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Cheap flights from San Francisco to Ireland from $183

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 10/22. 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

Air Canada Logo
6:00 pm - 7:10 amSFO-DUB
53h 10m2 stops
Air Canada Logo
9:00 am - 10:39 amDUB-SFO
33h 39m2 stops
$509Air Canada
Find Deal
dom., nov. 2 - mié., nov. 19
Air Canada Logo
11:44 pm - 7:10 amSFO-DUB
23h 26m2 stops
Air Canada Logo
9:00 am - 8:34 pmDUB-SFO
19h 34m2 stops
$511Air Canada
Find Deal
sáb., nov. 8 - mié., nov. 19
United Airlines Logo
11:20 am - 10:20 amSFO-DUB
15h 00m1 stop
United Airlines Logo
9:30 am - 7:38 pmDUB-SFO
17h 08m1 stop
$512United Airlines
Find Deal
mié., mar. 4 - jue., mar. 12
United Airlines Logo
7:00 am - 9:45 amSFO-DUB
18h 45m1 stop
United Airlines Logo
1:35 pm - 10:22 amDUB-SFO
28h 47m1 stop
$514United Airlines
Find Deal
dom., oct. 19 - mar., nov. 4
American Airlines Logo
4:30 pm - 4:10 pmSFO-SNN
15h 40m1 stop
American Airlines Logo
7:50 am - 3:00 pmSNN-SFO
15h 10m1 stop
$515American Airlines
Find Deal
dom., oct. 19 - mar., nov. 4
British Airways Logo
5:30 pm - 5:05 pmSFO-DUB
15h 35m1 stop
British Airways Logo
8:40 pm - 3:00 pmDUB-SFO
26h 20m1 stop
$516British Airways
Find Deal
lun., dic. 1 - lun., dic. 8
American Airlines Logo
10:20 am - 11:20 amSFO-SNN
17h 00m2 stops
American Airlines Logo
7:50 am - 3:00 pmSNN-SFO
15h 10m1 stop
$520American Airlines
Find Deal
dom., oct. 19 - mar., nov. 4
Aer Lingus Logo
5:20 pm - 11:25 amSFO-DUB
10h 05mnonstop
Aer Lingus Logo
12:30 pm - 3:35 pmDUB-SFO
11h 05mnonstop
$530Aer Lingus
Find Deal
mié., nov. 19 - mié., nov. 26
Aer Lingus Logo
5:20 pm - 11:25 amSFO-DUB
10h 05mnonstop
Aer Lingus Logo
1:30 pm - 4:35 pmDUB-SFO
11h 05mnonstop
$548Aer Lingus
Find Deal
mié., nov. 12 - dom., nov. 16
British Airways Logo
5:30 pm - 3:25 pmSFO-ORK
13h 55m1 stop
British Airways Logo
5:35 pm - 9:58 pmORK-SFO
36h 23m2 stops
$787British Airways
Find Deal
lun., ene. 5 - dom., ene. 11

British Airways flights from San Francisco to Ireland

Our best British Airways deals on San Francisco to Ireland flight tickets
British Airways
Dec 1
SFO5:30 pmSan Francisco
15h 35m
1 stop
DUB5:05 pmDublin
Dec 8
DUB8:40 pmDublin
26h 20m
1 stop
SFO3:00 pmSan Francisco
$516
Find similar
British Airways
Sep 24
SFO7:20 pmSan Francisco
14h 40m
1 stop
DUB6:00 pmDublin
Oct 6
DUB8:55 pmDublin
24h 55m
1 stop
SFO1:50 pmSan Francisco
$772
Find similar
British Airways
Jan 5
SFO5:30 pmSan Francisco
13h 55m
1 stop
ORK3:25 pmCork
Jan 11
ORK5:35 pmCork
36h 23m
2 stops
SFO9:58 pmSan Francisco
$787
Find similar

Lufthansa flights from San Francisco to Ireland

Our best Lufthansa deals on San Francisco to Ireland flight tickets
Lufthansa
Nov 19
SFO7:00 amSan Francisco
18h 55m
1 stop
DUB9:55 amDublin
Dec 2
DUB11:45 amDublin
32h 55m
1 stop
SFO12:40 pmSan Francisco
$546
Find similar
Lufthansa
Nov 2
SFO2:40 pmSan Francisco
24h 05m
1 stop
DUB10:45 pmDublin
Nov 17
DUB5:20 pmDublin
27h 20m
1 stop
SFO12:40 pmSan Francisco
$560
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 septiembre 17, 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 FranciscoDublin

SFO - DUB

SFODUB

San Francisco

dom. 11/2

6:00 pm-7:10 am

2 stops53h 10m

Dublin

mié. 11/19

9:00 am-10:39 am

2 stops33h 39m

$509

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

sáb. 11/8

11:44 pm-7:10 am

2 stops23h 26m

Dublin

mié. 11/19

9:00 am-8:34 pm

2 stops19h 34m

$511

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mié. 3/4

11:20 am-10:20 am

1 stop15h 00m

Dublin

jue. 3/12

9:30 am-7:38 pm

1 stop17h 08m

$512

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

dom. 10/19

7:00 am-9:45 am

1 stop18h 45m

Dublin

mar. 11/4

1:35 pm-10:22 am

1 stop28h 47m

$514

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

dom. 10/19

4:30 pm-4:10 pm

1 stop15h 40m

Shannon

mar. 11/4

7:50 am-3:00 pm

1 stop15h 10m

$515

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

lun. 12/1

5:30 pm-5:05 pm

1 stop15h 35m

Dublin

lun. 12/8

8:40 pm-3:00 pm

1 stop26h 20m

$516

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

dom. 10/19

10:20 am-11:20 am

2 stops17h 00m

Shannon

mar. 11/4

7:50 am-3:00 pm

1 stop15h 10m

$520

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mié. 11/19

5:20 pm-11:25 am

Nonstop10h 05m

Dublin

mié. 11/26

12:30 pm-3:35 pm

Nonstop11h 05m

$530

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mié. 11/12

5:20 pm-11:25 am

Nonstop10h 05m

Dublin

dom. 11/16

1:30 pm-4:35 pm

Nonstop11h 05m

$548

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

lun. 1/5

5:30 pm-3:25 pm

1 stop13h 55m

Cork

dom. 1/11

5:35 pm-9:58 pm

2 stops36h 23m

$787

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 $630.

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 $756. 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 $854. 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 afternoon. momondo users have found flights departing from San Francisco to Ireland in the afternoon for as low as $804. 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 $756 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 $655 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 33% 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

$474

Fastest flight time

10h 05m

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 $474. The best round-trip flight deal from San Francisco to Ireland found on momondo in the last 72 hours is $666.
The fastest flight from San Francisco to Ireland takes 10h 05m
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
1,486 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $482Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $495Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Air CanadaPriceFrom $510Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom $517Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $520Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SWISSPriceFrom $539Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
American AirlinesPriceFrom $545Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air FrancePriceFrom $575Free CancellationRating
7.4
1,468 reviews
Search Air France flights
United AirlinesPriceFrom $576Free CancellationRating
7.4
8,926 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.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

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