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SNN - SFO

Find cheap flights from Shannon to San Francisco from €619

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 departing on 5/9. 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
0 bags
Wed 5/6
Wed 12/6

Search 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 in flight searches from Shannon to San Francisco, 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, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,573,820 times on KAYAK, and here's why:

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Cheap flight deals from Shannon to San Francisco (SNN-SFO)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Shannon 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 and deals for you by selecting your travel dates.
Choose your dates
09:30 - 00:04SNN-SFO
22h 34m2 stops
05:00 - 07:30SFO-SNN
18h 30m2 stops
€631United Airlines
Find Deal
Wed, 5 Jun - Wed, 19 Jun
21:25 - 13:15SNN-SFO
23h 50m1 stop
19:20 - 20:35SFO-SNN
17h 15m1 stop
€790American Airlines
Find Deal
Wed, 5 Jun - Wed, 19 Jun

Flights from Shannon to San Francisco - Travel Insights & Trends

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

Which airlines provide the cheapest flights from Shannon to San Francisco?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on KLM (€619) and British Airways (€894). The cheapest round-trip tickets were found on United Airlines (€631) and American Airlines (€790).

Good to know

Low season

April

High season

June

Cheapest flight

€619
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from Shannon to San Francisco

When to book flights from Shannon to San Francisco

Are your dates flexible? Find out the best times to travel from Shannon 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. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Shannon to San Francisco

  • What is the cheapest flight from Shannon to San Francisco?

    In the last 3 days, the lowest price for a flight from Shannon to San Francisco was €666 for a one-way ticket and €679 for a return.

  • Which aircraft models fly most regularly from Shannon to San Francisco?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Shannon to San Francisco?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Shannon and San Francisco, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Shannon 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 from Shannon to San Francisco.

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

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

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

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

    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 from Shannon 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

 
See real verified KAYAK customer reviews for airlines flying from Shannon to San Francisco. 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? 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 11090 reviews
7.2Comfort
6.7Food
7.1Entertainment
8.1Crew
7.7Boarding
Airline reviews

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

2.0 MediocreTed, May 2024IAD - SFO
Read more about United Airlines reviews

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

My bag was lost with my medicine and I am very inconvenienced. I don’t know what happened, however I want you to do a better job on getting people’s bag back

Do not like the feeling of being in the basic economy. Everyone should feel good no matter what.

So so. Terrible aircraft choice for that leg of the flight.

Our seat tv didn’t work All the rest was perfect

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

Meals were adequate but could be better. Lots of movies, podcasts, tv shows. We really enjoyed using our personal headsets highly recommended. 15 hrs flight great to travel at night.

This was a Lufthansa flight. Disappointing main meal. Very rough over Canada and arrival at FRA. IFE was almost unusable.

the plane was old. the wifi didn’t work. the entertainment was boring and dated. the charging ports were impossible to find. i was mostly ignored by flight attendants that had no problem speaking to the man beside me. i got two drinks the entire time i was on the plane.

Quit making seats narrower and narrower. The guy beside me spilled over in to my seat.

Touchscreens do not work. WiFi did not work. Food is possibly the worst on any European airline. Drinks came by only four times on a cross-Atlantic. The plane was two hours late because—it was announced—Lufthansa didn't have enough large aircraft in their fleet to accommodate an on-time flight.

It was freezing in the airplane. Everyone was wearing everything they had with them. The crew acknowledged it was cold, but did nothing about it

The flight attendants were superb and the service was outstanding. Some passengers with small children were very rude and inconsiderate, kids were constantly crying and some were running around the aisle unsupervised.

Terrible. There was a rattling noise the whole flight. The internet didn't work after I paid. Boarding is very disorganized.

Horrible flight attendant in back of economy that screamed at me, have already reported to United. Horrible food - for Gluten free, why would you assume the person is vegetarian? I was served some kind of horrible curry bean paste and multiple cold rolls and soggy vegetables with no seasoning... um no!

The crew member put her luggage and boxes behind my seat so I was able to recline while the passenger in front of me did for 8 hours. My knees were forced against the seat for hours :(. Dude sitting next to me hasn't showered in weeks so I almost threw up.

Sorry my last review for prg to fra was for this flight. My prg to fra flight was fine but my second flight back to Washington DC was with a slow awful crew who wouldn’t come in a timely manner to take trash and take trash before serving coffee tea and was shoving other people’s bottles of water on me when we were not traveling together

Lufthansa was amazing. Definitely upgrade your seat if you can swing it - they take very good care of their passengers. Customs in DC is nothing short of a nightmare though. Stood in line waiting to go back through security for 30 minutes, had to RUN through and across two terminals to make my connection and only had 5 minutes to spare. Terrible. Very very poor coordination by the airport staff and CBP.

I was ver pleased with the service all the way through

I always try to book flights that don’t charge for baggage. Yet I was charged $75 for this flight.

Book cheap flights from Shannon to San Francisco

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Shannon to San Francisco found on KAYAK in the last 72 hours.
5/9Thu
1 stopKLM
18h 25mSNN-SFO
€619
19/8Mon
2 stops
29h 25mSNN-SFO
€892
19/8Mon
1 stopBritish Airways
23h 50mSNN-SFO
€894
5/9Thu
3 stopsUnited Airlines
20h 21mSNN-SFO
€1,128

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Shannon - San Francisco Flights

Departure:

Shannon (SNN)Ireland

Destination:

San Francisco (SFO)United States

Return flight deals:

San Francisco - Shannon

Cabin classes: