Cheap flights from Ireland to San Francisco from £399

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 15/10. 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

Lufthansa Logo
09:00 - 16:00DUB-SFO
15h 00m1 stop
Lufthansa Logo
07:00 - 07:20SFO-DUB
16h 20m1 stop
£399Lufthansa
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Scandinavian Airlines Logo
12:30 - 23:12DUB-SFO
42h 42m2 stops
Scandinavian Airlines Logo
16:40 - 18:20SFO-DUB
17h 40m1 stop
£400Scandinavian Airlines
Find Deal
Tue, 24 Feb - Sat, 7 Mar
Air Canada Logo
09:20 - 15:28DUB-SFO
14h 08m1 stop
Air Canada Logo
07:10 - 08:15SFO-DUB
17h 05m2 stops
£404Air Canada
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Scandinavian Airlines Logo
11:30 - 19:25DUB-SFO
38h 55m2 stops
Scandinavian Airlines Logo
12:35 - 11:45SFO-DUB
39h 10m2 stops
£405Scandinavian Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Aer Lingus Logo
12:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
£416Aer Lingus
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Aer Lingus Logo
12:30 - 16:35DUB-SFO
11h 05mdirect
Aer Lingus Logo
17:20 - 11:25SFO-DUB
10h 05mdirect
£417Aer Lingus
Find Deal
Fri, 31 Oct - Fri, 7 Nov
British Airways Logo
08:50 - 15:00DUB-SFO
14h 10m1 stop
British Airways Logo
12:07 - 15:20SFO-DUB
19h 13m2 stops
£419British Airways
Find Deal
Wed, 17 Dec - Mon, 5 Jan
British Airways Logo
20:40 - 15:00DUB-SFO
26h 20m1 stop
British Airways Logo
20:40 - 09:40SFO-DUB
29h 00m1 stop
£420British Airways
Find Deal
Wed, 17 Dec - Tue, 6 Jan
United Airlines Logo
09:20 - 23:08DUB-SFO
21h 48m1 stop
United Airlines Logo
06:30 - 07:10SFO-DUB
16h 40m1 stop
£427United Airlines
Find Deal
Sun, 12 Oct - Sun, 19 Oct
United Airlines Logo
09:20 - 23:08DUB-SFO
21h 48m1 stop
United Airlines Logo
10:50 - 09:45SFO-DUB
14h 55m2 stops
£428United Airlines
Find Deal
Sat, 4 Oct - Thu, 16 Oct

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
Lufthansa
10 Oct
DUB13:35Dublin
14h 53m
1 stop
SFO20:28San Francisco
18 Oct
SFO13:02San Francisco
13h 18m
1 stop
DUB10:20Dublin
Lufthansa
24 Sept
DUB05:55Dublin
14h 45m
1 stop
SFO12:40San Francisco
8 Oct
SFO13:02San Francisco
13h 18m
1 stop
DUB10:20Dublin

Scandinavian Airlines flights from Ireland to San Francisco

Our best Scandinavian Airlines deals on Ireland to San Francisco flight tickets
Scandinavian Airlines
24 Feb
DUB12:30Dublin
42h 42m
2 stops
SFO23:12San Francisco
7 Mar
SFO16:40San Francisco
17h 40m
1 stop
DUB18:20Dublin
Scandinavian Airlines
29 Oct
DUB11:30Dublin
38h 55m
2 stops
SFO19:25San Francisco
5 Nov
SFO12:35San Francisco
39h 10m
2 stops
DUB11:45Dublin
Scandinavian Airlines
24 Feb
DUB19:05Dublin
35h 42m
2 stops
SFO22:47San Francisco
7 Mar
SFO16:40San Francisco
35h 05m
2 stops
DUB11:45Dublin

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 279,928 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

Wed 15/10

09:00-16:00

1 stop15h 00m

San Francisco

Wed 22/10

07:00-07:20

1 stop16h 20m

£399

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 24/2

12:30-23:12

2 stops42h 42m

San Francisco

Sat 7/3

16:40-18:20

1 stop17h 40m

£400

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 15/10

09:20-15:28

1 stop14h 08m

San Francisco

Wed 22/10

07:10-08:15

2 stops17h 05m

£404

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 29/10

11:30-19:25

2 stops38h 55m

San Francisco

Wed 5/11

12:35-11:45

2 stops39h 10m

£405

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 29/10

12:30-16:35

Nonstop11h 05m

San Francisco

Wed 5/11

17:20-11:25

Nonstop10h 05m

£416

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

£417

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 17/12

08:50-15:00

1 stop14h 10m

San Francisco

Mon 5/1

12:07-15:20

2 stops19h 13m

£419

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 17/12

20:40-15:00

1 stop26h 20m

San Francisco

Tue 6/1

20:40-09:40

1 stop29h 00m

£420

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 12/10

09:20-23:08

1 stop21h 48m

San Francisco

Sun 19/10

06:30-07:10

1 stop16h 40m

£427

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 4/10

09:20-23:08

1 stop21h 48m

San Francisco

Thu 16/10

10:50-09:45

2 stops14h 55m

£428

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 month of February is, on average, the cheapest month to fly to San Francisco from Ireland, with most prices found around £419. 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 £430.

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 £459. 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 Sunday will generally be more expensive and average around £686. 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 £417. Try not to purchase tickets in the afternoon because they tend to be around £710. 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 £514 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 £436 on momondo.

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

There are 3 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

£420

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 £420. The best return flight deal from Ireland to San Francisco found on momondo in the last 72 hours is £410.
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)
  • 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?

  • 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?

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 AirlinesPriceFrom £310Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £313Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £321Free CancellationRating
7.8
1,386 reviews
Search KLM flights
British AirwaysPriceFrom £325Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
Aer LingusPriceFrom £335Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
LufthansaPriceFrom £393Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
United AirlinesPriceFrom £405Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air FrancePriceFrom £407Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Air CanadaPriceFrom £421Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom £432Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Carmel-by-the-Sea
Santa Clara
Seaside
Vacaville
Salinas
Rohnert Park
Campbell
Sunnyvale
San Ramon
South San Francisco
Capitola
Palo Alto
Millbrae
San Bruno
Sausalito
Santa Cruz
Woodland
Redwood City
Burlingame
Modesto

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.

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.

Get notified when prices go down

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1 adult
Fri 17/10
Fri 24/10

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