$58+ Cheap flights from Illinois to Phoenix
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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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
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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
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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 November 9, 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 November 9, 2026.
This CheapOair deal was found by Cheapflights users on 11/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:24 pm -
Nonstop3h 44m
Fri 12/112:24 pm -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$145
This Trip.com deal was found by Cheapflights users on 11/8. 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.
Fri 12/117:24 pm -
Nonstop3h 44m
Mon 12/142:24 pm -
Nonstop3h 10m
Deal found 11/8![Allegiant Air logo]()
$167
This CheapOair deal was found by Cheapflights users on 11/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:24 pm -
Nonstop3h 44m
Fri 12/183:06 pm -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$178
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:24 pm -
Nonstop3h 44m
Mon 12/72:24 pm -
Nonstop3h 10m
Deal found 11/5![Allegiant Air logo]()
$181
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:32 pm -
Nonstop3h 32m
Thu 12/107:40 am -
Nonstop3h 02m
Deal found 11/5![Allegiant Air logo]()
$186
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:14 pm -
Nonstop3h 44m
Mon 11/232:58 pm -
Nonstop3h 10m
Deal found 11/5![Allegiant Air logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/2111:10 am -
Nonstop3h 44m
Fri 12/256:10 am -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$206
This Orbitz deal was found by Cheapflights users on 11/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:42 pm -
Nonstop3h 29m
Thu 12/37:40 am -
Nonstop3h 02m
Deal found 11/6![Allegiant Air logo]()
$215
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:43 pm -
Nonstop3h 31m
Sat 11/218:10 am -
Nonstop2h 53m
Deal found 11/6![Allegiant Air logo]()
$223
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:19 pm -
Nonstop3h 29m
Tue 12/292:48 pm -
Nonstop2h 59m
Deal found 11/8![Allegiant Air logo]()
$250
This Kissandfly.com deal was found by Cheapflights users on 11/5. 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.
Fri 11/2712:05 pm -
Nonstop4h 10m
Fri 12/410:52 am -
1 stop17h 07m
Deal found 11/5![Frontier logo]()
$252
This Justfly.com deal was found by Cheapflights users on 11/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:35 pm -
1 stop17h 09m
Mon 12/2110:53 pm -
1 stop19h 37m
Deal found 11/5![Frontier logo]()
$253
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 November 9, 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 November 9, 2026.
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/227:26 pm -
Nonstop3h 44m
Fri 1/292:26 pm -
Nonstop3h 10m
Deal found 11/5![Allegiant Air logo]()
$114
This CheapOair deal was found by Cheapflights users on 11/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:23 pm -
Nonstop3h 44m
Fri 1/222:26 pm -
Nonstop3h 10m
Deal found 11/8![Allegiant Air logo]()
$115
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/87:23 pm -
Nonstop3h 44m
Fri 1/152:26 pm -
Nonstop3h 10m
Deal found 11/6![Allegiant Air logo]()
$124
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/177:01 am -
Nonstop4h 03m
Fri 12/188:05 am -
Nonstop3h 40m
Deal found 11/5![United Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 11/5. 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.
Thu 12/175:15 am -
Nonstop3h 55m
Fri 12/186:25 pm -
1 stop4h 50m
Deal found 11/5![Southwest logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:58 pm -
1 stop14h 52m
Mon 1/117:53 am -
1 stop15h 06m
Deal found 11/8![Alaska Airlines logo]()
$300
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:26 pm -
Nonstop3h 44m
Mon 2/82:26 pm -
Nonstop3h 10m
Deal found 11/6![Allegiant Air logo]()
$128
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 pm -
1 stop7h 58m
Mon 12/712:58 am -
1 stop6h 57m
Deal found 11/7![Delta logo]()
$325
This CheapOair deal was found by Cheapflights users on 11/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:26 pm -
Nonstop3h 44m
Fri 1/222:26 pm -
Nonstop3h 10m
Deal found 11/8![Allegiant Air logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 2/178:31 pm -
Nonstop3h 43m
Fri 2/269:52 pm -
2 stops36h 50m
Deal found 11/7![Multiple Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 12/92:18 pm -
1 stop8h 43m
Sat 12/125:26 pm -
1 stop5h 37m
Deal found 11/4![American Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 1/157:26 pm -
Nonstop3h 44m
Mon 1/252:26 pm -
Nonstop3h 10m
Deal found 11/4![Allegiant Air logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/188:06 pm -
Nonstop3h 44m
Fri 12/256:10 am -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$167
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:15 am -
Nonstop4h 09m
Sat 12/1210:20 am -
Nonstop3h 40m
Deal found 11/4![United Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 1/285:20 am -
Nonstop3h 55m
Sun 1/315:05 am -
Nonstop3h 25m
Deal found 11/4![Southwest logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:00 am -
1 stop9h 50m
Thu 12/246:00 am -
1 stop6h 19m
Deal found 11/7![Alaska Airlines logo]()
$315
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2111:30 am -
Nonstop3h 43m
Sun 1/316:40 am -
Nonstop3h 00m
Deal found 11/9![Allegiant Air logo]()
$183
This Southwest deal was found by Cheapflights users on 11/4. 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 12/1110:15 am -
1 stop5h 10m
Sun 1/106:10 pm -
Nonstop3h 15m
Deal found 11/4![Southwest logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 1/303:04 pm -
Nonstop3h 41m
Sat 2/610:10 am -
Nonstop3h 04m
Deal found 11/7![Allegiant Air logo]()
$185
This Delta deal was found by Cheapflights users on 11/8. 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 1/71:59 pm -
1 stop9h 18m
Tue 3/912:55 am -
1 stop7h 57m
Deal found 11/8![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:50 am -
1 stop5h 53m
Mon 12/281:50 pm -
Nonstop3h 40m
Deal found 11/4![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/112:18 pm -
1 stop8h 09m
Tue 12/155:26 pm -
1 stop5h 37m
Deal found 11/4![American Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sun 12/610:15 am -
1 stop5h 10m
Fri 12/117:05 pm -
1 stop5h 05m
Deal found 11/4![Southwest logo]()
$324
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:32 pm -
Nonstop3h 32m
Thu 12/107:40 am -
Nonstop3h 02m
Deal found 11/5![Allegiant Air logo]()
$186
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:10 pm -
Nonstop4h 05m
Sun 12/68:00 am -
Nonstop3h 39m
Deal found 11/6![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:55 pm -
1 stop5h 57m
Fri 1/112:58 am -
1 stop7h 21m
Deal found 11/6![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/227:01 am -
Nonstop4h 03m
Sun 12/2710:10 am -
Nonstop3h 40m
Deal found 11/8![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 1/2512:16 pm -
1 stop9h 01m
Mon 2/17:40 am -
1 stop7h 09m
Deal found 11/5![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 11/8. 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.
Mon 12/2110:55 pm -
Nonstop4h 00m
Wed 12/306:25 pm -
1 stop4h 50m
Deal found 11/8![Southwest logo]()
$360
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2811:30 am -
Nonstop3h 43m
Thu 2/46:40 am -
Nonstop3h 02m
Deal found 11/4![Allegiant Air logo]()
$211
Last-minute flights from Illinois to PhoenixDiscover last-minute flight deals from Illinois to Phoenix. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Phoenix. Data last updated November 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 11/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:43 pm -
Nonstop3h 31m
Sat 11/218:10 am -
Nonstop2h 53m
Deal found 11/6![Allegiant Air logo]()
$223
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:14 pm -
Nonstop3h 44m
Mon 11/232:58 pm -
Nonstop3h 10m
Deal found 11/5![Allegiant Air logo]()
$186
This Orbitz deal was found by Cheapflights users on 11/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:42 pm -
Nonstop3h 29m
Thu 12/37:40 am -
Nonstop3h 02m
Deal found 11/6![Allegiant Air logo]()
$215
This Kissandfly.com deal was found by Cheapflights users on 11/5. 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.
Fri 11/2712:05 pm -
Nonstop4h 10m
Fri 12/410:52 am -
1 stop17h 07m
Deal found 11/5![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:24 pm -
Nonstop3h 44m
Mon 12/72:24 pm -
Nonstop3h 10m
Deal found 11/5![Allegiant Air logo]()
$181
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:32 pm -
Nonstop3h 32m
Thu 12/107:40 am -
Nonstop3h 02m
Deal found 11/5![Allegiant Air logo]()
$186
This CheapOair deal was found by Cheapflights users on 11/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:24 pm -
Nonstop3h 44m
Fri 12/112:24 pm -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$145
This Trip.com deal was found by Cheapflights users on 11/8. 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.
Fri 12/117:24 pm -
Nonstop3h 44m
Mon 12/142:24 pm -
Nonstop3h 10m
Deal found 11/8![Allegiant Air logo]()
$167
This CheapOair deal was found by Cheapflights users on 11/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:24 pm -
Nonstop3h 44m
Fri 12/183:06 pm -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$178
This Justfly.com deal was found by Cheapflights users on 11/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:35 pm -
1 stop17h 09m
Mon 12/2110:53 pm -
1 stop19h 37m
Deal found 11/5![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/2111:10 am -
Nonstop3h 44m
Fri 12/256:10 am -
Nonstop3h 10m
Deal found 11/7![Allegiant Air logo]()
$206
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:19 pm -
Nonstop3h 29m
Tue 12/292:48 pm -
Nonstop2h 59m
Deal found 11/8![Allegiant Air logo]()
$250
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 November 9, 2026.
Search for one-way flight options from Illinois to Phoenix. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This CheapOair deal was found by Cheapflights users on 11/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/87:23 pm -
Nonstop3h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Allegiant Air logo]()
$58
This CheapOair deal was found by Cheapflights users on 11/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:23 pm -
Nonstop3h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Allegiant Air logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 1/157:26 pm -
Nonstop3h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Allegiant Air logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 11/2511:40 am -
Nonstop3h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Allegiant Air logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 1/1411:30 am -
Nonstop3h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Allegiant Air logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/18:11 pm -
Nonstop3h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Allegiant Air logo]()
$109
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:14 pm -
Nonstop3h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Allegiant Air logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Mon 1/411:20 am -
Nonstop3h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Allegiant Air logo]()
$122
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:35 pm -
1 stop17h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 2/206:21 am -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 11/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/236:01 am -
1 stop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 11/7. 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.
Fri 2/198:14 pm -
Nonstop4h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$130
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 November 9, 2026.
Round-trip from | $111 (CheapOair) |
|---|---|
One-way from | $58 (CheapOair) |
Popular in | November |
Cheapest in | January |
Average price | $385 |
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 7,457,451 searches. Data last updated November 9, 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
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Mon 1/11
7:23 pm-10:07 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$63
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Fri 1/15
7:26 pm-10:10 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$74
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Wed 11/25
11:40 am-2:24 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$80
Quickest round-trip
PeoriaPhoenix
PIA Greater Peoria - AZA Phoenix-Mesa Gateway
PIAAZA
Greater Peoria
Fri 1/1
8:11 pm-10:40 pm
Nonstop3h 29m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Fri 11/20
8:14 pm-10:58 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Fri 1/22
7:26 pm-10:10 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Fri 1/29
2:26 pm-6:36 pm
Nonstop3h 10m
$114
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Mon 1/11
7:23 pm-10:07 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Fri 1/22
2:26 pm-6:36 pm
Nonstop3h 10m
$115
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Fri 1/8
7:23 pm-10:07 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Fri 1/15
2:26 pm-6:36 pm
Nonstop3h 10m
$124
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Fri 2/5
7:26 pm-10:10 pm
Nonstop3h 44m
Phoenix-Mesa Gateway
Mon 2/8
2:26 pm-6:36 pm
Nonstop3h 10m
$128
BloomingtonPhoenix
BMI Bloomington-Normal - AZA Phoenix-Mesa Gateway
BMIAZA
Bloomington-Normal
Fri 3/5
7:09 pm-9:46 pm
Nonstop3h 37m
Phoenix-Mesa Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$130
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.
BMI-AZA
MDW-PHX
ORD-PHX
PIA-AZA
BMI-PHX
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
BMI-AZA
MDW-PHX
ORD-PHX
PIA-AZA
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 $245). Flying from Illinois to Phoenix in November is currently the most expensive (average of $374). 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 November 9, 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 13% 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 November 9, 2026.
The most flights from USIL to PH1 are scheduled on a Sunday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (37 on average).
How much does it cost to fly round-trip from Illinois to Phoenix?
Airfare is below average for this route at the moment.
Illinois to Phoenix flights typically cost between $297 and $484 in November.The cheapest round-trip price found within the last 5 days was $252 on Frontier (Nov 27-Dec 4).
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 78 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 November 7, 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.
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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 November 9, 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$122 | Average$244 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$188 | Average$286 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$428 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$347 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$336 | FlexibilityNo cancel fee | On-time75% |