationRating
7.2
1,389 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $508Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
Air CanadaPriceFrom $510Free CancellationRating
7.1
10,514 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom $517Free CancellationRating
7.1
2,085 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $544Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $574Free CancellationRating
7.4
9,089 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
Thu 1/8
Thu 1/15

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Popular cities in Ireland

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