$103+ Cheap flights from West Palm Beach (PBI) to Illinois
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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — ORD
Aug 12 — Aug 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from West Palm Beach to Illinois 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.Cheap flight deals from West Palm Beach to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from West Palm Beach to IllinoisExplore the most affordable flight options available from West Palm Beach to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from West Palm Beach to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/9. 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 8/66:55 am
PBI
- STL
1 stop5h 40m
Southwest
Mon 8/103:45 pm
STL
- PBI
1 stop3h 55m
Southwest
Deal found 7/9![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 7/9. 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 10/2012:33 pm
PBI
- STL
1 stop6h 43m
American Airlines
Tue 10/277:29 am
STL
- PBI
1 stop5h 38m
American Airlines
Deal found 7/9![American Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 7/9. 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 8/134:55 pm
PBI
- STL
2 stops6h 10m
Southwest
Mon 8/173:45 pm
STL
- PBI
1 stop3h 55m
Southwest
Deal found 7/9![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 7/8. 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 8/154:56 pm
PBI
- STL
1 stop7h 35m
Delta
Tue 8/186:00 am
STL
- PBI
1 stop6h 05m
Delta
Deal found 7/8![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 7/10. 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 8/127:20 am
PBI
- STL
2 stops8h 30m
Southwest
Mon 8/173:15 pm
STL
- PBI
2 stops5h 50m
Southwest
Deal found 7/10![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 7/10. 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 8/46:00 am
PBI
- STL
1 stop4h 54m
Delta
Tue 8/1111:00 am
STL
- PBI
1 stop5h 22m
Delta
Deal found 7/10![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 7/10. 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 8/107:46 pm
PBI
- STL
1 stop5h 12m
Delta
Tue 8/117:00 am
STL
- PBI
1 stop5h 05m
Delta
Deal found 7/10![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 7/8. 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 9/197:20 am
PBI
- STL
2 stops6h 15m
Southwest
Mon 9/283:45 pm
STL
- PBI
1 stop3h 55m
Southwest
Deal found 7/8![Southwest logo]()
$239
This Delta deal was found by Cheapflights users on 7/9. 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 8/68:00 am
PBI
- STL
1 stop4h 46m
Delta
Mon 8/105:23 pm
STL
- PBI
1 stop6h 28m
Delta
Deal found 7/9![Delta logo]()
$243
This Delta deal was found by Cheapflights users on 7/10. 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 8/86:00 am
PBI
- STL
1 stop4h 20m
Delta
Sat 8/85:33 pm
STL
- PBI
1 stop6h 18m
Delta
Deal found 7/10![Delta logo]()
$245
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/274:15 pm
PBI
- ORD
Nonstop3h 26m
United Airlines
Sun 8/3010:54 am
ORD
- PBI
Nonstop3h 15m
United Airlines
Deal found 7/8![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 7/10. 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 9/46:00 am
PBI
- MLI
1 stop5h 25m
Delta
Tue 9/85:16 pm
MLI
- PBI
1 stop6h 33m
Delta
Deal found 7/10![Delta logo]()
$290
Best flights from West Palm Beach to IllinoisDiscover carefully curated flight deals from West Palm Beach to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from West Palm Beach to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/9. 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 8/66:55 am
PBI
- STL
1 stop5h 40m
Southwest
Mon 8/103:15 pm
STL
- PBI
2 stops5h 50m
Southwest
Deal found 7/9![Southwest logo]()
$228
This Delta deal was found by Cheapflights users on 7/10. 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 8/107:46 pm
PBI
- STL
1 stop5h 12m
Delta
Tue 8/117:00 am
STL
- PBI
1 stop5h 05m
Delta
Deal found 7/10![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/35:05 pm
PBI
- ORD
1 stop8h 40m
United Airlines
Sat 8/810:50 am
ORD
- PBI
Nonstop3h 01m
United Airlines
Deal found 7/10![United Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 7/10. 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 9/122:51 pm
PBI
- PIA
2 stops10h 17m
American Airlines
Thu 9/244:27 pm
PIA
- PBI
1 stop6h 08m
American Airlines
Deal found 7/10![American Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 7/10. 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 9/1712:45 pm
PBI
- STL
2 stops9h 55m
Southwest
Thu 9/2411:40 am
STL
- PBI
2 stops9h 25m
Southwest
Deal found 7/10![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 7/10. 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 8/72:10 pm
PBI
- STL
1 stop4h 43m
Delta
Wed 8/126:00 am
STL
- PBI
1 stop6h 05m
Delta
Deal found 7/10![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/28:00 am
PBI
- ORD
1 stop7h 45m
United Airlines
Tue 9/810:54 am
ORD
- PBI
Nonstop3h 15m
United Airlines
Deal found 7/8![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 8/244:30 pm
PBI
- PIA
1 stop7h 29m
American Airlines
Sat 8/296:00 am
PIA
- PBI
2 stops10h 48m
American Airlines
Deal found 7/8![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 7/10. 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 9/46:00 am
PBI
- MLI
1 stop5h 25m
Delta
Tue 9/85:16 pm
MLI
- PBI
1 stop6h 33m
Delta
Deal found 7/10![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 7/10. 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 8/148:25 am
PBI
- MDW
1 stop6h 45m
Southwest
Sun 8/165:10 am
MDW
- PBI
1 stop5h 15m
Southwest
Deal found 7/10![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/12. 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 8/86:38 pm
PBI
- PIA
1 stop5h 21m
American Airlines
Fri 8/144:24 pm
PIA
- PBI
1 stop5h 11m
American Airlines
Deal found 7/12![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/10. 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 9/124:15 pm
PBI
- PIA
1 stop5h 29m
United Airlines
Thu 9/248:32 am
PIA
- PBI
1 stop5h 34m
United Airlines
Deal found 7/10![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 7/8. 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 8/276:27 pm
PBI
- MDW
1 stop5h 09m
Delta
Mon 8/314:39 pm
MDW
- PBI
1 stop4h 43m
Delta
Deal found 7/8![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 7/11. 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 8/274:55 pm
PBI
- MDW
1 stop6h 45m
Southwest
Sat 8/299:05 am
MDW
- PBI
1 stop6h 25m
Southwest
Deal found 7/11![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 7/12. 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 10/16:00 am
PBI
- MDW
1 stop4h 50m
Delta
Mon 10/56:05 am
MDW
- PBI
1 stop7h 04m
Delta
Deal found 7/12![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 7/11. 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 9/234:55 pm
PBI
- MDW
1 stop5h 05m
Southwest
Wed 9/3012:45 pm
MDW
- PBI
1 stop6h 15m
Southwest
Deal found 7/11![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/255:05 pm
PBI
- ORD
1 stop8h 40m
United Airlines
Mon 7/2710:50 am
ORD
- PBI
Nonstop3h 01m
United Airlines
Deal found 7/8![United Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/245:27 pm
PBI
- MLI
2 stops8h 14m
American Airlines
Tue 7/286:08 am
MLI
- PBI
1 stop5h 04m
American Airlines
Deal found 7/9![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/12. 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 8/212:25 pm
PBI
- MDW
1 stop7h 00m
Delta
Sat 8/84:39 pm
MDW
- PBI
1 stop4h 43m
Delta
Deal found 7/12![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 7/8. 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 8/67:20 am
PBI
- MDW
2 stops9h 05m
Southwest
Sun 8/95:00 am
MDW
- PBI
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/9. 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 9/144:15 pm
PBI
- PIA
1 stop7h 44m
United Airlines
Thu 9/248:32 am
PIA
- PBI
1 stop5h 34m
United Airlines
Deal found 7/9![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 7/9. 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 10/27:00 am
PBI
- MDW
1 stop5h 55m
Delta
Wed 10/710:58 am
MDW
- PBI
1 stop7h 35m
Delta
Deal found 7/9![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/10. 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 12/84:15 pm
PBI
- MLI
1 stop5h 43m
United Airlines
Sat 12/121:00 pm
MLI
- PBI
1 stop6h 18m
United Airlines
Deal found 7/10![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/12. 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 9/311:55 am
PBI
- STL
1 stop7h 30m
Southwest
Mon 9/73:45 pm
STL
- PBI
1 stop3h 55m
Southwest
Deal found 7/12![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/9. 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 9/116:27 pm
PBI
- MDW
1 stop5h 18m
Delta
Sun 9/136:05 am
MDW
- PBI
1 stop4h 41m
Delta
Deal found 7/9![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:15 pm
PBI
- MLI
1 stop5h 55m
United Airlines
Sat 11/148:20 am
MLI
- PBI
1 stop5h 49m
United Airlines
Deal found 7/7![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/12. 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 8/16:30 pm
PBI
- MDW
1 stop5h 50m
Southwest
Tue 8/49:25 am
MDW
- PBI
1 stop5h 55m
Southwest
Deal found 7/12![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 7/11. 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 9/176:00 am
PBI
- MLI
1 stop5h 23m
Delta
Mon 9/215:16 pm
MLI
- PBI
1 stop6h 33m
Delta
Deal found 7/11![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/9. 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 7/243:58 pm
PBI
- MLI
1 stop8h 18m
United Airlines
Tue 7/288:15 am
MLI
- PBI
1 stop5h 36m
United Airlines
Deal found 7/9![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 7/10. 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 7/1810:06 am
PBI
- EVV
1 stop7h 04m
American Airlines
Sun 7/265:22 am
EVV
- PBI
1 stop6h 37m
American Airlines
Deal found 7/10![American Airlines logo]()
$501
Last-minute flights from West Palm Beach to IllinoisDiscover last-minute flight deals from West Palm Beach to Illinois. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from West Palm Beach to Illinois. Data last updated July 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/10. 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 8/47:00 am
PBI
- STL
1 stop5h 46m
Delta
Wed 8/123:39 pm
STL
- PBI
1 stop5h 12m
Delta
Deal found 7/10![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/9. 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 8/66:55 am
PBI
- STL
1 stop5h 40m
Southwest
Mon 8/103:45 pm
STL
- PBI
1 stop3h 55m
Southwest
Deal found 7/9![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 7/8. 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 8/66:05 pm
PBI
- STL
1 stop6h 37m
American Airlines
Mon 8/106:54 am
STL
- PBI
1 stop4h 24m
American Airlines
Deal found 7/8![American Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 7/9. 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 8/68:00 am
PBI
- STL
1 stop4h 46m
Delta
Mon 8/105:23 pm
STL
- PBI
1 stop6h 28m
Delta
Deal found 7/9![Delta logo]()
$243
This Delta deal was found by Cheapflights users on 7/10. 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 8/86:00 am
PBI
- STL
1 stop4h 20m
Delta
Sat 8/85:33 pm
STL
- PBI
1 stop6h 18m
Delta
Deal found 7/10![Delta logo]()
$245
This Delta deal was found by Cheapflights users on 7/10. 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 8/107:46 pm
PBI
- STL
1 stop5h 12m
Delta
Tue 8/117:00 am
STL
- PBI
1 stop5h 05m
Delta
Deal found 7/10![Delta logo]()
$238
This Southwest deal was found by Cheapflights users on 7/10. 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 8/127:20 am
PBI
- STL
2 stops8h 30m
Southwest
Mon 8/173:15 pm
STL
- PBI
2 stops5h 50m
Southwest
Deal found 7/10![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 7/9. 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 8/134:55 pm
PBI
- STL
2 stops6h 10m
Southwest
Mon 8/173:45 pm
STL
- PBI
1 stop3h 55m
Southwest
Deal found 7/9![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 7/8. 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 8/154:56 pm
PBI
- STL
1 stop7h 35m
Delta
Tue 8/186:00 am
STL
- PBI
1 stop6h 05m
Delta
Deal found 7/8![Delta logo]()
$231
This American Airlines deal was found by Cheapflights users on 7/11. 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 8/251:04 pm
PBI
- ORD
Nonstop3h 26m
American Airlines
Tue 9/19:21 am
ORD
- PBI
Nonstop3h 06m
American Airlines
Deal found 7/11![American Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/274:15 pm
PBI
- ORD
Nonstop3h 26m
United Airlines
Sun 8/3010:54 am
ORD
- PBI
Nonstop3h 15m
United Airlines
Deal found 7/8![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/8. 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 8/284:30 pm
PBI
- STL
1 stop7h 10m
American Airlines
Mon 8/315:42 am
STL
- PBI
1 stop6h 51m
American Airlines
Deal found 7/8![American Airlines logo]()
$251
One-way flights from West Palm Beach to IllinoisSearch for one-way flight options from West Palm Beach to Illinois. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from West Palm Beach to Illinois. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/9. 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 8/208:25 am
PBI
- MDW
1 stop6h 45m
Southwest
Deal found 7/9![Southwest logo]()
$103
This Southwest deal was found by Cheapflights users on 7/8. 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 9/124:20 pm
PBI
- STL
1 stop5h 20m
Southwest
Deal found 7/8![Southwest logo]()
$111
This American Airlines deal was found by Cheapflights users on 7/9. 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 9/1211:50 am
PBI
- STL
1 stop5h 58m
American Airlines
Deal found 7/9![American Airlines logo]()
$112
This Delta deal was found by Cheapflights users on 7/9. 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 10/109:05 am
PBI
- STL
1 stop5h 15m
Delta
Deal found 7/9![Delta logo]()
$116
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/121:10 pm
PBI
- STL
2 stops10h 49m
United Airlines
Deal found 7/8![United Airlines logo]()
$117
This United Airlines deal was found by Cheapflights users on 7/8. 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 10/66:00 am
PBI
- STL
2 stops10h 43m
United Airlines
Deal found 7/8![United Airlines logo]()
$121
This Delta deal was found by Cheapflights users on 7/8. 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 10/57:00 am
PBI
- STL
1 stop7h 23m
Delta
Deal found 7/8![Delta logo]()
$123
This Southwest deal was found by Cheapflights users on 7/8. 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 10/2911:25 am
PBI
- MDW
1 stop5h 30m
Southwest
Deal found 7/8![Southwest logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Sat 10/107:11 pm
PBI
- STL
2 stops39h 29m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/99:06 pm
PBI
- MDW
1 stop18h 53m
Allegiant Air
Deal found 7/12![Allegiant Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:35 pm
PBI
- STL
2 stops21h 22m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/78:20 pm
PBI
- ORD
1 stop24h 27m
Frontier
Deal found 7/8![Frontier logo]()
$129
Find flight deals from West Palm Beach to Illinois
Keep the following information in mind while searching for West Palm Beach to Illinois flight deals. Data was last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Southwest) |
One-way from | $103 (Southwest) |
Popular in | November |
Cheapest in | October |
Average price | $289 |
Good round-trip deal | $294 or less |
Good one-way deal | $268 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from West Palm Beach to Illinois 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 13, 2026.
Use the filters below to find and compare flights from West Palm Beach to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
West Palm BeachSt. Louis
PBI - STL
PBISTL
Palm Beach Intl
Thu 8/6
6:55 am-11:35 am
1 stop5h 40m
Lambert-St Louis
Mon 8/10
3:15 pm-10:05 pm
2 stops5h 50m
$228
West Palm BeachSt. Louis
PBI - STL
PBISTL
Palm Beach Intl
Thu 9/17
12:45 pm-9:40 pm
2 stops9h 55m
Lambert-St Louis
Thu 9/24
11:40 am-10:05 pm
2 stops9h 25m
$233
West Palm BeachSt. Louis
PBI - STL
PBISTL
Palm Beach Intl
Mon 8/10
7:46 pm-11:58 pm
1 stop5h 12m
Lambert-St Louis
Tue 8/11
7:00 am-1:05 pm
1 stop5h 05m
$238
West Palm BeachSt. Louis
PBI - STL
PBISTL
Palm Beach Intl
Fri 8/7
2:10 pm-5:53 pm
1 stop4h 43m
Lambert-St Louis
Wed 8/12
6:00 am-1:05 pm
1 stop6h 05m
$265
West Palm BeachMoline
PBI - MLI
PBIMLI
Palm Beach Intl
Fri 9/4
6:00 am-10:25 am
1 stop5h 25m
Moline Quad-City
Tue 9/8
5:16 pm-12:49 am
1 stop6h 33m
$290
West Palm BeachChicago
PBI - ORD
PBIORD
Palm Beach Intl
Mon 8/3
5:05 pm-12:45 am
1 stop8h 40m
Chicago O'Hare Intl
Sat 8/8
10:50 am-2:51 pm
Nonstop3h 01m
$295
West Palm BeachChicago
PBI - ORD
PBIORD
Palm Beach Intl
Wed 9/2
8:00 am-2:45 pm
1 stop7h 45m
Chicago O'Hare Intl
Tue 9/8
10:54 am-3:09 pm
Nonstop3h 15m
$299
West Palm BeachChicago
PBI - MDW
PBIMDW
Palm Beach Intl
Fri 8/14
8:25 am-2:10 pm
1 stop6h 45m
Chicago Midway
Sun 8/16
5:10 am-11:25 am
1 stop5h 15m
$309
Quickest round-trip
West Palm BeachChicago
PBI - MDW
PBIMDW
Palm Beach Intl
Thu 8/27
6:27 pm-10:36 pm
1 stop5h 09m
Chicago Midway
Mon 8/31
4:39 pm-10:22 pm
1 stop4h 43m
$309
West Palm BeachChicago
PBI - MDW
PBIMDW
Palm Beach Intl
Thu 8/27
4:55 pm-10:40 pm
1 stop6h 45m
Chicago Midway
Sat 8/29
9:05 am-4:30 pm
1 stop6h 25m
$309
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from West Palm Beach to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from West Palm Beach with our price prediction graph.
PBI-STL
PBI-ORD
PBI-MDW
PBI-PIA
PBI-MLI
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 West Palm Beach to Illinois
PBI-USIL
PBI-STL
PBI-ORD
PBI-MDW
PBI-PIA
What is the cheapest month to book a flight from West Palm Beach to Illinois?
Currently, February is the cheapest month in which you can book a flight from West Palm Beach to Illinois (average of $36). Flying from West Palm Beach to Illinois in June is currently the most expensive (average of $211). 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 PBI to IL?
Find hourly flight availability from West Palm Beach to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 13, 2026.
It’s optimal to fly from West Palm Beach to Illinois at noon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from West Palm Beach to Illinois
Explore weekly flight availability from West Palm Beach to Illinois. 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 13, 2026.
The most flights from PBI to USIL are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from West Palm Beach to Illinois?
How far ahead should I book a flight from West Palm Beach to Illinois?
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from West Palm Beach to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated July 13, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from West Palm Beach to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.5
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from West Palm Beach to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for West Palm Beach to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from West Palm Beach to Illinois by cabin class
Find flights from West Palm Beach to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
West Palm Beach and Illinois flights
Browse other West Palm Beach and Illinois flight options. Last updated on July 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
West Palm Beach to Illinois flights
Consider these flights traveling from West Palm Beach to Illinois.
Top 4 airlines flying from West Palm Beach to Illinois
Discover the top 4 airlines that operate flights from West Palm Beach to Illinois. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$422 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$229 | Average$309 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$229 | Average$320 | FlexibilityNo cancel fee | On-time71% |