HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$312+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — DUB
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$645
(Air Canada)

One-way from

$312
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$741
From Orange County to Ireland
Search Deals
One-way flight from Orange County to Ireland
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 14, 2025.

This Air Canada deal was found by Cheapflights users on 8/12. 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.
Mon 9/81:20 pmSNA - DUB
2 stops58h 25mAir Canada
Fri 9/199:20 amDUB - SNA
1 stop34h 58mAir Canada
Deal found 8/12$526
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 10/111:19 pmSNA - DUB
2 stops33h 51mUnited Airlines
Wed 10/229:20 amDUB - SNA
1 stop34h 58mUnited Airlines
Deal found 8/11$528
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/1510:39 amSNA - DUB
1 stop15h 06mUnited Airlines
Fri 10/249:20 amDUB - SNA
1 stop34h 58mUnited Airlines
Deal found 8/11$531
This Air Canada deal was found by Cheapflights users on 8/11. 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 10/156:50 amSNA - DUB
2 stops17h 25mAir Canada
Wed 10/229:20 amDUB - SNA
1 stop34h 58mAir Canada
Deal found 8/11$537
This Air Canada deal was found by Cheapflights users on 8/11. 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.
Sun 10/121:20 pmSNA - DUB
2 stops34h 55mAir Canada
Tue 10/219:50 amDUB - SNA
2 stops34h 28mAir Canada
Deal found 8/11$539
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/91:08 pmSNA - DUB
1 stop14h 02mUnited Airlines
Thu 9/189:20 amDUB - SNA
2 stops31h 35mUnited Airlines
Deal found 8/11$541
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/1510:39 amSNA - DUB
1 stop15h 06mUnited Airlines
Tue 10/219:50 amDUB - SNA
2 stops20h 16mUnited Airlines
Deal found 8/11$547
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/137:07 pmSNA - DUB
2 stops28h 03mUnited Airlines
Tue 10/219:50 amDUB - SNA
2 stops20h 40mUnited Airlines
Deal found 8/11$552
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/156:45 amSNA - DUB
1 stop19h 00mUnited Airlines
Thu 10/239:50 amDUB - SNA
2 stops31h 27mUnited Airlines
Deal found 8/11$553
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 10/119:05 pmSNA - DUB
2 stops27h 10mUnited Airlines
Tue 10/219:50 amDUB - SNA
2 stops20h 40mUnited Airlines
Deal found 8/11$554
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/137:07 pmSNA - DUB
2 stops28h 03mUnited Airlines
Thu 10/239:20 amDUB - SNA
1 stop16h 18mUnited Airlines
Deal found 8/11$557
This Delta deal was found by Cheapflights users on 8/13. 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.
Sun 11/27:00 amLGB - DUB
2 stops16h 45mDelta
Wed 11/129:45 amDUB - LGB
2 stops20h 01mDelta
Deal found 8/13$657

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 August 14, 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

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Mon 9/8

1:20 pm-7:45 am

2 stops58h 25m

Dublin

Fri 9/19

9:20 am-12:18 pm

1 stop34h 58m

$526

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Tue 9/9

1:20 pm-7:45 am

2 stops34h 25m

Dublin

Thu 9/18

9:20 am-12:18 pm

2 stops34h 58m

$526

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Tue 10/14

6:40 pm-7:10 am

2 stops28h 30m

Dublin

Wed 10/22

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Mon 10/13

6:11 pm-7:10 am

2 stops28h 59m

Dublin

Fri 10/24

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Tue 10/14

6:40 pm-7:10 am

2 stops28h 30m

Dublin

Fri 10/24

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Sat 10/11

6:40 pm-10:20 am

2 stops31h 40m

Dublin

Fri 10/24

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Sun 10/12

7:07 pm-9:45 am

2 stops30h 38m

Dublin

Wed 10/22

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Sun 10/12

7:07 pm-9:45 am

2 stops30h 38m

Dublin

Fri 10/24

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Sat 10/11

1:19 pm-7:10 am

2 stops33h 51m

Dublin

Wed 10/22

9:20 am-12:18 pm

1 stop34h 58m

$528

Santa AnaDublin

SNA - DUB

SNADUB

Santa Ana J. Wayne/Orange Cnty

Mon 10/13

6:11 pm-7:10 am

2 stops28h 59m

Dublin

Wed 10/22

9:20 am-12:18 pm

1 stop34h 58m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 47 results
1
2
3
...
5

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 $925). 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 August 14, 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.

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 August 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Orange County to Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

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?

    $390 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $438 and $694, 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 $925). 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
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
Los Angeles to Barcelona-El Prat flights
San Francisco to Istanbul flights
San Francisco to Gatwick flights
Los Angeles to Madrid flights
San Francisco to Barcelona-El Prat flights
San Francisco to London City flights
Los Angeles to London City flights
Los Angeles to Frankfurt flights
Los Angeles to Gatwick flights
San Francisco to Munich flights
Los Angeles to Orly flights
Los Angeles to Amsterdam flights
San Francisco to Lisbon flights
Ontario to Charles de Gaulle flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Munich flights
San Francisco to Amsterdam flights
San Francisco to Athens flights
San Francisco to Madrid flights
Los Angeles to Dublin flights
San Francisco to Dublin flights
Ontario to Heathrow flights
San Diego to Heathrow flights
Los Angeles to Luton flights
San Francisco to Stansted flights
San Francisco to Luton flights
San Francisco to Zurich flights
San Francisco to Frankfurt flights
Los Angeles to Stansted flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Vicenza flights
Burbank to Charles de Gaulle flights
San Francisco to Keflavik Intl flights
Los Angeles to Copenhagen flights
Los Angeles to Zurich flights
Los Angeles to Lisbon flights
Ontario to Madrid flights
Los Angeles to Otopeni Intl flights
Los Angeles to Sabiha Gokcen flights
San Francisco to Orly flights
San Francisco to Malpensa flights
San Francisco to Linate flights
Los Angeles to Linate flights

Top 3 airlines flying from Orange County to Ireland

Discover the top 3 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$611Average$676FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$686Average$947FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$697Average$1,019FlexibilityNo 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.