$411+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SNN
Apr 15 — Apr 221
Round-trip
1 adult, Economy
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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.Cheap flight deals from San Francisco to Shannon
Cheapest
Best
Last-minute
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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 March 16, 2026.
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 March 16, 2026.
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Mon 8/246:05 am
SFO
- SNN
1 stop17h 25m
United Airlines
Wed 8/269:30 am
SNN
- SFO
1 stop16h 54m
United Airlines
Deal found 3/12![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 9/111:08 pm
SFO
- SNN
2 stops24h 22m
United Airlines
Wed 9/1612:30 pm
SNN
- SFO
1 stop15h 33m
United Airlines
Deal found 3/15![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 3/14. 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.
Tue 7/72:20 pm
SFO
- SNN
1 stop12h 50m
Delta
Tue 7/211:05 pm
SNN
- SFO
1 stop20h 19m
Delta
Deal found 3/14![Delta logo]()
$687
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 7/78:15 am
SFO
- SNN
2 stops15h 15m
United Airlines
Tue 7/219:30 am
SNN
- SFO
2 stops21h 45m
United Airlines
Deal found 3/14![United Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 8/175:05 am
SFO
- SNN
1 stop18h 25m
United Airlines
Mon 8/249:30 am
SNN
- SFO
1 stop14h 00m
United Airlines
Deal found 3/15![United Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/285:00 am
SFO
- SNN
2 stops21h 15m
United Airlines
Tue 5/512:30 pm
SNN
- SFO
2 stops26h 45m
United Airlines
Deal found 3/14![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 9/115:00 am
SFO
- SNN
2 stops21h 15m
United Airlines
Wed 9/239:30 am
SNN
- SFO
1 stop14h 00m
United Airlines
Deal found 3/12![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sun 5/311:05 pm
SFO
- SNN
2 stops27h 10m
United Airlines
Thu 5/1412:30 pm
SNN
- SFO
2 stops26h 40m
United Airlines
Deal found 3/14![United Airlines logo]()
$730
This KAYAK deal was found by Cheapflights users on 3/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:10 am
SFO
- SNN
1 stop20h 05m
Lufthansa
Thu 7/239:30 am
SNN
- SFO
1 stop24h 27m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$736
Best flights from San Francisco to ShannonDiscover carefully curated flight deals from San Francisco to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
Discover carefully curated flight deals from San Francisco to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sun 5/311:05 pm
SFO
- SNN
2 stops27h 10m
United Airlines
Thu 5/1412:30 pm
SNN
- SFO
2 stops26h 40m
United Airlines
Deal found 3/14![United Airlines logo]()
$730
This British Airways deal was found by Cheapflights users on 3/12. 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.
Wed 5/61:45 pm
SFO
- SNN
2 stops18h 25m
British Airways
Sun 5/109:15 pm
SNN
- SFO
1 stop24h 35m
British Airways
Deal found 3/12![British Airways logo]()
$902
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Thu 4/3011:20 pm
SFO
- SNN
2 stops26h 55m
United Airlines
Thu 5/1412:30 pm
SNN
- SFO
2 stops21h 20m
United Airlines
Deal found 3/14![United Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 6/65:00 am
SFO
- SNN
2 stops21h 15m
United Airlines
Sat 6/1312:30 pm
SNN
- SFO
1 stop15h 58m
United Airlines
Deal found 3/12![United Airlines logo]()
$832
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 5/711:20 pm
SFO
- SNN
2 stops26h 55m
United Airlines
Sun 5/1012:30 pm
SNN
- SFO
2 stops27h 02m
United Airlines
Deal found 3/12![United Airlines logo]()
$845
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 6/1112:45 am
SFO
- SNN
2 stops25h 30m
United Airlines
Fri 8/219:30 am
SNN
- SFO
1 stop14h 00m
United Airlines
Deal found 3/13![United Airlines logo]()
$865
Last-minute flights from San Francisco to ShannonDiscover last-minute flight deals from San Francisco to Shannon. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Shannon. Data last updated March 16, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/16. 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.
Wed 4/155:40 pm
SFO
- SNN
2 stops18h 55m
Aer Lingus
Wed 4/229:15 pm
SNN
- SFO
2 stops26h 35m
Aer Lingus
Deal found 3/16![Aer Lingus logo]()
$826
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 4/1811:20 pm
SFO
- SNN
2 stops26h 55m
United Airlines
Fri 5/112:30 pm
SNN
- SFO
1 stop16h 06m
United Airlines
Deal found 3/16![United Airlines logo]()
$739
This FlightHub deal was found by Cheapflights users on 3/14. 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.
Fri 4/247:00 am
SFO
- SNN
2 stops20h 15m
Lufthansa
Sat 5/212:00 pm
SNN
- SFO
1 stop32h 40m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$815
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 4/266:40 am
SFO
- SNN
2 stops19h 35m
United Airlines
Sun 5/312:30 pm
SNN
- SFO
2 stops21h 20m
United Airlines
Deal found 3/12![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/285:00 am
SFO
- SNN
2 stops21h 15m
United Airlines
Tue 5/512:30 pm
SNN
- SFO
2 stops26h 45m
United Airlines
Deal found 3/14![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/2812:40 pm
SFO
- SNN
1 stop13h 35m
United Airlines
Sun 5/312:30 pm
SNN
- SFO
2 stops20h 46m
United Airlines
Deal found 3/12![United Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/2812:40 pm
SFO
- SNN
1 stop13h 35m
United Airlines
Mon 5/412:30 pm
SNN
- SFO
1 stop16h 06m
United Airlines
Deal found 3/12![United Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Thu 4/3011:20 pm
SFO
- SNN
2 stops26h 55m
United Airlines
Thu 5/1412:30 pm
SNN
- SFO
2 stops21h 20m
United Airlines
Deal found 3/14![United Airlines logo]()
$784
One-way flights from San Francisco to ShannonSearch for one-way flight options from San Francisco to Shannon. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
Search for one-way flight options from San Francisco to Shannon. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This KLM deal was found by Cheapflights users on 3/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:00 am
SFO
- SNN
1 stop20h 10m
KLM
Deal found 3/11![KLM logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:05 pm
SFO
- SNN
3 stops46h 10m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:05 pm
SFO
- SNN
3 stops54h 25m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$434
This oojo deal was found by Cheapflights users on 3/15. 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.
Tue 6/95:40 pm
SFO
- SNN
2 stops18h 55m
Aer Lingus
Deal found 3/15![Aer Lingus logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/32:40 pm
SFO
- SNN
2 stops41h 55m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$521
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:31 am
SFO
- SNN
1 stop14h 54m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 6/86:05 am
SFO
- SNN
1 stop17h 25m
United Airlines
Deal found 3/15![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Sun 6/76:34 pm
SFO
- SNN
1 stop28h 56m
United Airlines
Deal found 3/15![United Airlines logo]()
$641
Find 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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $653 (United Airlines) |
One-way from | $411 (KLM) |
Popular in | June |
Cheapest in | January |
Average price | $787 |
Cheapflights Fare Finder
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 March 16, 2026.
Use the filters below to find and compare flights from San Francisco to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sun 5/3
11:05 pm-10:15 am
2 stops27h 10m
Shannon
Thu 5/14
12:30 pm-7:10 am
2 stops26h 40m
$730
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Thu 4/30
11:20 pm-10:15 am
2 stops26h 55m
Shannon
Thu 5/14
12:30 pm-1:50 am
2 stops21h 20m
$784
Quickest round-trip
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sat 6/6
5:00 am-10:15 am
2 stops21h 15m
Shannon
Sat 6/13
12:30 pm-8:28 pm
1 stop15h 58m
$832
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Thu 5/7
11:20 pm-10:15 am
2 stops26h 55m
Shannon
Sun 5/10
12:30 pm-7:32 am
2 stops27h 02m
$845
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Thu 6/11
12:45 am-10:15 am
2 stops25h 30m
Shannon
Fri 8/21
9:30 am-3:30 pm
1 stop14h 00m
$865
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 5/6
1:45 pm-4:10 pm
2 stops18h 25m
Shannon
Sun 5/10
9:15 pm-1:50 pm
1 stop24h 35m
$902
Cheapest one-way
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Tue 6/9
7:00 am-11:10 am
1 stop20h 10m
$411
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Tue 6/9
6:00 am-11:10 am
2 stops21h 10m
$411
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Mon 6/1
6:05 pm-12:15 am
3 stops46h 10m
$425
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Mon 6/8
5:35 pm-8:35 pm
2 stops19h 00m
$488
Showing 1-10 of 14 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Shannon, Clare 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, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Shannon, Clare 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, Clare 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.
SFO-SNN
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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Shannon
How far ahead should I book a flight from San Francisco to Shannon, Clare?
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 March 13, 2026.
The best time to book flights from San Francisco to Shannon, Clare is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Shannon, Clare?
Currently, April is the cheapest month in which you can book a flight from San Francisco to Shannon, Clare (average of $508). Flying from San Francisco to Shannon, Clare in June is currently the most expensive (average of $757). 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.
How much does it cost to fly round-trip from San Francisco to Shannon, Clare?
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 March 16, 2026.
See what other customers who have flown with Delta,Air France, andUnited Airlines from San Francisco to Shannon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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.
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsEnnis
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San Francisco and Shannon flights
Browse other San Francisco and Shannon flight options. Last updated on March 16, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Shannon
Explore flights to Shannon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 16, 2026.
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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$845 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$578 | Average$664 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$591 | Average$874 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$593 | Average$1,067 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$664 | Average$885 | FlexibilityNo cancel fee | On-timeN/A |