$94+ Cheap flights from Illinois to Mesa, AZ
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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Mesa 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 Mesa
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Cheapest flights from Illinois to MesaExplore the most affordable flight options available from Illinois to Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
Explore the most affordable flight options available from Illinois to Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop13h 50m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop7h 33m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/308:10 pm -
2 stops18h 12m
Wed 10/79:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop7h 33m
Sat 9/128:56 pm -
1 stop13h 11m
Deal found 7/31![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop7h 33m
Fri 9/118:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$192
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 7/31. Clicking the “Pick Dates” 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 9/76:17 pm -
2 stops21h 00m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/77:58 pm -
1 stop16h 13m
Wed 9/99:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/35:27 pm -
1 stop7h 33m
Wed 9/99:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:10 pm -
1 stop13h 01m
Thu 10/158:16 am -
1 stop8h 59m
Deal found 7/31![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/168:10 pm -
1 stop13h 01m
Mon 10/196:36 pm -
1 stop22h 39m
Deal found 8/2![Frontier logo]()
$201
Best flights from Illinois to MesaDiscover carefully curated flight deals from Illinois to Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
Discover carefully curated flight deals from Illinois to Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
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 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 9/312:47 pm -
1 stop7h 09m
Sun 9/611:28 am -
Nonstop3h 37m
Deal found 8/3![United Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/87:20 am -
1 stop9h 13m
Mon 9/1412:13 pm -
1 stop9h 46m
Deal found 7/31![Alaska Airlines logo]()
$279
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.
Fri 9/46:40 am -
1 stop7h 28m
Sun 9/611:56 pm -
1 stop8h 17m
Deal found 8/3![Delta logo]()
$298
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 Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:29 pm -
1 stop18h 19m
Tue 9/812:32 pm -
2 stops19h 03m
Deal found 8/5![Multiple Airlines logo]()
$409
This Sun Country Air deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Fri 11/2011:36 am -
1 stop13h 07m
Sun 11/2912:59 am -
1 stop6h 26m
Deal found 7/31![Sun Country Air logo]()
$410
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:40 am -
Nonstop3h 35m
Sun 9/2012:35 am -
Nonstop3h 15m
Deal found 7/31![Southwest logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/99:20 am -
1 stop7h 40m
Sun 12/137:05 am -
1 stop8h 56m
Deal found 7/31![Alaska Airlines logo]()
$283
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:30 pm -
Nonstop3h 53m
Mon 8/319:00 am -
Nonstop3h 43m
Deal found 8/4![United Airlines logo]()
$291
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.
Wed 10/285:31 pm -
1 stop7h 50m
Tue 11/32:31 pm -
1 stop7h 02m
Deal found 8/4![Delta logo]()
$299
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 12/125:05 am -
Nonstop3h 50m
Wed 12/161:35 pm -
1 stop5h 10m
Deal found 8/3![Southwest logo]()
$285
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 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am -
1 stop5h 37m
Mon 10/59:00 am -
Nonstop3h 44m
Deal found 7/31![United Airlines logo]()
$301
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.
Tue 9/11:46 pm -
2 stops8h 51m
Sun 9/63:55 pm -
1 stop6h 04m
Deal found 8/4![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:15 am -
1 stop6h 20m
Mon 8/316:00 am -
Nonstop3h 20m
Deal found 8/2![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/24:19 pm -
1 stop7h 26m
Wed 11/113:00 pm -
1 stop6h 56m
Deal found 8/2![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:30 pm -
Nonstop3h 54m
Tue 10/133:30 pm -
1 stop5h 16m
Deal found 8/2![United Airlines logo]()
$301
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.
Thu 10/2210:55 pm -
Nonstop3h 45m
Mon 10/264:45 pm -
1 stop5h 50m
Deal found 8/4![Southwest logo]()
$285
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:22 pm -
2 stops10h 05m
Sat 10/107:24 pm -
1 stop16h 01m
Deal found 8/4![Alaska Airlines logo]()
$373
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.
Thu 10/297:00 am -
1 stop6h 35m
Mon 11/21:35 am -
Nonstop3h 10m
Deal found 8/4![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 12/319:30 am -
1 stop10h 06m
Mon 1/411:55 pm -
1 stop7h 39m
Deal found 8/2![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:36 pm -
1 stop7h 38m
Sat 9/1210:10 am -
1 stop8h 46m
Deal found 7/31![American Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:35 am -
1 stop6h 20m
Wed 10/215:00 am -
Nonstop2h 50m
Deal found 8/1![Southwest logo]()
$287
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:12 pm -
Nonstop4h 03m
Wed 11/41:50 pm -
Nonstop3h 37m
Deal found 8/4![United Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/176:02 am -
2 stops14h 40m
Mon 10/197:38 am -
2 stops14h 21m
Deal found 7/31![Alaska Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 8/248:00 am -
1 stop5h 50m
Mon 8/244:00 pm -
1 stop5h 45m
Deal found 8/1![Southwest logo]()
$290
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 10/11:23 pm -
1 stop5h 44m
Sun 10/45:08 am -
1 stop5h 44m
Deal found 8/3![American Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/26:00 am -
1 stop8h 17m
Wed 9/911:59 pm -
1 stop9h 19m
Deal found 8/1![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/248:25 am -
1 stop4h 45m
Mon 10/268:25 pm -
Nonstop2h 50m
Deal found 8/1![Southwest logo]()
$293
Last-minute flights from Illinois to MesaDiscover last-minute flight deals from Illinois to Mesa. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Mesa. Data last updated August 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/35:27 pm -
1 stop7h 33m
Wed 9/99:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/76:17 pm -
2 stops21h 00m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/77:58 pm -
1 stop16h 13m
Wed 9/99:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop7h 33m
Tue 9/158:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop7h 33m
Sat 9/128:56 pm -
1 stop13h 11m
Deal found 7/31![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop7h 33m
Fri 9/118:56 pm -
1 stop20h 21m
Deal found 7/31![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop20h 07m
Mon 9/216:25 am -
1 stop10h 52m
Deal found 7/31![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop13h 50m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$158
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 9/166:30 am -
1 stop8h 05m
Sun 9/208:56 pm -
2 stops20h 39m
Deal found 8/3![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.
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 7/31. Clicking the “Pick Dates” 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 9/308:10 pm -
2 stops18h 12m
Wed 10/79:15 am -
1 stop8h 02m
Deal found 7/31![Frontier logo]()
$175
One-way flights from Illinois to MesaSearch for one-way flight options from Illinois to Mesa. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from Illinois to Mesa. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/131:02 pm -
1 stop8h 49m
Deal found 7/31![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 stop16h 13m
Deal found 7/31![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/15:27 pm -
1 stop7h 33m
Deal found 8/1![Frontier logo]()
$102
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.
Sun 9/67:58 pm -
1 stop5h 41m
Deal found 8/4![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/28:10 pm -
1 stop13h 50m
Deal found 8/2![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/282:29 pm -
2 stops33h 21m
Deal found 8/2![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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
Deal found 7/31![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 7/31![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/1910:35 am -
2 stops30h 47m
Deal found 8/1![Frontier logo]()
$115
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Sun 10/412:54 pm -
1 stop10h 56m
Deal found 7/31![Frontier logo]()
$123
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 Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/205:46 pm -
1 stop20h 56m
Deal found 7/31![Frontier logo]()
$124
Find flight deals from Illinois to Mesa
Keep the following information in mind while searching for Illinois to Mesa flight deals. Data was last updated August 5, 2026.
Round-trip from | $193 (Kiwi.com) |
|---|---|
One-way from | $94 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $267 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Mesa 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 5, 2026.
Use the filters below to find and compare flights from Illinois to Mesa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
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
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Thu 9/3
12:47 pm-5:56 pm
1 stop7h 09m
Phoenix Sky Harbor Intl
Sun 9/6
11:28 am-5:05 pm
Nonstop3h 37m
$272
ChicagoPhoenix
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Tue 9/8
7:20 am-2:33 pm
1 stop9h 13m
Phoenix Sky Harbor Intl
Mon 9/14
12:13 pm-11:59 pm
1 stop9h 46m
$279
Quickest round-trip
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Mon 9/14
5:40 am-7:15 am
Nonstop3h 35m
Phoenix Sky Harbor Intl
Sun 9/20
12:35 am-5:50 am
Nonstop3h 15m
$279
ChicagoPhoenix
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Wed 12/9
9:20 am-4:00 pm
1 stop7h 40m
Phoenix Sky Harbor Intl
Sun 12/13
7:05 am-5:01 pm
1 stop8h 56m
$283
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Sat 12/12
5:05 am-7:55 am
Nonstop3h 50m
Phoenix Sky Harbor Intl
Wed 12/16
1:35 pm-7:45 pm
1 stop5h 10m
$285
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Thu 8/27
10:15 am-2:35 pm
1 stop6h 20m
Phoenix Sky Harbor Intl
Mon 8/31
6:00 am-11:20 am
Nonstop3h 20m
$285
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Thu 10/22
10:55 pm-12:40 am
Nonstop3h 45m
Phoenix Sky Harbor Intl
Mon 10/26
4:45 pm-12:35 am
1 stop5h 50m
$285
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Thu 10/29
7:00 am-11:35 am
1 stop6h 35m
Phoenix Sky Harbor Intl
Mon 11/2
1:35 am-5:45 am
Nonstop3h 10m
$285
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Wed 9/16
5:35 am-9:55 am
1 stop6h 20m
Phoenix Sky Harbor Intl
Wed 10/21
5:00 am-9:50 am
Nonstop2h 50m
$287
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Mesa
Have a flexible travel schedule? Discover the best time to fly to Mesa from Illinois with our price prediction graph.
STL-PHX
MDW-PHX
ORD-PHX
BMI-PHX
PIA-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 Mesa
USIL-MS9
STL-PHX
MDW-PHX
ORD-PHX
BMI-PHX
What is the cheapest time of day to fly from IL to MS9?
Find hourly flight availability from Illinois to Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 5, 2026.
One of the essential ways to save on airfare from Illinois to Mesa is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.
Weekly flight availability from Illinois to Mesa
Explore weekly flight availability from Illinois to Mesa. 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 5, 2026.
The most flights from USIL to MS9 are scheduled on a Tuesday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Illinois to Mesa?
Airfare is typical for this route at the moment.
Illinois to Mesa flights typically cost between $217 and $378 in September.The cheapest round-trip price found within the last 5 days was $245 on Frontier (Sep 16-Sep 20).
What is the cheapest day to fly from Illinois to Mesa?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Mesa. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Illinois to Mesa 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 Mesa. 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
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Top destinations
Alternative routes for Illinois to Mesa
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Mesa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Mesa by cabin class
Find flights from Illinois to Mesa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Mesa flights
Browse other Illinois and Mesa flight options. Last updated on August 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Mesa
Find the right flight back to Illinois after your stay in Mesa
Illinois to Mesa flights
Consider these flights traveling from Illinois to Mesa.
Top 8 airlines flying from Illinois to Mesa
Discover the top 8 airlines that operate flights from Illinois to Mesa. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$219 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$274 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$224 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$186 | 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$214 | Average$340 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$269 | FlexibilityNo cancel fee | On-time75% |