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Cheap flights from San Francisco to Ireland from $281

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 12/5. 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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Find the cheapest flights from San Francisco to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
1:55 pm - 4:45 pmSFO-ORK
18h 50m1 stop
KLM Logo
5:15 pm - 11:50 amORK-SFO
26h 35m1 stop
$549KLM
Find Deal
Wed, Dec 3 - Tue, Dec 9
Delta Logo
10:40 am - 4:45 pmSFO-ORK
22h 05m2 stops
Delta Logo
5:15 pm - 11:50 amORK-SFO
26h 35m1 stop
$553Delta
Find Deal
Wed, Dec 3 - Tue, Dec 9
Aer Lingus Logo
5:20 pm - 11:25 amSFO-DUB
10h 05mnonstop
Aer Lingus Logo
12:30 pm - 3:35 pmDUB-SFO
11h 05mnonstop
$588Aer Lingus
Find Deal
Fri, Jan 9 - Fri, Jan 16
American Airlines Logo
5:30 pm - 4:45 pmSFO-SNN
15h 15m1 stop
American Airlines Logo
7:50 am - 3:00 pmSNN-SFO
15h 10m1 stop
$588American Airlines
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Wed, Jan 7 - Mon, Jan 12
American Airlines Logo
5:30 pm - 7:25 pmSFO-ORK
17h 55m1 stop
American Airlines Logo
7:40 am - 3:00 pmORK-SFO
15h 20m1 stop
$589American Airlines
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Fri, Jan 9 - Wed, Jan 14
United Airlines Logo
8:30 am - 7:10 amSFO-DUB
14h 40m1 stop
United Airlines Logo
10:40 am - 5:36 pmDUB-SFO
14h 56m1 stop
$604United Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
United Airlines Logo
6:50 pm - 8:10 amSFO-DUB
29h 20m1 stop
United Airlines Logo
9:00 am - 1:29 pmDUB-SFO
36h 29m2 stops
$605United Airlines
Find Deal
Sat, Dec 27 - Sun, Jan 11
Aer Lingus Logo
5:30 pm - 3:40 pmSFO-DUB
14h 10m1 stop
Aer Lingus Logo
12:30 pm - 3:35 pmDUB-SFO
11h 05mnonstop
$623Aer Lingus
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Wed, Feb 4 - Fri, Feb 13
British Airways Logo
5:30 pm - 7:25 pmSFO-SNN
17h 55m1 stop
British Airways Logo
5:30 pm - 3:00 pmSNN-SFO
29h 30m1 stop
$740British Airways
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Wed, Dec 10 - Mon, Jan 12
British Airways Logo
10:16 am - 4:45 pmSFO-SNN
22h 29m2 stops
British Airways Logo
5:30 pm - 3:00 pmSNN-SFO
29h 30m1 stop
$744British Airways
Find Deal
Wed, Dec 10 - Mon, Jan 12

Aer Lingus flights from San Francisco to Ireland

Our best Aer Lingus deals on San Francisco to Ireland flight tickets
Aer Lingus
Jan 9
SFO5:20 pmSan Francisco
10h 05m
DUB11:25 amDublin
Jan 16
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco
$588
Find similar
Aer Lingus
Feb 4
SFO5:30 pmSan Francisco
14h 10m
1 stop
DUB3:40 pmDublin
Feb 13
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco
$623
Find similar
Aer Lingus
Feb 18
SFO8:40 pmSan Francisco
14h 25m
1 stop
DUB7:05 pmDublin
Feb 25
DUB12:30 pmDublin
11h 05m
SFO3:35 pmSan Francisco
$629
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Air Canada flights from San Francisco to Ireland

Our best Air Canada deals on San Francisco to Ireland flight tickets
Air Canada
Nov 30
SFO8:30 amSan Francisco
14h 40m
1 stop
DUB7:10 amDublin
Dec 7
DUB9:00 amDublin
33h 54m
1 stop
SFO10:54 amSan Francisco
$589
Find similar
Air Canada
Nov 16
SFO6:00 amSan Francisco
17h 10m
2 stops
DUB7:10 amDublin
Nov 23
DUB9:00 amDublin
20h 19m
2 stops
SFO9:19 pmSan Francisco
$604
Find similar
Air Canada
Dec 12
SFO4:15 pmSan Francisco
30h 55m
1 stop
DUB7:10 amDublin
Jan 10
DUB9:00 amDublin
33h 34m
2 stops
SFO10:34 amSan Francisco
$639
Find similar

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 November 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 FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 12/3

1:55 pm-4:45 pm

1 stop18h 50m

Cork

Tue 12/9

5:15 pm-11:50 am

1 stop26h 35m

$549

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 12/3

10:40 am-4:45 pm

2 stops22h 05m

Cork

Tue 12/9

5:15 pm-11:50 am

1 stop26h 35m

$553

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Fri 1/9

5:20 pm-11:25 am

Nonstop10h 05m

Dublin

Fri 1/16

12:30 pm-3:35 pm

Nonstop11h 05m

$588

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 1/7

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

Mon 1/12

7:50 am-3:00 pm

1 stop15h 10m

$588

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Fri 1/9

5:30 pm-7:25 pm

1 stop17h 55m

Cork

Wed 1/14

7:40 am-3:00 pm

1 stop15h 20m

$589

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Fri 1/16

8:30 am-7:10 am

1 stop14h 40m

Dublin

Tue 1/20

10:40 am-5:36 pm

1 stop14h 56m

$604

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 12/27

6:50 pm-8:10 am

1 stop29h 20m

Dublin

Sun 1/11

9:00 am-1:29 pm

2 stops36h 29m

$605

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 2/4

5:30 pm-3:40 pm

1 stop14h 10m

Dublin

Fri 2/13

12:30 pm-3:35 pm

Nonstop11h 05m

$623

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 12/10

5:30 pm-7:25 pm

1 stop17h 55m

Shannon

Mon 1/12

5:30 pm-3:00 pm

1 stop29h 30m

$740

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 12/10

10:16 am-4:45 pm

2 stops22h 29m

Shannon

Mon 1/12

5:30 pm-3:00 pm

1 stop29h 30m

$744

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 $616. 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 $646.

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 $757. 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 $861. 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 $712. 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 $764 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 $678 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 5% 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

$462

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 $462. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $699.
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)
Search flight deals

  • 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
1,568 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $495Free CancellationRating
6.7
7,506 reviews
Search British Airways flights
Aer LingusPriceFrom $497Free CancellationRating
7.2
1,366 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $510Free CancellationRating
7.1
10,428 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom $517Free CancellationRating
7.1
2,057 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $533Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SWISSPriceFrom $539Free CancellationRating
7.5
1,781 reviews
Search SWISS flights
DeltaPriceFrom $544Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
9,010 reviews
Search United Airlines flights
Air FrancePriceFrom $578Free CancellationRating
7.4
1,486 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.

An easier way to manage your Ireland trip

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