$490+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Ireland to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ireland to San Francisco
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Cheapest flights from Ireland to San FranciscoExplore 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 August 27, 2026.
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 August 27, 2026.
This SmartFares deal was found by Cheapflights users on 8/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:30 pm -
1 stop34h 20m
Sat 11/144:45 pm -
1 stop35h 00m
Deal found 8/24![Scandinavian Airlines logo]()
$526
This SmartFares deal was found by Cheapflights users on 8/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:05 pm -
1 stop27h 45m
Tue 11/244:45 pm -
1 stop17h 35m
Deal found 8/27![Scandinavian Airlines logo]()
$527
This SmartFares deal was found by Cheapflights users on 8/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:05 pm -
1 stop27h 35m
Thu 10/295:45 pm -
1 stop17h 35m
Deal found 8/27![Scandinavian Airlines logo]()
$531
This oojo deal was found by Cheapflights users on 8/27. 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.
Wed 11/1112:30 pm -
1 stop34h 20m
Mon 11/234:45 pm -
1 stop17h 35m
Deal found 8/27![Scandinavian Airlines logo]()
$533
This Vliegwinkel deal was found by Cheapflights users on 8/27. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 pm -
1 stop27h 35m
Sun 10/184:45 pm -
1 stop17h 35m
Deal found 8/27![Scandinavian Airlines logo]()
$535
This Gotogate deal was found by Cheapflights users on 8/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:55 am -
2 stops35h 55m
Thu 11/124:45 pm -
2 stops32h 35m
Deal found 8/27![Scandinavian Airlines logo]()
$537
This oojo deal was found by Cheapflights users on 8/27. 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.
Thu 10/87:05 pm -
1 stop27h 35m
Tue 10/134:45 pm -
1 stop17h 35m
Deal found 8/27![Scandinavian Airlines logo]()
$538
This FlightHub deal was found by Cheapflights users on 8/23. 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.
Sun 11/811:20 am -
2 stops35h 30m
Sat 11/144:45 pm -
2 stops35h 05m
Deal found 8/23![Scandinavian Airlines logo]()
$541
This Flysmarter deal was found by Cheapflights users on 8/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:50 am -
1 stop32h 55m
Sun 10/1810:35 am -
2 stops15h 40m
Deal found 8/27![KLM logo]()
$714
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 10/16:15 am -
1 stop13h 30m
Thu 10/153:05 pm -
1 stop15h 35m
Deal found 8/27![Delta logo]()
$721
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 10/16:15 am -
1 stop13h 30m
Tue 10/69:54 am -
2 stops20h 46m
Deal found 8/25![Delta logo]()
$722
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/246:15 am -
1 stop13h 30m
Fri 10/91:45 pm -
1 stop18h 55m
Deal found 8/25![Delta logo]()
$726
Best flights from Ireland to San FranciscoDiscover carefully curated flight deals from Ireland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Ireland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 1/1412:30 pm -
1 stop34h 20m
Mon 1/184:45 pm -
1 stop35h 00m
Deal found 8/27![Scandinavian Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 8/26. 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.
Thu 10/16:15 am -
1 stop13h 30m
Thu 10/1512:05 pm -
2 stops18h 35m
Deal found 8/26![Delta logo]()
$722
This KLM deal was found by Cheapflights users on 8/25. 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.
Thu 9/101:05 pm -
1 stop19h 29m
Mon 9/1410:35 pm -
1 stop28h 35m
Deal found 8/25![KLM logo]()
$740
This Air France deal was found by Cheapflights users on 8/25. 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.
Thu 9/101:05 pm -
2 stops38h 53m
Mon 9/149:00 am -
1 stop18h 10m
Deal found 8/25![Multiple Airlines logo]()
$812
This British Airways deal was found by Cheapflights users on 8/26. 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.
Thu 12/37:40 am -
1 stop19h 05m
Mon 12/72:45 pm -
2 stops16h 40m
Deal found 8/26![British Airways logo]()
$841
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 11/262:00 pm -
1 stop18h 47m
Sun 11/295:25 pm -
1 stop34h 05m
Deal found 8/27![American Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/1212:30 pm -
2 stops26h 11m
Mon 10/1910:40 am -
2 stops15h 35m
Deal found 8/27![United Airlines logo]()
$883
This Scandinavian Airlines deal was found by Cheapflights users on 8/23. 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.
Mon 10/57:05 pm -
1 stop27h 35m
Mon 10/124:45 pm -
1 stop17h 35m
Deal found 8/23![Scandinavian Airlines logo]()
$577
This Delta deal was found by Cheapflights users on 8/24. 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 9/216:15 am -
1 stop13h 30m
Mon 10/59:30 am -
2 stops21h 10m
Deal found 8/24![Delta logo]()
$722
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 9/247:05 pm -
2 stops36h 46m
Tue 10/204:45 pm -
2 stops33h 40m
Deal found 8/25![Scandinavian Airlines logo]()
$704
This Delta deal was found by Cheapflights users on 8/25. 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 10/115:55 am -
1 stop13h 50m
Sat 10/246:20 am -
2 stops19h 40m
Deal found 8/25![Delta logo]()
$724
This Mytrip deal was found by Cheapflights users on 8/23. 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.
Wed 10/76:05 am -
2 stops20h 55m
Wed 10/142:40 pm -
2 stops21h 55m
Deal found 8/23![Multiple Airlines logo]()
$816
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/245:55 am -
1 stop13h 50m
Tue 10/203:05 pm -
1 stop19h 20m
Deal found 8/25![Delta logo]()
$724
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/109:30 am -
2 stops16h 12m
Mon 9/1410:05 am -
2 stops16h 10m
Deal found 8/27![United Airlines logo]()
$884
This British Airways deal was found by Cheapflights users on 8/26. 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.
Thu 11/262:30 pm -
2 stops32h 25m
Sun 11/295:25 pm -
2 stops36h 35m
Deal found 8/26![British Airways logo]()
$929
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 11/198:50 am -
2 stops19h 46m
Wed 1/61:00 pm -
2 stops21h 25m
Deal found 8/24![Delta logo]()
$725
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/246:15 am -
1 stop13h 30m
Fri 10/91:45 pm -
1 stop18h 55m
Deal found 8/25![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 8/23. 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 9/66:15 am -
2 stops18h 41m
Mon 9/2111:58 am -
2 stops18h 42m
Deal found 8/23![Delta logo]()
$727
Last-minute flights from Ireland to San FranciscoDiscover last-minute flight deals from Ireland to San Francisco. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to San Francisco. Data last updated August 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Thu 9/37:05 pm -
1 stop27h 35m
Tue 10/275:45 pm -
1 stop17h 35m
Deal found 8/24![Scandinavian Airlines logo]()
$612
This Scandinavian Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 9/37:05 pm -
1 stop27h 35m
Thu 10/295:45 pm -
1 stop32h 40m
Deal found 8/24![Scandinavian Airlines logo]()
$627
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Thu 9/311:10 am -
2 stops35h 30m
Wed 10/285:45 pm -
1 stop35h 00m
Deal found 8/24![Scandinavian Airlines logo]()
$629
This lol.travel deal was found by Cheapflights users on 8/26. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:30 am -
1 stop22h 15m
Wed 9/169:00 am -
1 stop16h 45m
Deal found 8/26![Finnair logo]()
$673
This lol.travel deal was found by Cheapflights users on 8/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 am -
1 stop22h 15m
Sat 9/199:00 am -
1 stop16h 45m
Deal found 8/25![Finnair logo]()
$680
This KLM deal was found by Cheapflights users on 8/24. 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.
Tue 9/81:05 pm -
1 stop37h 12m
Thu 9/177:00 am -
1 stop20h 10m
Deal found 8/24![KLM logo]()
$740
This Air France deal was found by Cheapflights users on 8/26. 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.
Thu 9/101:05 pm -
2 stops38h 53m
Mon 9/149:00 am -
1 stop18h 10m
Deal found 8/26![Multiple Airlines logo]()
$812
This Delta deal was found by Cheapflights users on 8/24. 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 9/216:15 am -
1 stop13h 30m
Mon 10/59:30 am -
2 stops21h 10m
Deal found 8/24![Delta logo]()
$722
This Mytrip deal was found by Cheapflights users on 8/27. 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.
Wed 9/239:15 pm -
2 stops26h 35m
Sat 9/265:40 pm -
2 stops18h 55m
Deal found 8/27![Aer Lingus logo]()
$827
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 9/246:15 am -
1 stop13h 30m
Fri 10/91:45 pm -
1 stop18h 55m
Deal found 8/25![Delta logo]()
$726
This KLM deal was found by Cheapflights users on 8/25. 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 9/266:15 am -
2 stops18h 43m
Thu 10/12:15 pm -
2 stops18h 20m
Deal found 8/25![KLM logo]()
$741
This SmartFares deal was found by Cheapflights users on 8/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:40 pm -
1 stop34h 00m
Wed 10/144:45 pm -
1 stop17h 35m
Deal found 8/23![Scandinavian Airlines logo]()
$585
One-way flights from Ireland to San FranciscoSearch for one-way flight options from Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Ireland to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 12/176:00 am -
3 stops42h 05m
Deal found 8/23![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/218:50 am -
3 stops39h 00m
Deal found 8/27![Multiple Airlines logo]()
$503
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 10/209:15 pm -
2 stops26h 40m
Deal found 8/27![Aer Lingus logo]()
$512
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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.
Thu 10/158:30 pm -
2 stops27h 20m
Deal found 8/25![Aer Lingus logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Fri 10/163:15 pm -
3 stops52h 45m
Deal found 8/25![Multiple Airlines logo]()
$531
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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.
Fri 10/167:10 am -
2 stops16h 40m
Deal found 8/25![Aer Lingus logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Sat 9/2611:00 pm -
3 stops47h 05m
Deal found 8/27![Multiple Airlines logo]()
$558
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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 9/86:50 pm -
1 stop27h 45m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$562
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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 12/298:05 pm -
2 stops27h 30m
Deal found 8/23![Aer Lingus logo]()
$564
This Super.com deal was found by Cheapflights users on 8/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:00 pm -
1 stop16h 55m
Deal found 8/23![WestJet logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Fri 9/41:00 pm -
1 stop35h 40m
Deal found 8/23![WestJet logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Fri 9/119:20 pm -
2 stops46h 55m
Deal found 8/23![Multiple Airlines logo]()
$569
Find 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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $526 (SmartFares) |
One-way from | $490 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $1,013 |
Good round-trip deal | $750 or less |
Good one-way deal | $653 or less |
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 7,457,451 searches. Data last updated August 27, 2026.
Use the filters below to find and compare flights from Ireland to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DublinSan Francisco
DUB Dublin - SFO San Francisco
DUBSFO
Dublin
Thu 1/14
12:30 pm-2:50 pm
1 stop34h 20m
San Francisco
Mon 1/18
4:45 pm-11:45 am
1 stop35h 00m
$564
DublinSan Francisco
DUB Dublin - SFO San Francisco
DUBSFO
Dublin
Mon 10/5
7:05 pm-2:40 pm
1 stop27h 35m
San Francisco
Mon 10/12
4:45 pm-6:20 pm
1 stop17h 35m
$577
DublinSan Francisco
DUB Dublin - SFO San Francisco
DUBSFO
Dublin
Thu 9/24
7:05 pm-11:51 pm
2 stops36h 46m
San Francisco
Tue 10/20
4:45 pm-10:25 am
2 stops33h 40m
$704
Quickest round-trip
CorkSan Francisco
ORK Cork - SFO San Francisco
ORKSFO
Cork
Thu 10/1
6:15 am-11:45 am
1 stop13h 30m
San Francisco
Thu 10/15
12:05 pm-2:40 pm
2 stops18h 35m
$722
CorkSan Francisco
ORK Cork - SFO San Francisco
ORKSFO
Cork
Mon 9/21
6:15 am-11:45 am
1 stop13h 30m
San Francisco
Mon 10/5
9:30 am-2:40 pm
2 stops21h 10m
$722
DublinSan Francisco
DUB Dublin - SFO San Francisco
DUBSFO
Dublin
Sun 10/11
5:55 am-11:45 am
1 stop13h 50m
San Francisco
Sat 10/24
6:20 am-10:00 am
2 stops19h 40m
$724
DublinSan Francisco
DUB Dublin - SFO San Francisco
DUBSFO
Dublin
Thu 9/24
5:55 am-11:45 am
1 stop13h 50m
San Francisco
Tue 10/20
3:05 pm-6:25 pm
1 stop19h 20m
$724
DublinSan Francisco
DUB Dublin - SFO San Francisco
DUBSFO
Dublin
Thu 11/19
8:50 am-8:36 pm
2 stops19h 46m
San Francisco
Wed 1/6
1:00 pm-6:25 pm
2 stops21h 25m
$725
CorkSan Francisco
ORK Cork - SFO San Francisco
ORKSFO
Cork
Thu 9/24
6:15 am-11:45 am
1 stop13h 30m
San Francisco
Fri 10/9
1:45 pm-4:40 pm
1 stop18h 55m
$726
CorkSan Francisco
ORK Cork - SFO San Francisco
ORKSFO
Cork
Sun 9/6
6:15 am-4:56 pm
2 stops18h 41m
San Francisco
Mon 9/21
11:58 am-2:40 pm
2 stops18h 42m
$727
Showing 1-10 of 46 resultsSorted by cheapest first
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.
DUB-SFO
ORK-SFO
SNN-SFO
CFN-SFO
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
IE0-SFO
DUB-SFO
ORK-SFO
SNN-SFO
CFN-SFO
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 $569). Flying from Ireland to San Francisco in August is currently the most expensive (average of $1,013). 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 August 27, 2026.
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.
How often are flights from Ireland to San Francisco delayed?
About 14% of weekly flights between Ireland and San Francisco have experienced delays in the past year, with the average delay time being 118 minutes.
What is the most punctual flight time for Ireland to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ireland to San Francisco flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.
How far ahead should I book a flight from Ireland to San Francisco?
To ensure you get the cheapest price possible for a flight from Ireland to San Francisco, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 27, 2026.
Read through reviews of airlines operating flights from Ireland to San Francisco, such as Aer Lingus. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Crew
8.1
Overall
7.3
Comfort
7.2
Food
6.7
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DUB - EWR
Entertainment
7.0
Crew
8.1
Overall
7.3
Comfort
7.2
Food
6.7
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,May 2026
DUB - EWR
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Roseville
Rancho Cordova
Fairfield
Burlingame
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
San Carlos
Turlock
Davis
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ireland to San Francisco
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Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ireland to San Francisco by cabin class
Find flights from Ireland to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ireland and San Francisco flights
Browse other Ireland and San Francisco flight options. Last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Ireland to San Francisco flights
Consider these flights traveling from Ireland to San Francisco.
Top airline flying from Ireland to San Francisco
Discover the top airline 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$501 | Average$754 | FlexibilityNo cancel fee | On-timeN/A |