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Cheap flights from Ireland to San Francisco from €343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to San Francisco departing on 10/2. 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 Ireland to San Francisco

Recent return flight deals from Ireland to San Francisco

TAP AIR PORTUGAL Logo
04:25 - 14:35DUB-SFO
18h 10m1 stop
TAP AIR PORTUGAL Logo
16:35 - 23:20SFO-DUB
22h 45m1 stop
€457TAP AIR PORTUGAL
Find Deal
Sun, 23 Nov - Wed, 3 Dec
Lufthansa Logo
09:00 - 16:00DUB-SFO
15h 00m1 stop
Lufthansa Logo
07:00 - 07:20SFO-DUB
16h 20m1 stop
€460Lufthansa
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Aer Lingus Logo
12:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
€481Aer Lingus
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Fri, 31 Oct - Fri, 7 Nov
British Airways Logo
08:50 - 15:00DUB-SFO
14h 10m1 stop
British Airways Logo
20:40 - 19:40SFO-DUB
15h 00m1 stop
€483British Airways
Find Deal
Fri, 19 Dec - Sun, 4 Jan
British Airways Logo
20:40 - 15:00DUB-SFO
26h 20m1 stop
British Airways Logo
17:30 - 15:20SFO-DUB
13h 50m1 stop
€484British Airways
Find Deal
Wed, 17 Dec - Mon, 5 Jan
Aer Lingus Logo
12:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
€486Aer Lingus
Find Deal
Fri, 31 Oct - Fri, 14 Nov
American Airlines Logo
12:40 - 23:29DUB-SFO
18h 49m1 stop
American Airlines Logo
16:30 - 13:45SFO-DUB
13h 15m1 stop
€492American Airlines
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Wed, 15 Oct - Sat, 25 Oct
United Airlines Logo
09:20 - 15:28DUB-SFO
14h 08m1 stop
United Airlines Logo
09:20 - 08:30SFO-DUB
15h 10m1 stop
€494United Airlines
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Wed, 15 Oct - Sat, 25 Oct
United Airlines Logo
12:30 - 20:08DUB-SFO
15h 38m1 stop
United Airlines Logo
23:44 - 08:10SFO-DUB
25h 26m1 stop
€508United Airlines
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Thu, 2 Oct - Wed, 29 Oct
American Airlines Logo
07:50 - 15:00SNN-SFO
15h 10m1 stop
American Airlines Logo
13:25 - 16:45SFO-SNN
20h 20m2 stops
€619American Airlines
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Thu, 5 Mar - Mon, 9 Mar

Lufthansa flights from Ireland to San Francisco

Our best Lufthansa deals on Ireland to San Francisco flight tickets
Lufthansa
15 Oct
DUB09:00Dublin
15h 00m
1 stop
SFO16:00San Francisco
22 Oct
SFO07:00San Francisco
16h 20m
1 stop
DUB07:20Dublin
€460
Find similar
Lufthansa
10 Oct
DUB13:35Dublin
14h 53m
1 stop
SFO20:28San Francisco
18 Oct
SFO13:02San Francisco
13h 18m
1 stop
DUB10:20Dublin
€476
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Lufthansa
24 Sept
DUB05:55Dublin
14h 45m
1 stop
SFO12:40San Francisco
8 Oct
SFO13:02San Francisco
13h 18m
1 stop
DUB10:20Dublin
€487
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Air Canada flights from Ireland to San Francisco

Our best Air Canada deals on Ireland to San Francisco flight tickets
Air Canada
15 Oct
DUB09:20Dublin
14h 08m
1 stop
SFO15:28San Francisco
22 Oct
SFO07:10San Francisco
17h 05m
2 stops
DUB08:15Dublin
€466
Find similar
Air Canada
26 Sept
DUB09:20Dublin
14h 08m
1 stop
SFO15:28San Francisco
9 Oct
SFO11:35San Francisco
12h 10m
1 stop
DUB07:45Dublin
€487
Find similar
Air Canada
24 Sept
DUB09:50Dublin
42h 01m
2 stops
SFO19:51San Francisco
17 Oct
SFO16:35San Francisco
31h 10m
1 stop
DUB07:45Dublin
€488
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momondo Fare Finder

 
Customise your flight search to find flights from Ireland to San Francisco 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 13,528 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Ireland to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 23/11

04:25-14:35

1 stop18h 10m

San Francisco

Wed 3/12

16:35-23:20

1 stop22h 45m

€457

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 15/10

09:00-16:00

1 stop15h 00m

San Francisco

Wed 22/10

07:00-07:20

1 stop16h 20m

€460

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 31/10

12:30-16:35

Nonstop11h 05m

San Francisco

Fri 7/11

17:20-11:25

Nonstop10h 05m

€481

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 19/12

08:50-15:00

1 stop14h 10m

San Francisco

Sun 4/1

20:40-19:40

1 stop15h 00m

€483

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 17/12

20:40-15:00

1 stop26h 20m

San Francisco

Mon 5/1

17:30-15:20

1 stop13h 50m

€484

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 31/10

12:30-16:35

Nonstop11h 05m

San Francisco

Fri 14/11

17:20-11:25

Nonstop10h 05m

€486

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 15/10

12:40-23:29

1 stop18h 49m

San Francisco

Sat 25/10

16:30-13:45

1 stop13h 15m

€492

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 15/10

09:20-15:28

1 stop14h 08m

San Francisco

Sat 25/10

09:20-08:30

1 stop15h 10m

€494

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 2/10

12:30-20:08

1 stop15h 38m

San Francisco

Wed 29/10

23:44-08:10

1 stop25h 26m

€508

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 5/3

07:50-15:00

1 stop15h 10m

San Francisco

Mon 9/3

13:25-16:45

2 stops20h 20m

€619

Flights are sorted by cheapest return flights first.

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

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

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 San Francisco?

The cheapest month to fly to San Francisco from Ireland is in February. Flight prices, which tend to average around €483, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to San Francisco from Ireland during November instead. Flights to San Francisco in November, while not as cheap as those in February, still average around €496.

What is the cheapest day to depart on your flight to San Francisco?

On average, the least expensive day to fly to San Francisco from Ireland is on a Monday. momondo users have found tickets for Monday departures for as low as €561. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €674.

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

According to our data, the cheapest time of day to fly to San Francisco is in the evening. momondo users have found flights departing from Ireland to San Francisco in the evening for as low as €518. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €934 on average. Flights to San Francisco from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to San Francisco flight route?

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around €593 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Ireland for as low as €503 on momondo.

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

There are 2 cabin classes available to choose from on Ireland to San Francisco 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 Ireland to San Francisco flights?

You could potentially save up to 23% on your flight if you consider stops on a Ireland to San Francisco flight.

Cheap Ireland to San Francisco flight deals and tips

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

Best price found

€608

Fastest flight time

10h 55m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Ireland in the past 72 hours is €608. The best return flight deal from Ireland to San Francisco found on momondo in the last 72 hours is €498.
The fastest flight from Ireland to San Francisco takes 10h 55m
Direct flights go from Ireland to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
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  • When did momondo last update prices for flights from Ireland to San Francisco Airport?

    Prices for flights from Ireland to San Francisco Airport were last updated today.

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

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

    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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Ireland to San Francisco

Compare and see reviews for airlines that fly from Ireland to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom €293Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €328Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom €389Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
Aer LingusPriceFrom €459Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
KLMPriceFrom €473Free CancellationRating
7.8
1,386 reviews
Search KLM flights
United AirlinesPriceFrom €520Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom €524Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom €581Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Millbrae
Walnut Creek
Alameda
Menlo Park

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Ireland.

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

Yes. momondo allows you to filter the results for Ireland to San Francisco flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Ireland and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to San Francisco from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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