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$285+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DUB
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$479
(Delta)

One-way from

$285
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$951

Good round-trip deal

$659 or less

Good one-way deal

$475 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. 19% potential increase in price ($189 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 July 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:05 amSFO - SNN
1 stop20h 05mDelta
Wed 8/201:05 pmSNN - SFO
2 stops18h 06mDelta
Deal found 6/30$479
This American Airlines deal was found by Cheapflights users on 7/1. 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 11/265:30 pmSFO - ORK
1 stop13h 55mAmerican Airlines
Wed 12/37:40 amORK - SFO
1 stop19h 05mAmerican Airlines
Deal found 7/1$486
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:10 amSFO - SNN
1 stop17h 20mUnited Airlines
Tue 8/199:30 amSNN - SFO
2 stops15h 49mUnited Airlines
Deal found 6/30$492
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/58:25 pmSFO - ORK
1 stop34h 35mDelta
Thu 8/213:45 pmORK - SFO
2 stops24h 06mDelta
Deal found 6/30$523
This Air France deal was found by Cheapflights users on 7/1. 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.
Sun 8/103:05 pmSFO - ORK
1 stop15h 55mMultiple Airlines
Tue 8/266:00 amORK - SFO
1 stop13h 45mMultiple Airlines
Deal found 7/1$525
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 8/13:11 pmSFO - SNN
2 stops16h 39mAmerican Airlines
Tue 8/197:40 amSNN - SFO
2 stops19h 27mAmerican Airlines
Deal found 6/30$550
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/1312:20 amSFO - DUB
1 stop22h 50mUnited Airlines
Tue 8/269:20 amDUB - SFO
1 stop33h 55mUnited Airlines
Deal found 7/2$591
This British Airways deal was found by Cheapflights users on 7/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:20 pmSFO - DUB
1 stop28h 25mBritish Airways
Mon 9/18:55 pmDUB - SFO
1 stop24h 55mBritish Airways
Deal found 7/2$594
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:40 pmSFO - DUB
1 stop14h 35mScandinavian Airlines
Mon 9/2212:40 pmDUB - SFO
2 stops42h 33mScandinavian Airlines
Deal found 7/2$595
This Delta deal was found by Cheapflights users on 7/2. 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 7/2712:50 amSFO - DUB
1 stop23h 05mDelta
Mon 8/189:10 amDUB - SFO
1 stop35h 40mDelta
Deal found 7/2$596
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/155:45 pmSFO - KIR
1 stop15h 25mMultiple Airlines
Fri 8/2210:25 amKIR - SFO
2 stops17h 20mMultiple Airlines
Deal found 7/1$596
This Booking.com deal was found by Cheapflights users on 7/2. 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 9/36:25 amSFO - DUB
1 stop16h 05mAer Lingus
Mon 9/81:00 pmDUB - SFO
Nonstop10h 55mAer Lingus
Deal found 7/2$600

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 July 2, 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

Mon 8/4

7:05 am-11:10 am

1 stop20h 05m

Shannon

Wed 8/20

1:05 pm-11:11 pm

2 stops18h 06m

$479

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 11/26

5:30 pm-3:25 pm

1 stop13h 55m

Cork

Wed 12/3

7:40 am-6:45 pm

1 stop19h 05m

$486

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/4

6:10 am-7:30 am

1 stop17h 20m

Shannon

Tue 8/19

9:30 am-5:19 pm

2 stops15h 49m

$492

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Tue 8/5

8:25 pm-3:00 pm

1 stop34h 35m

Cork

Thu 8/21

3:45 pm-7:51 am

2 stops24h 06m

$523

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Sun 8/10

3:05 pm-3:00 pm

1 stop15h 55m

Cork

Tue 8/26

6:00 am-11:45 am

1 stop13h 45m

$525

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 8/1

3:11 pm-3:50 pm

2 stops16h 39m

Shannon

Tue 8/19

7:40 am-7:07 pm

2 stops19h 27m

$550

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 8/13

12:20 am-7:10 am

1 stop22h 50m

Dublin

Tue 8/26

9:20 am-11:15 am

1 stop33h 55m

$591

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 8/19

7:20 pm-7:45 am

1 stop28h 25m

Dublin

Mon 9/1

8:55 pm-1:50 pm

1 stop24h 55m

$594

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 9/8

7:40 pm-6:15 pm

1 stop14h 35m

Dublin

Mon 9/22

12:40 pm-11:13 pm

2 stops42h 33m

$595

San FranciscoMilltown (Kerry)

SFO - KIR

SFOKIR

San Francisco

Fri 8/15

5:45 pm-5:10 pm

1 stop15h 25m

Milltown (Kerry) Kerry

Fri 8/22

10:25 am-7:45 pm

2 stops17h 20m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $509). Flying from San Francisco to Ireland in June is currently the most expensive (average of $929). 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 July 2, 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 July 2, 2025.

The most flights from SFO to IE0 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).

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 July 2, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air Transat 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
7,983 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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.
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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.
Air Transat
7.8
Good
407 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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.
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

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 42 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $399. Users have also found prices from $408 and $413 on Aer Lingus 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 - Shannon or San Francisco - Cork 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: Aer Lingus (78%), American Airlines (78%), British Airways( 78%).

  • 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 $2,116, our data indicates the cheapest price to be $426. The most popular route (San Francisco - Dublin), is priced around $445.

  • 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 $929). 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

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$428Average$510FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$489Average$880FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$497Average$979FlexibilityNo cancel feeOn-time70%
SWISSCheapest$506Average$912FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$510Average$846FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$517Average$774FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$520Average$904FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$542Average$844FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$545Average$933FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$585Average$918FlexibilityNo cancel feeOn-time69%

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