Cheap flights from Ireland to San Francisco from £290

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
16 nov — 23 nov1
1 adult
1 adult, Economy

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 17 outubro 2025.

Round-trip from

£420

One-way from

£290

Popular in

July

Cheapest in

February

Average price

£491

Good round-trip deal

£436 or less

Good one-way deal

£486 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 8/11-31/3
  • 3 total stops
  • 37h 17m total
  • Ireland to San Francisco
20/1
  • 20/1
  • 2 total stops
  • 33h 10m total
  • Ireland to San Francisco
Highest demand for flights based on searches. 17% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in October 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 17 outubro 2025.

sáb 8/1110:10DUB - SFO
2 stops19h 42mScandinavian Airlines
ter 31/316:45SFO - DUB
1 stop17h 35mScandinavian Airlines
Deal found 16/10£420
qui 13/1115:20DUB - SFO
1 stop16h 38mMultiple Airlines
dom 16/1118:20SFO - DUB
Nonstop10h 05mMultiple Airlines
Deal found 16/10£421
dom 2/1105:00DUB - SFO
1 stop15h 25mDelta
sex 14/1110:30SFO - DUB
2 stops21h 15mDelta
Deal found 16/10£422
ter 11/1105:55DUB - SFO
1 stop13h 55mDelta
qua 19/1110:39SFO - DUB
2 stops21h 41mDelta
Deal found 17/10£423
qui 6/1111:15DUB - SFO
2 stops35h 20mScandinavian Airlines
seg 30/316:45SFO - DUB
1 stop35h 05mScandinavian Airlines
Deal found 15/10£425
seg 24/1105:55DUB - SFO
2 stops21h 02mDelta
sáb 29/1121:30SFO - DUB
1 stop26h 15mDelta
Deal found 17/10£426
seg 27/1007:00DUB - SFO
1 stop16h 00mBritish Airways
seg 10/1115:30SFO - DUB
2 stops20h 10mBritish Airways
Deal found 15/10£427
qua 24/1205:55DUB - SFO
1 stop13h 55mDelta
qua 31/1210:23SFO - DUB
2 stops21h 57mDelta
Deal found 15/10£430
qui 6/1111:15DUB - SFO
2 stops35h 20mScandinavian Airlines
seg 24/1116:40SFO - DUB
2 stops34h 05mScandinavian Airlines
Deal found 15/10£430
sáb 8/1109:00DUB - SFO
1 stop20h 34mUnited Airlines
qui 20/1105:10SFO - DUB
1 stop19h 00mUnited Airlines
Deal found 15/10£431

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 17 outubro 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

sex 9/1

15:00-15:00

1 stop32h 00m

San Francisco

ter 20/1

17:30-07:55

1 stop30h 25m

£421

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

dom 9/11

09:00-21:34

1 stop20h 34m

San Francisco

qua 19/11

06:00-08:10

1 stop18h 10m

£433

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

sex 7/11

09:00-22:55

2 stops21h 55m

San Francisco

dom 23/11

13:25-10:20

1 stop12h 55m

£436

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

sáb 28/3

18:05-13:50

2 stops26h 45m

San Francisco

sáb 4/4

10:24-09:45

1 stop15h 21m

£436

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

dom 9/11

09:00-21:34

1 stop20h 34m

San Francisco

sáb 22/11

18:42-08:10

1 stop29h 28m

£436

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

seg 10/11

09:00-22:37

2 stops21h 37m

San Francisco

sáb 22/11

18:42-08:10

1 stop29h 28m

£439

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

seg 10/11

09:00-21:50

2 stops20h 50m

San Francisco

qua 19/11

06:00-08:10

1 stop18h 10m

£439

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

sáb 10/1

09:00-23:12

2 stops22h 12m

San Francisco

sex 16/1

05:00-07:30

2 stops18h 30m

£439

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

sáb 8/11

09:00-22:59

2 stops21h 59m

San Francisco

sáb 22/11

18:42-08:10

1 stop29h 28m

£439

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

sex 14/11

09:00-21:27

2 stops20h 27m

San Francisco

sáb 22/11

18:42-08:10

1 stop29h 28m

£439

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 21 results
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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 £317). Flying from Ireland to San Francisco in July is currently the most expensive (average of £518). 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 17 outubro 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.

Weekly flight availability from Ireland to San Francisco

Explore weekly flight availability from Ireland to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 outubro 2025.

The most flights from IE0 to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 17 outubro 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.

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

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 34m. Fly via British Airways 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 American Airlines (70%), Aer Lingus (70%) and Iberia (70%).

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

    While on average a flight from Ireland to San Francisco is generally £765, our data shows the cheapest flight currently is £421. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £346 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 £317). Flying from Ireland to San Francisco in July is currently the most expensive (average of £518). 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
Bodega Bay
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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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 17 outubro 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£315Average£356FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£325Average£447FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£326Average£458FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£340Average£565FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£395Average£489FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£413Average£583FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£420Average£621FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£439Average£595FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£510Average£573FlexibilityNo cancel feeOn-time67%
Search Air Canada 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?

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