Cheap flights from Ireland to San Francisco from £388

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to San Francisco

Keep the following information in mind while searching for Ireland to San Francisco flight deals. Data was last updated 5 November 2025.

Round-trip from

£388

Popular in

July

Cheapest in

February

Average price

£451

Good round-trip deal

£453 or less

Good one-way deal

£513 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/12-18/1
  • 3 total stops
  • 88h 10m total
  • Ireland to San Francisco
Highest demand for flights based on searches. 17% potential increase in price (£89 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Ireland to San Francisco.
Price to beat on a one-way flight from Ireland to San Francisco.

Find flight deals from Ireland to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to San Francisco
Explore the most affordable flight options available from Ireland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Tue 23/1217:30DUB - SFO
2 stops53h 05mScandinavian Airlines
Mon 19/116:40SFO - DUB
1 stop35h 05mScandinavian Airlines
Deal found 3/11£388
Tue 23/1211:30DUB - SFO
2 stops59h 05mScandinavian Airlines
Sat 17/116:40SFO - DUB
2 stops35h 05mScandinavian Airlines
Deal found 3/11£391
Sat 13/1212:30DUB - SFO
Nonstop11h 05mAer Lingus
Wed 31/1217:20SFO - DUB
Nonstop10h 05mAer Lingus
Deal found 4/11£392
Tue 23/1211:30DUB - SFO
2 stops59h 05mScandinavian Airlines
Thu 15/116:40SFO - DUB
1 stop32h 45mScandinavian Airlines
Deal found 3/11£402
Fri 12/1219:05DUB - SFO
1 stop27h 30mScandinavian Airlines
Sat 3/116:40SFO - DUB
1 stop35h 05mScandinavian Airlines
Deal found 4/11£409
Fri 12/1210:45DUB - SFO
2 stops35h 50mScandinavian Airlines
Fri 26/1216:40SFO - DUB
2 stops33h 30mScandinavian Airlines
Deal found 3/11£421
Thu 11/1212:30DUB - SFO
1 stop34h 05mScandinavian Airlines
Sat 3/116:40SFO - DUB
1 stop35h 05mScandinavian Airlines
Deal found 4/11£422
Wed 19/1111:30DUB - SFO
1 stop18h 35mMultiple Airlines
Sun 23/1108:00SFO - DUB
1 stop15h 10mMultiple Airlines
Deal found 3/11£423

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 5 November 2025.
Use the filters below to find and compare flights from Ireland to San Francisco that are best for you.

Fly from

Ireland

Fly to

San Francisco

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 23/12

11:30-14:35

2 stops59h 05m

San Francisco

Fri 16/1

16:40-09:25

1 stop32h 45m

£388

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 14/1

09:00-21:39

1 stop20h 39m

San Francisco

Wed 28/1

06:45-08:10

1 stop17h 25m

£389

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 5/3

10:40-19:48

2 stops17h 08m

San Francisco

Mon 9/3

12:55-10:20

1 stop14h 25m

£394

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 13/3

10:45-15:35

2 stops35h 50m

San Francisco

Tue 24/3

17:40-10:30

2 stops33h 50m

£405

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 9/1

11:30-22:13

1 stop18h 43m

San Francisco

Tue 20/1

23:13-08:40

1 stop25h 27m

£423

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 15/12

16:45-23:59

1 stop15h 14m

San Francisco

Wed 31/12

17:20-11:25

Nonstop10h 05m

£468

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 24/2

05:55-11:50

1 stop13h 55m

San Francisco

Fri 6/3

00:40-07:45

1 stop23h 05m

£499

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 27/12

12:55-21:02

1 stop16h 07m

£453

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 29/12

12:55-00:32

1 stop19h 37m

£522

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 1/1

13:00-21:02

1 stop16h 02m

£525

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 16 results
1
2

Best time to book a flight from Ireland to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to San Francisco

What is the cheapest month to book a flight from Ireland to San Francisco?

Currently, November is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £329). Flying from Ireland to San Francisco in July is currently the most expensive (average of £532). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to SFO?

Find hourly flight availability from Ireland to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

When flying from Ireland to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight in the afternoon.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 5 November 2025.
Check out reviews from past customers who have flown with United Airlines, American Airlines, andAer Lingus from Ireland to San Francisco to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Ireland to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Ireland?

    Located just 11.8 mi from the city center, San Francisco (SFO) is the airport most travelers will use when flying to San Francisco from Ireland.

  • How popular is this Ireland to San Francisco flight route?

  • How long is the flight from Ireland to San Francisco?

    There are many flights that can get you from Ireland to San Francisco in 20h 39m. Fly via Scandinavian Airlines or United Airlines to get the fastest option. Ireland and San Francisco are separated by a distance of 5081 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Ireland to San Francisco?

    The top 3 most reliable airlines when flying from Ireland to San Francisco are Aer Lingus (85%), Iberia (85%) and British Airways (85%).

  • What are the cheapest flights from Ireland to San Francisco?

    While on average a flight from Ireland to San Francisco is generally £813, our data shows the cheapest flight currently is £369. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £393 for that flight.

  • Can I find deals for flights from Ireland to San Francisco that include hotel bookings?

    Yes. In addition to deals on Ireland to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to San Francisco.

  • Can I find deals for business class flights from Ireland to San Francisco?

    Yes. Cheapflights offers flight deals from Ireland to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to San Francisco?

    Currently, November is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £329). Flying from Ireland to San Francisco in July is currently the most expensive (average of £532). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
San Bruno
Bodega Bay
Pacific Grove

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Alternative routes for Ireland to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Ireland to San Francisco

Discover the top 10 airlines that operate flights from Ireland to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£323Average£368FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£326Average£346FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£334Average£456FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£335Average£470FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£349Average£497FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£349Average£578FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£406Average£502FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£424Average£599FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£431Average£644FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£451Average£611FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to San Francisco?

Deals for Ireland to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ireland to San Francisco?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Ireland.

Can Cheapflights find flights from Ireland to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to San Francisco become cheaper?

Of course! You can now track prices for flights from Ireland to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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