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$268+ Cheap flights from San Francisco (SFO) to Ireland

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DUB
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from San Francisco to Ireland

Keep the following information in mind while searching for San Francisco to Ireland flight deals. Data was last updated November 6, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$538
(American Airlines)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$705

Good round-trip deal

$699 or less

Good one-way deal

$462 or less
Provider with most accurate pricing for San Francisco-Dublin flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Dublin flights.
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From San Francisco to Ireland
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One-way flight from San Francisco to Ireland
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Highest demand for flights based on searches. 17% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from San Francisco to Ireland.
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Price to beat on a one-way flight from San Francisco to Ireland.
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Find flight deals from San Francisco to Ireland

Cheapest flights from San Francisco to Ireland
Explore the most affordable flight options available from San Francisco to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This KLM deal was found by Cheapflights users on 11/5. 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.
Wed 12/31:55 pmSFO - ORK
1 stop25h 30mKLM
Tue 12/95:15 pmORK - SFO
1 stop26h 35mKLM
Deal found 11/5$549
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/312:10 pmSFO - ORK
2 stops19h 15mAmerican Airlines
Tue 12/911:55 amORK - SFO
2 stops20h 16mAmerican Airlines
Deal found 11/5$554
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:30 amSFO - DUB
1 stop14h 40mMultiple Airlines
Wed 11/195:10 amDUB - SFO
1 stop15h 30mMultiple Airlines
Deal found 11/4$579
This Air Canada deal was found by Cheapflights users on 11/5. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:00 amSFO - DUB
2 stops18h 10mAir Canada
Mon 12/89:00 amDUB - SFO
2 stops36h 35mAir Canada
Deal found 11/5$581
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:52 amSFO - DUB
2 stops15h 28mUnited Airlines
Fri 1/99:30 amDUB - SFO
2 stops18h 40mUnited Airlines
Deal found 11/4$582
This Booking.com deal was found by Cheapflights users on 11/5. 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.
Sat 12/275:20 pmSFO - DUB
Nonstop10h 05mAer Lingus
Tue 1/1312:30 pmDUB - SFO
Nonstop11h 05mAer Lingus
Deal found 11/5$583
This United deal was found by Cheapflights users on 11/4. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amSFO - DUB
1 stop18h 10mMultiple Airlines
Wed 11/199:00 amDUB - SFO
2 stops20h 22mMultiple Airlines
Deal found 11/4$584
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:20 pmSFO - DUB
Nonstop10h 05mAer Lingus
Mon 12/812:30 pmDUB - SFO
Nonstop11h 05mAer Lingus
Deal found 11/6$588
This Priceline deal was found by Cheapflights users on 11/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:30 pmSFO - DUB
1 stop32h 40mAir Canada
Fri 1/99:00 amDUB - SFO
2 stops44h 22mAir Canada
Deal found 11/4$589
This Delta deal was found by Cheapflights users on 11/5. 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.
Wed 11/512:35 amSFO - DUB
1 stop23h 10mDelta
Thu 11/135:55 amDUB - SFO
1 stop13h 55mDelta
Deal found 11/5$590
This KAYAK deal was found by Cheapflights users on 11/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:40 pmSFO - DUB
1 stop32h 45mScandinavian Airlines
Mon 12/157:05 pmDUB - SFO
2 stops35h 45mScandinavian Airlines
Deal found 11/6$591
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 12/13:30 pmSFO - SNN
2 stops17h 15mAmerican Airlines
Mon 12/87:50 amSNN - SFO
1 stop15h 10mAmerican Airlines
Deal found 11/6$592

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Ireland 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 November 6, 2025.
Use the filters below to find and compare flights from San Francisco to Ireland that are best for you.

Fly from

San Francisco

Fly to

Ireland

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 1/11

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

Tue 1/20

7:50 am-3:00 pm

1 stop15h 10m

$538

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 1/7

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

Tue 1/13

7:50 am-3:00 pm

1 stop15h 10m

$538

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Mon 1/12

5:30 pm-9:00 pm

1 stop19h 30m

Cork

Tue 1/20

7:40 am-3:00 pm

1 stop15h 20m

$539

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 12/3

1:55 pm-11:25 pm

1 stop25h 30m

Cork

Tue 12/9

5:15 pm-11:50 am

1 stop26h 35m

$549

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 12/3

5:30 pm-3:25 pm

1 stop13h 55m

Cork

Tue 12/9

11:55 am-11:25 pm

2 stops19h 30m

$549

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Thu 1/15

4:40 pm-10:10 am

2 stops57h 30m

Dublin

Tue 1/20

12:30 pm-3:05 pm

2 stops58h 35m

$585

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 1/7

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

Mon 1/12

7:50 am-3:00 pm

1 stop15h 10m

$588

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Thu 1/1

5:00 am-8:10 am

1 stop19h 10m

Dublin

Mon 1/12

1:20 pm-4:30 pm

1 stop35h 10m

$589

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Fri 1/9

5:30 pm-3:25 pm

1 stop13h 55m

Cork

Wed 1/14

7:40 am-3:00 pm

1 stop15h 20m

$589

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Fri 12/5

12:30 am-7:45 am

1 stop23h 15m

Dublin

Wed 12/24

5:55 am-11:50 am

1 stop13h 55m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 42 results
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Best time to book a flight from San Francisco to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from San Francisco 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 San Francisco to Ireland

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Ireland (average of $398). Flying from San Francisco to Ireland in June is currently the most expensive (average of $716). 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 SFO to IE?

Find hourly flight availability from San Francisco to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

It’s typically best to fly out from San Francisco to Ireland at noon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco to Ireland?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Ireland. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their San Francisco to Ireland flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated November 6, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Francisco to Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.2
Good
1,365 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,500 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Ireland. 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 from for flights from San Francisco to Ireland?

    If you book a flight to Ireland from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

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

    This flight path from San Francisco to Ireland was viewed by 35 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like American Airlines, KLM, and Scandinavian Airlines fly from San Francisco to Ireland in about 15h 15m. The time it takes to get you to your destination can typically vary by up to 42h 15m. The distance from San Francisco to Ireland is about 5032 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    When deciding which route to take from San Francisco to Ireland consider San Francisco - Dublin, San Francisco - Cork or San Francisco - Shannon as they are the most popular.

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

    Before booking your flight to Ireland from San Francisco, check out the most reliable airlines to get you to your destination on time: American Airlines (76%), Aer Lingus (76%), Iberia( 76%).

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

    Looking for the cheapest flight from San Francisco to Ireland? While on average our users pay $2,797, our data indicates the cheapest price to be $223. The most popular route (San Francisco - Dublin), is priced around $407.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Ireland 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 San Francisco to Ireland?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Ireland (average of $398). Flying from San Francisco to Ireland in June is currently the most expensive (average of $716). 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

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Alternative routes for San Francisco to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from San Francisco to Ireland

Discover the top 10 airlines that operate flights from San Francisco to Ireland. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$421Average$535FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$495Average$946FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$497Average$853FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$510Average$876FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$517Average$714FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$533Average$813FlexibilityNo cancel feeOn-time71%
SWISSCheapest$539Average$799FlexibilityNo cancel feeOn-time79%
DeltaCheapest$544Average$916FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$568Average$915FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$578Average$814FlexibilityNo cancel feeOn-time77%

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