$303+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco to Shannon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from San Francisco to Shannon are usually found in October or August, booked 23 days in advance, depart on a Monday or Tuesday 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 January 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $579 (American Airlines) |
One-way from | $303 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $838 |
Find flight deals from San Francisco to Shannon
Cheapest flights from San Francisco to ShannonExplore 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 January 23, 2025.
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 January 23, 2025.
This American Airlines deal was found by Cheapflights users on 1/22. 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.
This United Airlines deal was found by Cheapflights users on 1/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 1/22. 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.
This Gotogate deal was found by Cheapflights users on 1/22. 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.
This Gotogate deal was found by Cheapflights users on 1/22. 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.
This British Airways deal was found by Cheapflights users on 1/23. 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.
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2,558,603 searches. Data last updated January 23, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 3/5
10:41 am-11:30 am
2 stops16h 49m
Shannon
Wed 3/12
7:45 am-11:14 pm
2 stops22h 29m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 4/30
1:20 pm-10:30 am
1 stop13h 10m
Shannon
Thu 5/15
12:30 pm-7:22 pm
1 stop14h 52m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 3/5
5:30 pm-4:45 pm
1 stop15h 15m
Shannon
Wed 3/12
7:45 am-4:00 pm
1 stop15h 15m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sat 4/19
6:26 pm-11:20 am
2 stops56h 54m
Shannon
Tue 4/29
12:30 pm-9:36 pm
1 stop17h 06m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sat 4/19
6:26 pm-11:20 am
2 stops56h 54m
Shannon
Tue 4/29
7:40 am-9:27 am
2 stops33h 47m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Mon 4/21
4:35 pm-4:10 pm
1 stop15h 35m
Shannon
Tue 5/6
9:15 pm-5:15 pm
1 stop28h 00m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Mon 7/14
10:45 pm-11:10 am
1 stop28h 25m
Shannon
Sat 8/9
1:05 pm-9:08 pm
1 stop16h 03m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Tue 3/4
12:16 am-2:40 pm
3 stops30h 24m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 4/23
3:54 pm-4:10 pm
2 stops16h 16m
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sat 4/5
11:12 am-10:30 am
2 stops15h 18m
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Shannon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Shannon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
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 January 17, 2025.
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 $533). Flying from San Francisco to Shannon in June is currently the most expensive (average of $1,007). 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 January 23, 2025.
It’s optimal to fly from San Francisco to Shannon in the afternoon. By choosing this option you can save up to 7% 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 December 16, 2024.
Travelers seeking maximum savings on their San Francisco to Shannon flight should consider departing on Monday at noon 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 January 23, 2025.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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.
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Alternative routes for San Francisco to Shannon
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated January 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$631 | Average$920 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$670 | Average$988 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$699 | Average$914 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$700 | Average$911 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$793 | Average$1,072 | FlexibilityNo cancel fee | On-time70% |