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$138+ Cheap flights from Pittsburgh (PIT) to Irvine, CA

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LAX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Irvine are usually found in July or August, booked 61 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Pittsburgh to Irvine

Cheapest flights from Pittsburgh to Irvine
Explore the most affordable flight options available from Pittsburgh to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 pmPIT - LAX
1 stop8h 07mDelta
Wed 12/311:25 pmLAX - PIT
1 stop6h 11mDelta
Deal found 12/16$294
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 pmPIT - LAX
1 stop8h 07mDelta
Tue 12/306:00 amLAX - PIT
1 stop7h 43mDelta
Deal found 12/16$309
This Breeze Airways deal was found by Cheapflights users on 12/16. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:31 amPIT - LAX
Nonstop5h 43mBreeze Airways
Tue 12/3012:59 pmLAX - PIT
Nonstop4h 49mBreeze Airways
Deal found 12/16$328
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/257:40 amPIT - LAX
1 stop10h 16mDelta
Wed 12/315:30 amLAX - PIT
1 stop8h 50mDelta
Deal found 12/17$355
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/258:31 amPIT - LAX
1 stop7h 32mUnited Airlines
Wed 12/316:00 amLAX - PIT
1 stop7h 04mUnited Airlines
Deal found 12/17$361
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:20 pmPIT - LAX
1 stop8h 20mSouthwest
Thu 12/255:50 amLAX - PIT
1 stop6h 25mSouthwest
Deal found 12/17$362
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:20 amPIT - LAX
1 stop7h 23mDelta
Wed 12/3111:55 pmLAX - PIT
1 stop7h 25mDelta
Deal found 12/16$364
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:00 amPIT - LAX
1 stop14h 19mMultiple Airlines
Sun 12/2812:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Deal found 12/17$368
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:53 amPIT - LAX
1 stop11h 26mMultiple Airlines
Tue 12/3012:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Deal found 12/16$376
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/226:00 amPIT - LAX
1 stop7h 57mDelta
Wed 12/315:30 amLAX - PIT
1 stop8h 50mDelta
Deal found 12/16$379
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 pmPIT - LAX
1 stop8h 07mDelta
Mon 12/295:30 amLAX - PIT
1 stop8h 50mDelta
Deal found 12/16$382

Find flight deals from Pittsburgh to Irvine

Keep the following information in mind while searching for Pittsburgh to Irvine flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$275
(American Airlines)

One-way from

$138
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$420
Provider with most accurate pricing for Pittsburgh-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Los Angeles flights.
Search Deals
From Pittsburgh to Irvine
Search Deals
One-way flight from Pittsburgh to Irvine
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 December 18, 2025.
Use the filters below to find and compare flights from Pittsburgh to Irvine that are best for you.

Fly from

Pittsburgh

Fly to

Irvine

Route

Depart

Return

Price

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Mon 3/9

11:40 am-5:40 pm

1 stop9h 00m

Los Angeles

Fri 3/13

11:55 pm-9:46 am

1 stop6h 51m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Thu 4/30

7:25 pm-11:50 pm

1 stop7h 25m

Los Angeles

Fri 5/8

10:30 pm-9:35 am

1 stop8h 05m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Thu 1/8

5:32 pm-9:45 pm

1 stop7h 13m

Los Angeles

Tue 1/13

10:25 pm-9:44 am

1 stop8h 19m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Thu 1/8

5:32 pm-9:45 pm

1 stop7h 13m

Los Angeles

Fri 1/16

12:40 pm-11:46 pm

1 stop8h 06m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Thu 3/5

6:00 am-1:25 pm

1 stop10h 25m

Los Angeles

Fri 3/13

11:55 pm-9:46 am

1 stop6h 51m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Wed 1/7

6:19 am-10:52 am

1 stop7h 33m

Los Angeles

Thu 1/8

6:00 am-6:32 pm

1 stop9h 32m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Thu 3/5

6:00 am-10:58 am

1 stop7h 58m

Los Angeles

Mon 3/16

9:55 pm-10:35 am

1 stop9h 40m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Thu 4/30

7:25 pm-11:50 pm

1 stop7h 25m

Los Angeles

Sun 5/10

5:55 am-4:47 pm

1 stop7h 52m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Fri 1/23

7:19 am-12:11 pm

1 stop7h 52m

Los Angeles

Sun 1/25

10:55 pm-10:58 am

1 stop9h 03m

$277

PittsburghLos Angeles

PIT - LAX

PITLAX

Pittsburgh

Wed 5/6

10:30 am-5:09 pm

1 stop9h 39m

Los Angeles

Wed 5/13

9:00 am-6:32 pm

1 stop6h 32m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 22 results
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Best time to book a flight from Pittsburgh to Irvine

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

How far ahead should I book a flight from Pittsburgh to Irvine?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Irvine. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Pittsburgh to Irvine, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, June is the cheapest month in which you can book a flight from Pittsburgh to Irvine (average of $168). Flying from Pittsburgh to Irvine in February is currently the most expensive (average of $270). 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 PIT to IR9?

Find hourly flight availability from Pittsburgh to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to Irvine in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Pittsburgh to Irvine?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Irvine. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Pittsburgh to Irvine flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
Read through reviews of airlines operating flights from Pittsburgh to Irvine, such as Breeze Airways, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.2
Very good
248 reviews

Crew

8.8

Boarding

8.4

Food

6.7

Overall

8.2

Entertainment

6.7

Comfort

8.2

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Breeze Airways
8.2
Very good
248 reviews
Breeze Airways
8.2
Very good
248 reviews

Crew

8.8

Boarding

8.4

Food

6.7

Overall

8.2

Entertainment

6.7

Comfort

8.2

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Southwest
7.9
Good
4,250 reviews
Breeze Airways
8.2
Very good
248 reviews

Crew

8.8

Boarding

8.4

Food

6.7

Overall

8.2

Entertainment

6.7

Comfort

8.2

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Delta
7.9
Good
8,005 reviews
Breeze Airways
8.2
Very good
248 reviews

Crew

8.8

Boarding

8.4

Food

6.7

Overall

8.2

Entertainment

6.7

Comfort

8.2

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
United Airlines
7.4
Good
9,092 reviews
Breeze Airways
8.2
Very good
248 reviews

Crew

8.8

Boarding

8.4

Food

6.7

Overall

8.2

Entertainment

6.7

Comfort

8.2

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
American Airlines
7.2
Good
11,055 reviews
Breeze Airways
8.2
Very good
248 reviews

Crew

8.8

Boarding

8.4

Food

6.7

Overall

8.2

Entertainment

6.7

Comfort

8.2

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh 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 Pittsburgh to Irvine?

    If you book a flight to Irvine from Pittsburgh, you will be flying from Pittsburgh, which is the city’s only airport. Pittsburgh (PIT) is located 13.5 mi from the center of Pittsburgh. There is 1 flight from Pittsburgh to Irvine per day from 7 different airlines.

  • How popular is this Pittsburgh to Irvine flight route?

    Flights from Pittsburgh to Irvine have been viewed 2 times in the past calendar month.

  • How long is the flight from Pittsburgh to Irvine?

    Departing from Pittsburgh to Irvine will take you 9h. Pittsburgh and Irvine are separated by a distance of 2129 mi.

  • What are the cheapest airlines to fly from Pittsburgh to Irvine one-way?

    The cheapest airlines for a one-way flight from Pittsburgh to Irvine are Frontier ($71), Spirit Airlines ($89), and Breeze Airways ($99).

  • What are the most reliable airlines from Pittsburgh to Irvine?

    Before booking your flight to Irvine from Pittsburgh, check out the most reliable airlines to get you to your destination on time: Breeze Airways (89%), American Airlines (81%), Qantas Airways( 75%).

  • What are the cheapest flights from Pittsburgh to Irvine?

    While on average a flight from Pittsburgh to Irvine is generally $345, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Pittsburgh - Los Angeles), you can expect to pay $174 for that flight.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Pittsburgh to Irvine (average of $168). Flying from Pittsburgh to Irvine in February is currently the most expensive (average of $270). 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

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Top 7 airlines flying from Pittsburgh to Irvine

Discover the top 7 airlines that operate flights from Pittsburgh to Irvine. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$278FlexibilityNo cancel feeOn-time65%
FrontierCheapest$95Average$185FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$183Average$259FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$212Average$415FlexibilityNo cancel feeOn-time63%
DeltaCheapest$228Average$351FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$249Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$447FlexibilityNo cancel feeOn-time69%

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