$330+ Cheap flights from Fremont, CA 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SNN
Feb 28 — Mar 71
1 adult, Economy
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Find cheap flights from Fremont to Shannon 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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Cheapest flights from Fremont to ShannonExplore the most affordable flight options available from Fremont to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Fremont to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 9/14:35 pm
SFO
- SNN
1 stop15h 35m
American Airlines
Wed 9/169:15 pm
SNN
- SFO
1 stop24h 35m
American Airlines
Deal found 1/26![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 1/28. 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 9/16:00 am
SFO
- SNN
1 stop17h 30m
United Airlines
Wed 9/169:30 am
SNN
- SFO
1 stop21h 27m
United Airlines
Deal found 1/28![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 1/27. 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 8/315:20 am
SFO
- SNN
1 stop18h 10m
United Airlines
Tue 9/159:30 am
SNN
- SFO
1 stop15h 43m
United Airlines
Deal found 1/27![United Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 9/166:00 am
SFO
- SNN
2 stops17h 30m
United Airlines
Thu 9/2412:30 pm
SNN
- SFO
2 stops28h 29m
United Airlines
Deal found 1/28![United Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 1/28. 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 8/176:00 am
SFO
- SNN
1 stop17h 30m
United Airlines
Mon 8/319:30 am
SNN
- SFO
1 stop14h 15m
United Airlines
Deal found 1/28![United Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 1/28. 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 4/307:15 am
SFO
- SNN
2 stops19h 00m
United Airlines
Thu 5/1412:30 pm
SNN
- SFO
2 stops27h 05m
United Airlines
Deal found 1/28![United Airlines logo]()
$605
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Sat 8/2911:15 pm
SFO
- SNN
2 stops24h 15m
Lufthansa
Sun 9/69:30 am
SNN
- SFO
1 stop17h 35m
Lufthansa
Deal found 1/27![Lufthansa logo]()
$623
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Sat 8/2910:35 pm
SFO
- SNN
1 stop24h 55m
Multiple Airlines
Sun 9/69:30 am
SNN
- SFO
1 stop17h 35m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/296:40 am
SFO
- SNN
2 stops19h 35m
United Airlines
Fri 5/812:30 pm
SNN
- SFO
1 stop17h 06m
United Airlines
Deal found 1/27![United Airlines logo]()
$634
Best flights from Fremont to ShannonDiscover carefully curated flight deals from Fremont to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.
Discover carefully curated flight deals from Fremont to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/296:40 am
SFO
- SNN
2 stops19h 35m
United Airlines
Fri 5/812:30 pm
SNN
- SFO
2 stops26h 40m
United Airlines
Deal found 1/27![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 1/28. 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.
Fri 5/2910:45 pm
SFO
- SNN
1 stop28h 25m
Delta
Sun 6/71:05 pm
SNN
- SFO
1 stop20h 19m
Delta
Deal found 1/28![Delta logo]()
$721
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/307:15 am
SFO
- SNN
2 stops19h 00m
United Airlines
Thu 5/1412:30 pm
SNN
- SFO
2 stops26h 40m
United Airlines
Deal found 1/27![United Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/298:15 am
SFO
- SNN
2 stops18h 00m
United Airlines
Wed 6/249:30 am
SNN
- SFO
2 stops21h 13m
United Airlines
Deal found 1/27![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:15 pm
SFO
- SNN
2 stops24h 15m
United Airlines
Fri 7/109:30 am
SNN
- SFO
1 stop16h 56m
United Airlines
Deal found 1/29![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
SFO
- SNN
2 stops16h 30m
United Airlines
Wed 7/159:30 am
SNN
- SFO
1 stop14h 15m
United Airlines
Deal found 1/29![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:50 pm
SFO
- SNN
2 stops26h 40m
United Airlines
Thu 7/169:30 am
SNN
- SFO
1 stop15h 43m
United Airlines
Deal found 1/29![United Airlines logo]()
$725
Last-minute flights from Fremont to ShannonDiscover last-minute flight deals from Fremont to Shannon. Data last updated January 29, 2026 and is based on user searches.
Discover last-minute flight deals from Fremont to Shannon. Data last updated January 29, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 1/28. 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.
Thu 1/293:50 pm
SFO
- SNN
2 stops19h 35m
British Airways
Thu 2/58:05 pm
SNN
- SFO
2 stops27h 30m
British Airways
Deal found 1/28![British Airways logo]()
$880
This oojo deal was found by Cheapflights users on 1/28. 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.
Sun 2/83:35 pm
SFO
- SNN
2 stops17h 10m
British Airways
Sat 2/145:25 pm
SNN
- SFO
2 stops31h 10m
British Airways
Deal found 1/28![British Airways logo]()
$855
This Ovago deal was found by Cheapflights users on 1/27. 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.
Thu 2/265:30 pm
SFO
- SNN
1 stop15h 15m
British Airways
Thu 3/57:50 am
SNN
- SFO
1 stop15h 10m
British Airways
Deal found 1/27![British Airways logo]()
$782
This Air Canada deal was found by Cheapflights users on 1/26. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:20 pm
SFO
- SNN
2 stops38h 10m
Air Canada
Mon 3/25:30 pm
SNN
- SFO
2 stops35h 04m
Air Canada
Deal found 1/26![Air Canada logo]()
$818
This British Airways deal was found by Cheapflights users on 1/26. 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.
Thu 2/268:40 pm
SFO
- SNN
1 stop14h 45m
British Airways
Mon 3/28:05 pm
SNN
- SFO
1 stop26h 55m
British Airways
Deal found 1/26![British Airways logo]()
$820
One-way flights from Fremont to ShannonSearch for one-way flight options from Fremont to Shannon. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.
Search for one-way flight options from Fremont to Shannon. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:20 pm
SFO
- SNN
2 stops17h 05m
Aer Lingus
Deal found 1/29![Aer Lingus logo]()
$330
This United Airlines deal was found by Cheapflights users on 1/27. 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 6/911:50 pm
SFO
- SNN
2 stops23h 40m
United Airlines
Deal found 1/27![United Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:55 pm
SFO
- SNN
3 stops52h 15m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$377
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:20 pm
SFO
- SNN
2 stops18h 05m
Aer Lingus
Deal found 1/29![Aer Lingus logo]()
$380
This oojo deal was found by Cheapflights users on 1/27. 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.
Fri 5/155:35 pm
SFO
- SNN
2 stops33h 45m
British Airways
Deal found 1/27![British Airways logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:29 am
SFO
- SNN
2 stops28h 56m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:00 pm
SFO
- SNN
3 stops40h 30m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$413
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Fri 2/65:20 pm
SFO
- SNN
2 stops39h 25m
Aer Lingus
Deal found 1/27![Aer Lingus logo]()
$416
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 5/1510:16 pm
SFO
- SNN
1 stop23h 44m
American Airlines
Deal found 1/27![American Airlines logo]()
$418
Find flight deals from Fremont to Shannon
Keep the following information in mind while searching for Fremont to Shannon flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $538 (United Airlines) |
One-way from | $330 (KAYAK) |
Popular in | June |
Cheapest in | December |
Average price | $666 |
Cheapflights Fare Finder
Customize your flight search to find flights from Fremont 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 29, 2026.
Use the filters below to find and compare flights from Fremont to Shannon that are best for you.
Fly from
Fremont
Fly to
Shannon
Route
Depart
Return
Price
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 4/29
6:40 am-10:15 am
2 stops19h 35m
Shannon
Fri 5/8
12:30 pm-7:10 am
2 stops26h 40m
$538
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Thu 4/30
7:15 am-10:15 am
2 stops19h 00m
Shannon
Thu 5/14
12:30 pm-7:10 am
2 stops26h 40m
$605
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Wed 4/29
8:15 am-10:15 am
2 stops18h 00m
Shannon
Wed 6/24
9:30 am-10:43 pm
2 stops21h 13m
$648
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Fri 5/29
10:45 pm-11:10 am
1 stop28h 25m
Shannon
Sun 6/7
1:05 pm-1:24 am
1 stop20h 19m
$721
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Fri 7/3
11:15 pm-7:30 am
2 stops24h 15m
Shannon
Fri 7/10
9:30 am-6:26 pm
1 stop16h 56m
$725
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sat 7/4
7:00 am-7:30 am
2 stops16h 30m
Shannon
Wed 7/15
9:30 am-3:45 pm
1 stop14h 15m
$725
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Fri 7/3
8:50 pm-7:30 am
2 stops26h 40m
Shannon
Thu 7/16
9:30 am-5:13 pm
1 stop15h 43m
$725
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Sun 2/15
6:20 pm-7:25 pm
2 stops17h 05m
$330
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Tue 6/9
11:50 pm-7:30 am
2 stops23h 40m
$351
San FranciscoShannon
SFO - SNN
SFOSNN
San Francisco
Tue 2/3
7:55 pm-8:10 am
3 stops52h 15m
$377
Showing 1-10 of 15 results
Best time to book a flight from Fremont to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from Fremont 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 Fremont to Shannon
FR8-SNN
SFO-SNN
How far ahead should I book a flight from Fremont to Shannon, Clare?
Use this chart to determine the optimal time to book a round-trip flight from Fremont to Shannon. Price data was last updated on January 23, 2026.
To ensure you get the cheapest price possible for a flight from Fremont to Shannon, Clare, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Fremont to Shannon, Clare?
Currently, April is the cheapest month in which you can book a flight from Fremont to Shannon, Clare (average of $508). Flying from Fremont to Shannon, Clare in June is currently the most expensive (average of $839). 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 Fremont 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 January 29, 2026.
Read through reviews of airlines operating flights from Fremont to Shannon, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Fremont 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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Alternative routes for Fremont to Shannon
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Fremont to Shannon
Discover the top 3 airlines that operate flights from Fremont 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$661 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$591 | Average$886 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$664 | Average$885 | FlexibilityNo cancel fee | On-timeN/A |