$100+ Cheap flights from Illinois to Pittsburgh (PIT)
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Illinois 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
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Cheapest flights from Illinois to PittsburghExplore the most affordable flight options available from Illinois to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Illinois to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:51 am -
1 stop6h 41m
Mon 11/236:59 pm -
1 stop6h 44m
Deal found 10/26![Frontier logo]()
$279
This Expedia deal was found by Cheapflights users on 10/25. 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 11/245:40 am -
1 stop11h 24m
Tue 12/112:10 pm -
1 stop5h 32m
Deal found 10/25![Multiple Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 10/26. 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 11/1911:30 am -
2 stops8h 35m
Mon 11/2312:30 pm -
2 stops9h 20m
Deal found 10/26![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 10/25. 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 11/2110:10 am -
2 stops12h 30m
Fri 11/278:15 pm -
1 stop3h 30m
Deal found 10/25![Southwest logo]()
$294
This Expedia deal was found by Cheapflights users on 10/25. 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.
Fri 11/2011:00 am -
1 stop10h 48m
Sun 11/226:59 pm -
1 stop6h 44m
Deal found 10/25![Multiple Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 10/25. 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 12/96:10 pm -
Nonstop1h 35m
Wed 12/168:25 am -
Nonstop1h 35m
Deal found 10/25![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/1912:44 pm -
Nonstop1h 34m
Mon 11/238:29 pm -
Nonstop2h 06m
Deal found 10/26![American Airlines logo]()
$297
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:00 pm -
1 stop5h 53m
Fri 11/2010:45 am -
1 stop6h 55m
Deal found 10/25![JetBlue logo]()
$301
This Priceline deal was found by Cheapflights users on 10/25. 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.
Sat 11/215:30 pm -
1 stop5h 08m
Sun 11/226:59 pm -
1 stop6h 44m
Deal found 10/25![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/46:10 am -
1 stop12h 27m
Mon 12/77:59 pm -
2 stops19h 31m
Deal found 10/29![Multiple Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:15 am -
Nonstop1h 25m
Sun 12/64:00 pm -
Nonstop1h 35m
Deal found 10/29![Southwest logo]()
$307
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:38 pm -
Nonstop1h 44m
Tue 12/225:35 am -
1 stop5h 33m
Deal found 10/28![American Airlines logo]()
$307
Best flights from Illinois to PittsburghDiscover carefully curated flight deals from Illinois to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Illinois to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/25. 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 12/96:10 pm -
Nonstop1h 35m
Wed 12/168:25 am -
Nonstop1h 35m
Deal found 10/25![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 10/26. 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 12/175:02 pm -
1 stop4h 55m
Fri 1/16:00 am -
1 stop4h 49m
Deal found 10/26![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:10 am -
Nonstop1h 42m
Fri 1/16:45 am -
Nonstop2h 08m
Deal found 10/28![United Airlines logo]()
$337
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop6h 14m
Thu 11/198:29 pm -
Nonstop2h 06m
Deal found 10/29![American Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2110:00 am -
1 stop6h 55m
Fri 1/18:25 am -
Nonstop1h 35m
Deal found 10/28![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/179:37 am -
1 stop4h 36m
Sun 12/206:00 am -
1 stop3h 49m
Deal found 10/29![Delta logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/43:45 pm -
1 stop4h 04m
Mon 12/77:25 pm -
1 stop4h 34m
Deal found 10/26![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:00 pm -
1 stop6h 25m
Sun 12/207:25 am -
Nonstop1h 40m
Deal found 10/29![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/106:02 am -
2 stops10h 02m
Sat 11/144:24 pm -
2 stops8h 39m
Deal found 10/26![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/172:39 pm -
1 stop7h 17m
Sun 12/206:00 pm -
1 stop3h 18m
Deal found 10/29![Delta logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/106:25 am -
1 stop5h 40m
Sat 11/1410:49 am -
1 stop6h 58m
Deal found 10/26![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:30 am -
2 stops8h 35m
Mon 11/2312:30 pm -
2 stops8h 35m
Deal found 10/28![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:59 am -
1 stop7h 36m
Sun 11/226:35 am -
1 stop6h 13m
Deal found 10/29![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 4/156:00 am -
2 stops7h 39m
Mon 4/199:19 am -
1 stop4h 33m
Deal found 10/25![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:43 am -
1 stop4h 54m
Sun 11/156:30 am -
1 stop4h 38m
Deal found 10/28![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 10/26. 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 11/205:05 am -
1 stop5h 45m
Sun 11/228:15 pm -
1 stop3h 30m
Deal found 10/26![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:01 am -
1 stop5h 31m
Mon 11/165:08 pm -
1 stop6h 23m
Deal found 10/28![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:25 am -
1 stop5h 41m
Sun 11/156:30 am -
1 stop4h 38m
Deal found 10/29![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/26. 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 12/216:15 pm -
1 stop3h 44m
Tue 12/296:25 am -
1 stop5h 36m
Deal found 10/26![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/411:26 am -
2 stops8h 51m
Mon 12/75:32 pm -
2 stops7h 44m
Deal found 10/26![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/295:54 pm -
Nonstop1h 47m
Sat 1/26:00 am -
1 stop4h 40m
Deal found 10/26![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 10/26. 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 12/204:20 pm -
2 stops5h 55m
Wed 12/305:10 am -
2 stops7h 55m
Deal found 10/26![Southwest logo]()
$367
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/126:02 am -
2 stops10h 02m
Sun 11/158:27 pm -
1 stop4h 36m
Deal found 10/29![American Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 10/25. 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 12/2610:30 am -
1 stop5h 35m
Wed 12/306:00 pm -
1 stop3h 18m
Deal found 10/25![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/1910:30 am -
Nonstop1h 36m
Mon 11/2310:49 am -
Nonstop1h 56m
Deal found 10/26![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/135:00 am -
1 stop6h 28m
Tue 11/1711:25 am -
1 stop3h 33m
Deal found 10/29![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/268:52 am -
1 stop4h 30m
Wed 12/308:45 am -
Nonstop2h 00m
Deal found 10/26![United Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
2 stops7h 13m
Mon 11/168:27 pm -
1 stop4h 32m
Deal found 10/28![American Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:10 pm -
Nonstop1h 39m
Sun 11/222:07 pm -
Nonstop1h 48m
Deal found 10/29![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/69:00 am -
1 stop6h 59m
Sat 1/91:54 pm -
1 stop4h 05m
Deal found 10/29![United Airlines logo]()
$403
Last-minute flights from Illinois to PittsburghDiscover last-minute flight deals from Illinois to Pittsburgh. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Pittsburgh. Data last updated October 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:51 am -
1 stop6h 41m
Fri 12/46:28 pm -
1 stop7h 31m
Deal found 10/29![Frontier logo]()
$308
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:00 pm -
1 stop5h 53m
Fri 11/2010:45 am -
1 stop6h 55m
Deal found 10/25![JetBlue logo]()
$301
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:51 am -
1 stop6h 41m
Mon 11/236:59 pm -
1 stop6h 44m
Deal found 10/26![Frontier logo]()
$279
This Southwest deal was found by Cheapflights users on 10/26. 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 11/1911:30 am -
2 stops8h 35m
Mon 11/2312:30 pm -
2 stops9h 20m
Deal found 10/26![Southwest logo]()
$293
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/1912:44 pm -
Nonstop1h 34m
Mon 11/238:29 pm -
Nonstop2h 06m
Deal found 10/26![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/196:00 am -
1 stop6h 14m
Sun 11/2210:26 am -
1 stop4h 50m
Deal found 10/26![American Airlines logo]()
$310
This Expedia deal was found by Cheapflights users on 10/25. 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.
Fri 11/2011:00 am -
1 stop10h 48m
Sun 11/226:59 pm -
1 stop6h 44m
Deal found 10/25![Multiple Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 10/26. 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 11/205:05 am -
1 stop5h 45m
Mon 11/2312:30 pm -
2 stops9h 20m
Deal found 10/26![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 10/26. 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 11/206:50 pm -
Nonstop1h 30m
Sun 11/228:00 pm -
Nonstop1h 30m
Deal found 10/26![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 10/25. 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 11/2110:10 am -
2 stops12h 30m
Fri 11/278:15 pm -
1 stop3h 30m
Deal found 10/25![Southwest logo]()
$294
This Priceline deal was found by Cheapflights users on 10/25. 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.
Sat 11/215:30 pm -
1 stop5h 08m
Sun 11/226:59 pm -
1 stop6h 44m
Deal found 10/25![Multiple Airlines logo]()
$304
This Expedia deal was found by Cheapflights users on 10/25. 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 11/245:40 am -
1 stop11h 24m
Tue 12/112:10 pm -
1 stop5h 32m
Deal found 10/25![Multiple Airlines logo]()
$281
One-way flights from Illinois to PittsburghSearch for one-way flight options from Illinois to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Illinois to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:51 am -
1 stop6h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:40 am -
1 stop11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:42 pm -
1 stop20h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/228:25 am -
1 stop10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$113
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:36 pm -
1 stop24h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$116
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:24 pm -
1 stop23h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$116
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:51 am -
1 stop6h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$120
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:15 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$122
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:30 pm -
Nonstop1h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$122
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:35 am -
1 stop10h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$128
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:30 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$132
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:56 am -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$132
Find flight deals from Illinois to Pittsburgh
Keep the following information in mind while searching for Illinois to Pittsburgh flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Frontier) |
One-way from | $100 (Priceline) |
Popular in | February |
Cheapest in | September |
Average price | $377 |
Good round-trip deal | $359 or less |
Good one-way deal | $159 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Illinois to Pittsburgh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPittsburgh
ORD Chicago O'Hare Intl - PIT Pittsburgh
ORDPIT
Chicago O'Hare Intl
Thu 12/3
5:24 pm-5:28 pm
1 stop23h 04m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$116
ChicagoPittsburgh
MDW Chicago Midway - PIT Pittsburgh
MDWPIT
Chicago Midway
Thu 12/3
8:15 am-10:40 am
Nonstop1h 25m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$122
ChicagoPittsburgh
ORD Chicago O'Hare Intl - PIT Pittsburgh
ORDPIT
Chicago O'Hare Intl
Thu 12/3
6:10 pm-8:57 pm
Nonstop1h 47m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$122
Quickest round-trip
ChicagoPittsburgh
MDW Chicago Midway - PIT Pittsburgh
MDWPIT
Chicago Midway
Tue 11/24
7:40 am-10:00 am
Nonstop1h 20m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
ChicagoPittsburgh
MDW Chicago Midway - PIT Pittsburgh
MDWPIT
Chicago Midway
Fri 12/4
1:40 pm-4:05 pm
Nonstop1h 25m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
ChicagoPittsburgh
ORD Chicago O'Hare Intl - PIT Pittsburgh
ORDPIT
Chicago O'Hare Intl
Wed 1/13
6:40 am-9:29 am
Nonstop1h 49m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
ChicagoPittsburgh
ORD Chicago O'Hare Intl - PIT Pittsburgh
ORDPIT
Chicago O'Hare Intl
Sat 1/9
6:50 am-9:40 am
Nonstop1h 50m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
ChicagoPittsburgh
MDW Chicago Midway - PIT Pittsburgh
MDWPIT
Chicago Midway
Thu 12/17
6:50 pm-9:20 pm
Nonstop1h 30m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
ChicagoPittsburgh
MDW Chicago Midway - PIT Pittsburgh
MDWPIT
Chicago Midway
Sat 1/9
3:30 pm-5:50 pm
Nonstop1h 20m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
ChicagoPittsburgh
MDW Chicago Midway - PIT Pittsburgh
MDWPIT
Chicago Midway
Thu 12/24
8:15 am-10:40 am
Nonstop1h 25m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Illinois to Pittsburgh
Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Illinois with our price prediction graph.
ORD-PIT
MDW-PIT
MLI-PIT
PIA-PIT
BMI-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 Illinois to Pittsburgh
USIL-PIT
ORD-PIT
MDW-PIT
MLI-PIT
PIA-PIT
What is the cheapest month to book a flight from Illinois to Pittsburgh?
Currently, September is the cheapest month in which you can book a flight from Illinois to Pittsburgh (average of $287). Flying from Illinois to Pittsburgh in February is currently the most expensive (average of $469). 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 IL to PIT?
Find hourly flight availability from Illinois 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 October 30, 2026.
When flying from Illinois to Pittsburgh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight in the afternoon.
How much does it cost to fly round-trip from Illinois to Pittsburgh?
Airfare is below average for this route at the moment.
Illinois to Pittsburgh flights typically cost between $346 and $478 in November.The cheapest round-trip price found within the last 5 days was $279 on Frontier (Nov 19-Nov 23).
How far ahead should I book a flight from Illinois to Pittsburgh?
The best time to book flights from Illinois to Pittsburgh is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Illinois to Pittsburgh?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Pittsburgh. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Illinois to Pittsburgh flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois 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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Illinois to Pittsburgh
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pittsburgh by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Pittsburgh by cabin class
Find flights from Illinois to Pittsburgh, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Pittsburgh flights
Browse other Illinois and Pittsburgh flight options. Last updated on October 30, 2026.
Other flights to Pittsburgh
Explore flights to Pittsburgh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Pittsburgh flights
Consider these flights traveling from Illinois to Pittsburgh.
Top 3 airlines flying from Illinois to Pittsburgh
Discover the top 3 airlines that operate flights from Illinois 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$343 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$161 | Average$367 | FlexibilityNo cancel fee | On-time69% |