€300 Find Cheap Flights from San Francisco to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Ireland departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Best Ireland Flight Deals from San Francisco

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin2 stops€612
Cork
Cork1 stop€747
Shannon
Shannon1 stop€643
Knock
Knock1 stop€1,134
Milltown (Kerry)
Milltown (Kerry)2 stops€986
Dublin
Dublin2 stops€612
Cork
Cork1 stop€747
Shannon
Shannon1 stop€643
Knock
Knock1 stop€1,134
Milltown (Kerry)
Milltown (Kerry)2 stops€986

Cheap Flights from San Francisco to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to Ireland

Mon, 31 Aug - Wed, 9 Sep
Scandinavian Airlines Logo
16:45 - 10:55
SFO
-
DUB
34h 10m
2 stops
Scandinavian Airlines Logo
11:40 - 14:40
DUB
-
SFO
35h 00m
2 stops
€612Scandinavian Airlines
Mon, 31 Aug - Tue, 15 Sep
Scandinavian Airlines Logo
16:45 - 10:55
SFO
-
DUB
34h 10m
2 stops
Scandinavian Airlines Logo
11:40 - 14:40
DUB
-
SFO
35h 00m
2 stops
€612Scandinavian Airlines
Tue, 8 Sep - Tue, 15 Sep
United Airlines Logo
06:05 - 07:30
SFO
-
SNN
17h 25m
1 stop
United Airlines Logo
12:30 - 19:14
SNN
-
SFO
14h 44m
1 stop
€643United Airlines
Tue, 1 Sep - Wed, 16 Sep
United Airlines Logo
21:25 - 07:30
SFO
-
SNN
26h 05m
2 stops
United Airlines Logo
12:30 - 19:14
SNN
-
SFO
14h 44m
1 stop
€647United Airlines
Thu, 10 Sep - Tue, 15 Sep
Delta Logo
11:30 - 11:10
SFO
-
SNN
15h 40m
1 stop
Delta Logo
13:05 - 21:14
SNN
-
SFO
16h 09m
1 stop
€686Delta
Mon, 7 Sep - Mon, 14 Sep
KLM Logo
11:30 - 11:10
SFO
-
SNN
15h 40m
1 stop
KLM Logo
13:05 - 16:23
SNN
-
SFO
35h 18m
2 stops
€694KLM
Tue, 1 Sep - Wed, 16 Sep
Delta Logo
14:20 - 11:10
SFO
-
SNN
12h 50m
1 stop
Delta Logo
13:05 - 01:24
SNN
-
SFO
20h 19m
1 stop
€696Delta
Sun, 24 May - Tue, 9 Jun
KLM Logo
23:59 - 11:10
SFO
-
SNN
27h 11m
1 stop
KLM Logo
13:05 - 22:35
SNN
-
SFO
17h 30m
1 stop
€718KLM
Tue, 8 Sep - Wed, 16 Sep
Multiple Airlines Logo
12:00 - 14:40
SFO
-
ORK
18h 40m
2 stops
Multiple Airlines Logo
06:15 - 16:03
ORK
-
SFO
17h 48m
2 stops
€752Multiple Airlines
Wed, 19 Aug - Wed, 26 Aug
Multiple Airlines Logo
17:40 - 18:05
SFO
-
ORK
16h 25m
2 stops
Multiple Airlines Logo
07:15 - 20:50
ORK
-
SFO
21h 35m
1 stop
€830Multiple Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Ireland flights

Get data-powered insights and trends into flights from San Francisco to Ireland to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest San Francisco to Ireland flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Ireland from San Francisco found in the last 72 hours was to Dublin, at €653 return. The most popular route is from San Francisco (SFO) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 72 hours was €653.

What is the cheapest time of day to fly to Ireland?

The average price for all round-trip flights from San Francisco to Ireland depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Ireland is generally in the evening, when retur flights cost €774 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €774.

Can I save money by flying with a stopover from San Francisco to Ireland?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 2 stops stopover the cheapest option at €506 on average.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Ireland is November, when tickets cost €302 (return) on average. On the other hand, the most expensive months are July and September, when the average cost of return tickets is €1,563 and €1,148 respectively.

What’s the cheapest day of the week to fly from San Francisco to Ireland?

The average price of all round-trip flights from San Francisco to Ireland clicked on KAYAK for each day over the last 12 months.

When flying from San Francisco to Ireland, you should consider leaving on a Saturday and avoid Tuesdays if you are looking for the best rates. For your return to San Francisco, you’ll find the best rates on Sundays and the most expensive ones on Mondays.

How far in advance should I book a flight from San Francisco to Ireland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from San Francisco to Ireland, you should book around 2 weeks before departure, which saves you about 17% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Find deals

Good to know

Low seasonJanuary
Cheapest flight€300
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly (7% more expensive on average)
Flight from San Francisco to Shannon

Flights from San Francisco to Ireland: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from San Francisco to Ireland 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Aer Lingus
SFO
-
DUB
Jan 2026
If flying to Ireland, the direct flight from SFO to DUB on Aer Lingus is the way to go to avoid the hassles and uncertainty of mid journey stop-overs.
DavidFlew with Aer Lingus
SFO
-
DUB
Dec 2025
Check gate; it’s not in the international terminal

FAQs - booking Ireland flights

  • What is the best means of transport to the city center from DUB airport?

    From Dublin Airport, you may take a taxi to O'Connell Street and other downtown areas, as well as the Connolly and Heuston railway stations and Bus ras, the country's primary bus terminal, to go to other parts of Ireland.

  • Are there rental car services at DUB airport?

    Yes. The rental car companies include Alamo, Avis, and Budget. Simply make your way to the Arrivals Hall of either Terminal 1 or 2 at Dublin Airport if you need to visit the Rental Car Center. You may discover a number of different desks for organizations that have branches at the airport scattered throughout the area where baggage claim is located.

  • Are there hotels near SFO airport?

    Luxury rooms with floor-to-ceiling windows revealing scenic airport and bay vistas await you. Next to San Francisco International Airport lies the luxurious Grand Hyatt at SFO. The hotel's position near the airport's main entrance makes it easy to access by car or the SFO AirTrain from any terminal.

  • Are there parking spots at SFO airport?

    There are five lots that are utilized for on-site parking at San Francisco International Airport, and they are the Domestic Garage, International Garage A, International Garage G, Long Term Garage, and Long Term Surface. Valet parking is also available at the airport.

  • How does KAYAK find such low prices on flights from San Francisco to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from San Francisco to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Francisco to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ireland

  • If you are flying to Ireland, you can access two major airports. They include the Dublin Airport and Shannon Airport. Dublin Airport serves as the major airport connecting domestic and international flights while Shannon airport acts as secondary airport serving the same duties as that of the main airport.
  • If you have just arrived at San Francisco International Airport and want to relax, you are welcome to use the airport's lounges. The American Express Centurion Lounge is a luxurious airport lounge that provides some of the world's best food and wine to passengers departing from or transiting through San Francisco International Airport. You will have a great day with everything from the free Wi-Fi to the delicious local fare to the wine tasting.
  • There are 19 lactation facilities available to moms traveling through SFO, including 13 spacious, luxurious, and discrete nursing rooms. Breastfeeding and pumping women may use these private rooms at the airport. There are breastfeeding rooms available at Terminals 1, 2, and 3 for use before and after travelers clear security.
  • At San Francisco International Airport, there are one or two authorized spaces for animal relief in each terminal. Once a traveler has passed through security at either Terminal 1 or Terminal 3, they may use the terminal's amenities. Outdoor pre-security checks may be found at the terminal curbside on the Arrivals Level; just follow the painted paw-prints. The airport's perimeter is where these checkpoints are set up.
  • Both the SFO and the Ireland airports (DUB and SNN) have extensive facilities to assist passengers with disabilities. When you arrive, depart, or have already arrived at the airport, you may get help renting a wheelchair and getting about the terminal. Whenever you find you need it, feel free to take advantage of this help. Make sure the airline knows ahead of time if you want to take advantage of their optional extras.

Reviews of the top airline flying from San Francisco to Ireland

 
Need help choosing which airline to fly with from San Francisco to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.3
Aer LingusOverall score based on 1536 reviews
7.2Comfort
7.0Entertainment
8.1Crew
7.4Boarding
6.6Food
Airline reviews

Satin first class and absolutely no snacks are offered. Surface was awful.

2.0 MediocreDiane, Apr 2026
CDG - DUB
Read more Aer Lingus reviews

Satin first class and absolutely no snacks are offered. Surface was awful.

This was the smoothest flight I've ever taken with any airline, including Aer Lingus. Typically, there are moments when I feel afraid, but from take off (miraculously seamless!) to cruise, to landing this was a perfect flight. Thank you!

Poor. Plane left EWR late hence missed connecting flight in Dublin. No pro active info from flight staff on connection, only when probed a couple of lies on where we would dock, and on lilelyhood catching connecting flight. Lies as they will have known our EWR-DUB would be parked furthest away from the transit spit - lying it would be next to the AMS flight.

The crew was friendly. The plane was comfortable. In-flight wifi didn't work well at all. The ride was quite turbulent but understandable given the weather.

The seat area was way too compact. The person in front reclined, and the TV screen was right in my face. There was a metal box secured to the floor in my foot area, further limiting space. Food was OK. The last service was provided too late in the flight, so the crew was rushing at the end. The ticket counter in the Naples airport was extremely slow. The staff on the flight was friendly.

delayed flight stayed whole night at washington Dallas airport at seats , uncomfortable . i am senior citizen , very tired , worst travel.

I heard that the pilots were actually leprechauns, but I was not able to confirm. Can you please provide documentation if this is true?

The check in process at the front desk felt slow and it was frustrating that we could not check in online. Everything about the actual flight was great, including very kind flight attendants and a nice larger bathroom. Only thing is that it was very cold in the plane!

I flew economy class. Seats were very good and the crew was excellent

I had a great experience. I would definitely use them again

Everything you need to know for your flight from San Francisco to Ireland

Information on your arrival and departure airports

San Francisco (SFO)