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Shannon

$628+ Cheap flights from Fremont, CA to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SNN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Shannon are usually found in October or January, booked 16 days in advance, depart on a Monday or Tuesday and return on a Monday

Find flight deals from Fremont to Shannon

Cheapest flights from Fremont to Shannon
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 October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:20 pmSFO - SNN
2 stops19h 25mMultiple Airlines
Wed 12/107:50 amSNN - SFO
2 stops21h 32mMultiple Airlines
Deal found 10/28$689
This British Airways deal was found by Cheapflights users on 10/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:40 pmSFO - SNN
1 stop30h 50mBritish Airways
Wed 12/108:05 pmSNN - SFO
1 stop26h 55mBritish Airways
Deal found 10/28$722
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 amSFO - SNN
2 stops16h 20mAmerican Airlines
Wed 12/102:00 pmSNN - SFO
1 stop18h 11mAmerican Airlines
Deal found 10/28$822
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amSFO - SNN
2 stops16h 20mAmerican Airlines
Fri 12/192:00 pmSNN - SFO
1 stop18h 16mAmerican Airlines
Deal found 10/28$991
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:20 pmSFO - SNN
2 stops17h 05mAer Lingus
Sun 12/287:50 amSNN - SFO
2 stops39h 45mAer Lingus
Deal found 10/29$1,470
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSFO - SNN
2 stops16h 20mAmerican Airlines
Sun 12/287:50 amSNN - SFO
1 stop15h 10mAmerican Airlines
Deal found 10/28$1,784

Cheap flight deals from Fremont to Shannon

Keep the following information in mind while searching for Fremont to Shannon flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$519
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$694
Provider with most accurate pricing for San Francisco-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Shannon flights.
Search Deals
From Fremont to Shannon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.
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 1/7

7:30 am-11:30 am

2 stops20h 00m

Shannon

Tue 1/13

7:50 am-10:25 pm

2 stops22h 35m

$628

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 11/27

1:20 pm-4:45 pm

2 stops19h 25m

Shannon

Wed 12/10

7:50 am-9:22 pm

2 stops21h 32m

$689

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 11/27

8:40 pm-11:30 am

1 stop30h 50m

Shannon

Wed 12/10

8:05 pm-3:00 pm

1 stop26h 55m

$722

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 11/27

6:00 am-6:20 am

2 stops16h 20m

Shannon

Wed 12/10

2:00 pm-12:11 am

1 stop18h 11m

$822

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 1/7

7:30 am-7:25 pm

3 stops27h 55m

Shannon

Tue 1/13

5:30 pm-3:35 pm

2 stops30h 05m

$912

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 12/12

6:00 am-6:20 am

2 stops16h 20m

Shannon

Fri 12/19

2:00 pm-12:16 am

1 stop18h 16m

$991

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 12/12

7:00 am-3:45 pm

2 stops24h 45m

Shannon

Fri 12/19

7:50 am-12:06 am

2 stops24h 16m

$1,080

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 12/21

6:20 pm-7:25 pm

2 stops17h 05m

Shannon

Sun 12/28

7:50 am-3:35 pm

2 stops39h 45m

$1,470

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 12/21

6:00 am-6:20 am

2 stops16h 20m

Shannon

Sun 12/28

7:50 am-3:00 pm

1 stop15h 10m

$1,784

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 11/5

5:30 pm-4:45 pm

1 stop15h 15m

$1,709

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 13 results
1
2

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.
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

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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Fremont to Shannon, Clare, you should look to book at least 15 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, August is the cheapest month in which you can book a flight from Fremont to Shannon, Clare (average of $545). Flying from Fremont to Shannon, Clare in June is currently the most expensive (average of $863). 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 FR8 to SNN?

Find hourly flight availability from Fremont 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 30, 2025.

It’s optimal to fly from Fremont to Shannon, Clare 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 Fremont to Shannon, Clare?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Shannon. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Fremont to Shannon, Clare flight should consider departing on Tuesday 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.

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 30, 2025.
Read through reviews of airlines operating flights from Fremont to Shannon, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,482 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,488 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 Fremont to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Shannon from Fremont?

    If you book a flight to Shannon from Fremont, you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 0 flights from Fremont to Shannon per day from 6 different airlines.

  • How long is the flight from Fremont to Shannon, Clare?

    For as low as $628, American Airlines can have you in Shannon, Clare from Fremont in 20h. There are 5032 mi between Fremont and Shannon, Clare. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Fremont to Shannon?

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

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

    Yes. Cheapflights offers flight deals from Fremont 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.

  • What is the cheapest month to book a flight from Fremont to Shannon, Clare?

    Currently, August is the cheapest month in which you can book a flight from Fremont to Shannon, Clare (average of $545). Flying from Fremont to Shannon, Clare in June is currently the most expensive (average of $863). 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

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top 6 airlines flying from Fremont to Shannon

Discover the top 6 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$533Average$703FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$578Average$872FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$628Average$931FlexibilityNo cancel feeOn-time69%
DeltaCheapest$664Average$935FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$727Average$931FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$771Average$1,072FlexibilityNo cancel feeOn-time70%

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