$154+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PIT
Sep 7 — Sep 141
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to Pittsburgh with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Irvine to Pittsburgh are usually found in September or May, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Irvine to Pittsburgh
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to PittsburghExplore 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 August 8, 2026.
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 August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/7. 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.
Mon 8/318:35 am -
2 stops8h 40m
Sun 9/67:30 am -
1 stop6h 35m
Deal found 8/7![Southwest logo]()
$334
This CheapOair deal was found by Cheapflights users on 8/4. 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.
Sun 8/308:50 am -
1 stop9h 38m
Mon 8/317:10 pm -
1 stop26h 08m
Deal found 8/4![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/2712:39 pm -
Nonstop4h 52m
Sun 8/307:10 pm -
1 stop26h 02m
Deal found 8/3![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/179:29 pm -
1 stop8h 21m
Sun 8/237:10 pm -
1 stop26h 02m
Deal found 8/3![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/2712:39 pm -
Nonstop4h 52m
Tue 9/89:35 am -
Nonstop5h 19m
Deal found 8/4![Breeze Airways logo]()
$338
This Kissandfly.com deal was found by Cheapflights users on 8/6. 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.
Sun 8/3012:39 pm -
Nonstop4h 52m
Sun 9/64:06 pm -
1 stop10h 19m
Deal found 8/6![Breeze Airways logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/179:29 pm -
1 stop8h 21m
Sun 8/239:35 am -
Nonstop5h 19m
Deal found 8/3![Breeze Airways logo]()
$340
This Super.com deal was found by Cheapflights users on 8/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:00 pm -
1 stop10h 04m
Sat 9/122:32 pm -
1 stop30h 38m
Deal found 8/6![Frontier logo]()
$341
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 9/55:20 am -
2 stops9h 15m
Sun 9/66:55 am -
1 stop7h 45m
Deal found 8/4![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 10/109:00 am -
Nonstop4h 46m
Tue 10/133:44 pm -
Nonstop5h 19m
Deal found 8/5![United Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/3012:39 pm -
Nonstop4h 52m
Sat 9/52:25 pm -
3 stops36h 39m
Deal found 8/3![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/7. 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.
Sun 8/305:35 am -
1 stop8h 08m
Sun 9/612:17 pm -
1 stop8h 16m
Deal found 8/7![Delta logo]()
$345
Best flights from Irvine to PittsburghDiscover carefully curated flight deals from Irvine to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
Discover carefully curated flight deals from Irvine to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 10/308:25 am -
2 stops8h 50m
Mon 11/21:25 pm -
1 stop9h 50m
Deal found 8/4![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 8/7. 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.
Fri 8/287:15 am -
1 stop6h 28m
Mon 8/316:47 am -
1 stop7h 25m
Deal found 8/7![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:50 pm -
1 stop9h 35m
Mon 9/286:28 pm -
1 stop18h 06m
Deal found 8/7![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Sun 9/68:50 am -
Nonstop4h 46m
Fri 9/111:00 pm -
1 stop8h 07m
Deal found 8/4![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 8/7. 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.
Fri 10/1612:50 am -
1 stop7h 40m
Sat 10/176:30 pm -
1 stop7h 10m
Deal found 8/7![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 8/3. 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.
Mon 8/248:35 am -
2 stops8h 40m
Sat 8/291:20 pm -
1 stop7h 35m
Deal found 8/3![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 8/5. 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 8/182:00 pm -
1 stop7h 36m
Sat 8/296:35 am -
1 stop6h 35m
Deal found 8/5![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 8/7. 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.
Wed 9/236:10 am -
2 stops9h 30m
Mon 10/54:20 pm -
2 stops10h 35m
Deal found 8/7![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 8/6. 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.
Fri 10/167:15 am -
1 stop6h 29m
Sun 10/185:39 pm -
1 stop9h 16m
Deal found 8/6![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 9/311:20 am -
2 stops8h 55m
Fri 9/257:25 pm -
1 stop6h 50m
Deal found 8/3![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 8/4. 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.
Mon 8/3111:20 am -
2 stops7h 45m
Sat 9/58:20 am -
2 stops16h 05m
Deal found 8/4![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 8/7. 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.
Sat 10/108:05 am -
2 stops10h 45m
Mon 10/124:20 pm -
2 stops10h 35m
Deal found 8/7![Southwest logo]()
$435
Last-minute flights from Irvine to PittsburghDiscover last-minute flight deals from Irvine to Pittsburgh. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Pittsburgh. Data last updated August 8, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:00 pm -
1 stop10h 04m
Sat 9/122:32 pm -
1 stop30h 38m
Deal found 8/6![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/179:29 pm -
1 stop8h 21m
Sun 8/237:10 pm -
1 stop26h 02m
Deal found 8/3![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/179:29 pm -
1 stop8h 21m
Sun 8/239:35 am -
Nonstop5h 19m
Deal found 8/3![Breeze Airways logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/2712:39 pm -
Nonstop4h 52m
Sun 8/307:10 pm -
1 stop26h 02m
Deal found 8/3![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/2712:39 pm -
Nonstop4h 52m
Tue 9/89:35 am -
Nonstop5h 19m
Deal found 8/4![Breeze Airways logo]()
$338
This CheapOair deal was found by Cheapflights users on 8/4. 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.
Sun 8/308:50 am -
1 stop9h 38m
Mon 8/317:10 pm -
1 stop26h 08m
Deal found 8/4![Multiple Airlines logo]()
$335
This Kissandfly.com deal was found by Cheapflights users on 8/6. 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.
Sun 8/3012:39 pm -
Nonstop4h 52m
Sun 9/64:06 pm -
1 stop10h 19m
Deal found 8/6![Breeze Airways logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/3012:39 pm -
Nonstop4h 52m
Sat 9/52:25 pm -
3 stops36h 39m
Deal found 8/3![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/7. 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.
Sun 8/305:35 am -
1 stop8h 08m
Sun 9/612:17 pm -
1 stop8h 16m
Deal found 8/7![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 8/7. 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.
Mon 8/318:35 am -
2 stops8h 40m
Sun 9/67:30 am -
1 stop6h 35m
Deal found 8/7![Southwest logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Fri 9/410:59 pm -
1 stop9h 01m
Fri 9/114:06 pm -
1 stop10h 30m
Deal found 8/5![American Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 9/55:20 am -
2 stops9h 15m
Sun 9/66:55 am -
1 stop7h 45m
Deal found 8/4![Southwest logo]()
$342
One-way flights from Irvine to PittsburghSearch for one-way flight options from Irvine to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
Search for one-way flight options from Irvine to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/310:27 pm -
2 stops40h 48m
Deal found 8/6![Frontier logo]()
$154
This CheapOair deal was found by Cheapflights users on 8/4. 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.
Tue 8/1811:20 pm -
1 stop15h 55m
Deal found 8/4![Frontier logo]()
$155
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 9/512:17 pm -
1 stop8h 17m
Deal found 8/7![Delta logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 8/179:29 pm -
1 stop8h 21m
Deal found 8/3![Breeze Airways logo]()
$159
This CheapOair deal was found by Cheapflights users on 8/7. 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.
Fri 8/2111:20 pm -
1 stop15h 55m
Deal found 8/7![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Sun 8/2311:20 pm -
1 stop15h 55m
Deal found 8/3![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/276:55 am -
2 stops22h 55m
Deal found 8/4![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 11/42:39 pm -
2 stops29h 27m
Deal found 8/3![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/12:50 pm -
2 stops17h 33m
Deal found 8/4![Multiple Airlines logo]()
$165
This Super.com deal was found by Cheapflights users on 8/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:40 pm -
1 stop13h 07m
Deal found 8/4![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 8/7. 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.
Sun 9/65:15 am -
2 stops12h 40m
Deal found 8/7![Southwest logo]()
$167
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 August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $334 (Southwest) |
One-way from | $154 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $396 |
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 August 8, 2026.
Use the filters below to find and compare flights from Irvine to Pittsburgh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Fri 10/30
8:25 am-8:15 pm
2 stops8h 50m
Pittsburgh
Mon 11/2
1:25 pm-8:15 pm
1 stop9h 50m
$334
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Fri 10/16
12:50 am-11:30 am
1 stop7h 40m
Pittsburgh
Sat 10/17
6:30 pm-10:40 pm
1 stop7h 10m
$347
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Mon 8/24
8:35 am-8:15 pm
2 stops8h 40m
Pittsburgh
Sat 8/29
1:20 pm-5:55 pm
1 stop7h 35m
$352
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Wed 9/23
6:10 am-6:40 pm
2 stops9h 30m
Pittsburgh
Mon 10/5
4:20 pm-11:55 pm
2 stops10h 35m
$357
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Fri 8/28
7:15 am-4:43 pm
1 stop6h 28m
Pittsburgh
Mon 8/31
6:47 am-11:12 am
1 stop7h 25m
$363
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Fri 9/25
4:50 pm-5:25 am
1 stop9h 35m
Pittsburgh
Mon 9/28
6:28 pm-9:34 am
1 stop18h 06m
$363
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Thu 9/3
11:20 am-11:15 pm
2 stops8h 55m
Pittsburgh
Fri 9/25
7:25 pm-11:15 pm
1 stop6h 50m
$384
Quickest round-trip
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Sun 9/6
8:50 am-4:36 pm
Nonstop4h 46m
Pittsburgh
Fri 9/11
1:00 pm-6:07 pm
1 stop8h 07m
$407
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Tue 8/18
2:00 pm-12:36 am
1 stop7h 36m
Pittsburgh
Sat 8/29
6:35 am-10:10 am
1 stop6h 35m
$407
Los AngelesPittsburgh
LAX Los Angeles - PIT Pittsburgh
LAXPIT
Los Angeles
Mon 8/31
11:20 am-10:05 pm
2 stops7h 45m
Pittsburgh
Sat 9/5
8:20 am-9:25 pm
2 stops16h 05m
$413
Showing 1-10 of 22 resultsSorted by cheapest first
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.
LAX-PIT
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
IR9-PIT
LAX-PIT
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 August 8, 2026.
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.
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 August 8, 2026.
The most flights from IR9 to PIT are scheduled on a Thursday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Irvine to Pittsburgh?
Airfare is below average for this route at the moment.
Irvine to Pittsburgh flights typically cost between $341 and $475 in August.The cheapest round-trip price found within the last 5 days was $334 on Southwest (Aug 31-Sep 6).
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 August 8, 2026.
See what other customers who have flown with Breeze Airways,Southwest, andDelta 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.
Crew
8.7
Boarding
8.3
Comfort
8.2
Entertainment
6.7
Food
6.7
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Crew
8.7
Boarding
8.3
Comfort
8.2
Entertainment
6.7
Food
6.7
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Crew
8.7
Boarding
8.3
Comfort
8.2
Entertainment
6.7
Food
6.7
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Crew
8.7
Boarding
8.3
Comfort
8.2
Entertainment
6.7
Food
6.7
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Crew
8.7
Boarding
8.3
Comfort
8.2
Entertainment
6.7
Food
6.7
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Crew
8.7
Boarding
8.3
Comfort
8.2
Entertainment
6.7
Food
6.7
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
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.
Traveling to a place near Pittsburgh?
Book flights to Pittsburgh if you plan to visit one of these locationsMonroeville
Washington
Chester
Mars
Wexford
Belle Vernon
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Alternative routes for Irvine to Pittsburgh
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Irvine and Pittsburgh flights
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Top 6 airlines flying from Irvine to Pittsburgh
Discover the top 6 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 August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$332 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$228 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$428 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$273 | Average$483 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$274 | Average$437 | FlexibilityNo cancel fee | On-time69% |