What is the cheapest airline that flies from Ireland to San Francisco?

LEVEL, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Ireland to San Francisco

How many flights depart from Ireland to San Francisco on average per day?

As of August 2025, 2 flights take off from Ireland and land in San Francisco each day. The most common flight departure time for this route is 13:00, with 100% of daily flights taking off in the afternoon.

How many flights depart from Ireland to San Francisco on average per week?

As of August 2025, there are 18 flights per week flying from Ireland to San Francisco. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Which airlines fly to San Francisco?

Aer Lingus, British Airways and United Airlines are the top three most popular airlines that fly to San Francisco from Ireland according to our data. Aer Lingus is the first choice among our users, with 65% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 9 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ireland to San Francisco Airport?

Prices for flights from Ireland to San Francisco Airport are updated daily.

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

As of August 2025, there are 9 operators available to choose from 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£251 Cheap Flights from Ireland to San Francisco in 2025

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Find the cheapest flights from Ireland to San Francisco

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Recent return flight deals from Ireland to San Francisco

18:50 - 14:35DUB-SFO

27h 45m1 stop

18:45 - 23:55SFO-DUB

21h 10m1 stop

£339TAP AIR PORTUGAL

Find Deal

Tue, 9 Sep - Tue, 16 Sep

18:50 - 14:35DUB-SFO

27h 45m1 stop

18:45 - 23:55SFO-DUB

21h 10m1 stop

£342TAP AIR PORTUGAL

Find Deal

Tue, 9 Sep - Tue, 16 Sep

04:25 - 16:05DUB-SFO

19h 40m1 stop

16:35 - 23:20SFO-DUB

22h 45m1 stop

£342TAP AIR PORTUGAL

Find Deal

Thu, 6 Nov - Wed, 19 Nov

19:05 - 14:35DUB-SFO

27h 30m1 stop

16:40 - 18:20SFO-DUB

17h 40m1 stop

£343Scandinavian Airlines

Find Deal

Sun, 9 Nov - Mon, 17 Nov

04:25 - 16:05DUB-SFO

19h 40m1 stop

16:35 - 23:20SFO-DUB

22h 45m1 stop

£344TAP AIR PORTUGAL

Find Deal

Thu, 6 Nov - Wed, 19 Nov

18:50 - 14:35DUB-SFO

27h 45m1 stop

18:45 - 23:55SFO-DUB

21h 10m2 stops

£347TAP AIR PORTUGAL

Find Deal

Tue, 9 Sep - Tue, 16 Sep

19:05 - 14:35DUB-SFO

27h 30m1 stop

16:40 - 19:35SFO-DUB

18h 55m2 stops

£348Scandinavian Airlines

Find Deal

Sun, 9 Nov - Sun, 16 Nov

09:20 - 15:28DUB-SFO

14h 08m1 stop

08:30 - 07:45SFO-DUB

15h 15m1 stop

£423Air Canada

Find Deal

Sat, 6 Sep - Mon, 22 Sep

05:55 - 11:50DUB-SFO

13h 55m1 stop

15:50 - 15:45SFO-DUB

15h 55m1 stop

£424

Find Deal

Tue, 11 Nov - Mon, 17 Nov

10:20 - 18:45DUB-SFO

16h 25m1 stop

20:40 - 19:45SFO-DUB

15h 05m1 stop

£425British Airways

Find Deal

Wed, 24 Dec - Wed, 31 Dec

Air Canada flights from Ireland to San Francisco

Our best Air Canada deals on Ireland to San Francisco flight tickets

Air Canada

6 Sept

DUB09:20Dublin

14h 08m

1 stop

SFO15:28San Francisco

22 Sept

SFO08:30San Francisco

15h 15m

1 stop

DUB07:45Dublin

£423

Find similar

Air Canada

8 Aug

DUB09:20Dublin

30h 01m

2 stops

SFO07:21San Francisco

23 Aug

SFO20:52San Francisco

26h 53m

2 stops

DUB07:45Dublin

£634

Find similar

Air Canada

7 Aug

DUB09:50Dublin

32h 48m

1 stop

SFO10:38San Francisco

27 Aug

SFO08:30San Francisco

15h 15m

1 stop

DUB07:45Dublin

£635

Find similar

Delta flights from Ireland to San Francisco

Our best Delta deals on Ireland to San Francisco flight tickets

Delta

26 Nov

DUB05:55Dublin

13h 55m

1 stop

SFO11:50San Francisco

3 Dec

SFO10:31San Francisco

21h 14m

2 stops

DUB15:45Dublin

£426

Find similar

Delta

2 Oct

DUB05:55Dublin

13h 50m

1 stop

SFO11:45San Francisco

29 Oct

SFO10:30San Francisco

22h 15m

2 stops

DUB15:45Dublin

£427

Find similar

Delta

17 Sept

DUB05:55Dublin

13h 50m

1 stop

SFO11:45San Francisco

22 Sept

SFO07:05San Francisco

17h 10m

2 stops

DUB08:15Dublin

£428

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 9/9

18:50-14:35

1 stop27h 45m

San Francisco

Tue 16/9

18:45-23:55

1 stop21h 10m

£339

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 9/9

18:50-14:35

1 stop27h 45m

San Francisco

Tue 16/9

18:45-23:55

1 stop21h 10m

£342

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 6/11

04:25-16:05

1 stop19h 40m

San Francisco

Wed 19/11

16:35-23:20

1 stop22h 45m

£342

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 9/11

19:05-14:35

1 stop27h 30m

San Francisco

Mon 17/11

16:40-18:20

1 stop17h 40m

£343

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 6/11

04:25-16:05

1 stop19h 40m

San Francisco

Wed 19/11

16:35-23:20

1 stop22h 45m

£344

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 9/9

18:50-14:35

1 stop27h 45m

San Francisco

Tue 16/9

18:45-23:55

2 stops21h 10m

£347

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 9/11

19:05-14:35

1 stop27h 30m

San Francisco

Sun 16/11

16:40-19:35

2 stops18h 55m

£348

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 6/9

09:20-15:28

1 stop14h 08m

San Francisco

Mon 22/9

08:30-07:45

1 stop15h 15m

£423

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 11/11

05:55-11:50

1 stop13h 55m

San Francisco

Mon 17/11

15:50-15:45

1 stop15h 55m

£424

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 24/12

10:20-18:45

1 stop16h 25m

San Francisco

Wed 31/12

20:40-19:45

1 stop15h 05m

£425

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to San Francisco?

The month of February is, on average, the cheapest month to fly to San Francisco from Ireland, with most prices found around £437. If you are unable to visit San Francisco during the month of February, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around £452.

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

The cheapest day to depart on your flight to San Francisco is on a Tuesday when prices can be found for as low as £473. This is often the case because there is less demand to fly during this day of the week. Flights from Ireland to San Francisco on a Wednesday will generally be more expensive and average around £666. 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 San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from Ireland to San Francisco during this time can be as low as £430. Try not to purchase tickets in the afternoon because they tend to be around £732. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £533 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 £463 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 11% 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	£251
Fastest flight time	10h 55m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Ireland in the past 72 hours is £251. The best return flight deal from Ireland to San Francisco found on momondo in the last 72 hours is £339.

The fastest flight from Ireland to San Francisco takes 10h 55m

Direct flights go from Ireland to San Francisco on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus, American Airlines and British Airways.

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 are updated daily.
How many operators does momondo search for flights from Ireland to San Francisco Airport?
As of August 2025, there are 9 operators available to choose from 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to San Francisco is Airbus A330-300 (55.88% of total bookings). The next most popular plane models are Airbus A330 (29.41%), Airbus A220-300 (7.45%), and Airbus A330-200 (2.75%).

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
Scandinavian Airlines	PriceFrom £299	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom £331	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
British Airways	PriceFrom £336	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Aer Lingus	PriceFrom £346	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom £408	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights
United Airlines	PriceFrom £418	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Air France	PriceFrom £422	Free Cancellation	Rating 7.5 1,465 reviews	Search Air France flights
American Airlines	PriceFrom £446	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air Canada	PriceFrom £518	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights

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Why use momondo?

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

Finding the right flight to San Francisco from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to San Francisco from Ireland with this policy.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.