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$139+ Cheap flights from Irvine, CA to Pittsburgh (PIT)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PIT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Pittsburgh are usually found in August or April, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Irvine to Pittsburgh

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

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Wed 1/78:00 amPIT - LAX
1 stop14h 19mMultiple Airlines
Deal found 12/17$275
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 12/2910:59 pmLAX - PIT
1 stop7h 51mDelta
Thu 1/16:00 amPIT - LAX
1 stop7h 57mDelta
Deal found 12/16$306
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:20 pmLAX - PIT
2 stops33h 38mSpirit Airlines
Wed 1/78:00 amPIT - LAX
1 stop14h 19mSpirit Airlines
Deal found 12/17$309
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Mon 1/51:54 pmPIT - LAX
1 stop27h 53mMultiple Airlines
Deal found 12/16$314
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmLAX - PIT
1 stop20h 00mMultiple Airlines
Tue 1/610:53 amPIT - LAX
1 stop11h 26mMultiple Airlines
Deal found 12/17$322
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Sun 1/410:53 amPIT - LAX
3 stops52h 49mMultiple Airlines
Deal found 12/16$330
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 12/311:25 pmLAX - PIT
1 stop6h 11mDelta
Thu 1/16:00 amPIT - LAX
1 stop7h 57mDelta
Deal found 12/16$345
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.
Tue 12/3012:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Fri 1/25:07 pmPIT - LAX
1 stop10h 23mMultiple Airlines
Deal found 12/16$346
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:59 pmLAX - PIT
Nonstop4h 49mMultiple Airlines
Wed 12/3110:53 amPIT - LAX
3 stops47h 25mMultiple Airlines
Deal found 12/16$350

Find flight deals from Irvine to Pittsburgh

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

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$259
(Mytrip)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

August

Average price

$479
Provider with most accurate pricing for Los Angeles-Pittsburgh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Pittsburgh flights.
Search Deals
From Irvine to Pittsburgh
Search Deals
One-way flight from Irvine to Pittsburgh
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 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 Irvine to Pittsburgh 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 Irvine to Pittsburgh that are best for you.

Fly from

Irvine

Fly to

Pittsburgh

Route

Depart

Return

Price

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Fri 1/30

12:35 pm-11:55 pm

1 stop8h 20m

Pittsburgh

Wed 2/4

5:00 pm-11:56 pm

1 stop9h 56m

$265

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Sat 1/24

7:00 am-8:00 pm

1 stop10h 00m

Pittsburgh

Mon 1/26

9:00 am-5:39 pm

1 stop11h 39m

$265

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Wed 1/21

11:35 am-11:55 pm

1 stop9h 20m

Pittsburgh

Sun 1/25

6:00 am-12:49 pm

1 stop9h 49m

$265

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Thu 1/22

7:00 am-8:00 pm

1 stop10h 00m

Pittsburgh

Mon 1/26

5:00 pm-11:56 pm

1 stop9h 56m

$265

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Tue 2/3

11:55 am-11:42 pm

1 stop8h 47m

Pittsburgh

Sun 2/8

6:19 am-10:45 am

1 stop7h 26m

$277

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Thu 3/5

2:03 pm-6:35 pm

1 stop25h 32m

Pittsburgh

Sun 3/8

7:31 pm-8:55 am

1 stop16h 24m

$277

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Fri 1/30

11:55 pm-9:49 am

1 stop6h 54m

Pittsburgh

Sun 2/1

6:00 am-11:00 am

1 stop8h 00m

$277

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Wed 1/28

6:00 am-3:58 pm

1 stop6h 58m

Pittsburgh

Thu 2/5

11:55 am-6:35 pm

1 stop9h 40m

$277

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Fri 1/16

1:15 pm-11:42 pm

1 stop7h 27m

Pittsburgh

Mon 1/19

6:32 am-2:01 pm

1 stop10h 29m

$277

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Tue 2/17

11:55 pm-12:36 pm

1 stop9h 41m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 17 results
1
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Best time to book a flight from Irvine to Pittsburgh

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

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

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

The price you pay for your flight from Irvine to Pittsburgh may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, July is the cheapest month in which you can book a flight from Irvine to Pittsburgh (average of $109). Flying from Irvine to Pittsburgh in February is currently the most expensive (average of $260). 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 IR9 to PIT?

Find hourly flight availability from Irvine to Pittsburgh. 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.

It’s optimal to fly from Irvine to Pittsburgh in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

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

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

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

Reviews of airlines servicing Pittsburgh

Get insights into the airlines that provide service to Pittsburgh. 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 Pittsburgh. Reviews last updated December 18, 2025.
See what other customers who have flown with Breeze Airways, Southwest, and Delta from Irvine to Pittsburgh have to say. You can also see how each airline compares in terms of 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 Irvine to Pittsburgh. 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 into for flights to Pittsburgh from Irvine?

    Pittsburgh (PIT), located 13.5 mi from the city center, is the airport you fly into when you book flights from Irvine to Pittsburgh. 7 airlines have flights to Pittsburgh from Irvine on a regular basis. Booking flights from Irvine to Pittsburgh should not be difficult; the airport handles an average of 1 inbound flight from Irvine per day.

  • How popular is this Irvine to Pittsburgh flight route?

    This flight path from Irvine to Pittsburgh was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Irvine to Pittsburgh?

    For as low as $265, JetBlue can have you in Pittsburgh from Irvine in 8h 20m. Airlines will cover a distance of 2129 mi.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $79. However, be on the lookout for offers from Frontier and Breeze Airways, as they are both options that can get you from Irvine to Pittsburgh for a low price.

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

    Consider Breeze Airways (85%), Malaysia Airlines (71%) or American Airlines (60%) when booking your flight. These represent the most reliable airlines when flying from Irvine to Pittsburgh.

  • What are the cheapest flights from Irvine to Pittsburgh?

    On average you can expect to pay $323 for a flight from Irvine to Pittsburgh. The cheapest flight overall is $89 while the most popular route, (Los Angeles - Pittsburgh) is currently priced at $164.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Irvine to Pittsburgh (average of $109). Flying from Irvine to Pittsburgh in February is currently the most expensive (average of $260). 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

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Mars
Steubenville
Washington
Monroeville
Wexford
Belle Vernon

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Alternative routes for Irvine to Pittsburgh

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Top 7 airlines flying from Irvine to Pittsburgh

Discover the top 7 airlines that operate flights from Irvine to Pittsburgh. 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$90Average$246FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$112Average$265FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$140Average$220FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$378FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$214Average$404FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$253Average$415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$272Average$430FlexibilityNo cancel feeOn-time69%

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