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$183+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DUB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$509
(Air Canada)

One-way from

$183
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$716

Good round-trip deal

$666 or less

Good one-way deal

$474 or less
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. 18% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/16. 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.
Sun 11/26:00 pmSFO - DUB
2 stops53h 10mAir Canada
Wed 11/199:00 amDUB - SFO
2 stops33h 39mAir Canada
Deal found 9/16$509
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Sat 11/811:44 pmSFO - DUB
2 stops23h 26mAir Canada
Fri 11/219:00 amDUB - SFO
2 stops19h 34mAir Canada
Deal found 9/16$511
This Scandinavian Airlines deal was found by Cheapflights users on 9/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:35 pmSFO - DUB
2 stops39h 10mScandinavian Airlines
Thu 11/207:05 pmDUB - SFO
1 stop27h 30mScandinavian Airlines
Deal found 9/16$512
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:25 pmSFO - DUB
1 stop14h 20mMultiple Airlines
Wed 11/125:10 amDUB - SFO
1 stop15h 30mMultiple Airlines
Deal found 9/15$513
This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 10/199:50 pmSFO - DUB
1 stop28h 55mDelta
Tue 11/410:45 amDUB - SFO
2 stops21h 11mDelta
Deal found 9/16$514
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/194:30 pmSFO - SNN
1 stop15h 40mAmerican Airlines
Tue 11/47:50 amSNN - SFO
1 stop15h 10mAmerican Airlines
Deal found 9/16$515
This FlightHub deal was found by Cheapflights users on 9/15. 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 11/48:30 amSFO - DUB
1 stop14h 40mMultiple Airlines
Tue 11/115:00 amDUB - SFO
1 stop15h 40mMultiple Airlines
Deal found 9/15$515
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:30 pmSFO - DUB
1 stop15h 35mBritish Airways
Mon 12/88:40 pmDUB - SFO
1 stop26h 20mBritish Airways
Deal found 9/15$516
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/206:38 pmSFO - DUB
1 stop29h 07mUnited Airlines
Tue 11/2510:40 amDUB - SFO
1 stop16h 27mUnited Airlines
Deal found 9/15$518
This Gurufare deal was found by Cheapflights users on 9/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:35 pmSFO - DUB
2 stops39h 10mScandinavian Airlines
Wed 11/1211:30 amDUB - SFO
2 stops35h 05mScandinavian Airlines
Deal found 9/15$519
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/288:25 pmSFO - DUB
1 stop14h 20mMultiple Airlines
Wed 11/55:10 amDUB - SFO
1 stop15h 30mMultiple Airlines
Deal found 9/15$521
This Delta deal was found by Cheapflights users on 9/17. 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 11/196:00 amSFO - DUB
1 stop17h 45mDelta
Wed 12/311:30 amDUB - SFO
1 stop20h 28mDelta
Deal found 9/17$522

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 September 17, 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 FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 11/8

4:40 pm-6:20 pm

1 stop17h 40m

Dublin

Tue 11/18

11:30 am-2:35 pm

2 stops59h 05m

$509

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 11/12

9:00 am-8:45 am

1 stop15h 45m

Dublin

Tue 11/18

10:45 am-6:29 pm

1 stop15h 44m

$515

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 10/19

10:20 am-11:20 am

2 stops17h 00m

Shannon

Tue 11/4

7:50 am-3:00 pm

1 stop15h 10m

$520

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 10/18

11:56 pm-7:10 am

1 stop23h 14m

Dublin

Wed 11/5

10:40 am-7:07 pm

1 stop16h 27m

$522

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 11/19

6:00 am-7:45 am

1 stop17h 45m

Dublin

Wed 12/3

11:30 am-8:33 pm

1 stop17h 03m

$522

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 10/25

3:30 pm-12:45 pm

2 stops37h 15m

Dublin

Sun 11/2

10:10 am-2:35 pm

1 stop36h 25m

$522

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 11/19

6:30 am-7:30 am

2 stops17h 00m

Dublin

Wed 12/3

9:00 am-8:19 pm

2 stops19h 19m

$522

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 10/28

9:05 am-9:55 am

2 stops17h 50m

Dublin

Wed 11/5

10:40 am-9:50 pm

2 stops19h 10m

$527

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Fri 10/31

5:40 pm-10:50 am

2 stops34h 10m

Dublin

Fri 11/7

10:45 am-2:35 pm

2 stops35h 50m

$528

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Fri 11/7

4:40 pm-11:20 am

2 stops34h 40m

Dublin

Sat 11/15

10:20 am-2:35 pm

2 stops36h 15m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 43 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 $509). Flying from San Francisco to Ireland in June is currently the most expensive (average of $923). 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 September 17, 2025.

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

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 October 6, 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. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Ireland

Explore weekly flight availability from San Francisco to Ireland. 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 September 17, 2025.

The most flights from SFO to IE0 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 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 September 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
1,277 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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 38 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 Scandinavian Airlines, KLM, and American Airlines fly from San Francisco to Ireland in about 15h 45m. The time it takes to get you to your destination can typically vary by up to 1h 55m. The distance from San Francisco to Ireland is about 5081 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $229. Users have also found prices from $257 and $420 on LEVEL and American Airlines, respectively.

  • 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 (81%), Aer Lingus (81%), British Airways( 81%).

  • 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 $3,665, our data indicates the cheapest price to be $422. The most popular route (San Francisco - Dublin), is priced around $412.

  • 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 $509). Flying from San Francisco to Ireland in June is currently the most expensive (average of $923). 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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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$421Average$531FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$482Average$881FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$495Average$940FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$510Average$847FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$517Average$765FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$520Average$918FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$539Average$776FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$545Average$875FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$575Average$807FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$576Average$921FlexibilityNo cancel feeOn-time69%

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