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 (£359), Delta (£562), and United Airlines (£865).

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

To save up to 39% on this flight, we recommend booking at least 28 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 £443 1-2 weeks out and tickets from £621 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 £512 per person but you can even find prices for as low as £329. The most expensive prices can be found in the month of July. Opting for a February flight can save you 28% 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.

£853+ Flights from Ireland to Orange County

Cheap flight deals from Ireland to Orange County

Round-trip from	£439
One-way from	£359
Popular in	July
Cheapest in	February
Average price	£490

Air France
18/6-4/7
3 total stops
35h 09m total
Ireland to Orange County

Search Deals

WestJet
19/7
2 total stops
34h 14m total
Ireland to Orange County

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£83 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 18 April 2025.

Wed 18/608:55DUB - SNA

2 stops19h 14mMultiple Airlines

Fri 4/708:00SNA - DUB

1 stop15h 55mMultiple Airlines

Deal found 17/4£439

Wed 21/509:20DUB - SNA

1 stop35h 12mAir Canada

Wed 28/513:35SNA - DUB

1 stop34h 10mAir Canada

Deal found 17/4£439

Wed 21/508:55DUB - SNA

2 stops19h 27mKLM

Wed 28/509:45SNA - DUB

2 stops14h 10mKLM

Deal found 17/4£442

Wed 18/610:00DUB - SNA

1 stop18h 09mAir France

Fri 4/708:00SNA - DUB

1 stop15h 55mAir France

Deal found 17/4£443

Fri 23/509:20DUB - SNA

1 stop35h 12mUnited Airlines

Fri 30/512:37SNA - DUB

1 stop14h 33mUnited Airlines

Deal found 18/4£444

Wed 21/505:55DUB - SNA

2 stops24h 32mDelta

Wed 28/509:45SNA - DUB

2 stops21h 15mDelta

Deal found 18/4£456

Wed 21/505:55DUB - LGB

2 stops18h 18mDelta

Wed 28/507:01LGB - DUB

2 stops23h 59mDelta

Deal found 17/4£496

Thu 1/512:00DUB - SNA

2 stops18h 27mBritish Airways

Thu 8/511:10SNA - DUB

2 stops16h 45mBritish Airways

Deal found 17/4£633

Sat 12/715:00DUB - LGB

2 stops33h 19mMultiple Airlines

Sat 26/712:59LGB - DUB

2 stops34h 56mMultiple Airlines

Deal found 18/4£779

Sat 12/713:45DUB - SNA

1 stop15h 37mAer Lingus

Sat 26/711:28SNA - DUB

2 stops19h 22mAer Lingus

Deal found 17/4£790

Sat 12/719:00DUB - SNA

2 stops35h 21mScandinavian Airlines

Sat 26/707:15SNA - DUB

2 stops27h 05mScandinavian Airlines

Deal found 17/4£1,048

Thu 23/1014:15DUB - SNA

2 stops40h 15mIcelandair

Tue 28/1010:55SNA - DUB

2 stops16h 20mIcelandair

Deal found 17/4£2,212

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 18 April 2025.

Wed 18/608:55DUB - SNA

2 stops19h 14mMultiple Airlines

Fri 4/708:00SNA - DUB

1 stop15h 55mMultiple Airlines

Deal found 17/4£439

Wed 21/509:20DUB - SNA

1 stop35h 12mAir Canada

Wed 28/513:35SNA - DUB

1 stop34h 10mAir Canada

Deal found 17/4£439

Wed 21/508:55DUB - SNA

2 stops19h 27mKLM

Wed 28/509:45SNA - DUB

2 stops14h 10mKLM

Deal found 17/4£442

Wed 18/610:00DUB - SNA

1 stop18h 09mAir France

Fri 4/708:00SNA - DUB

1 stop15h 55mAir France

Deal found 17/4£443

Fri 23/509:20DUB - SNA

1 stop35h 12mUnited Airlines

Fri 30/510:35SNA - DUB

1 stop15h 10mUnited Airlines

Deal found 17/4£444

Wed 21/505:55DUB - SNA

2 stops24h 32mDelta

Wed 28/509:45SNA - DUB

2 stops21h 15mDelta

Deal found 18/4£456

Thu 1/512:00DUB - SNA

2 stops18h 27mBritish Airways

Thu 8/511:10SNA - DUB

2 stops16h 45mBritish Airways

Deal found 17/4£633

Sat 12/713:45DUB - SNA

1 stop15h 37mAer Lingus

Sat 26/711:28SNA - DUB

2 stops19h 22mAer Lingus

Deal found 17/4£790

Wed 21/505:55DUB - LGB

2 stops18h 18mDelta

Wed 28/507:01LGB - DUB

2 stops23h 59mDelta

Deal found 17/4£496

Sat 12/719:00DUB - SNA

2 stops35h 21mScandinavian Airlines

Sat 26/707:15SNA - DUB

2 stops27h 05mScandinavian Airlines

Deal found 17/4£1,048

Sat 12/715:00DUB - LGB

2 stops33h 19mMultiple Airlines

Sat 26/712:59LGB - DUB

2 stops34h 56mMultiple Airlines

Deal found 18/4£779

Sat 20/914:15DUB - SNA

2 stops40h 15mIcelandair

Sat 27/910:41SNA - DUB

2 stops16h 24mIcelandair

Deal found 17/4£3,665

Last-minute flights from Ireland to Orange County
Discover last-minute flight deals from Ireland to Orange County. Data last updated 18 April 2025 and is based on user searches.

Sat 26/411:10DUB - SNA

2 stops17h 23mDelta

Wed 30/407:05SNA - DUB

2 stops23h 55mDelta

Deal found 18/4£456

Sat 26/411:00DUB - SNA

1 stop16h 43mKLM

Wed 30/408:05SNA - DUB

1 stop15h 50mKLM

Deal found 18/4£465

Thu 1/512:00DUB - SNA

2 stops18h 27mBritish Airways

Thu 8/511:10SNA - DUB

2 stops16h 45mBritish Airways

Deal found 17/4£633

Thu 1/510:00DUB - LGB

2 stops38h 16mAir France

Thu 22/507:01LGB - DUB

2 stops16h 54mAir France

Deal found 18/4£3,665

Wed 21/509:20DUB - SNA

1 stop35h 12mAir Canada

Wed 28/513:35SNA - DUB

1 stop34h 10mAir Canada

Deal found 17/4£439

Wed 21/508:55DUB - SNA

2 stops19h 27mKLM

Wed 28/509:45SNA - DUB

2 stops14h 10mKLM

Deal found 17/4£442

Wed 21/505:55DUB - SNA

2 stops24h 32mDelta

Wed 28/509:45SNA - DUB

2 stops21h 15mDelta

Deal found 18/4£456

Wed 21/505:55DUB - LGB

2 stops18h 18mDelta

Wed 28/507:01LGB - DUB

2 stops23h 59mDelta

Deal found 17/4£496

Wed 21/510:20DUB - SNA

3 stops34h 12mMultiple Airlines

Wed 28/519:58SNA - DUB

2 stops30h 52mMultiple Airlines

Deal found 17/4£648

Fri 23/509:20DUB - SNA

1 stop35h 12mUnited Airlines

Fri 30/510:35SNA - DUB

2 stops16h 35mUnited Airlines

Deal found 17/4£444

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 18 April 2025.

Sat 19/709:45DUB - SNA

2 stops34h 14mWestJet

Deal found 17/4£359

Sat 19/713:25DUB - SNA

1 stop16h 34mMultiple Airlines

Deal found 17/4£516

Thu 12/612:00DUB - LGB

2 stops17h 41mDelta

Deal found 18/4£562

Thu 12/609:20DUB - SNA

3 stops31h 54mUnited Airlines

Deal found 18/4£865

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

Wed 18/6

08:55-20:09

2 stops19h 14m

Santa Ana J. Wayne/Orange Cnty

Fri 4/7

08:00-07:55

1 stop15h 55m

£439

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 21/5

09:20-12:32

1 stop35h 12m

Santa Ana J. Wayne/Orange Cnty

Wed 28/5

13:35-07:45

1 stop34h 10m

£439

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 21/5

08:55-20:22

2 stops19h 27m

Santa Ana J. Wayne/Orange Cnty

Wed 28/5

09:45-07:55

2 stops14h 10m

£442

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 18/6

10:00-20:09

1 stop18h 09m

Santa Ana J. Wayne/Orange Cnty

Fri 4/7

08:00-07:55

1 stop15h 55m

£443

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 23/5

09:20-12:32

1 stop35h 12m

Santa Ana J. Wayne/Orange Cnty

Fri 30/5

10:35-11:10

2 stops16h 35m

£444

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Wed 21/5

05:55-22:27

2 stops24h 32m

Santa Ana J. Wayne/Orange Cnty

Wed 28/5

09:45-15:00

2 stops21h 15m

£456

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Wed 21/5

05:55-16:13

2 stops18h 18m

Long Beach Municipal

Wed 28/5

07:01-15:00

2 stops23h 59m

£496

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Thu 1/5

12:00-22:27

2 stops18h 27m

Santa Ana J. Wayne/Orange Cnty

Thu 8/5

11:10-11:55

2 stops16h 45m

£633

DublinLong Beach

DUB - LGB

DUBLGB

Dublin

Sat 12/7

15:00-16:19

2 stops33h 19m

Long Beach Municipal

Sat 26/7

12:59-07:55

2 stops34h 56m

£779

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Sat 12/7

13:45-21:22

1 stop15h 37m

Santa Ana J. Wayne/Orange Cnty

Sat 26/7

11:28-14:50

2 stops19h 22m

£790

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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

7,917 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

7,917 reviews

Delta

8.0

Very Good

7,917 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

1,329 reviews

Delta

8.0

Very Good

7,917 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

1,435 reviews

Delta

8.0

Very Good

7,917 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

8,667 reviews

Delta

8.0

Very Good

7,917 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

1,335 reviews

Delta

8.0

Very Good

7,917 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 (£359), Delta (£562), and United Airlines (£865).
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

Heathrow to Los Angeles flights

Heathrow to San Francisco flights

Heathrow to Las Vegas flights

London City to Los Angeles flights

Gatwick to Los Angeles flights

Gatwick to San Francisco flights

Luton to Los Angeles flights

London City to San Francisco flights

Gatwick to Las Vegas flights

Heathrow to Ontario flights

London City to Las Vegas flights

Heathrow to Santa Ana flights

Heathrow to San Jose flights

Heathrow to Burbank flights

Heathrow to Long Beach flights

Heathrow to San Diego flights

Manchester to Las Vegas flights

Heathrow to Oakland flights

Gatwick to Santa Ana flights

Gatwick to San Jose flights

Gatwick to Burbank flights

Gatwick to Oakland flights

Manchester to Los Angeles flights

Stansted to San Francisco flights

Stansted to Los Angeles flights

Luton to San Francisco flights

Manchester to San Francisco flights

London City to Santa Ana flights

London City to San Diego flights

Gatwick to San Diego flights

Manchester to Santa Ana flights

Luton to Las Vegas flights

Birmingham to Los Angeles flights

Manchester to Ontario flights

Stansted to Las Vegas flights

London City to Burbank flights

Edinburgh to Los Angeles flights

Heathrow to Reno flights

Southend to Los Angeles flights

Heathrow to San Luis Obispo flights

Edinburgh to San Francisco flights

Manchester to San Jose flights

Aberdeen to Los Angeles flights

Heathrow to Sacramento flights

London City to Oakland flights

Bruxelles-National to Los Angeles flights

Glasgow Intl to San Francisco flights

Gatwick to Reno flights

Newcastle upon Tyne to Los Angeles flights

Glasgow Intl to Los Angeles flights

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

Palm Springs Airport car hire

Fresno Airterminal Airport car hire

Long Beach Municipal 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£484	Average£507	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 £359

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 19/7. 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 18 April 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 18 April 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 18 April 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 18 April 2025.