$70+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Sep 15 — Sep 221
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
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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 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 16, 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 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:10 pm -
1 stop17h 27m
Tue 11/38:05 am -
1 stop13h 34m
Deal found 8/14![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:10 pm -
1 stop17h 27m
Mon 11/210:06 am -
1 stop8h 09m
Deal found 8/15![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm -
1 stop6h 39m
Sat 9/129:15 am -
1 stop8h 02m
Deal found 8/15![Frontier logo]()
$175
This Expedia deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm -
1 stop12h 30m
Sat 9/199:15 am -
1 stop8h 02m
Deal found 8/13![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:17 pm -
1 stop8h 46m
Tue 9/228:39 pm -
1 stop12h 53m
Deal found 8/16![Frontier logo]()
$180
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop5h 33m
Tue 9/228:30 am -
1 stop25h 02m
Deal found 8/13![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:10 pm -
1 stop13h 50m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 8/15![Frontier logo]()
$184
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:42 pm -
1 stop6h 06m
Tue 10/275:55 pm -
1 stop26h 44m
Deal found 8/12![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:42 pm -
1 stop6h 06m
Mon 10/125:01 am -
1 stop9h 57m
Deal found 8/14![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm -
1 stop6h 39m
Thu 9/103:21 pm -
1 stop25h 56m
Deal found 8/12![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:00 pm -
1 stop8h 14m
Fri 9/1111:05 pm -
1 stop8h 02m
Deal found 8/12![Delta logo]()
$245
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:22 am -
1 stop8h 46m
Fri 9/1111:05 pm -
1 stop6h 52m
Deal found 8/13![Delta logo]()
$245
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 16, 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 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:10 pm -
1 stop13h 50m
Sun 10/412:04 pm -
2 stops23h 06m
Deal found 8/11![Frontier logo]()
$203
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:49 pm -
1 stop8h 53m
Fri 12/412:49 pm -
1 stop6h 36m
Deal found 8/13![Delta logo]()
$252
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 am -
Nonstop3h 55m
Mon 11/91:35 am -
Nonstop3h 10m
Deal found 8/14![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
Nonstop4h 02m
Sun 12/203:44 pm -
Nonstop3h 40m
Deal found 8/12![United Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:30 pm -
1 stop7h 51m
Fri 10/233:17 pm -
1 stop5h 41m
Deal found 8/11![American Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:21 pm -
1 stop8h 20m
Sat 10/243:42 pm -
2 stops11h 58m
Deal found 8/14![Alaska Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:36 pm -
1 stop27h 06m
Tue 10/134:34 pm -
2 stops24h 22m
Deal found 8/15![Multiple Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:45 pm -
Nonstop3h 45m
Sat 10/2412:35 am -
Nonstop3h 10m
Deal found 8/11![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am -
1 stop5h 37m
Fri 9/254:49 pm -
Nonstop3h 39m
Deal found 8/15![United Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:10 pm -
1 stop7h 31m
Mon 9/711:05 pm -
1 stop8h 02m
Deal found 8/12![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 am -
Nonstop3h 35m
Sat 9/123:00 pm -
Nonstop3h 15m
Deal found 8/11![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:15 am -
Nonstop4h 09m
Mon 11/166:20 pm -
Nonstop3h 38m
Deal found 8/11![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop5h 50m
Sat 9/1212:35 am -
Nonstop3h 15m
Deal found 8/13![Southwest logo]()
$273
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:34 pm -
1 stop6h 33m
Fri 12/115:18 pm -
1 stop5h 41m
Deal found 8/15![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:22 pm -
1 stop7h 07m
Mon 11/233:00 pm -
1 stop6h 56m
Deal found 8/13![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:45 pm -
Nonstop3h 15m
Sat 9/198:10 am -
1 stop5h 25m
Deal found 8/13![Southwest logo]()
$275
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/252:30 pm -
1 stop8h 28m
Mon 2/15:30 am -
1 stop7h 27m
Deal found 8/15![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:27 pm -
1 stop7h 51m
Sat 11/712:59 am -
1 stop6h 45m
Deal found 8/13![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 pm -
1 stop5h 20m
Tue 10/2712:00 pm -
Nonstop3h 15m
Deal found 8/15![Southwest logo]()
$276
This American Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:00 am -
2 stops9h 59m
Fri 9/253:34 pm -
1 stop6h 29m
Deal found 8/16![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:45 am -
1 stop7h 23m
Sat 9/128:50 am -
2 stops10h 09m
Deal found 8/15![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:27 pm -
1 stop6h 42m
Sat 10/2412:50 am -
1 stop5h 54m
Deal found 8/14![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:45 pm -
1 stop8h 14m
Wed 9/911:32 am -
1 stop8h 28m
Deal found 8/11![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:35 am -
Nonstop3h 15m
Wed 9/163:25 pm -
Nonstop3h 00m
Deal found 8/13![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:09 pm -
1 stop7h 33m
Tue 9/2911:59 pm -
1 stop8h 14m
Deal found 8/16![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:30 pm -
Nonstop3h 16m
Sun 10/44:40 pm -
Nonstop3h 08m
Deal found 8/11![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:30 pm -
Nonstop3h 54m
Mon 9/2811:52 pm -
Nonstop3h 28m
Deal found 8/13![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:08 am -
1 stop8h 31m
Sun 9/1311:59 pm -
1 stop8h 14m
Deal found 8/14![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:05 am -
Nonstop3h 25m
Mon 10/268:25 pm -
Nonstop2h 50m
Deal found 8/13![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:30 pm -
1 stop6h 56m
Tue 10/612:50 am -
1 stop5h 54m
Deal found 8/13![Delta logo]()
$328
Last-minute flights from Illinois to MesaDiscover last-minute flight deals from Illinois to Mesa. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Mesa. Data last updated August 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm -
1 stop6h 39m
Sat 9/129:15 am -
1 stop8h 02m
Deal found 8/15![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm -
1 stop6h 39m
Thu 9/103:21 pm -
1 stop25h 56m
Deal found 8/12![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm -
1 stop6h 39m
Tue 9/84:48 pm -
1 stop24h 29m
Deal found 8/14![Frontier logo]()
$201
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:00 pm -
1 stop8h 14m
Fri 9/1111:05 pm -
1 stop8h 02m
Deal found 8/12![Delta logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 pm -
1 stop13h 50m
Sat 9/123:21 pm -
2 stops17h 56m
Deal found 8/14![Frontier logo]()
$193
This Expedia deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:17 pm -
1 stop12h 30m
Sat 9/199:15 am -
1 stop8h 02m
Deal found 8/13![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:17 pm -
1 stop8h 46m
Tue 9/228:39 pm -
1 stop12h 53m
Deal found 8/16![Frontier logo]()
$180
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm -
1 stop5h 33m
Tue 9/228:30 am -
1 stop25h 02m
Deal found 8/13![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:10 pm -
1 stop13h 50m
Wed 9/239:15 am -
1 stop8h 02m
Deal found 8/15![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:17 pm -
1 stop8h 46m
Wed 9/305:28 pm -
1 stop14h 07m
Deal found 8/14![Frontier logo]()
$195
This Super.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:10 pm -
1 stop5h 33m
Thu 10/18:56 pm -
1 stop20h 21m
Deal found 8/12![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:10 pm -
1 stop13h 50m
Sat 10/39:15 am -
1 stop8h 02m
Deal found 8/15![Frontier logo]()
$199
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 16, 2026.
Search for one-way flight options from Illinois to Mesa. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 pm -
1 stop13h 50m
Deal found 8/14![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm -
1 stop22h 52m
Deal found 8/11![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:10 pm -
1 stop13h 50m
Deal found 8/15![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:10 pm -
1 stop5h 33m
Deal found 8/13![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:17 pm -
1 stop8h 46m
Deal found 8/13![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:19 pm -
1 stop9h 29m
Deal found 8/16![Frontier logo]()
$95
This Priceline deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:53 pm -
1 stop7h 06m
Deal found 8/13![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:20 pm -
Nonstop4h 07m
Deal found 8/14![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:25 am -
2 stops29h 24m
Deal found 8/12![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:41 pm -
2 stops19h 17m
Deal found 8/12![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:25 am -
2 stops17h 25m
Deal found 8/12![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:28 pm -
2 stops26h 23m
Deal found 8/15![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 16, 2026.
Round-trip from | $161 (Kiwi.com) |
|---|---|
One-way from | $70 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $282 |
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 16, 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
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Wed 9/30
8:10 pm-8:00 am
1 stop13h 50m
Phoenix Sky Harbor Intl
Sun 10/4
12:04 pm-1:10 pm
2 stops23h 06m
$203
ChicagoPhoenix
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Wed 12/2
3:49 pm-11:42 pm
1 stop8h 53m
Phoenix Sky Harbor Intl
Fri 12/4
12:49 pm-8:25 pm
1 stop6h 36m
$252
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Mon 11/2
7:20 am-10:15 am
Nonstop3h 55m
Phoenix Sky Harbor Intl
Mon 11/9
1:35 am-5:45 am
Nonstop3h 10m
$253
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Wed 10/21
8:45 pm-10:30 pm
Nonstop3h 45m
Phoenix Sky Harbor Intl
Sat 10/24
12:35 am-5:45 am
Nonstop3h 10m
$255
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Sat 9/5
5:40 am-7:15 am
Nonstop3h 35m
Phoenix Sky Harbor Intl
Sat 9/12
3:00 pm-8:15 pm
Nonstop3h 15m
$263
ChicagoPhoenix
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Thu 12/17
6:00 am-9:02 am
Nonstop4h 02m
Phoenix Sky Harbor Intl
Sun 12/20
3:44 pm-8:24 pm
Nonstop3h 40m
$267
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Fri 9/11
8:00 am-11:50 am
1 stop5h 50m
Phoenix Sky Harbor Intl
Sat 9/12
12:35 am-5:50 am
Nonstop3h 15m
$273
St. LouisPhoenix
STL Lambert-St Louis - PHX Phoenix Sky Harbor Intl
STLPHX
Lambert-St Louis
Thu 9/17
8:45 pm-10:00 pm
Nonstop3h 15m
Phoenix Sky Harbor Intl
Sat 9/19
8:10 am-3:35 pm
1 stop5h 25m
$275
ChicagoPhoenix
ORD Chicago O'Hare Intl - PHX Phoenix Sky Harbor Intl
ORDPHX
Chicago O'Hare Intl
Tue 9/22
7:00 am-10:37 am
1 stop5h 37m
Phoenix Sky Harbor Intl
Fri 9/25
4:49 pm-10:28 pm
Nonstop3h 39m
$276
ChicagoPhoenix
MDW Chicago Midway - PHX Phoenix Sky Harbor Intl
MDWPHX
Chicago Midway
Fri 10/23
6:00 pm-9:20 pm
1 stop5h 20m
Phoenix Sky Harbor Intl
Tue 10/27
12:00 pm-5:15 pm
Nonstop3h 15m
$276
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
ORD-PHX
MDW-PHX
BMI-PHX
SPI-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
ORD-PHX
MDW-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 16, 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 16, 2026.
The most flights from USIL to MS9 are scheduled on a Saturday (58 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (48 on average).
How much does it cost to fly round-trip from Illinois to Mesa?
Airfare is below average for this route at the moment.
Illinois to Mesa flights typically cost between $253 and $439 in September.The cheapest round-trip price found within the last 5 days was $245 on Delta (Sep 5-Sep 11).
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 8, 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.
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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 16, 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 16, 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% |