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$302+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DUB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Fremont to Ireland

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

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$519
(American Airlines)

One-way from

$302
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$692
Provider with most accurate pricing for San Francisco-Dublin flight deals.
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From Fremont to Ireland
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One-way flight from Fremont to Ireland
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Highest demand for flights based on searches. 18% potential increase in price ($169 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

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.
Mon 11/179:00 amSFO - ORK
2 stops18h 10mAmerican Airlines
Wed 12/37:40 amORK - SFO
2 stops20h 47mAmerican Airlines
Deal found 10/28$547
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:55 pmSFO - ORK
1 stop25h 30mDelta
Wed 12/36:00 amORK - SFO
1 stop13h 50mDelta
Deal found 10/28$550
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:39 amSFO - ORK
2 stops16h 06mKLM
Wed 12/36:00 amORK - SFO
1 stop13h 50mKLM
Deal found 10/28$551
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Wed 11/53:50 pmSFO - DUB
Nonstop10h 05mAer Lingus
Sun 11/91:30 pmDUB - SFO
Nonstop11h 05mAer Lingus
Deal found 10/30$588
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:53 pmSFO - DUB
2 stops52h 17mAir Canada
Sun 11/169:00 amDUB - SFO
1 stop20h 34mAir Canada
Deal found 10/29$589
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:30 amSFO - DUB
1 stop23h 15mDelta
Mon 12/85:55 amDUB - SFO
1 stop13h 55mDelta
Deal found 10/28$590
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:40 pmSFO - DUB
2 stops17h 05mLufthansa
Thu 11/279:20 amDUB - SFO
2 stops18h 15mLufthansa
Deal found 10/28$591
This United Airlines deal was found by Cheapflights users on 10/30. 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 10/311:25 pmSFO - DUB
1 stop13h 55mUnited Airlines
Tue 11/410:40 amDUB - SFO
2 stops17h 06mUnited Airlines
Deal found 10/30$592
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:44 pmSFO - DUB
2 stops23h 26mAir Canada
Wed 11/199:00 amDUB - SFO
2 stops20h 22mAir Canada
Deal found 10/28$594
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:35 pmSFO - DUB
2 stops19h 10mDelta
Mon 11/105:55 amDUB - SFO
1 stop13h 55mDelta
Deal found 10/28$595
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amSFO - DUB
1 stop19h 10mUnited Airlines
Sun 11/212:05 pmDUB - SFO
1 stop17h 00mUnited Airlines
Deal found 10/29$596
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:30 amSFO - DUB
1 stop16h 40mUnited Airlines
Fri 11/79:00 amDUB - SFO
2 stops21h 55mUnited Airlines
Deal found 10/29$597

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 October 30, 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 FranciscoCork

SFO - ORK

SFOORK

San Francisco

Mon 11/17

9:00 am-11:10 am

2 stops18h 10m

Cork

Wed 12/3

7:40 am-8:27 pm

2 stops20h 47m

$547

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Mon 11/17

1:55 pm-11:25 pm

1 stop25h 30m

Cork

Wed 12/3

6:00 am-11:50 am

1 stop13h 50m

$550

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 12/1

12:30 am-7:45 am

1 stop23h 15m

Dublin

Mon 12/8

5:55 am-11:50 am

1 stop13h 55m

$590

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Fri 1/9

5:30 pm-7:25 pm

1 stop17h 55m

Cork

Wed 1/14

7:40 am-3:00 pm

1 stop15h 20m

$590

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Thu 1/1

5:55 am-7:45 am

1 stop17h 50m

Dublin

Mon 2/16

1:25 pm-11:50 am

1 stop30h 25m

$590

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 11/5

10:40 am-3:45 pm

2 stops21h 05m

Dublin

Mon 11/10

5:55 am-11:50 am

1 stop13h 55m

$595

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 1/27

12:43 am-7:30 am

2 stops22h 47m

Dublin

Mon 2/2

9:00 am-9:39 pm

1 stop20h 39m

$597

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 1/14

1:55 pm-11:25 pm

1 stop25h 30m

Cork

Sun 1/18

6:00 am-11:50 am

1 stop13h 50m

$599

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 11/5

10:40 am-3:45 pm

2 stops21h 05m

Dublin

Sun 11/9

5:55 am-8:41 pm

2 stops22h 46m

$605

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Thu 1/8

12:43 am-7:30 am

2 stops22h 47m

Dublin

Tue 1/20

9:30 am-5:34 pm

1 stop16h 04m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 43 results
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2
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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, November is the cheapest month in which you can book a flight from Fremont to Ireland (average of $398). 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 October 30, 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 Thursday 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 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 October 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
7,993 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

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
7,993 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

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
8,998 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

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
11,030 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

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
1,361 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

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.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,993 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

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 35 times in the past calendar month.

  • How long is the flight from Fremont to Ireland?

    Departing from Fremont to Ireland will take you 18h 10m. The distance from Fremont to Ireland is about 5084 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?

    $302 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 JetBlue and KLM, with prices starting from $311 and $1,106, respectively.

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

    Most travelers choose San Francisco - Dublin, San Francisco - Cork or San Francisco - Shannon 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: American Airlines (76%), Aer Lingus (76%), Iberia (76%).

  • What are the cheapest flights from Fremont to Ireland?

    Looking at all options, your cheapest flight can be booked for $223. While the most popular route (San Francisco - Dublin) can be booked for $413 on average, our data indicates $2,785 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, November is the cheapest month in which you can book a flight from Fremont to Ireland (average of $398). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$421Average$534FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$495Average$944FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$498Average$929FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$510Average$876FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$517Average$724FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$533Average$901FlexibilityNo cancel feeOn-time71%
SWISSCheapest$539Average$799FlexibilityNo cancel feeOn-time79%
DeltaCheapest$544Average$919FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$569Average$919FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$578Average$814FlexibilityNo cancel feeOn-time77%

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