$424+ Cheap flights from Shannon (SNN) to San Francisco (SFO)
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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — SFO
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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Find cheap flights from Shannon to San Francisco with Cheapflights
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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
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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 Shannon to San Francisco
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Best
Last-minute
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Cheapest flights from Shannon to San FranciscoExplore 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 August 7, 2026.
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 August 7, 2026.
This Delta deal was found by Cheapflights users on 8/5. 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.
Thu 9/31:05 pm -
1 stop29h 10m
Tue 9/81:15 pm -
1 stop13h 55m
Deal found 8/5![Delta logo]()
$731
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 9/31:05 pm -
1 stop29h 10m
Mon 9/711:50 pm -
1 stop27h 20m
Deal found 8/6![Delta logo]()
$733
This Air France deal was found by Cheapflights users on 8/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:05 pm -
2 stops35h 08m
Tue 9/811:35 am -
1 stop15h 35m
Deal found 8/5![Multiple Airlines logo]()
$802
This Mytrip deal was found by Cheapflights users on 8/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:50 pm -
2 stops26h 55m
Thu 10/155:50 pm -
1 stop18h 45m
Deal found 8/7![Multiple Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/39:30 am -
2 stops17h 39m
Tue 9/88:45 am -
2 stops14h 45m
Deal found 8/4![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/49:30 am -
2 stops16h 12m
Mon 9/76:45 am -
2 stops16h 45m
Deal found 8/6![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/39:30 am -
1 stop19h 40m
Mon 9/710:05 am -
1 stop13h 25m
Deal found 8/6![United Airlines logo]()
$876
This lastminute.com deal was found by Cheapflights users on 8/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:30 am -
2 stops18h 23m
Tue 9/810:39 pm -
2 stops24h 51m
Deal found 8/3![Lufthansa logo]()
$882
This British Airways deal was found by Cheapflights users on 8/3. 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.
Mon 10/124:50 pm -
1 stop29h 00m
Sun 11/18:35 pm -
1 stop30h 55m
Deal found 8/3![British Airways logo]()
$883
Best flights from Shannon to San FranciscoDiscover carefully curated flight deals from Shannon to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
Discover carefully curated flight deals from Shannon to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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.
Thu 9/31:05 pm -
1 stop29h 10m
Tue 9/81:15 pm -
1 stop13h 55m
Deal found 8/3![Delta logo]()
$732
This Air France deal was found by Cheapflights users on 8/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:05 pm -
1 stop37h 12m
Wed 9/167:00 am -
1 stop20h 10m
Deal found 8/7![Air France logo]()
$732
This KLM deal was found by Cheapflights users on 8/6. 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 9/81:05 pm -
2 stops35h 19m
Thu 9/179:00 am -
1 stop18h 10m
Deal found 8/6![KLM logo]()
$804
This KLM deal was found by Cheapflights users on 8/7. 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 9/81:05 pm -
2 stops38h 53m
Wed 9/169:00 am -
1 stop18h 10m
Deal found 8/7![Multiple Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/39:30 am -
1 stop14h 05m
Tue 9/88:15 am -
2 stops18h 00m
Deal found 8/5![United Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 9/31:05 pm -
1 stop29h 10m
Mon 9/711:50 pm -
1 stop27h 20m
Deal found 8/6![Delta logo]()
$733
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/91:05 pm -
1 stop31h 15m
Sat 9/1210:35 pm -
1 stop28h 35m
Deal found 8/6![Delta logo]()
$733
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/199:30 am -
1 stop14h 05m
Sat 9/2611:30 am -
1 stop14h 45m
Deal found 8/5![United Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 8/6. 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 9/81:05 pm -
1 stop29h 12m
Thu 9/1711:35 am -
1 stop15h 35m
Deal found 8/6![Delta logo]()
$733
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/219:30 am -
1 stop17h 52m
Mon 9/2811:30 am -
1 stop14h 45m
Deal found 8/7![United Airlines logo]()
$875
Last-minute flights from Shannon to San FranciscoDiscover last-minute flight deals from Shannon to San Francisco. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Shannon to San Francisco. Data last updated August 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/5. 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.
Thu 9/31:05 pm -
1 stop29h 10m
Tue 9/81:15 pm -
1 stop13h 55m
Deal found 8/5![Delta logo]()
$731
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 9/31:05 pm -
1 stop29h 10m
Mon 9/711:50 pm -
1 stop27h 20m
Deal found 8/6![Delta logo]()
$733
This Air France deal was found by Cheapflights users on 8/5. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:05 pm -
2 stops35h 08m
Tue 9/811:35 am -
1 stop15h 35m
Deal found 8/5![Multiple Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/39:30 am -
2 stops17h 39m
Tue 9/88:45 am -
2 stops14h 45m
Deal found 8/4![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/39:30 am -
1 stop14h 05m
Mon 9/76:15 am -
2 stops17h 15m
Deal found 8/6![United Airlines logo]()
$876
This lastminute.com deal was found by Cheapflights users on 8/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:30 am -
2 stops18h 23m
Tue 9/810:39 pm -
2 stops24h 51m
Deal found 8/3![Lufthansa logo]()
$882
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/49:30 am -
2 stops16h 12m
Mon 9/76:45 am -
2 stops16h 45m
Deal found 8/6![United Airlines logo]()
$875
One-way flights from Shannon to San FranciscoSearch for one-way flight options from Shannon to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
Search for one-way flight options from Shannon to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Tue 9/84:05 pm -
3 stops54h 25m
Deal found 8/4![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/46:30 am -
3 stops43h 05m
Deal found 8/4![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sat 9/56:05 am -
3 stops45h 21m
Deal found 8/4![Multiple Airlines logo]()
$491
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:15 pm -
2 stops26h 40m
Deal found 8/3![Aer Lingus logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Thu 9/178:55 pm -
3 stops45h 52m
Deal found 8/4![Multiple Airlines logo]()
$510
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 August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $731 (Delta) |
One-way from | $424 (Kiwi.com) |
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 August 7, 2026.
Use the filters below to find and compare flights from Shannon to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Thu 9/3
1:05 pm-10:15 am
1 stop29h 10m
San Francisco
Tue 9/8
1:15 pm-11:10 am
1 stop13h 55m
$732
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Tue 9/8
1:05 pm-6:17 pm
1 stop37h 12m
San Francisco
Wed 9/16
7:00 am-11:10 am
1 stop20h 10m
$732
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Thu 9/3
1:05 pm-10:15 am
1 stop29h 10m
San Francisco
Mon 9/7
11:50 pm-11:10 am
1 stop27h 20m
$733
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Wed 9/9
1:05 pm-12:20 pm
1 stop31h 15m
San Francisco
Sat 9/12
10:35 pm-11:10 am
1 stop28h 35m
$733
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Tue 9/8
1:05 pm-10:17 am
1 stop29h 12m
San Francisco
Thu 9/17
11:35 am-11:10 am
1 stop15h 35m
$733
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Tue 9/8
1:05 pm-4:24 pm
2 stops35h 19m
San Francisco
Thu 9/17
9:00 am-11:10 am
1 stop18h 10m
$804
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Tue 9/8
1:05 pm-7:58 pm
2 stops38h 53m
San Francisco
Wed 9/16
9:00 am-11:10 am
1 stop18h 10m
$804
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Thu 9/3
9:30 am-3:35 pm
1 stop14h 05m
San Francisco
Tue 9/8
8:15 am-10:15 am
2 stops18h 00m
$874
Quickest round-trip
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Sat 9/19
9:30 am-3:35 pm
1 stop14h 05m
San Francisco
Sat 9/26
11:30 am-10:15 am
1 stop14h 45m
$874
ShannonSan Francisco
SNN Shannon - SFO San Francisco
SNNSFO
Shannon
Mon 9/21
9:30 am-7:22 pm
1 stop17h 52m
San Francisco
Mon 9/28
11:30 am-10:15 am
1 stop14h 45m
$875
Showing 1-10 of 14 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Shannon, Clare-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Shannon, Clare-San Francisco flight deals on Cheapflights vs. FlightHub >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 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 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.
SNN-SFO
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
San Bruno
Fairfield
Emeryville
Roseville
Burlingame
Rancho Cordova
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
San Carlos
Milpitas
Turlock
San Lorenzo
Davis
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