Ireland

$276+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DUB
Aug 5 — Aug 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Ireland with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 31, 2025.

Round-trip from

$506
(Delta)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$935
From Fremont to Ireland
One-way flight from Fremont to Ireland
Highest demand for flights based on searches. 19% potential increase in price ($183 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 July 2025

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 July 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 8/105:50 amSFO - DUB
1 stop20h 10mDelta
Tue 8/266:00 amDUB - SFO
2 stops18h 06mDelta
Deal found 7/31$506
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Mon 12/15:20 pmSFO - DUB
Nonstop10h 05mAer Lingus
Mon 12/812:30 pmDUB - SFO
Nonstop11h 05mAer Lingus
Deal found 7/31$508
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:30 pmSFO - DUB
2 stops54h 20mScandinavian Airlines
Thu 11/611:15 amDUB - SFO
2 stops35h 20mScandinavian Airlines
Deal found 7/31$509
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/1312:20 amSFO - DUB
1 stop26h 00mUnited Airlines
Tue 8/269:50 amDUB - SFO
1 stop32h 48mUnited Airlines
Deal found 7/31$512
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:10 amSFO - DUB
1 stop16h 35mAir Canada
Thu 8/219:20 amDUB - SFO
2 stops19h 33mAir Canada
Deal found 7/30$516
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:20 pmSFO - DUB
1 stop14h 20mIberia
Wed 8/201:45 pmDUB - SFO
1 stop14h 06mIberia
Deal found 7/30$524
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/63:05 pmSFO - ORK
1 stop15h 55mMultiple Airlines
Wed 8/203:45 pmORK - SFO
1 stop29h 05mMultiple Airlines
Deal found 7/30$524
This oojo deal was found by Cheapflights users on 7/29. 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.
Tue 9/166:45 pmSFO - DUB
2 stops21h 10mTAP AIR PORTUGAL
Tue 9/236:50 pmDUB - SFO
1 stop27h 45mTAP AIR PORTUGAL
Deal found 7/29$527
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:40 amSFO - DUB
2 stops36h 35mMultiple Airlines
Mon 8/257:50 pmDUB - SFO
2 stops28h 20mMultiple Airlines
Deal found 7/30$529
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/63:05 pmSFO - ORK
1 stop15h 55mDelta
Wed 8/206:00 amORK - SFO
2 stops19h 17mDelta
Deal found 7/30$536
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 8/182:40 pmSFO - DUB
1 stop18h 15mLufthansa
Mon 8/258:00 pmDUB - SFO
2 stops24h 40mLufthansa
Deal found 7/31$545
This SWISS deal was found by Cheapflights users on 7/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:25 pmSFO - DUB
1 stop33h 10mSWISS
Mon 11/106:35 pmDUB - SFO
1 stop29h 55mSWISS
Deal found 7/31$547

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 July 31, 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 FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sun 8/10

5:50 am-10:00 am

1 stop20h 10m

Dublin

Tue 8/26

6:00 am-4:06 pm

2 stops18h 06m

$506

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 12/1

5:20 pm-11:25 am

Nonstop10h 05m

Dublin

Mon 12/8

12:30 pm-3:35 pm

Nonstop11h 05m

$508

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Thu 10/30

9:30 pm-10:50 am

2 stops54h 20m

Dublin

Thu 11/6

11:15 am-2:35 pm

2 stops35h 20m

$509

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Wed 8/13

12:20 am-10:20 am

1 stop26h 00m

Dublin

Tue 8/26

9:50 am-10:38 am

1 stop32h 48m

$512

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 8/16

7:10 am-8:15 am

2 stops17h 05m

Dublin

Tue 8/26

9:50 am-7:57 pm

2 stops18h 07m

$524

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 8/6

3:05 pm-3:00 pm

1 stop15h 55m

Cork

Wed 8/20

3:45 pm-12:50 pm

1 stop29h 05m

$524

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Tue 9/16

6:45 pm-11:55 pm

2 stops21h 10m

Dublin

Tue 9/23

6:50 pm-2:35 pm

1 stop27h 45m

$527

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Sat 8/16

11:40 am-8:15 am

2 stops36h 35m

Dublin

Mon 8/25

7:50 pm-4:10 pm

2 stops28h 20m

$529

San FranciscoCork

SFO - ORK

SFOORK

San Francisco

Wed 8/6

3:05 pm-3:00 pm

1 stop15h 55m

Cork

Wed 8/20

6:00 am-5:17 pm

2 stops19h 17m

$536

San FranciscoDublin

SFO - DUB

SFODUB

San Francisco

Mon 8/18

2:40 pm-4:55 pm

1 stop18h 15m

Dublin

Mon 8/25

8:00 pm-12:40 pm

2 stops24h 40m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 53 results
1
2
3
...
6

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 $509). Flying from Fremont to Ireland in June is currently the most expensive (average of $924). 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 July 31, 2025.

When flying from Fremont to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Tuesday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Fremont to Ireland

Explore weekly flight availability from Fremont to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from FR8 to IE0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 July 31, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France 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.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
8.0
Very good
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

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?

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

    $399 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and SWISS, with prices starting from $412 and $414, respectively.

  • What are the most popular routes 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 (78%), American Airlines (78%), British Airways (78%).

  • What are the cheapest flights from Fremont to Ireland?

    Looking at all options, your cheapest flight can be booked for $358. While the most popular route (San Francisco - Dublin) can be booked for $453 on average our data indicates $3,656 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 $509). Flying from Fremont to Ireland in June is currently the most expensive (average of $924). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$455Average$531FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$474Average$898FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$496Average$970FlexibilityNo cancel feeOn-time70%
SWISSCheapest$506Average$912FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$510Average$806FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$517Average$774FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$520Average$915FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$545Average$1,011FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$550Average$841FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$575Average$807FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.