Cheap flights from Ireland to San Francisco from €310

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 4/12. 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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Find the cheapest flights from Ireland to San Francisco

Recent return flight deals from Ireland to San Francisco

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
Multiple Airlines Logo
21:16 - 04:15SFO-DUB
22h 59m1 stop
€483Multiple Airlines
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Iberia Logo
13:30 - 16:35DUB-SFO
11h 05mdirect
Iberia Logo
06:00 - 07:10SFO-DUB
17h 10m1 stop
€484Iberia
Find Deal
Sun, 2 Nov - Sat, 15 Nov
Iberia Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
Iberia Logo
10:16 - 07:10SFO-DUB
12h 54m1 stop
€485Iberia
Find Deal
Wed, 5 Nov - Sat, 15 Nov
Aer Lingus Logo
13:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
18:30 - 15:40SFO-DUB
14h 10m1 stop
€485Aer Lingus
Find Deal
Sun, 9 Nov - Wed, 25 Mar
Aer Lingus Logo
12:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
19:20 - 18:15SFO-DUB
14h 55m1 stop
€486Aer Lingus
Find Deal
Fri, 20 Mar - Mon, 30 Mar
United Airlines Logo
12:05 - 07:35DUB-SFO
27h 30m2 stops
United Airlines Logo
07:00 - 07:30SFO-DUB
16h 30m2 stops
€510United Airlines
Find Deal
Sun, 2 Nov - Fri, 14 Nov
American Airlines Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
American Airlines Logo
18:30 - 15:40SFO-DUB
14h 10m1 stop
€533American Airlines
Find Deal
Wed, 4 Mar - Sun, 8 Mar
American Airlines Logo
07:50 - 18:45SNN-SFO
18h 55m1 stop
American Airlines Logo
18:30 - 16:45SFO-SNN
15h 15m1 stop
€534American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
20:05 - 15:00SNN-SFO
26h 55m1 stop
British Airways Logo
17:00 - 19:25SFO-SNN
18h 25m2 stops
€539British Airways
Find Deal
Fri, 9 Jan - Tue, 20 Jan
British Airways Logo
07:50 - 20:34SNN-SFO
20h 44m2 stops
British Airways Logo
15:30 - 16:45SFO-SNN
17h 15m2 stops
€542British Airways
Find Deal
Mon, 17 Nov - Mon, 24 Nov

United Airlines flights from Ireland to San Francisco

Our best United Airlines deals on Ireland to San Francisco flight tickets
United Airlines
2 Nov
DUB12:05Dublin
27h 30m
2 stops
SFO07:35San Francisco
14 Nov
SFO07:00San Francisco
16h 30m
2 stops
DUB07:30Dublin
United Airlines
3 Nov
DUB12:05Dublin
17h 00m
1 stop
SFO21:05San Francisco
23 Mar
SFO11:55San Francisco
15h 00m
1 stop
DUB09:55Dublin
United Airlines
3 Nov
DUB09:30Dublin
19h 35m
2 stops
SFO21:05San Francisco
7 Jul
SFO11:40San Francisco
12h 05m
1 stop
DUB07:45Dublin

British Airways flights from Ireland to San Francisco

Our best British Airways deals on Ireland to San Francisco flight tickets
British Airways
9 Jan
SNN20:05Shannon
26h 55m
1 stop
SFO15:00San Francisco
20 Jan
SFO17:00San Francisco
18h 25m
2 stops
SNN19:25Shannon
British Airways
17 Nov
SNN07:50Shannon
20h 44m
2 stops
SFO20:34San Francisco
24 Nov
SFO15:30San Francisco
17h 15m
2 stops
SNN16:45Shannon
British Airways
9 Jan
SNN07:50Shannon
24h 57m
2 stops
SFO00:47San Francisco
19 Jan
SFO00:17San Francisco
22h 03m
2 stops
SNN06:20Shannon

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 22 October 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

Wed 3/12

12:30-15:35

Nonstop11h 05m

San Francisco

Sun 7/12

21:16-04:15

1 stop22h 59m

€483

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 2/11

13:30-16:35

Nonstop11h 05m

San Francisco

Sat 15/11

06:00-07:10

1 stop17h 10m

€484

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 5/11

12:30-15:35

Nonstop11h 05m

San Francisco

Sat 15/11

10:16-07:10

1 stop12h 54m

€485

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 9/11

13:30-16:35

Nonstop11h 05m

San Francisco

Wed 25/3

18:30-15:40

1 stop14h 10m

€485

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 20/3

12:30-16:35

Nonstop11h 05m

San Francisco

Mon 30/3

19:20-18:15

1 stop14h 55m

€486

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 2/11

12:05-07:35

2 stops27h 30m

San Francisco

Fri 14/11

07:00-07:30

2 stops16h 30m

€510

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 4/3

12:30-15:35

Nonstop11h 05m

San Francisco

Sun 8/3

18:30-15:40

1 stop14h 10m

€533

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Thu 5/3

07:50-18:45

1 stop18h 55m

San Francisco

Mon 9/3

18:30-16:45

1 stop15h 15m

€534

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 9/1

20:05-15:00

1 stop26h 55m

San Francisco

Tue 20/1

17:00-19:25

2 stops18h 25m

€539

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Mon 17/11

07:50-20:34

2 stops20h 44m

San Francisco

Mon 24/11

15:30-16:45

2 stops17h 15m

€542

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 €484, 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 €516.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as €580. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 €671.

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 €527. 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 €950 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 €608 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 €548 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 38% 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

€618

Fastest flight time

10h 55m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in San Francisco

1 airport
The best flight deal from Ireland to San Francisco found on momondo in the last 72 hours is €618
The fastest flight from Ireland to San Francisco takes 10h 55m
Direct flights go from Ireland to San Francisco on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near San Francisco: San Francisco (SFO)
  • 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 €298Free CancellationRating
7.9
7,979 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €334Free CancellationRating
7.4
1,535 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom €396Free CancellationRating
6.7
7,467 reviews
Search British Airways flights
Aer LingusPriceFrom €463Free CancellationRating
7.2
1,350 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €529Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
American AirlinesPriceFrom €533Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
Air CanadaPriceFrom €591Free CancellationRating
7.1
10,342 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.

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1 adult
Fri 21/11
Fri 28/11

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