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Cheap flights from Ireland to San Francisco from €436

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to San Francisco departing on 12/1. 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

Enter your travel dates to find the best prices.
Delta Logo
13:25 - 11:50DUB-SFO
30h 25m1 stop
Delta Logo
06:00 - 12:40SFO-DUB
22h 40m2 stops
€436Delta
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Mon, 12 Jan - Wed, 11 Feb
Delta Logo
05:55 - 21:44DUB-SFO
23h 49m2 stops
Delta Logo
08:28 - 15:45SFO-DUB
23h 17m2 stops
€437Delta
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Wed, 14 Jan - Wed, 28 Jan
United Airlines Logo
09:00 - 21:39DUB-SFO
20h 39m1 stop
United Airlines Logo
08:35 - 10:20SFO-DUB
18h 45m1 stop
€440United Airlines
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Sun, 1 Mar - Mon, 9 Mar
United Airlines Logo
09:00 - 19:44DUB-SFO
18h 44m2 stops
United Airlines Logo
16:55 - 08:10SFO-DUB
31h 15m1 stop
€442United Airlines
Find Deal
Fri, 9 Jan - Tue, 20 Jan
Aer Lingus Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
€443Aer Lingus
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Mon, 24 Nov - Tue, 6 Jan
British Airways Logo
08:50 - 15:00DUB-SFO
14h 10m1 stop
British Airways Logo
21:40 - 19:50SFO-DUB
15h 10m1 stop
€458British Airways
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Thu, 26 Feb - Thu, 12 Mar
British Airways Logo
08:55 - 16:00DUB-SFO
14h 05m1 stop
British Airways Logo
16:35 - 17:05SFO-DUB
16h 30m1 stop
€459British Airways
Find Deal
Sat, 21 Mar - Tue, 7 Apr
Aer Lingus Logo
12:30 - 15:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
18:20 - 11:25SFO-DUB
10h 05mdirect
€460Aer Lingus
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Sat, 28 Feb - Fri, 13 Mar
American Airlines Logo
11:30 - 22:33DUB-SFO
19h 03m2 stops
American Airlines Logo
12:10 - 14:10SFO-DUB
18h 00m2 stops
€460American Airlines
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Wed, 26 Nov - Thu, 11 Dec
American Airlines Logo
13:25 - 00:35DUB-SFO
19h 10m2 stops
American Airlines Logo
17:30 - 17:25SFO-DUB
15h 55m1 stop
€461American Airlines
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Tue, 25 Nov - Thu, 8 Jan

United Airlines flights from Ireland to San Francisco

Our best United Airlines deals on Ireland to San Francisco flight tickets
United Airlines
1 Mar
DUB09:00Dublin
20h 39m
1 stop
SFO21:39San Francisco
9 Mar
SFO08:35San Francisco
18h 45m
1 stop
DUB10:20Dublin
€440
Find similar
United Airlines
9 Jan
DUB09:00Dublin
18h 44m
2 stops
SFO19:44San Francisco
20 Jan
SFO16:55San Francisco
31h 15m
1 stop
DUB08:10Dublin
€442
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United Airlines
28 Feb
DUB09:00Dublin
17h 58m
2 stops
SFO18:58San Francisco
10 Mar
SFO12:30San Francisco
12h 40m
1 stop
DUB08:10Dublin
€444
Find similar

Aer Lingus flights from Ireland to San Francisco

Our best Aer Lingus deals on Ireland to San Francisco flight tickets
Aer Lingus
15 Nov
DUB12:30Dublin
11h 05m
SFO15:35San Francisco
28 Nov
SFO17:20San Francisco
10h 05m
DUB11:25Dublin
€441
Find similar
Aer Lingus
24 Nov
DUB12:30Dublin
11h 05m
SFO15:35San Francisco
6 Jan
SFO17:20San Francisco
10h 05m
DUB11:25Dublin
€443
Find similar
Aer Lingus
9 Nov
DUB13:30Dublin
11h 05m
SFO16:35San Francisco
16 Nov
SFO18:20San Francisco
10h 05m
DUB12:25Dublin
€450
Find similar

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 8 November 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

Mon 12/1

13:25-11:50

1 stop30h 25m

San Francisco

Wed 11/2

06:00-12:40

2 stops22h 40m

€436

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 14/1

05:55-21:44

2 stops23h 49m

San Francisco

Wed 28/1

08:28-15:45

2 stops23h 17m

€437

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 1/3

09:00-21:39

1 stop20h 39m

San Francisco

Mon 9/3

08:35-10:20

1 stop18h 45m

€440

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 9/1

09:00-19:44

2 stops18h 44m

San Francisco

Tue 20/1

16:55-08:10

1 stop31h 15m

€442

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 24/11

12:30-15:35

Nonstop11h 05m

San Francisco

Tue 6/1

17:20-11:25

Nonstop10h 05m

€443

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 26/2

08:50-15:00

1 stop14h 10m

San Francisco

Thu 12/3

21:40-19:50

1 stop15h 10m

€458

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 21/3

08:55-16:00

1 stop14h 05m

San Francisco

Tue 7/4

16:35-17:05

1 stop16h 30m

€459

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 28/2

12:30-15:35

Nonstop11h 05m

San Francisco

Fri 13/3

18:20-11:25

Nonstop10h 05m

€460

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 26/11

11:30-22:33

2 stops19h 03m

San Francisco

Thu 11/12

12:10-14:10

2 stops18h 00m

€460

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 25/11

13:25-00:35

2 stops19h 10m

San Francisco

Thu 8/1

17:30-17:25

1 stop15h 55m

€461

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 €486, 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 €510.

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 €583. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday 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 €682.

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 €530. 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 €955 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 €549 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?

No. A direct flight is the cheapest option for a flight between Ireland to San Francisco.

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

€507

Fastest flight time

10h 55m

Direct flights

Every day

Airports in San Francisco

1 airport
The best flight deal from Ireland to San Francisco found on momondo in the last 72 hours is €507
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)
Search flight deals

  • 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 €300Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €369Free CancellationRating
7.4
1,567 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom €398Free CancellationRating
6.7
7,501 reviews
Search British Airways flights
Aer LingusPriceFrom €441Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €532Free CancellationRating
7.4
9,009 reviews
Search United Airlines flights
American AirlinesPriceFrom €536Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
Air CanadaPriceFrom €594Free CancellationRating
7.1
10,421 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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