San Francisco

$367+ Cheap flights from Ireland to San Francisco (SFO)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
Apr 5 — Apr 121
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$568
(Flightnetwork)

One-way from

$367
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$634

Good round-trip deal

$704 or less

Good one-way deal

$566 or less
Provider with most accurate pricing for Dublin-San Francisco flight deals.
Provider most trusted by Cheapflights users for Dublin-San Francisco flights.
From Ireland to San Francisco
One-way flight from Ireland to San Francisco
Highest demand for flights based on searches. 19% potential increase in price ($172 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT 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 March 31, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:00 pmDUB - SFO
Nonstop10h 55mAer Lingus
Wed 5/215:45 pmSFO - DUB
Nonstop10h 00mAer Lingus
Deal found 3/30$568
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:05 pmDUB - SFO
1 stop29h 25mScandinavian Airlines
Mon 5/127:40 pmSFO - DUB
1 stop14h 35mScandinavian Airlines
Deal found 3/29$570
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2212:40 pmDUB - SFO
1 stop17h 56mMultiple Airlines
Tue 4/297:30 pmSFO - DUB
1 stop13h 35mMultiple Airlines
Deal found 3/30$578
This Booking.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:25 pmDUB - SFO
1 stop28h 25mBritish Airways
Sun 5/44:20 pmSFO - DUB
1 stop13h 55mBritish Airways
Deal found 3/31$580
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:40 pmDUB - SFO
1 stop14h 36mAmerican Airlines
Mon 6/28:00 amSFO - DUB
2 stops17h 40mAmerican Airlines
Deal found 3/30$585
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:55 amDUB - SFO
1 stop13h 50mDelta
Mon 6/211:15 amSFO - DUB
2 stops19h 45mDelta
Deal found 3/31$587
This KLM deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:20 pmDUB - SFO
1 stop30h 25mKLM
Tue 6/39:25 amSFO - DUB
1 stop15h 50mKLM
Deal found 3/30$588
This KLM deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:00 amORK - SFO
2 stops19h 29mKLM
Mon 9/291:45 pmSFO - ORK
1 stop25h 45mKLM
Deal found 3/31$602
This Air France deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2110:00 amDUB - SFO
1 stop18h 37mAir France
Tue 4/293:05 pmSFO - DUB
1 stop15h 55mAir France
Deal found 3/30$603
This KLM deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:05 pmSNN - SFO
1 stop18h 24mMultiple Airlines
Tue 5/277:10 amSFO - SNN
1 stop20h 00mMultiple Airlines
Deal found 3/30$604
This Air France deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:00 amORK - SFO
2 stops19h 15mAir France
Mon 9/291:45 pmSFO - ORK
2 stops16h 55mAir France
Deal found 3/30$620
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:50 amDUB - SFO
2 stops18h 20mAir Canada
Wed 5/217:40 pmSFO - DUB
1 stop28h 05mAir Canada
Deal found 3/30$662

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 31, 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

Wed 5/14

1:00 pm-3:55 pm

Nonstop10h 55m

San Francisco

Wed 5/21

5:45 pm-11:45 am

Nonstop10h 00m

$568

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 5/5

7:05 pm-4:30 pm

1 stop29h 25m

San Francisco

Mon 5/12

7:40 pm-6:15 pm

1 stop14h 35m

$570

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 4/22

12:40 pm-10:36 pm

1 stop17h 56m

San Francisco

Tue 4/29

7:30 pm-5:05 pm

1 stop13h 35m

$578

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 4/27

5:25 pm-1:50 pm

1 stop28h 25m

San Francisco

Sun 5/4

4:20 pm-2:15 pm

1 stop13h 55m

$580

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 5/21

12:40 pm-7:16 pm

1 stop14h 36m

San Francisco

Mon 6/2

8:00 am-9:40 am

2 stops17h 40m

$585

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 5/30

5:55 am-11:45 am

1 stop13h 50m

San Francisco

Mon 6/2

11:15 am-3:00 pm

2 stops19h 45m

$587

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 5/23

1:20 pm-11:45 am

1 stop30h 25m

San Francisco

Tue 6/3

9:25 am-9:15 am

1 stop15h 50m

$588

CorkSan Francisco

ORK - SFO

ORKSFO

Cork

Sat 8/30

11:00 am-10:29 pm

2 stops19h 29m

San Francisco

Mon 9/29

1:45 pm-11:30 pm

1 stop25h 45m

$602

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 4/21

10:00 am-8:37 pm

1 stop18h 37m

San Francisco

Tue 4/29

3:05 pm-3:00 pm

1 stop15h 55m

$603

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Fri 5/23

1:05 pm-11:29 pm

1 stop18h 24m

San Francisco

Tue 5/27

7:10 am-11:10 am

1 stop20h 00m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 52 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 round-trip 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, January is the cheapest month in which you can book a flight from Ireland to San Francisco (average of $276). Flying from Ireland to San Francisco in June is currently the most expensive (average of $393). 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 March 31, 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.

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 March 31, 2025.

The most flights from IE0 to SFO are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 March 31, 2025.
See what other customers who have flown with Delta, KLM and Air Transat from Ireland to San Francisco have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

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
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

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

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

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?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Ireland to San Francisco. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

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

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

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $402. However, be on the lookout for offers from WestJet and Scandinavian Airlines, as they are both options that can get you from Ireland to San Francisco for a low price.

  • What are the most popular routes from Ireland to San Francisco?

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

    No one likes to see their flight delayed. When booking a flight from Ireland to San Francisco consider choosing American Airlines (92%), Aer Lingus (92%) or British Airways (92%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Ireland to San Francisco is $488. On average you can expect to pay $1,706. The most popular route, (Dublin - San Francisco), can usually be booked for $419.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Ireland to San Francisco (average of $276). Flying from Ireland to San Francisco in June is currently the most expensive (average of $393). 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

Traveling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Turlock
Fairfield
South San Francisco
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Hayward
Vallejo
Newark
Alameda
Sunnyvale
Campbell
Daly City

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 5 airlines flying from Ireland to San Francisco

Discover the top 5 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$512Average$619FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$529Average$733FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$544Average$768FlexibilityNo cancel feeOn-time69%
DeltaCheapest$554Average$604FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$593Average$853FlexibilityNo cancel feeOn-time71%
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