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$243+ Cheap flights from Fremont, CA to Ireland

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DUB
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap flight deals from Fremont to Ireland

Cheapest flights from Fremont to Ireland
Explore the most affordable flight options available from Fremont to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This ResecentrumGruppen deal was found by Cheapflights users on 12/14. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/288:25 amSFO - DUB
1 stop15h 45mLufthansa
mar. 1/1310:50 amDUB - SFO
1 stop16h 45mLufthansa
Deal found 12/14$611
This Billigflug deal was found by Cheapflights users on 12/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/295:00 amSFO - DUB
1 stop19h 10mAir Canada
mié. 1/149:00 amDUB - SFO
2 stops19h 34mAir Canada
Deal found 12/14$616
This Gotogate deal was found by Cheapflights users on 12/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/295:20 pmSFO - DUB
Nonstop10h 05mAer Lingus
mié. 1/1412:30 pmDUB - SFO
Nonstop11h 05mAer Lingus
Deal found 12/14$630
This FlightHub deal was found by Cheapflights users on 12/14. 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.
mié. 12/314:35 pmSFO - DUB
1 stop33h 45mTAP AIR PORTUGAL
mar. 1/134:55 pmDUB - SFO
1 stop29h 35mTAP AIR PORTUGAL
Deal found 12/14$631
This United Airlines deal was found by Cheapflights users on 12/14. 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.
lun. 12/297:00 amSFO - DUB
1 stop17h 10mUnited Airlines
mié. 1/149:00 amDUB - SFO
1 stop19h 53mUnited Airlines
Deal found 12/14$634
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/287:30 amSFO - DUB
1 stop17h 50mDelta
mar. 1/131:25 pmDUB - SFO
1 stop30h 25mDelta
Deal found 12/13$637
This United Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/287:00 amSFO - DUB
1 stop17h 10mUnited Airlines
mar. 1/1310:40 amDUB - SFO
2 stops20h 18mUnited Airlines
Deal found 12/14$644
This FlightHub deal was found by Cheapflights users on 12/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:25 amSFO - ORK
2 stops23h 00mAir Canada
mar. 1/67:40 amORK - SFO
2 stops35h 14mAir Canada
Deal found 12/13$1,009
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:40 pmSFO - ORK
1 stop18h 45mBritish Airways
mar. 1/611:55 amORK - SFO
2 stops29h 49mBritish Airways
Deal found 12/13$1,123
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/236:50 pmSFO - SNN
2 stops56h 40mAir Canada
dom. 1/45:30 pmSNN - SFO
2 stops49h 24mAir Canada
Deal found 12/15$1,488
This KLM deal was found by Cheapflights users on 12/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/301:55 pmSFO - ORK
1 stop18h 50mKLM
mar. 1/66:00 amORK - SFO
1 stop13h 50mKLM
Deal found 12/13$1,775
This Delta deal was found by Cheapflights users on 12/14. 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.
mar. 12/234:55 pmSFO - ORK
2 stops57h 50mDelta
sáb. 1/311:15 amORK - SFO
2 stops31h 21mDelta
Deal found 12/14$2,087

Find flight deals from Fremont to Ireland

Keep the following information in mind while searching for Fremont to Ireland flight deals. Data was last updated diciembre 15, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$567
(American Airlines)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$943
Provider with most accurate pricing for San Francisco-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Dublin flights.
Search Deals
From Fremont to Ireland
Search Deals
One-way flight from Fremont to Ireland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Ireland 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 diciembre 15, 2025.
Use the filters below to find and compare flights from Fremont to Ireland that are best for you.

Fly from

Fremont

Fly to

Ireland

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

mar. 1/27

5:30 pm-4:45 pm

1 stop15h 15m

Shannon

mar. 2/3

7:50 am-6:45 pm

1 stop18h 55m

$567

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

dom. 3/29

7:30 pm-8:35 pm

1 stop17h 05m

Shannon

mar. 4/7

9:15 pm-1:50 pm

1 stop24h 35m

$567

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

lun. 5/4

10:19 am-11:20 am

2 stops17h 01m

Shannon

mar. 5/12

9:15 pm-1:50 pm

1 stop24h 35m

$571

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mié. 3/4

7:00 am-11:45 am

2 stops20h 45m

Dublin

lun. 3/16

12:30 pm-3:35 pm

2 stops34h 05m

$591

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mié. 5/6

10:45 pm-10:20 am

2 stops27h 35m

Dublin

mar. 5/19

7:05 pm-2:40 pm

1 stop27h 35m

$633

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

lun. 12/29

7:00 am-8:10 am

1 stop17h 10m

Dublin

mié. 1/14

9:00 am-8:53 pm

1 stop19h 53m

$634

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mar. 3/3

7:56 am-7:45 am

1 stop15h 49m

Dublin

mar. 3/10

5:55 am-12:50 pm

1 stop13h 55m

$635

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

dom. 12/28

7:30 am-9:20 am

1 stop17h 50m

Dublin

mar. 1/13

1:25 pm-11:50 am

1 stop30h 25m

$637

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

mar. 3/3

12:43 am-10:20 am

2 stops25h 37m

Dublin

mié. 3/11

8:00 am-3:25 pm

1 stop14h 25m

$637

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

lun. 3/16

6:30 pm-4:45 pm

1 stop15h 15m

Shannon

mié. 3/25

7:50 am-7:45 pm

1 stop18h 55m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 50 results
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5

Best time to book a flight from Fremont to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

What is the cheapest month to book a flight from Fremont to Ireland?

Currently, August is the cheapest month in which you can book a flight from Fremont to Ireland (average of $455). Flying from Fremont to Ireland in June is currently the most expensive (average of $716). 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 IE?

Find hourly flight availability from Fremont to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 15, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Fremont to Ireland by exploring options for tickets at noon.

What is the cheapest day to fly from Fremont to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Ireland flight should consider departing on Wednesday afternoons 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 Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated diciembre 15, 2025.
Read reviews from past customers who have flown Delta, Scandinavian Airlines, and United Airlines from Fremont to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

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.
Scandinavian Airlines
7.4
Good
1,606 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

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
9,094 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

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
11,050 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

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.
Aer Lingus
7.2
Good
1,394 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

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

  • How popular is this Fremont to Ireland flight route?

    Flights from Fremont to Ireland have been viewed 30 times in the past calendar month.

  • How long is the flight from Fremont to Ireland?

    Departing from Fremont to Ireland will take you 15h 15m. The distance from Fremont to Ireland is about 5032 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Fremont to Ireland one-way?

    $232 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on WestJet and TAP AIR PORTUGAL, with prices starting from $243 and $274, respectively.

  • What are the most popular routes from Fremont to Ireland?

    Most travelers choose San Francisco - Dublin, San Francisco - Shannon or San Francisco - Cork when deciding on the best route from Fremont to Ireland.

  • What are the most reliable airlines from Fremont to Ireland?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Fremont to Ireland on time: Aer Lingus (92%), British Airways (84%), American Airlines (83%).

  • What are the cheapest flights from Fremont to Ireland?

    Looking at all options, your cheapest flight can be booked for $366. While the most popular route (San Francisco - Dublin) can be booked for $443 on average, our data indicates $2,761 when flying from Fremont to Ireland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fremont to Ireland 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 Ireland?

    Currently, August is the cheapest month in which you can book a flight from Fremont to Ireland (average of $455). Flying from Fremont to Ireland in June is currently the most expensive (average of $716). 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

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Top 10 airlines flying from Fremont to Ireland

Discover the top 10 airlines that operate flights from Fremont to Ireland. 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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$421Average$534FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$468Average$884FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$471Average$932FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$506Average$903FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$506Average$776FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$510Average$862FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$517Average$665FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$544Average$929FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$568Average$1,261FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$573Average$912FlexibilityNo cancel feeOn-time69%

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