Shannon

$432+ Cheap flights from San Francisco (SFO) to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SNN
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find cheap flights from San Francisco to Shannon with Cheapflights

1. Tell us where you want to go
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The best prices from San Francisco to Shannon are usually found in March or August, booked 23 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from San Francisco to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Shannon (SNN). 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 October 31, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

December

Cheapest in

March

Round-trip from

$611
(American Airlines)

One-way from

$432
(American Airlines)
Provider with most accurate pricing for San Francisco-Shannon flight deals.
Provider most trusted by Cheapflights users for San Francisco-Shannon flights.
High demand for flights, 16% potential price rise
Best time to find cheap flights, 23% potential price drop
From San Francisco to Shannon
One-way flight from San Francisco to Shannon

Find flight deals from San Francisco to Shannon

Cheapest flights from San Francisco to Shannon
Explore the most affordable flight options available from San Francisco to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/301:00 pmSFO - SNN
2 stops38h 30mAir Canada
Fri 12/65:30 pmSNN - SFO
2 stops34h 37mAir Canada
Deal found 10/30$841
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/67:55 pmSFO - SNN
2 stops26h 20mMultiple Airlines
Fri 11/152:45 pmSNN - SFO
1 stop15h 23mMultiple Airlines
Deal found 10/29$931
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/65:30 pmSFO - SNN
1 stop15h 15mAer Lingus
Fri 11/152:45 pmSNN - SFO
1 stop15h 23mAer Lingus
Deal found 10/30$942
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/308:40 pmSFO - SNN
1 stop14h 45mBritish Airways
Fri 12/68:05 pmSNN - SFO
1 stop26h 55mBritish Airways
Deal found 10/30$991
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/307:24 amSFO - SNN
1 stop15h 36mAmerican Airlines
Fri 11/82:00 pmSNN - SFO
1 stop17h 51mAmerican Airlines
Deal found 10/29$1,155
This JetBlue deal was found by Cheapflights users on 10/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/35:00 amSFO - SNN
1 stop16h 00mJetBlue
Sun 11/102:00 pmSNN - SFO
1 stop18h 04mJetBlue
Deal found 10/30$2,268

Find flights from San Francisco to Shannon within your budget

Customize your flight search to find flights from San Francisco to Shannon 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 12/4

1:35 pm-4:45 pm

2 stops19h 10m

$432

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 11/23

9:50 pm-11:55 am

2 stops54h 05m

$440

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 1/27

8:33 am-4:45 pm

2 stops24h 12m

$495

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 1/27

5:30 pm-4:45 pm

1 stop15h 15m

$496

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 1/12

2:25 pm-4:45 pm

2 stops18h 20m

Shannon

Tue 1/21

7:45 am-10:44 pm

2 stops22h 59m

$511

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 4/29

12:32 am-10:30 am

2 stops25h 58m

Shannon

Thu 5/15

12:30 pm-9:50 am

2 stops29h 20m

$725

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 2/15

8:42 pm-6:15 am

1 stop25h 33m

Shannon

Sun 2/23

2:45 pm-10:46 pm

1 stop16h 01m

$763

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 3/20

9:40 pm-7:25 pm

1 stop14h 45m

Shannon

Thu 3/27

7:45 am-4:00 pm

1 stop15h 15m

$786

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 11/30

1:00 pm-11:30 am

2 stops38h 30m

Shannon

Fri 12/6

5:30 pm-8:07 pm

2 stops34h 37m

$841

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 11/30

5:20 pm-11:30 am

2 stops34h 10m

Shannon

Fri 12/6

5:30 pm-3:00 pm

1 stop29h 30m

$962

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 11 results
1
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Compare providers for flights from San Francisco to Shannon

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 San Francisco to Shannon in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 San Francisco-Shannon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Shannon flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Shannon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Shannon flights, Cheapflights users trust AranGrant the most. AranGrant 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 San Francisco-Shannon 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 San Francisco to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from San Francisco 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.

Travel insights for flights from San Francisco to Shannon

Get recent, data-driven insights about flights from San Francisco to Shannon including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to Shannon?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Shannon. Price data was last updated on October 25, 2024.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Shannon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Shannon?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Shannon (average of $528). Flying from San Francisco to Shannon in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SNN?

Find hourly flight availability from San Francisco to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

It’s optimal to fly from San Francisco to Shannon in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from San Francisco to Shannon?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Shannon. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their San Francisco to Shannon flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated October 31, 2024.
Read reviews from past customers who have flown Air Canada, Aer Lingus and British Airways from San Francisco to Shannon. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
9,240 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

7.4
Good
9,240 reviews
7.4
Good
9,240 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

7.2
Good
10,000 reviews
7.4
Good
9,240 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

7.1
Good
1,087 reviews
7.4
Good
9,240 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

7.0
Good
8,095 reviews
7.4
Good
9,240 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

6.7
Okay
6,843 reviews
7.4
Good
9,240 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Reviews

1 / 10

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from San Francisco to Shannon for under $700 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Shannon for under $700. The cheapest flight booked recently is on American Airlines for just $611, but on average you can expect to pay $781.

  • Are there last-minute flights available from San Francisco to Shannon for under $900?

    There are currently 4+ open flights from San Francisco to Shannon within the next 7 days for less than $900.

  • What are the cheapest airlines flying from San Francisco to Shannon round-trip?

    Our cheapest airline available from San Francisco to Shannon is American Airlines. Our recent data shows that you can find tickets from as low as $611 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $725 and $786 round-trip. American Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Shannon one-way?

    One-way options have recently been found by users for as low as $432 on American Airlines. Other airlines that offer cheap prices include Air Canada from $495 and British Airways from $496 one-way.

  • What does SFO to SNN mean?

    This is defined as San Francisco Airport (SFO) and Shannon Airport (SNN). Codes like Shannon Airport are often used to just call airports uniquely.

  • Can I find deals for flights from San Francisco to Shannon that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Shannon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Shannon with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Shannon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from San Francisco to Shannon that allow pets onboard?

    Many airlines flying from San Francisco to Shannon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Shannon?

    Yes, you can often find last-minute deals on San Francisco to Shannon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Shannon flight deals updated?

    The San Francisco to Shannon flight deals you see on this page were last updated on 10/30.

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Shannon (average of $528). Flying from San Francisco to Shannon in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from San Francisco to Shannon

Discover the top 5 airlines that operate flights from San Francisco to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$631Average$911FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$665Average$1,068FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$670Average$977FlexibilityNo cancel feeOn-time69%
DeltaCheapest$700Average$972FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$730Average$988FlexibilityNo cancel feeOn-time70%
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