$69+ Cheap flights from Illinois 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIT
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Pittsburgh with Cheapflights
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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 July 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 July 30, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:35 am
MDW
- PIT
1 stop5h 20m
Southwest
Sat 9/194:40 pm
PIT
- MDW
Nonstop1h 25m
Southwest
Deal found 7/29![Southwest logo]()
$147
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
ORD
- PIT
1 stop6h 39m
Delta
Sat 9/197:45 pm
PIT
- ORD
1 stop5h 14m
Delta
Deal found 7/29![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 9/97:40 am
MDW
- PIT
1 stop4h 05m
Southwest
Wed 9/93:25 pm
PIT
- MDW
2 stops8h 00m
Southwest
Deal found 7/28![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 7/28. 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 9/35:30 am
ORD
- PIT
1 stop5h 15m
Delta
Sun 9/612:17 pm
PIT
- ORD
1 stop5h 00m
Delta
Deal found 7/28![Delta logo]()
$162
This Southwest deal was found by Cheapflights users on 7/25. 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.
Tue 9/81:00 pm
MDW
- PIT
2 stops7h 35m
Southwest
Tue 9/156:10 am
PIT
- MDW
2 stops8h 45m
Southwest
Deal found 7/25![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 7/25. 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.
Tue 9/86:00 am
ORD
- PIT
1 stop5h 10m
Delta
Tue 9/155:40 pm
PIT
- ORD
1 stop7h 19m
Delta
Deal found 7/25![Delta logo]()
$167
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 pm
MDW
- PIT
1 stop4h 45m
Southwest
Sat 11/75:45 am
PIT
- MDW
2 stops12h 35m
Southwest
Deal found 7/29![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 7/26. 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 10/309:55 am
MDW
- PIT
2 stops8h 20m
Southwest
Mon 11/212:30 pm
PIT
- MDW
2 stops8h 35m
Southwest
Deal found 7/26![Southwest logo]()
$172
This Delta deal was found by Cheapflights users on 7/25. 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.
Sun 9/65:30 am
ORD
- PIT
1 stop6h 22m
Delta
Tue 9/83:19 pm
PIT
- ORD
1 stop6h 12m
Delta
Deal found 7/25![Delta logo]()
$172
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sat 9/267:45 am
MDW
- PIT
Nonstop1h 25m
Southwest
Mon 9/281:50 pm
PIT
- MDW
1 stop5h 00m
Southwest
Deal found 7/28![Southwest logo]()
$174
This Delta deal was found by Cheapflights users on 7/26. 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 8/2010:30 am
ORD
- PIT
1 stop6h 30m
Delta
Mon 8/244:15 pm
PIT
- ORD
1 stop6h 32m
Delta
Deal found 7/26![Delta logo]()
$188
This Southwest deal was found by Cheapflights users on 7/25. 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.
Thu 8/203:15 pm
MDW
- PIT
1 stop6h 30m
Southwest
Sat 8/226:10 am
PIT
- MDW
2 stops7h 55m
Southwest
Deal found 7/25![Southwest logo]()
$189
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 July 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 July 30, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:05 am
MDW
- PIT
1 stop8h 55m
Southwest
Mon 9/287:30 pm
PIT
- MDW
Nonstop1h 20m
Southwest
Deal found 7/29![Southwest logo]()
$147
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:05 am
ORD
- PIT
1 stop7h 30m
Delta
Sat 10/32:50 pm
PIT
- ORD
1 stop5h 06m
Delta
Deal found 7/29![Delta logo]()
$157
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.
Thu 8/279:56 am
ORD
- PIT
1 stop7h 30m
American Airlines
Thu 9/36:05 am
PIT
- ORD
Nonstop1h 51m
American Airlines
Deal found 7/29![American Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
STL
- PIT
1 stop4h 15m
United Airlines
Wed 8/266:09 pm
PIT
- STL
1 stop4h 08m
United Airlines
Deal found 7/25![United Airlines logo]()
$232
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:35 am
MDW
- PIT
1 stop5h 20m
Southwest
Sat 9/194:40 pm
PIT
- MDW
Nonstop1h 25m
Southwest
Deal found 7/29![Southwest logo]()
$147
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:40 pm
ORD
- PIT
1 stop4h 59m
Delta
Mon 9/287:45 pm
PIT
- ORD
1 stop5h 14m
Delta
Deal found 7/29![Delta logo]()
$157
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:55 am
MDW
- PIT
1 stop5h 15m
Southwest
Sat 8/224:40 pm
PIT
- MDW
Nonstop1h 25m
Southwest
Deal found 7/29![Southwest logo]()
$147
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
ORD
- PIT
1 stop6h 39m
Delta
Sat 9/197:45 pm
PIT
- ORD
1 stop5h 14m
Delta
Deal found 7/29![Delta logo]()
$157
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:40 pm
MDW
- PIT
1 stop5h 50m
Southwest
Thu 8/275:35 am
PIT
- MDW
2 stops7h 45m
Southwest
Deal found 7/29![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 10/302:29 pm
ORD
- PIT
1 stop4h 58m
Delta
Mon 11/25:59 pm
PIT
- ORD
1 stop6h 53m
Delta
Deal found 7/28![Delta logo]()
$162
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 9/91:00 pm
MDW
- PIT
2 stops7h 35m
Southwest
Wed 9/163:25 pm
PIT
- MDW
1 stop6h 25m
Southwest
Deal found 7/26![Southwest logo]()
$162
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.
Sat 8/225:00 am
ORD
- PIT
1 stop4h 20m
American Airlines
Sat 8/228:59 pm
PIT
- ORD
Nonstop2h 01m
American Airlines
Deal found 7/29![American Airlines logo]()
$220
This Delta deal was found by Cheapflights users on 7/25. 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.
Tue 9/86:00 am
ORD
- PIT
1 stop7h 39m
Delta
Wed 9/93:19 pm
PIT
- ORD
1 stop6h 12m
Delta
Deal found 7/25![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
STL
- PIT
1 stop4h 15m
United Airlines
Sat 9/58:45 am
PIT
- STL
1 stop4h 18m
United Airlines
Deal found 7/25![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 7/25. 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.
Tue 9/86:20 pm
MDW
- PIT
Nonstop1h 30m
Southwest
Tue 9/158:55 am
PIT
- MDW
Nonstop1h 20m
Southwest
Deal found 7/25![Southwest logo]()
$178
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 9/86:48 pm
PIA
- PIT
1 stop4h 11m
American Airlines
Tue 9/1511:41 am
PIT
- PIA
1 stop6h 17m
American Airlines
Deal found 7/25![American Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 8/1811:00 am
STL
- PIT
1 stop5h 14m
Delta
Sat 8/225:50 am
PIT
- STL
1 stop7h 06m
Delta
Deal found 7/28![Delta logo]()
$217
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:25 am
STL
- PIT
Nonstop1h 40m
Southwest
Wed 9/212:15 pm
PIT
- STL
1 stop6h 40m
Southwest
Deal found 7/29![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 7/26. 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.
Wed 8/195:10 pm
MDW
- PIT
1 stop6h 26m
Delta
Fri 8/215:50 am
PIT
- MDW
1 stop5h 09m
Delta
Deal found 7/26![Delta logo]()
$230
This Southwest deal was found by Cheapflights users on 7/25. 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 8/196:20 pm
MDW
- PIT
Nonstop1h 25m
Southwest
Fri 8/218:40 am
PIT
- MDW
Nonstop1h 20m
Southwest
Deal found 7/25![Southwest logo]()
$210
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/36:00 am
MLI
- PIT
1 stop4h 54m
American Airlines
Sun 9/610:47 am
PIT
- MLI
2 stops8h 32m
American Airlines
Deal found 7/28![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:45 am
PIA
- PIT
1 stop6h 30m
United Airlines
Sun 8/307:00 am
PIT
- PIA
1 stop4h 06m
United Airlines
Deal found 7/25![United Airlines logo]()
$369
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 am
ORD
- PIT
1 stop6h 37m
Delta
Fri 8/2112:17 pm
PIT
- ORD
1 stop5h 00m
Delta
Deal found 7/29![Delta logo]()
$230
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:35 pm
STL
- PIT
Nonstop1h 45m
Southwest
Wed 9/238:40 am
PIT
- STL
2 stops8h 45m
Southwest
Deal found 7/29![Southwest logo]()
$212
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.
Thu 8/136:48 pm
PIA
- PIT
1 stop4h 11m
American Airlines
Mon 8/175:42 pm
PIT
- PIA
2 stops7h 17m
American Airlines
Deal found 7/29![American Airlines logo]()
$334
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:51 pm
ORD
- PIT
1 stop5h 59m
Delta
Fri 8/283:25 pm
PIT
- ORD
1 stop6h 24m
Delta
Deal found 7/29![Delta logo]()
$230
This Southwest deal was found by Cheapflights users on 7/28. 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 10/15:40 pm
STL
- PIT
1 stop4h 50m
Southwest
Mon 10/54:20 pm
PIT
- STL
1 stop5h 35m
Southwest
Deal found 7/28![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 7/27. 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 10/97:30 pm
ORD
- PIT
1 stop3h 29m
Delta
Tue 10/133:18 pm
PIT
- ORD
1 stop6h 25m
Delta
Deal found 7/27![Delta logo]()
$230
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/1311:43 am
MLI
- PIT
2 stops8h 35m
American Airlines
Mon 8/178:59 pm
PIT
- MLI
1 stop4h 09m
American Airlines
Deal found 7/27![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/28. 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 9/34:15 pm
STL
- PIT
1 stop4h 40m
Southwest
Tue 9/86:55 pm
PIT
- STL
1 stop3h 50m
Southwest
Deal found 7/28![Southwest logo]()
$217
Last-minute flights from Illinois to PittsburghDiscover last-minute flight deals from Illinois to Pittsburgh. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Pittsburgh. Data last updated July 30, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/28. 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.
Tue 8/187:40 am
MDW
- PIT
1 stop4h 05m
Southwest
Thu 8/204:10 pm
PIT
- MDW
2 stops7h 10m
Southwest
Deal found 7/28![Southwest logo]()
$162
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:59 am
ORD
- PIT
1 stop3h 20m
Delta
Wed 8/193:25 pm
PIT
- ORD
1 stop6h 24m
Delta
Deal found 7/29![Delta logo]()
$157
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:36 am
ORD
- PIT
Nonstop1h 39m
United Airlines
Wed 8/196:09 pm
PIT
- ORD
Nonstop1h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 8/196:20 pm
MDW
- PIT
Nonstop1h 25m
Southwest
Fri 8/218:40 am
PIT
- MDW
Nonstop1h 20m
Southwest
Deal found 7/26![Southwest logo]()
$210
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:47 pm
ORD
- PIT
Nonstop1h 38m
United Airlines
Fri 8/212:11 pm
PIT
- ORD
Nonstop1h 44m
United Airlines
Deal found 7/25![United Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 7/26. 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 8/2010:30 am
ORD
- PIT
1 stop6h 30m
Delta
Mon 8/244:15 pm
PIT
- ORD
1 stop6h 32m
Delta
Deal found 7/26![Delta logo]()
$188
This Southwest deal was found by Cheapflights users on 7/25. 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.
Thu 8/203:15 pm
MDW
- PIT
1 stop6h 30m
Southwest
Sat 8/226:10 am
PIT
- MDW
2 stops7h 55m
Southwest
Deal found 7/25![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/202:30 pm
ORD
- PIT
Nonstop1h 43m
United Airlines
Mon 8/242:11 pm
PIT
- ORD
Nonstop1h 44m
United Airlines
Deal found 7/28![United Airlines logo]()
$208
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:55 am
MDW
- PIT
1 stop5h 15m
Southwest
Sat 8/224:40 pm
PIT
- MDW
Nonstop1h 25m
Southwest
Deal found 7/29![Southwest logo]()
$147
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:25 pm
ORD
- PIT
Nonstop1h 45m
United Airlines
Tue 8/254:11 pm
PIT
- ORD
Nonstop1h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$204
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:20 pm
ORD
- PIT
1 stop5h 44m
Delta
Wed 8/261:57 pm
PIT
- ORD
1 stop5h 52m
Delta
Deal found 7/29![Delta logo]()
$206
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:35 pm
STL
- PIT
Nonstop1h 40m
Southwest
Thu 9/37:00 am
PIT
- STL
Nonstop1h 45m
Southwest
Deal found 7/30![Southwest logo]()
$197
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 July 30, 2026.
Search for one-way flight options from Illinois to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 8/266:20 pm
MDW
- PIT
Nonstop1h 25m
Southwest
Deal found 7/28![Southwest logo]()
$69
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/2210:36 am
ORD
- PIT
Nonstop1h 39m
United Airlines
Deal found 7/28![United Airlines logo]()
$69
This Southwest deal was found by Cheapflights users on 7/28. 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.
Fri 9/111:05 pm
MDW
- PIT
Nonstop1h 25m
Southwest
Deal found 7/28![Southwest logo]()
$74
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/118:45 pm
ORD
- PIT
Nonstop1h 45m
American Airlines
Deal found 7/28![American Airlines logo]()
$74
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:59 am
MDW
- PIT
1 stop7h 50m
Delta
Deal found 7/29![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/2610:33 am
ORD
- PIT
1 stop5h 41m
Delta
Deal found 7/28![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 7/25. 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 8/226:40 am
ORD
- PIT
1 stop5h 12m
Delta
Deal found 7/25![Delta logo]()
$84
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sat 8/227:45 am
MDW
- PIT
Nonstop1h 25m
Southwest
Deal found 7/28![Southwest logo]()
$96
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:35 pm
STL
- PIT
Nonstop1h 40m
Southwest
Deal found 7/29![Southwest logo]()
$99
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:35 am
STL
- PIT
2 stops9h 50m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$101
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
STL
- PIT
1 stop4h 15m
United Airlines
Deal found 7/30![United Airlines logo]()
$104
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/269:15 pm
ORD
- PIT
Nonstop1h 44m
American Airlines
Deal found 7/25![American Airlines logo]()
$104
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $147 (Southwest) |
One-way from | $69 (Southwest) |
Popular in | February |
Cheapest in | September |
Average price | $419 |
Good round-trip deal | $240 or less |
Good one-way deal | $195 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 2,558,603 searches. Data last updated July 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
MDW - PIT
MDWPIT
Chicago Midway
Sat 9/26
6:05 am-4:00 pm
1 stop8h 55m
Pittsburgh
Mon 9/28
7:30 pm-7:50 pm
Nonstop1h 20m
$147
ChicagoPittsburgh
MDW - PIT
MDWPIT
Chicago Midway
Sat 9/12
6:35 am-12:55 pm
1 stop5h 20m
Pittsburgh
Sat 9/19
4:40 pm-5:05 pm
Nonstop1h 25m
$147
ChicagoPittsburgh
MDW - PIT
MDWPIT
Chicago Midway
Sat 8/22
5:55 am-12:10 pm
1 stop5h 15m
Pittsburgh
Sat 8/22
4:40 pm-5:05 pm
Nonstop1h 25m
$147
ChicagoPittsburgh
ORD - PIT
ORDPIT
Chicago O'Hare Intl
Thu 10/1
8:05 am-4:35 pm
1 stop7h 30m
Pittsburgh
Sat 10/3
2:50 pm-6:56 pm
1 stop5h 06m
$157
ChicagoPittsburgh
ORD - PIT
ORDPIT
Chicago O'Hare Intl
Mon 9/21
3:40 pm-9:39 pm
1 stop4h 59m
Pittsburgh
Mon 9/28
7:45 pm-11:59 pm
1 stop5h 14m
$157
ChicagoPittsburgh
ORD - PIT
ORDPIT
Chicago O'Hare Intl
Sat 9/12
7:00 am-2:39 pm
1 stop6h 39m
Pittsburgh
Sat 9/19
7:45 pm-11:59 pm
1 stop5h 14m
$157
ChicagoPittsburgh
MDW - PIT
MDWPIT
Chicago Midway
Tue 8/25
2:40 pm-9:30 pm
1 stop5h 50m
Pittsburgh
Thu 8/27
5:35 am-12:20 pm
2 stops7h 45m
$162
ChicagoPittsburgh
ORD - PIT
ORDPIT
Chicago O'Hare Intl
Fri 10/30
2:29 pm-8:27 pm
1 stop4h 58m
Pittsburgh
Mon 11/2
5:59 pm-11:52 pm
1 stop6h 53m
$162
ChicagoPittsburgh
MDW - PIT
MDWPIT
Chicago Midway
Wed 9/9
1:00 pm-9:35 pm
2 stops7h 35m
Pittsburgh
Wed 9/16
3:25 pm-8:50 pm
1 stop6h 25m
$162
ChicagoPittsburgh
ORD - PIT
ORDPIT
Chicago O'Hare Intl
Tue 9/8
6:00 am-2:39 pm
1 stop7h 39m
Pittsburgh
Wed 9/9
3:19 pm-8:31 pm
1 stop6h 12m
$167
Showing 1-10 of 60 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.
MDW-PIT
ORD-PIT
PIA-PIT
STL-PIT
MLI-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
MDW-PIT
ORD-PIT
PIA-PIT
STL-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 $248). Flying from Illinois to Pittsburgh in February is currently the most expensive (average of $466). 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 July 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 at noon, which can drop the price by up to 11% versus a flight in the afternoon.
Weekly flight availability from Illinois to Pittsburgh
Explore weekly flight availability from Illinois 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 30, 2026.
The most flights from USIL to PIT are scheduled on a Monday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
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 $205 and $426 in September.The cheapest round-trip price found within the last 5 days was $157 on Delta (Sep 12-Sep 19).
How far ahead should I book a flight from Illinois to Pittsburgh?
The best time to book flights from Illinois to Pittsburgh is 35 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 July 25, 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. Monday 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
Belle Vernon
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of 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 July 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 July 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 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$134 | Average$334 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$137 | Average$354 | FlexibilityNo cancel fee | On-time69% |