Shannon

$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
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Cheap 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 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$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$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$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$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$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$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$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$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$634

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
Provider with most accurate pricing for San Francisco-Shannon flight deals.
Provider most trusted by Cheapflights users for San Francisco-Shannon flights.
From Fremont to Shannon
One-way flight from Fremont to Shannon
Highest demand for flights based on searches. 17% potential increase in price ($173 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 15 results
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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 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
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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.

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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.

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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 3 different airlines.

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

    For as low as $538, United Airlines can have you in Shannon, Clare from Fremont in 19h 35m. There are 5032 mi between Fremont and Shannon, Clare.

  • 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, 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.

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 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.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$533Average$661FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$591Average$886FlexibilityNo cancel feeOn-time69%
DeltaCheapest$664Average$885FlexibilityNo cancel feeOn-timeN/A

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