Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ireland to San Francisco from £363

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
31 Mar — 7 Apr1
1 adult

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 26 March 2025.

Round-trip from

£434

One-way from

£363

Popular in

July

Cheapest in

November

Average price

£494

Good round-trip deal

£500 or less

Good one-way deal

£432 or less
British Airways
  • British Airways
  • 1/5-6/5
  • 2 total stops
  • 30h 35m total
  • Ireland to San Francisco
WestJet
  • WestJet
  • 8/9
  • 2 total stops
  • 43h 39m total
  • Ireland to San Francisco
Highest demand for flights based on searches. 19% potential increase in price (£102 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in March 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

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 26 March 2025.

Thu 1/510:40DUB - SFO
1 stop14h 35mBritish Airways
Tue 6/519:30SFO - DUB
1 stop16h 00mBritish Airways
Deal found 25/3£434
Thu 22/505:55DUB - SFO
1 stop13h 50mKLM
Tue 3/609:25SFO - DUB
1 stop15h 50mKLM
Deal found 25/3£434
Sat 10/513:00DUB - SFO
Nonstop10h 55mAer Lingus
Mon 19/517:45SFO - DUB
Nonstop10h 00mAer Lingus
Deal found 26/3£442
Thu 1/512:40DUB - SFO
1 stop19h 01mMultiple Airlines
Tue 6/519:30SFO - DUB
1 stop16h 00mMultiple Airlines
Deal found 24/3£445
Tue 8/405:55DUB - SFO
1 stop13h 50mDelta
Tue 15/411:09SFO - DUB
2 stops19h 51mDelta
Deal found 26/3£452
Tue 20/508:35DUB - SFO
1 stop16h 40mAmerican Airlines
Wed 4/608:18SFO - DUB
1 stop14h 12mAmerican Airlines
Deal found 25/3£461
Wed 22/1005:55DUB - SFO
1 stop14h 45mLufthansa
Wed 5/1108:25SFO - DUB
1 stop17h 40mLufthansa
Deal found 25/3£477
Wed 20/811:45DUB - SFO
2 stops36h 45mScandinavian Airlines
Wed 27/819:40SFO - DUB
2 stops40h 20mScandinavian Airlines
Deal found 25/3£495
Wed 28/509:20DUB - SFO
1 stop33h 05mUnited Airlines
Mon 7/700:20SFO - DUB
1 stop22h 50mUnited Airlines
Deal found 26/3£512
Fri 23/509:20DUB - SFO
1 stop13h 45mAir Canada
Mon 2/623:59SFO - DUB
2 stops24h 16mAir Canada
Deal found 25/3£526
Mon 14/409:20DUB - SFO
1 stop17h 54mAustrian Airlines
Tue 22/407:00SFO - DUB
1 stop16h 20mAustrian Airlines
Deal found 25/3£533
Tue 15/711:00DUB - SFO
1 stop15h 52mAir France
Wed 6/815:05SFO - DUB
1 stop15h 55mAir France
Deal found 25/3£582

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 26 March 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

Thu 1/5

10:40-17:15

1 stop14h 35m

San Francisco

Tue 6/5

19:30-19:30

1 stop16h 00m

£434

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 22/5

05:55-11:45

1 stop13h 50m

San Francisco

Tue 3/6

09:25-09:15

1 stop15h 50m

£434

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sat 10/5

13:00-15:55

Nonstop10h 55m

San Francisco

Mon 19/5

17:45-11:45

Nonstop10h 00m

£442

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Thu 1/5

12:40-23:41

1 stop19h 01m

San Francisco

Tue 6/5

19:30-19:30

1 stop16h 00m

£445

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 8/4

05:55-11:45

1 stop13h 50m

San Francisco

Tue 15/4

11:09-15:00

2 stops19h 51m

£452

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 20/5

08:35-17:15

1 stop16h 40m

San Francisco

Wed 4/6

08:18-06:30

1 stop14h 12m

£461

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 20/8

11:45-16:30

2 stops36h 45m

San Francisco

Wed 27/8

19:40-20:00

2 stops40h 20m

£495

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 28/5

09:20-10:25

1 stop33h 05m

San Francisco

Mon 7/7

00:20-07:10

1 stop22h 50m

£512

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 23/5

09:20-15:05

1 stop13h 45m

San Francisco

Mon 2/6

23:59-08:15

2 stops24h 16m

£526

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 23/4

09:00-16:05

1 stop15h 05m

San Francisco

Sun 4/5

22:58-07:20

2 stops24h 22m

£529

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 18 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, 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 26 March 2025.

When flying from Ireland to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 26 March 2025.
Read through reviews of airlines operating flights from Ireland to San Francisco, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

  • What are the cheapest airlines to fly from Ireland to San Francisco one-way?

    One-way options have recently been found by users for as low as £363 on WestJet. Other airlines that offer cheap prices include United Airlines from £849 and Delta from £1,142 one-way.

  • 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 (92%), Aer Lingus (92%) and British Airways (92%).

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

    While on average a flight from Ireland to San Francisco is generally £1,002, our data shows the cheapest flight currently is £432. When looking at the most popular route, (Dublin - San Francisco), you can expect to pay £591 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, 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.

See more FAQs

Travelling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
Santa Cruz
San Mateo
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to San Francisco

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

Top 8 airlines flying from Ireland to San Francisco

Discover the top 8 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£247Average£363FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£338Average£466FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£342Average£493FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£352Average£628FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£374Average£604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£408Average£560FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£421Average£592FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£461Average£620FlexibilityNo cancel feeOn-time77%
Search Air France flights

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.