€373 Find Cheap Flights to San Francisco Bay Area – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ireland to San Francisco Bay Area departing on 20/10. 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 San Francisco Bay Area Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours
San Francisco
San Francisco1 stop€485
San Jose
San Jose2 stops€599
San Francisco
San Francisco1 stop€485
San Jose
San Jose2 stops€599

Book Cheap San Francisco Bay Area Plane Tickets

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

Thu, 27 Aug - Wed, 9 Sep
Scandinavian Airlines Logo
19:05 - 14:40
DUB
-
SFO
27h 35m
1 stop
Scandinavian Airlines Logo
16:45 - 18:20
SFO
-
DUB
17h 35m
1 stop
€485Scandinavian Airlines
Thu, 27 Aug - Wed, 9 Sep
Scandinavian Airlines Logo
19:05 - 14:40
DUB
-
SFO
27h 35m
1 stop
Scandinavian Airlines Logo
16:45 - 18:20
SFO
-
DUB
17h 35m
1 stop
€487Scandinavian Airlines
Thu, 27 Aug - Wed, 9 Sep
Scandinavian Airlines Logo
19:05 - 14:40
DUB
-
SFO
27h 35m
1 stop
Scandinavian Airlines Logo
16:45 - 18:20
SFO
-
DUB
17h 35m
1 stop
€488Scandinavian Airlines
Wed, 14 Oct - Fri, 23 Oct
KLM Logo
06:15 - 11:45
ORK
-
SFO
13h 30m
1 stop
KLM Logo
10:35 - 10:20
SFO
-
ORK
15h 45m
2 stops
€602KLM
Wed, 14 Oct - Wed, 21 Oct
KLM Logo
06:15 - 17:05
ORK
-
SFO
18h 50m
2 stops
KLM Logo
17:15 - 16:35
SFO
-
ORK
15h 20m
2 stops
€607KLM
Sat, 29 Aug - Sat, 5 Sep
British Airways Logo
20:15 - 22:11
DUB
-
SJC
33h 56m
2 stops
British Airways Logo
14:30 - 16:20
SJC
-
DUB
41h 50m
2 stops
€612British Airways
Thu, 27 Aug - Sun, 6 Sep
United Airlines Logo
12:30 - 19:14
SNN
-
SFO
14h 44m
1 stop
United Airlines Logo
10:43 - 10:15
SFO
-
SNN
15h 32m
2 stops
€628United Airlines
Tue, 25 Aug - Tue, 1 Sep
United Airlines Logo
09:30 - 17:34
SNN
-
SFO
16h 04m
2 stops
United Airlines Logo
05:00 - 10:15
SFO
-
SNN
21h 15m
2 stops
€628United Airlines
Thu, 3 Dec - Mon, 7 Dec
British Airways Logo
17:30 - 22:10
SNN
-
OAK
36h 40m
2 stops
British Airways Logo
13:11 - 11:30
OAK
-
SNN
38h 19m
2 stops
€740British Airways
Fri, 25 Sep - Tue, 29 Sep
American Airlines Logo
07:10 - 10:53
ORK
-
SJC
35h 43m
2 stops
American Airlines Logo
06:00 - 10:45
SJC
-
ORK
20h 45m
2 stops
€841American Airlines
Booking Insights

KAYAK's insights & trends for flights to San Francisco Bay Area

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

What is the cheapest flight to San Francisco Bay Area?

These are the best return prices found by users searching on KAYAK in the last 5 days.

The cheapest ticket to San Francisco Bay Area from Ireland found in the last 5 days was to San Francisco, at €604 return. The most popular route is Dublin (DUB) to San Francisco (SFO) and the cheapest return ticket found on this route in the last 5 days was €604.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ireland to San Francisco Bay Area, 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 Ireland to San Francisco Bay Area is November, when tickets cost €300 (return) on average. On the other hand, the most expensive months are March and April, when the average cost of round-trip tickets is €434 and €393 respectively.

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

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

The cheapest time of day to fly to San Francisco Bay Area is generally in the morning, when retur flights cost €671 on average. The most expensive time of day to fly to San Francisco Bay Area is generally in the afternoon, which is peak travel time and where the average cost of a ticket is €692.

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

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 Bay Area, 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 Ireland to San Francisco Bay Area, you should book around 2 weeks before departure, which saves you about 22% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Which is the cheapest airport to fly into in San Francisco Bay Area?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in San Francisco Bay Area is San Francisco Airport (SFO), with an average flight price of €1,111.

Good to know

Low season

February

Cheapest flight

€373
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from Shannon to San Francisco

Flights to San Francisco Bay Area: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew to San Francisco Bay Area 
MichelleFlew with Aer Lingus
DUB
-
SFO
May 2025
Make sure you arrive well ahead of the flight. We were lucky that security lines were pretty short but they could be very long and you do US customs and security in Dublin.
NinaFlew with Aer Lingus
DUB
-
SFO
Nov 2024
Make sure you include extra time to pass through US Border Control if you’re flying to the US! Also Aer Lingus bag drop closes 75 mins before flight departure for long haul so bear that in mind!

FAQs - booking San Francisco Bay Area flights

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

    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 Ireland to San Francisco Bay Area.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ireland to San Francisco Bay Area 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 Ireland to San Francisco Bay Area?

    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 Ireland to San Francisco Bay Area 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 Ireland to San Francisco Bay Area?

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

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

    Based on KAYAK data, the cheapest day to fly to San Francisco Bay Area is Sunday when return tickets can be as cheap as €521. On the other hand, the most expensive day to fly is Monday, when return prices are €778 on average.

Top tips for finding cheap flights to San Francisco Bay Area

  • Looking for cheap airfare to San Francisco Bay Area? 25% of our users found return tickets to San Francisco Bay Area for the following prices or less: From Dublin €845
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Francisco Bay Area flight deals.

Reviews of the top 5 airlines flying to San Francisco Bay Area

 
See real verified KAYAK customer reviews for airlines flying to San Francisco Bay Area. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Ireland to San Francisco Bay Area. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ireland to San Francisco Bay Area? 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.
7.4
United AirlinesOverall score based on 9994 reviews
7.7Boarding
7.1Entertainment
8.1Crew
7.3Comfort
6.6Food
Airline reviews

It was a short, comfortable flight. It did leave an hour late due to the pilot having to be replaced (family emergency) but that didn’t inconvenience myself & my friend. The situation was explained, eventually.

8.0 ExcellentCheryl, Jul 2026
SFO - SBP
Read more United Airlines reviews

It was a short, comfortable flight. It did leave an hour late due to the pilot having to be replaced (family emergency) but that didn’t inconvenience myself & my friend. The situation was explained, eventually.

There was a piece of plastic baked into my buttermilk biscuit! I have a pictures. The flight attendants in first class were really apologetic, and tried to rectify the situation. I I am very appreciative that they were able to give me some packets of pretzels and gummy bears. I understand they don't personally handle the food until warming it up so I know it wasn't their fault. I don't know whether it was a newer aircraft, or different food packaging, but I was happy that when the food was being warmed up - it didn't smell like plastic. Jokes on me with finding plastic in my food.

The seats were uncomfortable, as if the cushions haven't been switched out in many years. I felt like I was on an old bus. The food was delicious. thank you. Onboard entertainment, very limited. Unless you like violent movies. Why in the world would you have such severely violent movies on a plane? if you don't want to see such things, you don't have a choice. Have you considered that when choosing entertainment? Good god. Why would you have the Godfather? Or black women being brutally beaten with a club? Why in the hell would you put that kind of material on a plane? As for Kayak: Why when I ordered Qantas, was the plane on United?

United was excellent. We had very good experience flying the carrier. Certainly. We will opt to fly them for sure. Lufthansa is out.

The seat that I got this time is really good.

UA594 was delayed multiple times. I ended up getting picked up so I can make it in time for work 6AM on Monday, 7/6/2026

Monitor control didn’t work & couldn’t figure out how to lay bed flat so I slept very poorly. Cabin was very cold

Excellent flight. On time. Great staff. Clean and crisp cabin.

The airline was fine, but I did want to share about Kayak's error through Underpricer. The original booking was purchased with ANA, and Kayak booked it with United. This is a mistake that should not be happening, since the price I paid was with ANA and that was my preference. I appreciate the efforts done to make this right by paying for the seat preference, but sitting in the back of the airplane under economy is not enough to make this error right. ANA Airlines was the experience I wanted considering this was a life time experience that my family and I wanted to have as part of our Japanese experience. Please work on your affiliation with Underpricer to make the right bookings that the customer pays for. In my situation, I could of paid less for a United ticket versus my original payment with ANA Airlines.

The Manila airport was under renovation so there was no business class lounge. The double security check was disorganized and the flight attendants were grouchy.

Boarding was fine, difficult to understand the guy over the speaker though so we were unsure when exactly to board until they updated the monitor by the gate. Flight itself was fine, nice flight attendants, seats were comfortable enough, good selection of entertainment on the screens. Other airlines at a similar price point have included wifi though, at a minimum messaging, for free, so that was a little disappointing to not have that. But otherwise fine. Food was pretty decent, nice hot meal, good drink selection, nice snacks. Bathrooms were ok, could've been cleaned a little more often, but they were never bad.

On time, only a little turbulence, very competent and caring attendants. Clear information.

My issue is with the SkyWest terminal. The flight was not listed on the main airport flight screen list, and I had to do a Google search to locate the terminal and gate. We had to ask several airport employees where to locate the phantom gate. The airport did not provide adequate signage and was confusing. When we arrived, there was one vendor providing services that quickly closed, leaving zero options for food and drink while we waited hours for our delayed flight. The crew that assisted with check-in and boarding was VERY friendly.

No complimentary drinks or snacks offered on a 2 hour flight was disappointing but everything else went well

I love the direct flights. It saves a lot of hassle and allows immigration and customs in Ireland, making arrival much easier.

So, the trip from Dublin to LA did not really happen because the flight took off before we could finish the transfer.

The seats needs to be comfortables, at least please add more padding to the seats.

Dinner was fabulous. Would have enjoyed a wine with it. None offered... for sale??? Breakfast was disappointing but adequate amount of food.

The space between seats was reduced even further. Could not even open the tray table fully and got compressed the moment the front guy reclined. For a long haul flight it was extremely uncomfortable.

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 could not ask for more. Great service and experience.

Initial flight had an engine overheat - returned to DFW. Had another plane ready, but crew timed out. Had to wait 5h for boarding. Fully boarded and pilot says plane is not flight worthy. Deplane and go to the other end of the terminal. Wait an hour to board third plane because the crew couldn’t leave the second plane because no wheelchairs were brought to remove passengers. Finally take off and there is no catering (in flight service) even in first class. Very much an AA failure.

I was able to check into my flight through the app and online but had issues getting my boarding pass once I arrived to the airport.

I don’t like the music section but I believe it was a cost decision. I changed my flight last minute due to work issues and had to sit way in the back. The seats were way closer together than I would have preferred.

The plane was up-to-date, and the free wi-fi was very much appreciated! All of the ports functioned well, and the entertainment choices made the flight much more enjoyable. One of the flight attendants was unfriendly, but the flight was enjoyable overall.

The food was good. I almost didn't get a seat on the flight unless I agreed to sit in emergency exit.

I got bumped by Qantas to American Airlines incurring a 6 hr layover at lax. I was not happy

The flight attendant was very polite and attentive. The food was good.

I had a comfortable and enjoyable experience. The entertainment options were plentiful, the food was appetizing, the snacks were tasty, and the staff was friendly, professional, and helpful.

This was my first flight on Aer Lingus and it was great. The plane wasn't full so I could move to a seat with extra room. The food was pretty good for airline food and the staff was nice and attentive. I enjoyed the media provided during my 10 hour flight. We arrived home early and it's always good to be home!

Whole experience was poor. Delayed 2 hours. Lied about the delays. Was all jet blues fault and tried to blame on air traffic control. Sent out other let trips and wouldn't allow people to switch aircraft.

It was fine for what it was. It’s not luxury travel but it was efficient, for the most part. Having my carry-on transferred into luggage however, was unwelcome.

I was seated next to an autistic child who was out of control and had a child behind me kicking my seat for most of the trip. I will never fly JetBlue again. Ever. I don't care how cheap it is. It's terrible.

Great price, easy check in, love the free drinks and snacks, and nice crew. The only negative part was waiting for your seat assignment 5 minutes before boarding, and the seats are a bit uncomfortable.

All airline travel outside of First or Business class is an ordeal to be endured. This trip was ok, small o, small k.

Kayak sucked. You gave me a confirmation number that was not useable by the jet blue system. Nor did you send any check in emails. I’ll not be using your site again. Nice work.

Flight emergency landed in Chicago due to “Odor” in back of plane . Had to buy ANOTHER TICKET to get to Boston cash out of my own pocket . Then they would notchange my return flight time without a 400. Charge!!!! Insulting.

we were an hour delayed after boarding and given no reason. Headsets cost money. Also there were openrows with no one setting in them but we were told we were not allowed to swtich.

Crew were fantastic and so catering and wonderful! Full score for the entire crew!

Very pleasant flight attendants. Gate crew rather loud chatting with each other.

I was sent an email that said my card payment was not verified. When I spoke to an agent , he said my card was not verified and the flight I thought I had to booked was no longer available so I booked another flight on another airline(United). Later I got flight updates , etc., concerning my supposed first flight. So if I was charged for this flight on British Airways/American airlines, I need a refund.

Generally very good. I think their service is better than some other big names I used to travel with. Their food variety is second to none - and you can place order beforehand. Their seating design is a bit awkward for service, I'd say. Flight attendants must be tall enough - long legs and arms - to reach the window seat passenger while crossing over the isle passenger. Also appreciated the variety on entertainment.

Lovely big plane. Excellent take off and landing. Cabin crew were so nice. Flight in time no delays

Los Angeles to London. 25th of April 2026. Business class. I was flying backwards with a complete stranger snoring next to me. In Business class. Males and females, strangers lying next to each other. Seats were backwards. I paid for comfort. I got dizziness and stress.

The crew has always been great on BA. They are very friendly and accommodating. I like that they have vegetarian options already in the menu. And the free wine is a nice perk.) I noticed (both directions of my trip) minor upgrades/ replacements needed on the plane itself (touch screen didn't work with touch; bathroom light didn't go on). However, this is one of my favorite airlines.

There was a delay for the San Francisco-London flight, but we were all informed via text and email. The staff was very friendly and nice and the food was good. I do recommend that the airline offer something without eggs or something vegan for the vegetarian meal option. A lot of Indians are lacto-vegetarian, while some could be allergic to eggs/dairy.

Crew were nice, food was good. Boarding was horrendous. We were driven around the airport in a bus forced to climb a long flight of very steep stairs with no adequate handrails to board the plane . In many many years of flying to the US I have never been required to do this . There was no assistance for those needing help getting up the stairs to the plane. A fellow passenger helped me. No idea how other elderly, physically limited passengers or those with young children managed . It was a full flight with crowds trying to get up the stairs. It was an accident waiting to happen.

Horrible, the plane is just old and junky...Filthy restroom, seat was as hard as rock. The food, mystery side dish, inedible..geez..just Horrible. Never flying BA again

the service on Business class should be improved to be at par with industry leaders like Cathay Pacific and Singapore AIrlines. A lot of room for improvement.

Entertainment devices on A380 need to be fixed, the seats might do with updates.

Everything you need to know for your flight to San Francisco Bay Area

Cabin class types available on flights to San Francisco Bay Area

Cabin classes available on flights to San Francisco Bay Area. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.