SFO

€266 Find Cheap Flights to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Francisco departing on 18/8. 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

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results for flights to San Francisco
These are the airlines KAYAK users have selected most often from within our search results for flights to San Francisco
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Flights Deals

Cheap Flights to San Francisco

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to San Francisco 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 to San Francisco

Tue, 25 Nov - Fri, 5 Dec
Scandinavian Airlines Logo
11:30 - 14:35DUB-SFO
59h 05m2 stops
Scandinavian Airlines Logo
16:40 - 11:45SFO-DUB
59h 05m2 stops
€353Scandinavian Airlines
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Sat, 4 Oct - Thu, 23 Oct
Scandinavian Airlines Logo
20:05 - 16:30DUB-SFO
28h 25m2 stops
Scandinavian Airlines Logo
19:40 - 09:25SFO-DUB
29h 45m1 stop
€354Scandinavian Airlines
Find Deal
Fri, 26 Sep - Wed, 1 Oct
KLM Logo
20:45 - 11:45DUB-SFO
23h 00m1 stop
KLM Logo
06:15 - 07:55SFO-DUB
17h 40m1 stop
€456KLM
Find Deal
Fri, 26 Sep - Wed, 1 Oct
United Airlines Logo
09:20 - 15:28DUB-SFO
14h 08m1 stop
United Airlines Logo
07:25 - 11:10SFO-DUB
19h 45m2 stops
€467United Airlines
Find Deal
Fri, 12 Sep - Fri, 19 Sep
United Airlines Logo
09:20 - 19:38DUB-SFO
18h 18m1 stop
United Airlines Logo
07:10 - 07:45SFO-DUB
16h 35m1 stop
€468United Airlines
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Tue, 24 Jun - Wed, 23 Jul
British Airways Logo
10:30 - 20:58DUB-SFO
18h 28m2 stops
British Airways Logo
19:20 - 17:30SFO-DUB
14h 10m1 stop
€487British Airways
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Fri, 26 Sep - Wed, 1 Oct
Aer Lingus Logo
12:55 - 15:50DUB-SFO
10h 55mdirect
Aer Lingus Logo
17:45 - 11:45SFO-DUB
10h 00mdirect
€494Aer Lingus
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Tue, 16 Sep - Fri, 26 Sep
KLM Logo
17:05 - 11:45ORK-SFO
26h 40m1 stop
KLM Logo
13:45 - 22:25SFO-ORK
24h 40m1 stop
€503KLM
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Mon, 29 Sep - Wed, 8 Oct
British Airways Logo
15:20 - 13:50DUB-SFO
30h 30m1 stop
British Airways Logo
19:20 - 09:50SFO-DUB
30h 30m1 stop
€503British Airways
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Fri, 3 Oct - Fri, 10 Oct
Aer Lingus Logo
13:00 - 15:55DUB-SFO
10h 55mdirect
Aer Lingus Logo
17:45 - 11:45SFO-DUB
10h 00mdirect
€508Aer Lingus
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KAYAK's insights & trends for flights to San Francisco

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

What is the cheapest month to fly to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to San Francisco, 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 to San Francisco is February, where tickets cost €497 on average for return flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Ireland is €787 and €704 respectively. For one-way flights, the best month to travel is February with an average price of €497.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to San Francisco, 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, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 12 weeks before departure.

Good to know – Book Cheap San Francisco Plane Tickets

Low seasonJanuary
High seasonJuly
Cheapest flight€266
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (35% more expensive on average)
Flight from Dublin to San Francisco

When to book flights to San Francisco

Are your dates flexible? Find out the best times to travel to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to San Francisco based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs - booking San Francisco flights

  • How far is San Francisco Airport from central San Francisco?

    The distance between San Francisco Airport and the city centre of San Francisco is 19 km.

  • What is the name of San Francisco’s airport?

    All flights to San Francisco land at San Francisco Airport. The airport code is SFO,and it can also be referred to as San Francisco or San Francisco Intl.

  • How much is a flight to San Francisco?

    On average, a flight to San Francisco costs €667. The cheapest price found on KAYAK in the last 2 weeks cost €480 and departed from Dublin Airport.

  • What is the cheapest day to fly to San Francisco?

    Based on KAYAK data, the cheapest day to fly to San Francisco is Monday where round-trip tickets can be as cheap as €558. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are €771 on average.

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

    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 to San Francisco.

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

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

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco 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 to San Francisco?

    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 to San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to San Francisco?

    The cheapest time of day to fly to San Francisco is generally at night, when round-trip flights cost €613 on average. The most expensive time of day to fly to San Francisco is generally in the evening, which is peak travel time and where the average cost of a ticket is €1,104.

  • How many direct flights to San Francisco are there each week?

    Each week there are around 7 direct flights from within Ireland to San Francisco. The most common day for departures is Sunday, with 14% of flights taking off on this day.

Top tips for finding cheap flights to San Francisco

  • Looking for cheap airfare to San Francisco? 25% of our users found return tickets to San Francisco for the following prices or less: From Dublin €583
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Francisco flight deals.

Prefer to fly direct to San Francisco?

Find which airlines fly direct to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Ireland to San Francisco

Monday

AIR PREMIA, ANA, Aer Lingus, +78 more

AIR PREMIA, ANA, +79 more

Tuesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Friday

AIR PREMIA, ANA, Aer Lingus, +78 more

AIR PREMIA, ANA, +79 more

Saturday

AIR PREMIA, ANA, Aer Lingus, +80 more

AIR PREMIA, ANA, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +80 more

AIR PREMIA, ANA, +81 more

See more direct flights

Direct returns

San Francisco to Ireland

Monday

AIR PREMIA, ANA, Aer Lingus, +78 more

AIR PREMIA, ANA, +79 more

Tuesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Friday

AIR PREMIA, ANA, Aer Lingus, +78 more

AIR PREMIA, ANA, +79 more

Saturday

AIR PREMIA, ANA, Aer Lingus, +80 more

AIR PREMIA, ANA, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +80 more

AIR PREMIA, ANA, +81 more

See more direct flights
See more direct flights

Top 5 airlines flying to San Francisco

 
See real verified KAYAK customer reviews for airlines flying to San Francisco. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Ireland to San Francisco. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to San Francisco? 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.
7.8
KLMOverall score based on 1358 reviews
7.1Entertainment
7.7Comfort
7.2Food
7.8Boarding
8.4Crew
Airline reviews

Klm start boarding while somw air issue in the plan

8.0 ExcellentA, Jun 2025AMS - YYZ
Read more KLM reviews

Klm start boarding while somw air issue in the plan

The service was great. However the lounge only gets passing grade

I appreciate that KLM was proactive in informing me of the 2 hour delay which enabled me to replan my travel. It was a bit stressful not knowing whether my connection from Montreal to Ottawa was happening. But the ground and air crew did a good job at comforting and assuring me.

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

This portion of the flight was through Indigo. A local carrier. So all economy seating. No real service some refreshments for purchase standard economy stuff.

You should not have to pay for WiFi in business class

Transfer at Amsterdam airport is very convenient and the airport is easy to navigate. Boarding was also quick and easy. Cabin crew were excellent and the meals were good, although lacking in options.

Overall very positive. Boarding was quick and organized. Cabin was clean and seats were reasonably comfortable. Cabin crew was excellent and the meals provided were also of good quality

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Airbus plane, nice and polite staff, entertainment even as it was a short flight.

United out of SFO is having issues with catering so none of our meals were loaded on the plane and no offer of compensation for our tickets purchased was offered.

Its good expeince but in enternteiment please be like you tube the music i like or movie

I needed to make changes to my flights. When I called customer service, they assisted me with care professionalism.

A bit rush for transit. Food and entertainment are not available

The gate was too far away for the connecting flight

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

headphone jack didnt work for the first flight and not much variety

The agents was very rude and they charged me $50 for a carry-on bag saying that it was too big and then I saw someone going on a plane with the same size bag as me

Honestly, I haven’t flown American in years, probably due to the pandemic and my being unable to travel for certain periods in the last two years, but it was a good experience to dig out or obtain a new American Airlines account after many years of traveling for business with American in the past.

Long 5 hour and 45 min flight and only one drink service and cookie snack

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Flight boarded from Gate 39 at OGG, the farthest gate in the terminal. There were no Hawaiian themed amenities for the flight. The first class service was mediocre at best; I received not special welcome or recognition as an executive platinum member of American Advantage program. The flight attendants were more concerned with their cell phones than saying "thank you" to the passengers as we disembarked. Fortunately, the flight arrived at LAX a few minutes early.

Bigger seats. Board back to front! Disembark front to back!

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

This flight didn’t happen because AA agents didn’t let us board the flight

Plane was pretty clean, staff was friendly and helpful, flight left about on time arrived early. Took a long time to board and get off the plane - carry on items didn't have enough room so people had to move all around to find places.

The service and food needs to improve to catch up with other international flights

Would have been good to have a meal since it was a 5.5 hour flight

I would definitely use a Linus again, the price was right, the service is excellent. No delays. Wish I had a direct flight from my hometown Detroit.

At check-in the unmanned machines said QR code was invalid so had to queue for over an hour to check in bags

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

Nicest staff I’ve experienced on a plane! Good food, great entertainment, and they gave out little blankets that my kids loved. All in all, great experience.

Unfortunately the flight was delayed for 50 min. Just as we were about to board so that was a drag. The boarding was average. The bag check in process was new to us and efficient. And the flight itself was smooth- basically no turbulence.

I liked how they looked after couples by providing a row of 4 seats if available.

It was ok not that much because I always travel with Emirates airlines, Etihad, airlines, Qatar airlines compare to them food and comfortable was too low . Staff was good . Helpful

Noted in last review. Good to know, though air Lingus on European flights does not offer any food or drink, even though we were on the plane for 3 1/2 hours from Naples to Dublin everything you had to purchase even water.

Seats were alarming close to the row in front of you. I didn’t do the measurements online, which I’m sure they’re available, but it seemed much tighter than other planes, but the airplane itself was well maintained and looked fairly new. My only complaint on the staff was that we’re on an international flight. Normally they give you wine with dinner and the flight attendant decided to pull some strict restrictions and wouldn’t give more than one glass of wine per person, and you could not share with your spouse, which seemed ridiculous when we have four people on the plane with us and only one person ordered wine asked for a second one and she said oh absolutely not. It’s only one per person Which on a transcontinental usually is not the case. They’re very attentive on making sure everyone is as comfortable as possible.

Boarding seemed a bit chaotic and we had to walk outside across the tarmac. Passengers of all ages had to drag carry on luggage up the outside stairway into the aircraft. There was no WiFi. Very uncomfortable crammed seats. Glad in-air time was only an hour!

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

Our luggage didn’t arrive with us, that puts a damper on the whole trip.

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

This flight from London to Chicago was actually on an AA airline. I did book through BA but the flight was AA. Great flight, hectic in Chicago, I wouldn't choose to fly through Chicago again, but that's not the airlines fault. The flight itself was great.

Push back is not working when I complaint a male staff he told me that most of the seats are like that so we can’t do anything

Seats were way too small. I got claustrophobic waiting for trash from meal to be taken away. I couldn't move to even close my tray until trash was taken.

Was 3 hrs delayed and my poor friend I met in Barcelona was waiting at airport for 3 hrs. Dallas airport was awful

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Everything you need to know for your flight to San Francisco

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