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

The cheapet airlines for a one-way flight from Ireland to Orange County are WestJet (£467), Aer Lingus (£537), and British Airways (£618).

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

To save up to 43% on this flight, we recommend booking at least 24 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 £436 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 £507 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 24% 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.

£783+ Flights from Ireland to Orange County

Cheap flight deals from Ireland to Orange County

Round-trip from	£525
One-way from	£467
Popular in	July
Cheapest in	February
Average price	£576

United Airlines
5/8-12/8
4 total stops
49h 27m total
Ireland to Orange County

Search Deals

WestJet
12/8
2 total stops
56h 29m 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 June 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 24 June 2025.

Tue 5/809:20DUB - SNA

2 stops20h 57mUnited Airlines

Tue 12/818:40SNA - DUB

2 stops28h 30mUnited Airlines

Deal found 21/6£525

Mon 4/811:35DUB - SNA

1 stop15h 43mMultiple Airlines

Mon 11/806:45SNA - DUB

1 stop19h 00mMultiple Airlines

Deal found 22/6£573

Tue 5/812:00DUB - SNA

1 stop16h 04mDelta

Tue 12/806:45SNA - DUB

1 stop18h 00mDelta

Deal found 21/6£628

Fri 19/905:55DUB - LGB

2 stops18h 25mMultiple Airlines

Fri 3/1007:10LGB - DUB

2 stops40h 45mMultiple Airlines

Deal found 23/6£639

Mon 11/811:05DUB - SNA

2 stops18h 47mBritish Airways

Sun 17/811:34SNA - DUB

2 stops16h 21mBritish Airways

Deal found 21/6£645

Sat 19/705:55DUB - LGB

2 stops18h 31mDelta

Thu 24/707:01LGB - DUB

2 stops23h 59mDelta

Deal found 22/6£683

Thu 3/706:00DUB - LGB

2 stops18h 27mAir France

Sat 26/707:01LGB - DUB

2 stops23h 59mAir France

Deal found 23/6£763

Fri 19/912:15DUB - SNA

2 stops42h 15mIcelandair

Fri 3/1010:23SNA - DUB

2 stops18h 52mIcelandair

Deal found 23/6£773

Sat 16/811:35DUB - SNA

2 stops17h 12mLufthansa

Mon 1/909:37SNA - DUB

2 stops16h 43mLufthansa

Deal found 22/6£784

Tue 12/820:15DUB - SNA

3 stops29h 50mScandinavian Airlines

Mon 18/811:15SNA - DUB

3 stops23h 00mScandinavian Airlines

Deal found 23/6£791

Wed 2/711:35DUB - SNA

1 stop17h 45mAer Lingus

Mon 7/707:55SNA - DUB

1 stop13h 15mAer Lingus

Deal found 22/6£1,146

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 24 June 2025.

Tue 5/809:20DUB - SNA

2 stops20h 57mUnited Airlines

Tue 12/818:40SNA - DUB

2 stops28h 30mUnited Airlines

Deal found 21/6£525

Mon 4/811:35DUB - SNA

1 stop15h 43mMultiple Airlines

Mon 11/806:45SNA - DUB

1 stop19h 00mMultiple Airlines

Deal found 22/6£573

Tue 5/812:00DUB - SNA

1 stop16h 04mDelta

Tue 12/806:45SNA - DUB

1 stop18h 00mDelta

Deal found 21/6£628

Mon 11/811:05DUB - SNA

2 stops18h 47mBritish Airways

Sun 17/811:34SNA - DUB

2 stops16h 21mBritish Airways

Deal found 21/6£645

Thu 3/706:00DUB - LGB

2 stops18h 27mAir France

Sat 26/707:01LGB - DUB

2 stops23h 59mAir France

Deal found 23/6£763

Fri 19/912:15DUB - SNA

2 stops42h 15mIcelandair

Fri 3/1010:23SNA - DUB

2 stops18h 52mIcelandair

Deal found 23/6£773

Sat 16/811:35DUB - SNA

2 stops17h 12mLufthansa

Mon 1/909:37SNA - DUB

2 stops16h 43mLufthansa

Deal found 22/6£784

Tue 12/820:15DUB - SNA

3 stops29h 50mScandinavian Airlines

Mon 18/811:15SNA - DUB

3 stops23h 00mScandinavian Airlines

Deal found 23/6£791

Fri 19/905:55DUB - LGB

2 stops18h 25mMultiple Airlines

Fri 3/1007:10LGB - DUB

2 stops40h 45mMultiple Airlines

Deal found 23/6£639

Sat 19/705:55DUB - LGB

2 stops18h 31mDelta

Thu 24/707:01LGB - DUB

2 stops23h 59mDelta

Deal found 22/6£683

Last-minute flights from Ireland to Orange County
Discover last-minute flight deals from Ireland to Orange County. Data last updated 24 June 2025 and is based on user searches.

Tue 24/619:05DUB - SNA

2 stops31h 02mScandinavian Airlines

Sun 13/711:20SNA - DUB

2 stops24h 05mScandinavian Airlines

Deal found 22/6£1,076

Sat 28/609:20DUB - SNA

2 stops20h 25mUnited Airlines

Sat 5/709:38SNA - DUB

2 stops16h 42mUnited Airlines

Deal found 21/6£568

Sat 28/613:35DUB - SNA

1 stop16h 10mMultiple Airlines

Sat 5/706:45SNA - DUB

1 stop19h 00mMultiple Airlines

Deal found 21/6£730

Wed 2/706:00DUB - LGB

2 stops18h 27mMultiple Airlines

Mon 7/713:15LGB - DUB

2 stops35h 30mMultiple Airlines

Deal found 22/6£764

Wed 2/712:15DUB - SNA

2 stops18h 15mIcelandair

Mon 7/719:14SNA - DUB

2 stops31h 51mIcelandair

Deal found 22/6£1,041

Wed 2/711:35DUB - SNA

1 stop17h 45mAer Lingus

Mon 7/707:55SNA - DUB

1 stop13h 15mAer Lingus

Deal found 22/6£1,146

Thu 3/706:00DUB - LGB

2 stops18h 27mAir France

Sat 26/707:01LGB - DUB

2 stops23h 59mAir France

Deal found 23/6£763

Thu 3/720:15DUB - SNA

2 stops33h 14mScandinavian Airlines

Sat 26/711:20SNA - DUB

2 stops23h 00mScandinavian Airlines

Deal found 23/6£1,080

Fri 18/705:55DUB - SNA

2 stops20h 12mDelta

Wed 23/712:00SNA - DUB

2 stops19h 00mDelta

Deal found 22/6£644

Sat 19/705:55DUB - LGB

2 stops18h 31mDelta

Thu 24/707:01LGB - DUB

2 stops23h 59mDelta

Deal found 22/6£683

Sun 20/712:00DUB - SNA

2 stops18h 09mBritish Airways

Thu 24/716:30SNA - DUB

2 stops15h 15mBritish Airways

Deal found 22/6£3,850

One-way flights from Ireland to Orange County
Search for one-way flight options from Ireland to Orange County. Find affordable one-way fares based on user searches. Data last updated 24 June 2025.

Tue 12/811:30DUB - SNA

2 stops56h 29mWestJet

Deal found 22/6£467

Sun 20/715:35DUB - SNA

3 stops37h 46mMultiple Airlines

Deal found 22/6£472

Tue 23/911:35DUB - SNA

1 stop17h 45mAer Lingus

Deal found 21/6£537

Thu 24/710:40DUB - SNA

2 stops19h 11mBritish Airways

Deal found 22/6£618

Mon 11/810:00DUB - LGB

2 stops19h 43mDelta

Deal found 22/6£678

Thu 24/711:00DUB - SNA

1 stop19h 03mDelta

Deal found 22/6£718

Sat 12/709:20DUB - SNA

3 stops31h 54mUnited Airlines

Deal found 22/6£955

Tue 23/920:45DUB - LGB

2 stops33h 01mKLM

Deal found 21/6£973

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

Tue 5/8

09:20-22:17

2 stops20h 57m

Santa Ana J. Wayne/Orange Cnty

Tue 12/8

18:40-07:10

2 stops28h 30m

£525

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 4/8

11:35-19:18

1 stop15h 43m

Santa Ana J. Wayne/Orange Cnty

Mon 11/8

06:45-09:45

1 stop19h 00m

£573

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Tue 5/8

12:00-20:04

1 stop16h 04m

Santa Ana J. Wayne/Orange Cnty

Tue 12/8

06:45-08:45

1 stop18h 00m

£628

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Fri 19/9

05:55-16:20

2 stops18h 25m

Long Beach Municipal

Fri 3/10

07:10-07:55

2 stops40h 45m

£639

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Mon 11/8

11:05-21:52

2 stops18h 47m

Santa Ana J. Wayne/Orange Cnty

Sun 17/8

11:34-11:55

2 stops16h 21m

£645

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Sat 19/7

05:55-16:26

2 stops18h 31m

Long Beach Municipal

Thu 24/7

07:01-15:00

2 stops23h 59m

£683

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Thu 3/7

06:00-16:27

2 stops18h 27m

Long Beach Municipal

Sat 26/7

07:01-15:00

2 stops23h 59m

£763

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 19/9

12:15-22:30

2 stops42h 15m

Santa Ana J. Wayne/Orange Cnty

Fri 3/10

10:23-13:15

2 stops18h 52m

£773

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sat 16/8

11:35-20:47

2 stops17h 12m

Santa Ana J. Wayne/Orange Cnty

Mon 1/9

09:37-10:20

2 stops16h 43m

£784

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Tue 12/8

20:15-18:05

3 stops29h 50m

Santa Ana J. Wayne/Orange Cnty

Mon 18/8

11:15-18:15

3 stops23h 00m

£791

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 18 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

Rainfall in Orange County by month

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.

Temperature in Orange County by month

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).

Reviews of airlines servicing Orange County

See what other customers who have flown with Delta, KLM and Air France from Ireland to Orange County 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

7,966 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

7,966 reviews

Delta

8.0

Very Good

7,966 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

1,365 reviews

Delta

8.0

Very Good

7,966 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

1,470 reviews

Delta

8.0

Very Good

7,966 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

8,831 reviews

Delta

8.0

Very Good

7,966 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

Scandinavian Airlines

7.3

Good

1,402 reviews

Delta

8.0

Very Good

7,966 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

What are the cheapest airlines to fly from Ireland to Orange County one-way?
The cheapet airlines for a one-way flight from Ireland to Orange County are WestJet (£467), Aer Lingus (£537), and British Airways (£618).
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.

See more FAQs

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

Fresno Airterminal Airport car hire

Long Beach Municipal 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£457	Average£499	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.

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.

Cheap flights from Ireland to Orange County from £467

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 12/8. 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 24 June 2025.

Round-trip from

One-way 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 24 June 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 24 June 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

Rainfall in Orange County by month

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

Temperature in Orange County by month

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

Reviews of airlines servicing Orange County

See what other customers who have flown with Delta, KLM and Air France from Ireland to Orange County have to say. Users have also rated airlines in terms of 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.

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

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 24 June 2025.