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Irvine

$144+ Cheap flights from Ontario (ONT) to Irvine, CA

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAX
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Ontario to Irvine

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

Round-trip from

$161
(Kissandfly.com)
From Ontario to Irvine
Search Deals

Find flight deals from Ontario to Irvine

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

This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amONT - LAX
1 stop6h 06mFrontier
Mon 6/23:48 pmLAX - ONT
1 stop5h 03mFrontier
Deal found 4/28$144
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amONT - LAX
1 stop6h 58mHawaiian Airlines
Mon 6/211:55 amLAX - ONT
1 stop6h 30mHawaiian Airlines
Deal found 4/29$316
This Sembo 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amONT - LAX
1 stop6h 58mMultiple Airlines
Mon 6/29:25 amLAX - ONT
2 stops9h 00mMultiple Airlines
Deal found 4/28$512

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Irvine 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 Ontario to Irvine that are best for you.

Fly from

Ontario

Fly to

Irvine

Route

Depart

Return

Price

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 5/29

6:00 am-12:06 pm

1 stop6h 06m

Los Angeles

Mon 6/2

3:48 pm-8:51 pm

1 stop5h 03m

$161

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 5/29

6:00 am-12:58 pm

1 stop6h 58m

Los Angeles

Mon 6/2

11:55 am-6:25 pm

1 stop6h 30m

$316

OntarioLos Angeles

ONT - LAX

ONTLAX

Ontario

Thu 5/29

6:00 am-12:58 pm

1 stop6h 58m

Los Angeles

Mon 6/2

8:03 am-6:25 pm

2 stops10h 22m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Ontario to Irvine

Have a flexible travel schedule? Discover the best time to fly to Irvine from Ontario 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 Ontario to Irvine

What is the cheapest month to book a flight from Ontario to Irvine?

Currently, January is the cheapest month in which you can book a flight from Ontario to Irvine (average of $246). Flying from Ontario to Irvine in March is currently the most expensive (average of $327). 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.

Rainfall in Irvine by month

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

In terms of precipitation, rainfall in Irvine ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Irvine when rainfall is around 0.0 in.

Temperature in Irvine by month

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

If weather is an important factor for your trip to Irvine, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing Irvine

Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated April 29, 2025.
Hawaiian Airlines
7.9
Good
2,406 reviews

Boarding

8.1

Comfort

7.7

Food

7.0

Entertainment

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

LAX - HNL

The whole experience was amazing. Recommend 100%. Keep up the great work!
Hawaiian Airlines
7.9
Good
2,406 reviews
Hawaiian Airlines
7.9
Good
2,406 reviews

Boarding

8.1

Comfort

7.7

Food

7.0

Entertainment

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

LAX - HNL

The whole experience was amazing. Recommend 100%. Keep up the great work!
Frontier
6.0
Okay
3,287 reviews
Hawaiian Airlines
7.9
Good
2,406 reviews

Boarding

8.1

Comfort

7.7

Food

7.0

Entertainment

7.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

LAX - HNL

The whole experience was amazing. Recommend 100%. Keep up the great work!

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Irvine?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Irvine from Ontario. Booking flights from Ontario (ONT) to Irvine should be relatively easy as there are 0 daily outbound flights to Irvine from 0 different airlines.

  • Can I find deals for flights from Ontario to Irvine that include hotel bookings?

    Yes. In addition to deals on Ontario to Irvine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Irvine?

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

  • Can I find deals for business class flights from Ontario to Irvine?

    Yes. Cheapflights offers flight deals from Ontario to Irvine 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 Ontario to Irvine?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Irvine (average of $246). Flying from Ontario to Irvine in March is currently the most expensive (average of $327). 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.

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