Cheap flights from Ireland to San Francisco from £439
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
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 4 July 2025.
Round-trip from | £469 |
---|---|
One-way from | £439 |
Popular in | July |
Cheapest in | February |
Average price | £653 |
Good round-trip deal | £471 or less |
Good one-way deal | £498 or less |
Find flight deals from Ireland to San Francisco
Cheapest flights from Ireland to San FranciscoExplore 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 4 July 2025.
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 4 July 2025.
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 4 July 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
Fri 28/11
05:55-15:09
2 stops17h 14m
San Francisco
Wed 10/12
06:00-08:05
2 stops18h 05m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Mon 8/9
05:30-16:45
2 stops43h 15m
San Francisco
Mon 22/9
16:20-18:05
1 stop17h 45m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Tue 23/12
11:30-14:35
2 stops59h 05m
San Francisco
Mon 12/1
16:40-11:45
1 stop35h 05m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Sat 8/11
09:00-20:09
2 stops19h 09m
San Francisco
Sat 22/11
07:25-10:20
2 stops18h 55m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Wed 24/12
10:45-18:36
1 stop15h 51m
San Francisco
Wed 31/12
07:00-08:45
1 stop17h 45m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Mon 22/12
13:25-11:50
1 stop30h 25m
San Francisco
Mon 12/1
15:50-15:40
1 stop15h 50m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Mon 25/8
09:00-15:55
1 stop14h 55m
San Francisco
Sun 7/9
13:10-10:20
1 stop13h 10m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Mon 25/8
18:40-16:10
1 stop29h 30m
San Francisco
Wed 10/9
11:35-17:50
2 stops22h 15m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Wed 17/9
13:00-15:55
Nonstop10h 55m
San Francisco
Mon 22/9
19:20-18:20
1 stop15h 00m
DublinSan Francisco
DUB - SFO
DUBSFO
Dublin
Tue 11/11
12:30-15:35
Nonstop11h 05m
San Francisco
Tue 25/11
17:20-11:25
Nonstop10h 05m
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.
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, February is the cheapest month in which you can book a flight from Ireland to San Francisco (average of £538). Flying from Ireland to San Francisco in July is currently the most expensive (average of £803). 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 4 July 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 at midday, which can drop the price by up to 2% versus a flight in the morning.
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 4 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andFinnair 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.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
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.
Travelling to a place near Ireland?
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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 9 airlines flying from Ireland to San Francisco
Discover the top 9 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 4 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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.