$193+ Cheap flights from Pasco (PSC) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — ORD
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from Pasco to Illinois with Cheapflights
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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 Pasco to IllinoisExplore the most affordable flight options available from Pasco to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from Pasco to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This Delta deal was found by Cheapflights users on 8/17. 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 9/1212:36 pm -
1 stop9h 21m
Tue 10/66:35 am -
1 stop7h 27m
Deal found 8/17![Delta logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:32 pm -
1 stop13h 00m
Mon 9/2112:17 pm -
1 stop9h 25m
Deal found 8/16![Multiple Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:10 pm -
1 stop12h 18m
Tue 11/248:52 pm -
1 stop14h 12m
Deal found 8/18![Alaska Airlines logo]()
$432
This American Airlines deal was found by Cheapflights users on 8/14. 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 12/93:37 pm -
1 stop6h 19m
Wed 12/168:00 am -
1 stop9h 07m
Deal found 8/14![American Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/117:34 pm -
1 stop8h 04m
Wed 9/167:28 pm -
2 stops48h 32m
Deal found 8/13![Multiple Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/195:15 am -
1 stop5h 25m
Tue 9/227:00 am -
2 stops15h 37m
Deal found 8/14![United Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/186:50 pm -
1 stop8h 48m
Mon 9/216:30 am -
2 stops15h 12m
Deal found 8/16![Multiple Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 8/17. 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 9/56:15 am -
1 stop8h 45m
Mon 9/77:00 am -
1 stop6h 45m
Deal found 8/17![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/15:15 am -
1 stop5h 25m
Sat 9/54:40 pm -
1 stop5h 57m
Deal found 8/17![United Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 8/14. 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 12/95:16 am -
2 stops9h 18m
Wed 12/162:18 pm -
2 stops11h 41m
Deal found 8/14![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 8/14. 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 9/225:23 pm -
1 stop5h 21m
Fri 9/256:55 pm -
1 stop6h 33m
Deal found 8/14![Delta logo]()
$481
This Delta deal was found by Cheapflights users on 8/17. 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 9/110:03 am -
2 stops11h 54m
Sat 9/511:22 am -
2 stops12h 53m
Deal found 8/17![Delta logo]()
$483
Best flights from Pasco to IllinoisDiscover carefully curated flight deals from Pasco to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Pasco to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:10 am -
1 stop6h 03m
Tue 2/28:00 am -
1 stop8h 32m
Deal found 8/17![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 8/17. 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 9/1212:36 pm -
1 stop9h 21m
Tue 10/66:35 am -
1 stop7h 27m
Deal found 8/17![Delta logo]()
$423
This American Airlines deal was found by Cheapflights users on 8/18. 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 12/93:37 pm -
1 stop6h 19m
Wed 12/168:00 am -
1 stop9h 07m
Deal found 8/18![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/195:15 am -
1 stop5h 25m
Tue 9/227:00 am -
2 stops15h 37m
Deal found 8/14![United Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:10 pm -
1 stop12h 18m
Tue 11/248:52 pm -
1 stop14h 12m
Deal found 8/18![Alaska Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 8/17. 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 9/11:46 pm -
1 stop5h 47m
Sat 9/511:22 am -
2 stops12h 53m
Deal found 8/17![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/25:10 am -
1 stop5h 28m
Sat 11/78:50 am -
1 stop6h 16m
Deal found 8/17![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 8/14. 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 9/225:23 pm -
1 stop5h 21m
Fri 9/256:55 pm -
1 stop6h 33m
Deal found 8/14![Delta logo]()
$481
This American Airlines deal was found by Cheapflights users on 8/14. 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 12/105:03 am -
2 stops11h 14m
Thu 12/177:35 am -
1 stop8h 49m
Deal found 8/14![American Airlines logo]()
$532
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:55 pm -
1 stop8h 04m
Mon 10/199:00 am -
1 stop10h 23m
Deal found 8/14![Alaska Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 8/14. 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 12/95:21 pm -
1 stop5h 19m
Thu 12/176:00 am -
2 stops15h 44m
Deal found 8/14![Delta logo]()
$515
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:55 pm -
1 stop8h 04m
Thu 10/157:02 am -
1 stop8h 16m
Deal found 8/15![Alaska Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 8/13. 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 11/55:20 am -
1 stop6h 09m
Fri 11/65:30 pm -
1 stop8h 22m
Deal found 8/13![Delta logo]()
$523
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:20 am -
2 stops11h 18m
Fri 9/256:08 pm -
2 stops21h 19m
Deal found 8/14![Alaska Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 8/13. 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 9/26:15 am -
2 stops9h 46m
Wed 9/92:00 pm -
1 stop7h 41m
Deal found 8/13![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 8/14. 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 8/307:15 am -
2 stops9h 18m
Thu 9/31:25 pm -
2 stops12h 08m
Deal found 8/14![Delta logo]()
$641
This Delta deal was found by Cheapflights users on 8/15. 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 9/58:42 am -
1 stop5h 15m
Mon 9/71:19 pm -
2 stops8h 31m
Deal found 8/15![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 8/16. 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 8/3110:03 am -
2 stops10h 33m
Fri 9/412:46 pm -
2 stops12h 47m
Deal found 8/16![Delta logo]()
$725
This Delta deal was found by Cheapflights users on 8/16. 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 9/245:23 pm -
2 stops14h 26m
Fri 9/252:00 pm -
1 stop7h 41m
Deal found 8/16![Delta logo]()
$820
This Delta deal was found by Cheapflights users on 8/16. 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 11/217:05 am -
1 stop7h 34m
Tue 11/2411:28 am -
2 stops10h 16m
Deal found 8/16![Delta logo]()
$904
Last-minute flights from Pasco to IllinoisDiscover last-minute flight deals from Pasco to Illinois. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Pasco to Illinois. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/15:15 am -
1 stop5h 25m
Sat 9/54:40 pm -
1 stop5h 57m
Deal found 8/17![United Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 8/17. 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 9/110:03 am -
2 stops11h 54m
Sat 9/511:22 am -
2 stops12h 53m
Deal found 8/17![Delta logo]()
$483
This Expedia deal was found by Cheapflights users on 8/17. 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.
Thu 9/35:20 am -
1 stop9h 50m
Sat 9/56:08 pm -
1 stop6h 40m
Deal found 8/17![Alaska Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 8/17. 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 9/56:15 am -
1 stop8h 45m
Mon 9/77:00 am -
1 stop6h 45m
Deal found 8/17![Delta logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/117:34 pm -
1 stop8h 04m
Wed 9/167:28 pm -
2 stops48h 32m
Deal found 8/13![Multiple Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 8/17. 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 9/1212:36 pm -
1 stop9h 21m
Tue 10/66:35 am -
1 stop7h 27m
Deal found 8/17![Delta logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:32 pm -
1 stop13h 00m
Mon 9/2112:17 pm -
1 stop9h 25m
Deal found 8/16![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/186:50 pm -
1 stop8h 48m
Mon 9/216:30 am -
2 stops15h 12m
Deal found 8/16![Multiple Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 8/14. 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 9/197:05 am -
1 stop7h 42m
Tue 9/226:55 pm -
1 stop6h 33m
Deal found 8/14![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/195:15 am -
1 stop5h 25m
Tue 9/227:00 am -
2 stops15h 37m
Deal found 8/14![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 8/14. 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 9/225:23 pm -
1 stop5h 21m
Fri 9/256:55 pm -
1 stop6h 33m
Deal found 8/14![Delta logo]()
$481
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop6h 21m
Fri 9/256:08 pm -
2 stops18h 11m
Deal found 8/14![Alaska Airlines logo]()
$501
One-way flights from Pasco to IllinoisSearch for one-way flight options from Pasco to Illinois. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Pasco to Illinois. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:51 pm -
3 stops56h 32m
Deal found 8/16![Multiple Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 8/15. 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 11/115:16 am -
1 stop9h 31m
Deal found 8/15![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 8/14. 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 1/97:05 am -
1 stop7h 45m
Deal found 8/14![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 8/15. 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 11/115:16 am -
2 stops9h 23m
Deal found 8/15![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:13 pm -
2 stops25h 34m
Deal found 8/16![Multiple Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 8/16. 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 9/173:24 pm -
1 stop7h 06m
Deal found 8/16![American Airlines logo]()
$262
This deal was found by Cheapflights users on 8/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:04 pm -
1 stop7h 55m
Deal found 8/14![Alaska Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:51 pm -
3 stops50h 00m
Deal found 8/15![Multiple Airlines logo]()
$274
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:30 pm -
1 stop8h 58m
Deal found 8/17![Alaska Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:34 pm -
3 stops28h 59m
Deal found 8/15![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:49 pm -
3 stops43h 09m
Deal found 8/15![Multiple Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 1/96:00 am -
3 stops37h 37m
Deal found 8/14![Multiple Airlines logo]()
$660
Find flight deals from Pasco to Illinois
Keep the following information in mind while searching for Pasco to Illinois flight deals. Data was last updated August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $423 (Alaska Airlines) |
One-way from | $193 (Kiwi.com) |
Popular in | March |
Cheapest in | July |
Average price | $372 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pasco 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 August 18, 2026.
Use the filters below to find and compare flights from Pasco to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PascoChicago
PSC Pasco Tri Cities - ORD Chicago O'Hare Intl
PSCORD
Pasco Tri Cities
Sat 1/30
5:10 am-1:13 pm
1 stop6h 03m
Chicago O'Hare Intl
Tue 2/2
8:00 am-2:32 pm
1 stop8h 32m
$423
PascoChicago
PSC Pasco Tri Cities - ORD Chicago O'Hare Intl
PSCORD
Pasco Tri Cities
Sat 9/12
12:36 pm-11:57 pm
1 stop9h 21m
Chicago O'Hare Intl
Tue 10/6
6:35 am-12:02 pm
1 stop7h 27m
$423
PascoChicago
PSC Pasco Tri Cities - ORD Chicago O'Hare Intl
PSCORD
Pasco Tri Cities
Sat 11/21
4:10 pm-6:28 am
1 stop12h 18m
Chicago O'Hare Intl
Tue 11/24
8:52 pm-9:04 am
1 stop14h 12m
$432
PascoSt. Louis
PSC Pasco Tri Cities - STL Lambert-St Louis
PSCSTL
Pasco Tri Cities
Wed 12/9
3:37 pm-11:56 pm
1 stop6h 19m
Lambert-St Louis
Wed 12/16
8:00 am-3:07 pm
1 stop9h 07m
$435
PascoSt. Louis
PSC Pasco Tri Cities - STL Lambert-St Louis
PSCSTL
Pasco Tri Cities
Sat 9/19
5:15 am-12:40 pm
1 stop5h 25m
Lambert-St Louis
Tue 9/22
7:00 am-8:37 pm
2 stops15h 37m
$461
PascoChicago
PSC Pasco Tri Cities - ORD Chicago O'Hare Intl
PSCORD
Pasco Tri Cities
Tue 9/1
1:46 pm-9:33 pm
1 stop5h 47m
Chicago O'Hare Intl
Sat 9/5
11:22 am-10:15 pm
2 stops12h 53m
$478
Quickest round-trip
PascoSt. Louis
PSC Pasco Tri Cities - STL Lambert-St Louis
PSCSTL
Pasco Tri Cities
Mon 11/2
5:10 am-12:38 pm
1 stop5h 28m
Lambert-St Louis
Sat 11/7
8:50 am-1:06 pm
1 stop6h 16m
$481
PascoSt. Louis
PSC Pasco Tri Cities - STL Lambert-St Louis
PSCSTL
Pasco Tri Cities
Tue 9/22
5:23 pm-12:44 am
1 stop5h 21m
Lambert-St Louis
Fri 9/25
6:55 pm-11:28 pm
1 stop6h 33m
$481
PascoSt. Louis
PSC Pasco Tri Cities - STL Lambert-St Louis
PSCSTL
Pasco Tri Cities
Wed 12/9
5:21 pm-12:40 am
1 stop5h 19m
Lambert-St Louis
Thu 12/17
6:00 am-7:44 pm
2 stops15h 44m
$515
PascoChicago
PSC Pasco Tri Cities - ORD Chicago O'Hare Intl
PSCORD
Pasco Tri Cities
Thu 10/15
1:55 pm-11:59 pm
1 stop8h 04m
Chicago O'Hare Intl
Mon 10/19
9:00 am-5:23 pm
1 stop10h 23m
$523
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from Pasco to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Pasco with our price prediction graph.
PSC-ORD
PSC-STL
PSC-MDW
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 Pasco to Illinois
PSC-USIL
PSC-ORD
PSC-STL
PSC-MDW
What is the cheapest month to book a flight from Pasco to Illinois?
Currently, February is the cheapest month in which you can book a flight from Pasco to Illinois (average of $328). Flying from Pasco to Illinois in December is currently the most expensive (average of $693). 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.
How much does it cost to fly round-trip from Pasco to Illinois?
Airfare is below average for this route at the moment.
Pasco to Illinois flights typically cost between $449 and $553 in January.The cheapest round-trip price found within the last 5 days was $423 on Alaska Airlines (Jan 30-Feb 2).
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 August 18, 2026.
Read reviews from past customers who have flown Alaska Airlines and Delta from Pasco to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Pasco to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Pasco 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 Pasco to Illinois by cabin class
Find flights from Pasco to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pasco and Illinois flights
Browse other Pasco and Illinois flight options. Last updated on August 18, 2026.
Popular flight searches
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Pasco to Illinois flights
Consider these flights traveling from Pasco to Illinois.
Top airline flying from Pasco to Illinois
Discover the top airline that operate flights from Pasco 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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$553 | FlexibilityNo cancel fee | On-timeN/A |