€435 Find Cheap Flights from Shannon to San Francisco Bay Area

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Shannon to San Francisco Bay Area departing on 23/5. 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco Bay Area

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Shannon to San Francisco Bay Area, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Shannon to San Francisco Bay Area, as well as popular online travel agencies
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Best San Francisco Bay Area Flight Deals from Shannon

Cheapest return prices found by our users on KAYAK in the last 72 hours

San Francisco
San Francisco2 stops€627

Cheap Flight Deals from Shannon to San Francisco Bay Area (SNN-zzXIH)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Shannon 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.

Recent return flight deals from Shannon to San Francisco Bay Area

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Shannon to San Francisco Bay Area.
Discover the best prices for you by selecting your travel dates on KAYAK.
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07:40 - 15:50SNN-SFO
40h 10m2 stops
17:45 - 20:35SFO-SNN
18h 50m2 stops
€627Aer Lingus
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Mon, 12 May - Mon, 19 May
12:30 - 21:41SNN-SFO
17h 11m1 stop
08:00 - 10:15SFO-SNN
18h 15m2 stops
€637United Airlines
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Mon, 12 May - Mon, 19 May
07:40 - 15:55SNN-SFO
40h 15m2 stops
17:45 - 20:35SFO-SNN
18h 50m2 stops
€656Aer Lingus
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Sun, 20 Apr - Sat, 3 May
07:40 - 17:15SNN-SFO
17h 35m1 stop
16:20 - 20:35SFO-SNN
20h 15m1 stop
€672American Airlines
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Mon, 12 May - Mon, 19 May
07:40 - 18:53SNN-SFO
19h 13m2 stops
22:33 - 05:55SFO-SNN
23h 22m1 stop
€702American Airlines
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Sun, 20 Apr - Sat, 3 May
07:40 - 19:20SNN-SFO
19h 40m1 stop
19:40 - 20:35SFO-SNN
16h 55m1 stop
€797
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Sun, 20 Apr - Sat, 3 May
07:40 - 23:43SNN-OAK
24h 03m2 stops
09:23 - 11:20OAK-SNN
17h 57m2 stops
€1,029British Airways
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Mon, 14 Apr - Fri, 18 Apr
21:15 - 14:35SNN-SFO
25h 20m2 stops
07:10 - 00:15SFO-SNN
33h 05m3 stops
€1,099
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Mon, 12 May - Mon, 19 May
10:15 - 10:35SNN-SFO
32h 20m2 stops
10:15 - 16:05SFO-SNN
21h 50m3 stops
€1,264
Find Deal
Sun, 20 Apr - Sat, 3 May
23:15 - 23:58SNN-SFO
32h 43m3 stops
07:10 - 00:15SFO-SNN
33h 05m3 stops
€1,499
Find Deal
Mon, 12 May - Mon, 19 May

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

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

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

The average price for all round-trip flights from Shannon 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 €706 on average. The most expensive time of day to fly to San Francisco Bay Area is generally in the morning, which is peak travel time and where the average cost of a ticket is €706.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Shannon 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 Shannon to San Francisco Bay Area is March, when tickets cost €568 (return) on average. On the other hand, the most expensive months are July and April, when the average cost of return tickets is €902 and €763 respectively.

Good to know

Low season

March

High season

June

Cheapest flight

€435
Best time to beat the crowds (18% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from Shannon to San Francisco

FAQs - booking San Francisco Bay Area flights

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Shannon 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 Shannon 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 Shannon 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 Shannon 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 Shannon to San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Shannon to San Francisco Bay Area

 
See real verified KAYAK customer reviews for airlines flying from Shannon to San Francisco Bay Area. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. 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 Shannon 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 8603 reviews
7.0Entertainment
6.6Food
7.3Comfort
7.7Boarding
8.1Crew
Airline reviews

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 ;)

8.0 ExcellentMaryann, Mar 2025EWR - SFO
Read more United Airlines reviews

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 ;)

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

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

For the most part united was a good experience, how ever when they came by with the snacks and water, they completely passed by my wife and I. As we were in separate rows. On a 5 hr flight we were not offered water

Fantastic crew. Flight was delayed at last minute but we were given updates every 20 minutes and the crew was so friendly and considerate. I miss the touch screens on the back of the seats, wish they would bring that back though.

Beijing PEK to SFO. I had an economy seat on this flight. The seat comfort was acceptable. My main complaint is with the FA’s lack of personality and absence from servicing the plane, specifically restroom care (I wish I could share a pic of the restroom that I captured) and care of travelers—drink cart/availability of drinks. I'm amazed at the level of service on other International travel where a passenger is most often appreciated.

Great. Food going from Australia to the US was better than other way around, but still needs improvement in terms of quality and quantity!!!

I feel bad, but Swiss airlines is not an airlines I will ever fly again. Their cabins are basic, seats are extremely uncomfortable, crew is a hit or a miss with service. What's worse is how they make you feel they are there to make money and not make your travel needs be met or make your travel a pleasure. They charge for 2nd bags, seat selection and felt like a budget arinines frontier/spirit airline attitude and approach. Their business class is from the early 2000s, basic. Additionally, planes going to India, are old, falling apart and not maintained. Even the crew mentioned this is typical of the airline having older planes going to India. Panels detached and loose or stuck with duct tape, seats scruffed up and dirty, seatbelts roughed up. The scariest thing was when I saw a window panel next to where I was sitting loose and dangling. The crew mentioned it's only cosmetic and assured the integrity of the plane was inspected by the maintenance crew. This is where they confessed about planes going to India being old. I UNFORTUNATELY would NOT recommend Swiss airlines to anyone and will NEVER fly with them again!

The ANA crew and their members were all extremely nice and caring. Shout out to the crews for working on Christmas and New Years. Y'all the real MVP

Delayed flight due to lack of crew caused me to miss my connection

Please make sure the number of seats matches the number of overhead bins and passengers don't carry on more than one bag.

Seating is tight if you don’t upgrade. Food was decent. Boarding and unboarding was efficient. Smooth flight. Could make upgrades more affordable

Boarding was chaotic. Glad we were group 5 and still had cabin storage available when we boarded. I was expecting crew would get our carryons at the gate since theyclaimed it was a full flight.

Boarding crew is unfriendly as i was asked to handover carryon luggage too upto final destination Bangalore I was not prepared for that and i had to travel without my diabetic and hypertension medicines

American Airlines seemed to run a 'dry' flight. No alcohol was offered at any point with meals. Breakfast was a bit tasteless. The 'hot pocket' whatever that is, was horrid breadish pastry with very little filling. Decaf coffee was horrid. Seats didn't seem as wide or spacious as usual, especually for a ten hour flight.

They did not provide free WiFi, It could be purchased for, I think, around $25, This seemed excessive.

Less than average, low level of shared required information needed during the transfer from airport to another, also the used team during boarding In Indianapolis station is Not Professional

Reliable, great value, but not outstanding in any aspect. This is similar to the experience you get in most international carriers like Etihad or Delta.

Flight got diverted because of an emergency and the crew were fantastic and probably saved that passenger’s life. While in emergency landing some measures could have been taken to prevent additional delays. In general not great experience with BA. I used to fly BA years ago all the time, very disappointed by the whole experience, seats were tight, bathrooms tight.

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

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