In terms of precipitation, rainfall in Orange County ranges from 0.0 - 78.0 inches per month. February is typically the wettest month, when rainfall can reach 78.0 mm. July is typically the driest time to visit Orange County when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Orange County, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 13.0 C).

How far in advance should I book a flight from Ireland to Orange County?

To save up to 48% on this flight, we recommend booking at least 20 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ireland to Orange County from £472 1-2 weeks out and tickets from £607 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ireland to Orange County?

February is one of the best times of the year to fly to Orange County from Ireland. Prices for February average £509 per person but you can even find prices for as low as £324. The most expensive prices can be found in the month of July. Opting for a February flight can save you 23% on your journey compared to booking in July

What is the cheapest time of day to fly from IE to KFI?

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Ireland to Orange County by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£429+ Flights from Ireland to Orange County

Cheap flight deals from Ireland to Orange County

Round-trip from	£429
Popular in	July
Cheapest in	February
Average price	£630

British Airways
1/9-7/9
4 total stops
45h 41m total
Ireland to Orange County

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£76 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Ireland to Orange County

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

Mon 1/920:55DUB - SNA

2 stops26h 51mBritish Airways

Sun 7/915:10SNA - DUB

2 stops18h 50mBritish Airways

Deal found 14/7£429

Thu 28/809:20DUB - SNA

2 stops31h 35mUnited Airlines

Thu 4/910:30SNA - DUB

1 stop15h 15mUnited Airlines

Deal found 14/7£531

Wed 27/811:45DUB - SNA

2 stops29h 12mMultiple Airlines

Wed 3/912:47SNA - DUB

1 stop12h 58mMultiple Airlines

Deal found 12/7£535

Mon 25/808:55DUB - SNA

2 stops21h 17mDelta

Sun 31/811:28SNA - DUB

2 stops19h 32mDelta

Deal found 14/7£547

Thu 28/805:55DUB - SNA

2 stops19h 31mLufthansa

Sun 31/811:30SNA - DUB

2 stops36h 40mLufthansa

Deal found 14/7£570

Wed 27/813:20DUB - LGB

2 stops16h 23mMultiple Airlines

Wed 3/907:01LGB - DUB

2 stops18h 59mMultiple Airlines

Deal found 13/7£577

Fri 29/805:55DUB - LGB

2 stops23h 48mDelta

Fri 5/917:08LGB - DUB

2 stops30h 47mDelta

Deal found 14/7£596

Wed 27/820:45DUB - LGB

2 stops27h 41mKLM

Sun 31/807:01LGB - DUB

2 stops40h 54mKLM

Deal found 14/7£632

Wed 29/1007:40DUB - SNA

2 stops20h 37mAer Lingus

Tue 11/1108:11SNA - DUB

2 stops18h 04mAer Lingus

Deal found 14/7£652

Sun 21/1211:30DUB - SNA

2 stops19h 00mIcelandair

Sat 10/110:15SNA - DUB

2 stops16h 00mIcelandair

Deal found 14/7£742

Fri 25/709:10DUB - LGB

2 stops39h 16mAir France

Tue 29/707:01LGB - DUB

2 stops23h 59mAir France

Deal found 14/7£937

Best flights from Ireland to Orange County
Discover carefully curated flight deals from Ireland to Orange County that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 July 2025.

Mon 1/920:55DUB - SNA

2 stops26h 51mBritish Airways

Sun 7/915:10SNA - DUB

2 stops18h 50mBritish Airways

Deal found 14/7£429

Thu 28/809:20DUB - SNA

2 stops33h 52mUnited Airlines

Thu 4/913:08SNA - DUB

1 stop14h 02mUnited Airlines

Deal found 14/7£531

Wed 27/811:45DUB - SNA

2 stops29h 12mMultiple Airlines

Wed 3/912:47SNA - DUB

1 stop12h 58mMultiple Airlines

Deal found 12/7£535

Mon 25/808:55DUB - SNA

2 stops21h 17mDelta

Sun 31/811:28SNA - DUB

2 stops19h 32mDelta

Deal found 14/7£547

Thu 28/805:55DUB - SNA

2 stops19h 31mLufthansa

Sun 31/811:30SNA - DUB

2 stops36h 40mLufthansa

Deal found 14/7£570

Wed 27/820:45DUB - LGB

2 stops27h 41mKLM

Sun 31/807:01LGB - DUB

2 stops40h 54mKLM

Deal found 14/7£632

Wed 29/1007:40DUB - SNA

2 stops20h 37mAer Lingus

Tue 11/1108:11SNA - DUB

2 stops18h 04mAer Lingus

Deal found 14/7£652

Sun 21/1211:30DUB - SNA

2 stops19h 00mIcelandair

Sat 10/110:15SNA - DUB

2 stops16h 00mIcelandair

Deal found 14/7£742

Fri 25/709:10DUB - LGB

2 stops39h 16mAir France

Tue 29/707:01LGB - DUB

2 stops23h 59mAir France

Deal found 14/7£937

Wed 27/813:20DUB - LGB

2 stops16h 23mMultiple Airlines

Wed 3/907:01LGB - DUB

2 stops18h 59mMultiple Airlines

Deal found 13/7£577

Fri 29/805:55DUB - LGB

2 stops23h 48mDelta

Fri 5/917:08LGB - DUB

2 stops30h 47mDelta

Deal found 14/7£596

Last-minute flights from Ireland to Orange County
Discover last-minute flight deals from Ireland to Orange County. Data last updated 15 July 2025 and is based on user searches.

Wed 16/712:15DUB - SNA

2 stops36h 46mIcelandair

Wed 30/719:14SNA - DUB

2 stops31h 51mIcelandair

Deal found 14/7£1,163

Fri 25/713:35DUB - SNA

2 stops39h 12mLufthansa

Tue 29/718:13SNA - DUB

2 stops32h 57mLufthansa

Deal found 14/7£710

Fri 25/709:10DUB - LGB

2 stops39h 16mAir France

Tue 29/707:01LGB - DUB

2 stops23h 59mAir France

Deal found 14/7£937

Fri 25/707:30DUB - SNA

2 stops21h 47mAer Lingus

Tue 29/710:19SNA - DUB

1 stop17h 21mAer Lingus

Deal found 14/7£1,218

Mon 25/808:55DUB - SNA

2 stops21h 17mDelta

Sun 31/811:28SNA - DUB

2 stops19h 32mDelta

Deal found 14/7£547

Wed 27/810:50DUB - SNA

2 stops18h 30mBritish Airways

Wed 3/909:15SNA - DUB

2 stops16h 30mBritish Airways

Deal found 12/7£525

Wed 27/811:45DUB - SNA

2 stops29h 12mMultiple Airlines

Wed 3/912:47SNA - DUB

1 stop12h 58mMultiple Airlines

Deal found 12/7£535

Wed 27/813:20DUB - LGB

2 stops16h 23mMultiple Airlines

Wed 3/907:01LGB - DUB

2 stops18h 59mMultiple Airlines

Deal found 13/7£577

Wed 27/820:45DUB - LGB

2 stops27h 41mKLM

Sun 31/807:01LGB - DUB

2 stops40h 54mKLM

Deal found 14/7£632

Thu 28/809:20DUB - SNA

2 stops33h 52mUnited Airlines

Thu 4/913:08SNA - DUB

1 stop14h 02mUnited Airlines

Deal found 14/7£531

Thu 28/805:55DUB - SNA

2 stops19h 31mLufthansa

Sun 31/811:30SNA - DUB

2 stops36h 40mLufthansa

Deal found 14/7£570

Thu 28/811:35DUB - SNA

1 stop17h 45mAer Lingus

Sun 31/810:38SNA - DUB

1 stop16h 02mAer Lingus

Deal found 14/7£771

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Orange County that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 1/9

20:55-15:46

2 stops26h 51m

Santa Ana J. Wayne/Orange Cnty

Sun 7/9

15:10-18:00

2 stops18h 50m

£429

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 28/8

09:20-11:12

2 stops33h 52m

Santa Ana J. Wayne/Orange Cnty

Thu 4/9

13:08-11:10

1 stop14h 02m

£531

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 27/8

11:45-08:57

2 stops29h 12m

Santa Ana J. Wayne/Orange Cnty

Wed 3/9

12:47-09:45

1 stop12h 58m

£535

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 25/8

08:55-22:12

2 stops21h 17m

Santa Ana J. Wayne/Orange Cnty

Sun 31/8

11:28-15:00

2 stops19h 32m

£547

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 28/8

05:55-17:26

2 stops19h 31m

Santa Ana J. Wayne/Orange Cnty

Sun 31/8

11:30-08:10

2 stops36h 40m

£570

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Wed 27/8

13:20-21:43

2 stops16h 23m

Long Beach Municipal

Wed 3/9

07:01-10:00

2 stops18h 59m

£577

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Fri 29/8

05:55-21:43

2 stops23h 48m

Long Beach Municipal

Fri 5/9

17:08-07:55

2 stops30h 47m

£596

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Wed 27/8

20:45-16:26

2 stops27h 41m

Long Beach Municipal

Sun 31/8

07:01-07:55

2 stops40h 54m

£632

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 29/10

07:40-21:17

2 stops20h 37m

Santa Ana J. Wayne/Orange Cnty

Tue 11/11

08:11-10:15

2 stops18h 04m

£652

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sun 21/12

11:30-22:30

2 stops19h 00m

Santa Ana J. Wayne/Orange Cnty

Sat 10/1

10:15-10:15

2 stops16h 00m

£742

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 13 results

Best time to book a flight from Ireland to Orange County

Have a flexible travel schedule? Discover the best time to fly to Orange County from Ireland with our price prediction graph.

Estimated return 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 Ireland to Orange County

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Orange County

Get a feel of what it's like to fly with Delta, KLM, andAir France from Ireland to Orange County by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,956 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.5

Good

1,466 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus

7.1

Good

1,165 reviews

Delta

8.0

Very Good

7,956 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Can I find deals for flights from Ireland to Orange County that include hotel bookings?
Yes. In addition to deals on Ireland to Orange County flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Orange County?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Orange County.
Can I find deals for business class flights from Ireland to Orange County?
Yes. Cheapflights offers flight deals from Ireland to Orange County by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to Orange County

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Complete your trip

Orange County car hire

Los Angeles Airport car hire

San Francisco Airport car hire

San Diego Airport car hire

San Jose Airport car hire

Sacramento Intl Airport car hire

Ontario Airport car hire

Oakland Airport car hire

Burbank Bob Hope Airport car hire

Long Beach Municipal Airport car hire

Fresno Airterminal Airport car hire

Palm Springs Airport car hire

Direct flights to United States

Top airline flying from Ireland to Orange County

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£456	Average£498	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Orange County?

Cheapflights makes it easy to find Ireland to Orange County flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Orange County?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ireland to Orange County for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ireland to Orange County with no change fees?

Yes! Cheapflights helps users easily find flights from Ireland to Orange County with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to Orange County become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Orange County on Cheapflights with our Price Alert feature and get notified when better prices are available.

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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.

Cheap flights from Ireland to Orange County from £429

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Orange County

Keep the following information in mind while searching for Ireland to Orange County flight deals. Data was last updated 15 July 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to Orange County

Cheapest flights from Ireland to Orange CountyExplore the most affordable flight options available from Ireland to Orange County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Explore the most affordable flight options available from Ireland to Orange County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Orange County that are best for you.

Best time to book a flight from Ireland to Orange County

Have a flexible travel schedule? Discover the best time to fly to Orange County from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Orange County

Reviews of airlines servicing Orange County

Get a feel of what it's like to fly with Delta, KLM, andAir France from Ireland to Orange County by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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 Ireland to Orange County

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

Top airline flying from Ireland to Orange County

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Orange County?

Why should you use Cheapflights to find cheap flight tickets from Ireland to Orange County?

Can Cheapflights find flights from Ireland to Orange County with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to Orange County become cheaper?

100% Free

Book with Flexibility

Travel Smart

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