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$724+ Cheap flights from Shannon (SNN) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SFO
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Shannon to San Francisco

Cheapest flights from Shannon to San Francisco
Explore the most affordable flight options available from Shannon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This British Airways deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/205:25 pmSNN - SFO
2 stops48h 43mBritish Airways
dom. 12/2811:20 amSFO - SNN
2 stops24h 05mBritish Airways
Deal found 12/10$1,014
This Ovago deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/205:25 pmSNN - SFO
1 stop29h 35mMultiple Airlines
dom. 12/285:30 pmSFO - SNN
1 stop15h 15mMultiple Airlines
Deal found 12/10$1,309

Find flight deals from Shannon to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$724
(American Airlines)
Provider with most accurate pricing for Shannon-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Shannon-San Francisco flights.
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From Shannon to San Francisco
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Shannon to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Shannon to San Francisco that are best for you.

Fly from

Shannon

Fly to

San Francisco

Route

Depart

Return

Price

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

mié. 1/28

7:50 am-12:47 am

2 stops24h 57m

San Francisco

dom. 2/1

7:30 am-11:30 am

2 stops20h 00m

$724

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

vie. 5/15

12:30 pm-9:34 pm

2 stops17h 04m

San Francisco

mar. 5/26

6:00 am-10:15 am

2 stops20h 15m

$758

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

sáb. 1/24

7:50 am-6:30 pm

2 stops18h 40m

San Francisco

sáb. 1/31

2:37 pm-4:45 pm

2 stops18h 08m

$823

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

sáb. 1/24

7:50 am-3:00 pm

1 stop15h 10m

San Francisco

sáb. 1/31

8:40 pm-7:25 pm

1 stop14h 45m

$832

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

sáb. 1/24

7:50 am-2:40 pm

1 stop14h 50m

San Francisco

sáb. 1/31

6:55 pm-7:25 pm

2 stops16h 30m

$850

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

mié. 1/28

7:50 am-5:29 pm

2 stops41h 39m

San Francisco

dom. 2/1

11:20 am-4:45 pm

2 stops21h 25m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Shannon to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Shannon to San Francisco in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Shannon, Clare-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Shannon, Clare-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Shannon, Clare-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Shannon, Clare-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Shannon, Clare-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Shannon to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Shannon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Shannon to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Shannon, Clare to San Francisco?

    Airlines like American Airlines and United Airlines fly from Shannon, Clare to San Francisco in about 17h 04m. The time it takes to get you to your destination can typically vary by up to 7h 53m. Shannon, Clare and San Francisco are separated by a distance of 5032 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Shannon to San Francisco that include hotel bookings?

    Yes. In addition to deals on Shannon to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Shannon to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shannon to San Francisco.

  • Can I find deals for business class flights from Shannon to San Francisco?

    Yes. Cheapflights offers flight deals from Shannon to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
Foster City
Union City
Davis
San Ramon
Burlingame
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