$104+ Cheap flights from Illinois to Phoenix
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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Sep 7 — Sep 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Phoenix 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 Illinois to Phoenix
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to PhoenixExplore the most affordable flight options available from Illinois to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 2026.
Explore the most affordable flight options available from Illinois to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm -
1 stop13h 01m
Tue 10/208:16 am -
1 stop8h 59m
Deal found 8/4![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:41 pm -
1 stop6h 34m
Fri 10/238:16 am -
1 stop8h 59m
Deal found 8/7![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:10 pm -
1 stop13h 01m
Mon 10/126:36 pm -
1 stop22h 39m
Deal found 8/7![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop13h 50m
Tue 9/223:21 pm -
1 stop25h 56m
Deal found 8/3![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
1 stop26h 14m
Fri 9/118:56 pm -
1 stop20h 21m
Deal found 8/7![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:58 pm -
1 stop5h 41m
Sun 9/138:56 pm -
1 stop20h 21m
Deal found 8/7![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm -
1 stop25h 41m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 8/3![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:27 pm -
1 stop16h 48m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 8/6![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop13h 50m
Mon 9/219:15 am -
1 stop8h 02m
Deal found 8/7![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:20 am -
1 stop28h 46m
Wed 9/309:15 am -
1 stop8h 02m
Deal found 8/3![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:49 pm -
1 stop26h 29m
Thu 11/57:55 pm -
1 stop22h 20m
Deal found 8/6![Frontier logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
Nonstop3h 59m
Sun 11/88:04 pm -
Nonstop3h 29m
Deal found 8/3![Frontier logo]()
$245
Best flights from Illinois to PhoenixDiscover carefully curated flight deals from Illinois to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
Discover carefully curated flight deals from Illinois to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
This Booking.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:17 pm -
Nonstop3h 31m
Mon 10/127:30 am -
Nonstop3h 07m
Deal found 8/5![Allegiant Air logo]()
$247
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:40 pm -
Nonstop3h 35m
Fri 9/118:00 am -
1 stop4h 35m
Deal found 8/3![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:10 pm -
1 stop7h 31m
Sun 9/67:12 am -
1 stop6h 45m
Deal found 8/3![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:00 am -
Nonstop3h 56m
Mon 10/54:29 pm -
1 stop5h 30m
Deal found 8/7![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:46 pm -
1 stop7h 12m
Fri 9/112:19 pm -
1 stop5h 49m
Deal found 8/5![American Airlines logo]()
$339
This Sun Country Air deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:18 pm -
1 stop22h 35m
Sun 11/15:34 pm -
1 stop16h 07m
Deal found 8/7![Sun Country Air logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:29 am -
2 stops14h 38m
Mon 9/147:49 pm -
2 stops19h 21m
Deal found 8/3![Alaska Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:23 am -
Nonstop3h 31m
Mon 11/97:00 am -
Nonstop3h 13m
Deal found 8/6![Allegiant Air logo]()
$266
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:24 am -
1 stop6h 26m
Sun 9/67:05 am -
1 stop6h 39m
Deal found 8/5![Delta logo]()
$286
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:15 am -
1 stop5h 10m
Mon 11/161:35 pm -
1 stop5h 15m
Deal found 8/7![Southwest logo]()
$290
This Booking.com deal was found by Cheapflights users on 8/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:07 pm -
Nonstop3h 31m
Mon 10/127:30 am -
Nonstop3h 07m
Deal found 8/8![Allegiant Air logo]()
$273
This Southwest deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:40 am -
Nonstop3h 35m
Sun 9/137:10 pm -
Nonstop3h 20m
Deal found 8/5![Southwest logo]()
$290
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:59 am -
1 stop7h 59m
Tue 9/1511:59 pm -
1 stop7h 50m
Deal found 8/4![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:12 pm -
Nonstop4h 03m
Thu 12/312:55 pm -
1 stop5h 48m
Deal found 8/5![United Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:43 pm -
Nonstop3h 20m
Mon 9/77:40 am -
Nonstop3h 09m
Deal found 8/3![Allegiant Air logo]()
$284
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:15 pm -
Nonstop3h 40m
Fri 9/43:05 pm -
Nonstop3h 15m
Deal found 8/7![Southwest logo]()
$291
This Delta deal was found by Cheapflights users on 8/8. 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 9/105:30 am -
1 stop8h 53m
Mon 9/1411:05 pm -
1 stop6h 51m
Deal found 8/8![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:46 pm -
1 stop7h 12m
Sat 9/56:10 am -
1 stop8h 09m
Deal found 8/3![American Airlines logo]()
$374
This Expedia deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:17 pm -
Nonstop3h 31m
Wed 10/148:10 am -
Nonstop3h 07m
Deal found 8/4![Allegiant Air logo]()
$290
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 pm -
1 stop5h 20m
Mon 10/54:45 pm -
1 stop5h 50m
Deal found 8/7![Southwest logo]()
$294
This Sun Country Air deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 pm -
1 stop14h 09m
Sun 11/227:36 pm -
1 stop14h 00m
Deal found 8/3![Sun Country Air logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:45 am -
1 stop8h 12m
Mon 9/149:45 am -
1 stop5h 43m
Deal found 8/3![United Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
2 stops15h 41m
Sun 10/187:24 pm -
1 stop16h 01m
Deal found 8/3![Alaska Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 am -
1 stop5h 45m
Tue 8/2512:20 pm -
2 stops9h 39m
Deal found 8/4![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:10 am -
1 stop4h 50m
Fri 9/43:05 pm -
Nonstop3h 15m
Deal found 8/7![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:15 am -
Nonstop4h 09m
Tue 11/109:55 am -
Nonstop3h 40m
Deal found 8/7![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:26 pm -
1 stop6h 35m
Fri 10/231:30 pm -
1 stop7h 06m
Deal found 8/5![Delta logo]()
$339
This Sun Country Air deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:45 pm -
1 stop22h 13m
Sun 10/254:28 pm -
1 stop16h 10m
Deal found 8/3![Sun Country Air logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:55 pm -
2 stops23h 20m
Wed 11/48:10 am -
Nonstop3h 13m
Deal found 8/6![Allegiant Air logo]()
$313
This Southwest deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:55 pm -
Nonstop3h 40m
Tue 9/110:35 am -
1 stop4h 35m
Deal found 8/4![Southwest logo]()
$297
Last-minute flights from Illinois to PhoenixDiscover last-minute flight deals from Illinois to Phoenix. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Phoenix. Data last updated August 8, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:45 pm -
1 stop8h 14m
Mon 8/1711:23 pm -
1 stop9h 32m
Deal found 8/7![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:58 pm -
1 stop5h 41m
Sat 9/59:10 am -
1 stop30h 12m
Deal found 8/3![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
1 stop26h 14m
Fri 9/118:56 pm -
1 stop20h 21m
Deal found 8/7![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:58 pm -
1 stop5h 41m
Sun 9/138:56 pm -
1 stop20h 21m
Deal found 8/7![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:58 pm -
1 stop5h 41m
Sat 9/129:15 am -
1 stop8h 02m
Deal found 8/7![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:27 pm -
1 stop16h 48m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 8/6![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:45 am -
2 stops29h 50m
Tue 9/153:21 pm -
1 stop7h 02m
Deal found 8/6![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm -
1 stop25h 41m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 8/3![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:20 am -
1 stop13h 30m
Sun 9/208:56 pm -
1 stop20h 21m
Deal found 8/7![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop13h 50m
Tue 9/223:21 pm -
1 stop25h 56m
Deal found 8/3![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop13h 50m
Mon 9/219:15 am -
1 stop8h 02m
Deal found 8/7![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:20 am -
1 stop28h 46m
Wed 9/309:15 am -
1 stop8h 02m
Deal found 8/3![Frontier logo]()
$221
One-way flights from Illinois to PhoenixSearch for one-way flight options from Illinois to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
Search for one-way flight options from Illinois to Phoenix. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:58 pm -
1 stop5h 41m
Deal found 8/7![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:10 pm -
1 stop13h 01m
Deal found 8/6![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop25h 41m
Deal found 8/7![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:58 pm -
1 stop5h 41m
Deal found 8/4![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:10 pm -
1 stop13h 50m
Deal found 8/6![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:10 pm -
1 stop13h 50m
Deal found 8/6![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
1 stop26h 14m
Deal found 8/4![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:10 pm -
1 stop13h 01m
Deal found 8/6![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:00 pm -
Nonstop3h 59m
Deal found 8/3![Frontier logo]()
$123
This Kissandfly.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:27 pm -
Nonstop3h 31m
Deal found 8/5![Allegiant Air logo]()
$123
This Trip.com deal was found by Cheapflights users on 8/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:54 pm -
1 stop10h 56m
Deal found 8/8![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:20 pm -
1 stop22h 32m
Deal found 8/4![Frontier logo]()
$124
Find flight deals from Illinois to Phoenix
Keep the following information in mind while searching for Illinois to Phoenix flight deals. Data was last updated August 8, 2026.
Round-trip from | $193 (Kiwi.com) |
|---|---|
One-way from | $104 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $273 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Phoenix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Illinois to Phoenix that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPhoenix
RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway
RFDAZA
Chicago Greater Rockford
Fri 10/2
12:17 pm-1:48 pm
Nonstop3h 31m
Phoenix-Mesa Gateway
Mon 10/12
7:30 am-12:37 pm
Nonstop3h 07m
$247
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Sat 9/5
12:40 pm-2:15 pm
Nonstop3h 35m
Phoenix Sky Harbor Intl
Fri 9/11
8:00 am-2:35 pm
1 stop4h 35m
$259
ChicagoPhoenix
RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway
RFDAZA
Chicago Greater Rockford
Fri 11/6
11:23 am-1:54 pm
Nonstop3h 31m
Phoenix-Mesa Gateway
Mon 11/9
7:00 am-11:13 am
Nonstop3h 13m
$266
ChicagoPhoenix
RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway
RFDAZA
Chicago Greater Rockford
Wed 10/7
2:07 pm-3:38 pm
Nonstop3h 31m
Phoenix-Mesa Gateway
Mon 10/12
7:30 am-12:37 pm
Nonstop3h 07m
$273
Quickest round-trip
ChicagoPhoenix
RFD Chicago Greater Rockford - AZA Phoenix-Mesa Gateway
RFDAZA
Chicago Greater Rockford
Mon 8/31
1:43 pm-3:03 pm
Nonstop3h 20m
Phoenix-Mesa Gateway
Mon 9/7
7:40 am-12:49 pm
Nonstop3h 09m
$284
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Thu 9/3
5:10 pm-10:41 pm
1 stop7h 31m
Phoenix Sky Harbor Intl
Sun 9/6
7:12 am-3:57 pm
1 stop6h 45m
$286
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Wed 9/2
9:24 am-1:50 pm
1 stop6h 26m
Phoenix Sky Harbor Intl
Sun 9/6
7:05 am-3:44 pm
1 stop6h 39m
$286
ChicagoPhoenix
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Wed 9/30
11:00 am-12:56 pm
Nonstop3h 56m
Phoenix Sky Harbor Intl
Mon 10/5
4:29 pm-11:59 pm
1 stop5h 30m
$289
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Thu 11/12
10:15 am-2:25 pm
1 stop5h 10m
Phoenix Sky Harbor Intl
Mon 11/16
1:35 pm-7:50 pm
1 stop5h 15m
$290
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Fri 9/11
5:40 am-7:15 am
Nonstop3h 35m
Phoenix Sky Harbor Intl
Sun 9/13
7:10 pm-12:30 am
Nonstop3h 20m
$290
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Phoenix
Have a flexible travel schedule? Discover the best time to fly to Phoenix from Illinois with our price prediction graph.
RFD-AZA
MDW-PHX
ORD-PHX
BMI-PHX
ORD-AZA
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 Phoenix
USIL-PH1
RFD-AZA
MDW-PHX
ORD-PHX
BMI-PHX
What is the cheapest month to book a flight from Illinois to Phoenix?
Currently, January is the cheapest month in which you can book a flight from Illinois to Phoenix (average of $238). Flying from Illinois to Phoenix in June is currently the most expensive (average of $345). 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 PHX?
Find hourly flight availability from Illinois to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 8, 2026.
When flying from Illinois to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the morning.
Weekly flight availability from Illinois to Phoenix
Explore weekly flight availability from Illinois to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 8, 2026.
The most flights from USIL to PH1 are scheduled on a Friday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).
How much does it cost to fly round-trip from Illinois to Phoenix?
Airfare is typical for this route at the moment.
Illinois to Phoenix flights typically cost between $233 and $384 in November.The cheapest round-trip price found within the last 5 days was $245 on Frontier (Nov 5-Nov 8).
How far ahead should I book a flight from Illinois to Phoenix?
To ensure you get the cheapest price possible for a flight from Illinois to Phoenix, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Phoenix. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Illinois to Phoenix flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday afternoons 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 Phoenix. 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 Illinois to Phoenix
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Phoenix by cabin class
Find flights from Illinois to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Phoenix flights
Browse other Illinois and Phoenix flight options. Last updated on August 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Phoenix flights
Consider these flights traveling from Illinois to Phoenix.
Top 8 airlines flying from Illinois to Phoenix
Discover the top 8 airlines that operate flights from Illinois to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$274 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$223 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$187 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$188 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$341 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$269 | FlexibilityNo cancel fee | On-time75% |