HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$376+ Cheap flights from Orange County 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — DUB
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Orange County 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 Orange County to Ireland

Keep the following information in mind while searching for Orange County to Ireland flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$696
(Delta)

One-way from

$376
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$762
Provider with most accurate pricing for Los Angeles-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Dublin flights.
Search Deals
From Orange County to Ireland
Search Deals
One-way flight from Orange County to Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($202 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 April 2025
Search Deals

Find flight deals from Orange County to Ireland

Cheapest flights from Orange County to Ireland
Explore the most affordable flight options available from Orange County to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 10/227:10 amLGB - DUB
2 stops16h 45mDelta
Wed 11/199:45 amDUB - LGB
2 stops20h 01mDelta
Deal found 4/28$696
This United Airlines deal was found by Cheapflights users on 4/28. 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 10/96:45 amSNA - DUB
1 stop19h 00mUnited Airlines
Thu 10/239:50 amDUB - SNA
2 stops34h 21mUnited Airlines
Deal found 4/28$776
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Thu 10/97:20 amSNA - DUB
2 stops16h 25mMultiple Airlines
Thu 10/239:50 amDUB - SNA
2 stops34h 33mMultiple Airlines
Deal found 4/28$789
This KLM deal was found by Cheapflights users on 4/28. 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.
Thu 10/98:00 amSNA - DUB
1 stop15h 55mKLM
Thu 10/2311:00 amDUB - SNA
1 stop19h 20mKLM
Deal found 4/28$804
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Fri 7/251:30 pmSNA - DUB
2 stops58h 15mAir Canada
Sat 8/99:20 amDUB - SNA
1 stop35h 09mAir Canada
Deal found 4/28$815
This lastminute.com deal was found by Cheapflights users on 4/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:01 amLGB - DUB
2 stops41h 44mMultiple Airlines
Tue 5/2710:00 amDUB - LGB
2 stops19h 32mMultiple Airlines
Deal found 4/28$826
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:14 pmSNA - DUB
2 stops34h 01mIcelandair
Tue 8/192:15 pmDUB - SNA
2 stops40h 15mIcelandair
Deal found 4/28$858
This Delta deal was found by Cheapflights users on 4/28. 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 6/47:30 amSNA - SNN
2 stops19h 40mDelta
Fri 6/201:05 pmSNN - SNA
2 stops29h 17mDelta
Deal found 4/28$870
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 5/68:20 amSNA - SNN
2 stops17h 55mUnited Airlines
Thu 5/1512:30 pmSNN - SNA
1 stop17h 30mUnited Airlines
Deal found 4/27$901
This WestJet deal was found by Cheapflights users on 4/28. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1212:50 pmSNA - DUB
1 stop14h 00mWestJet
Thu 6/199:45 amDUB - SNA
2 stops58h 14mWestJet
Deal found 4/28$935
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 4/2912:00 pmSNA - DUB
1 stop12h 45mDelta
Tue 5/611:00 amDUB - SNA
1 stop16h 43mDelta
Deal found 4/28$1,018
This Bravofly deal was found by Cheapflights users on 4/28. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:54 pmLGB - DUB
2 stops33h 51mKLM
Tue 5/2710:00 amDUB - LGB
2 stops19h 32mKLM
Deal found 4/28$1,037

Cheapflights Fare Finder

Customize your flight search to find flights from Orange County 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 April 29, 2025.
Use the filters below to find and compare flights from Orange County to Ireland that are best for you.

Fly from

Orange County

Fly to

Ireland

Route

Depart

Return

Price

Long BeachDublin

LGB - DUB

LGBDUB

Long Beach Municipal

Wed 10/22

7:10 am-7:55 am

2 stops16h 45m

Dublin

Wed 11/19

9:45 am-9:46 pm

2 stops20h 01m

$696

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Thu 10/9

6:45 am-9:45 am

1 stop19h 00m

Dublin

Thu 10/23

9:50 am-12:11 pm

2 stops34h 21m

$776

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Thu 10/9

7:20 am-7:45 am

2 stops16h 25m

Dublin

Thu 10/23

9:50 am-12:23 pm

2 stops34h 33m

$789

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Thu 10/9

8:00 am-7:55 am

1 stop15h 55m

Dublin

Thu 10/23

11:00 am-10:20 pm

1 stop19h 20m

$804

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Fri 7/25

1:30 pm-7:45 am

2 stops58h 15m

Dublin

Sat 8/9

9:20 am-12:29 pm

1 stop35h 09m

$815

Long BeachDublin

LGB - DUB

LGBDUB

Long Beach Municipal

Mon 5/12

7:01 am-8:45 am

2 stops41h 44m

Dublin

Tue 5/27

10:00 am-9:32 pm

2 stops19h 32m

$826

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Tue 8/12

7:14 pm-1:15 pm

2 stops34h 01m

Dublin

Tue 8/19

2:15 pm-10:30 pm

2 stops40h 15m

$858

Santa AnaShannon

SNA - SNN

SNASNN

Santa Ana J. Wayne/Orange Cnty

Wed 6/4

7:30 am-11:10 am

2 stops19h 40m

Shannon

Fri 6/20

1:05 pm-10:22 am

2 stops29h 17m

$870

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Thu 6/12

12:50 pm-10:50 am

1 stop14h 00m

Dublin

Thu 6/19

9:45 am-11:59 am

2 stops58h 14m

$935

Santa AnaShannon

SNA - SNN

SNASNN

Santa Ana J. Wayne/Orange Cnty

Wed 6/4

10:35 am-7:30 am

1 stop12h 55m

Shannon

Fri 6/20

12:30 pm-9:44 pm

1 stop17h 14m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 37 results
1
2
3
4

Best time to book a flight from Orange County to Ireland

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

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

Currently, November is the cheapest month in which you can book a flight from Orange County to Ireland (average of $509). Flying from Orange County to Ireland in June is currently the most expensive (average of $1,006). 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 KFI to IE?

Find hourly flight availability from Orange County 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 April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to Ireland as you normally would.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Delta, KLM and United Airlines from Orange County to Ireland by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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.
Brussels Airlines
7.4
Good
345 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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.
Scandinavian Airlines
7.3
Good
1,349 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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

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

    $474 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 KLM and WestJet, with prices starting from $493 and $561, respectively.

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

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

  • How can I find direct flights from Orange County to Ireland?

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

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

    Yes. Cheapflights offers flight deals from Orange County 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 Orange County to Ireland?

    Currently, November is the cheapest month in which you can book a flight from Orange County to Ireland (average of $509). Flying from Orange County to Ireland in June is currently the most expensive (average of $1,006). 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 Orange County to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
Los Angeles to Charles de Gaulle flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Madrid flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Istanbul flights
San Francisco to Frankfurt flights
Los Angeles to London City flights
San Francisco to Orly flights
San Francisco to Gatwick flights
San Francisco to London City flights
Los Angeles to Frankfurt flights
Los Angeles to Gatwick flights
San Francisco to Istanbul flights
San Francisco to Lisbon flights
Los Angeles to Dublin flights
Los Angeles to Amsterdam flights
Los Angeles to Luton flights
Los Angeles to Athens flights
Los Angeles to Orly flights
San Francisco to Dublin flights
San Francisco to Malpensa flights
San Francisco to Amsterdam flights
San Francisco to Madrid flights
San Francisco to Zurich flights
Los Angeles to Lisbon flights
Los Angeles to Zurich flights
San Diego to Heathrow flights
San Francisco to Athens flights
San Francisco to Copenhagen flights
Los Angeles to Munich flights
Ontario to Charles de Gaulle flights
San Francisco to Linate flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Malpensa flights
San Francisco to Munich flights
Ontario to Heathrow flights
Burbank to Charles de Gaulle flights
Los Angeles to Vicenza flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Linate flights
Los Angeles to Sabiha Gokcen flights
Las Vegas to Heathrow flights
Burbank to Leonardo da Vinci/Fiumicino flights
Los Angeles to Copenhagen flights
Santa Ana to Leonardo da Vinci/Fiumicino flights

Top 4 airlines flying from Orange County to Ireland

Discover the top 4 airlines that operate flights from Orange County 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$543Average$853FlexibilityNo cancel feeOn-time75%
DeltaCheapest$611Average$676FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$686Average$951FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$838Average$1,197FlexibilityNo cancel feeOn-time71%

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.