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$101+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PIT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Pittsburgh are usually found in August or September, booked 66 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Irvine to Pittsburgh

Keep the following information in mind while searching for Irvine to Pittsburgh flight deals. Data was last updated July 31, 2025.

Round-trip from

$203
(FlightHub)

One-way from

$101
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$308
From Irvine to Pittsburgh
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One-way flight from Irvine to Pittsburgh
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Highest demand for flights based on searches. 18% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:58 pmLAX - PIT
1 stop8h 09mSpirit Airlines
Tue 8/268:12 amPIT - LAX
1 stop13h 51mSpirit Airlines
Deal found 7/30$203
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:59 pmLAX - PIT
Nonstop4h 49mBreeze Airways
Sun 9/219:31 amPIT - LAX
Nonstop5h 43mBreeze Airways
Deal found 7/29$205
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:35 pmLAX - PIT
1 stop14h 19mMultiple Airlines
Tue 9/28:12 amPIT - LAX
1 stop13h 51mMultiple Airlines
Deal found 7/29$213
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:09 amLAX - PIT
Nonstop4h 43mAmerican Airlines
Sat 10/45:52 pmPIT - LAX
Nonstop5h 01mAmerican Airlines
Deal found 7/29$229

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 July 31, 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

Mon 8/25

7:58 pm-7:07 am

1 stop8h 09m

Pittsburgh

Tue 8/26

8:12 am-7:03 pm

1 stop13h 51m

$203

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Thu 9/18

12:59 pm-8:48 pm

Nonstop4h 49m

Pittsburgh

Sun 9/21

9:31 am-12:14 pm

Nonstop5h 43m

$205

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Sat 8/23

10:35 pm-3:54 pm

1 stop14h 19m

Pittsburgh

Tue 9/2

8:12 am-7:03 pm

1 stop13h 51m

$213

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Wed 10/1

9:09 am-4:52 pm

Nonstop4h 43m

Pittsburgh

Sat 10/4

5:52 pm-7:53 pm

Nonstop5h 01m

$229

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Tue 9/2

12:38 pm-8:28 pm

Nonstop4h 50m

$101

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Sat 9/6

6:45 am-4:13 pm

1 stop6h 28m

$104

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Sat 8/30

6:15 am-4:45 pm

1 stop7h 30m

$124

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Wed 8/13

10:32 pm-2:29 pm

1 stop12h 57m

$135

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Sun 8/31

6:15 am-5:01 pm

1 stop7h 46m

$144

Los AngelesPittsburgh

LAX - PIT

LAXPIT

Los Angeles

Wed 9/3

9:09 am-4:52 pm

Nonstop4h 43m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 25, 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 66 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, August is the cheapest month in which you can book a flight from Irvine to Pittsburgh (average of $262). Flying from Irvine to Pittsburgh in November is currently the most expensive (average of $332). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Pittsburgh as you normally would.

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 Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to Pittsburgh

Explore weekly flight availability from Irvine to Pittsburgh. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from IR9 to PIT are scheduled on a Tuesday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

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 July 31, 2025.
See what other customers who have flown with Southwest, Delta, and Breeze Airways 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.
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Breeze Airways
8.0
Very good
191 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
8,049 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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. 8 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 3 inbound flights from Irvine per day.

  • How popular is this Irvine to Pittsburgh flight route?

    This flight path from Irvine to Pittsburgh was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Breeze Airways, with whom users have recently found tickets for as low as $101. However, be on the lookout for offers from Spirit Airlines and Southwest, 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 Qantas Airways (87%), American Airlines (83%) or Malaysia Airlines (77%) 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 $250 for a flight from Irvine to Pittsburgh. The cheapest flight overall is $99 while the most popular route, (Los Angeles - Pittsburgh) is currently priced at $183.

  • 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, August is the cheapest month in which you can book a flight from Irvine to Pittsburgh (average of $262). Flying from Irvine to Pittsburgh in November is currently the most expensive (average of $332). 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
Monroeville
Washington
Wexford
Belle Vernon

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Top 8 airlines flying from Irvine to Pittsburgh

Discover the top 8 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$293FlexibilityNo cancel feeOn-time65%
FrontierCheapest$101Average$220FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$113Average$254FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$161Average$321FlexibilityNo cancel feeOn-time75%
DeltaCheapest$173Average$400FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$221Average$459FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$252Average$420FlexibilityNo cancel feeOn-time71%

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