$116+ Cheap flights from Mesa, AZ to Illinois
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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Mesa to Illinois with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Mesa to IllinoisExplore the most affordable flight options available from Mesa to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Mesa to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:32 pm -
Nonstop3h 27m
Thu 10/158:01 pm -
1 stop22h 16m
Deal found 9/13![Frontier logo]()
$205
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:45 pm -
1 stop5h 55m
Mon 10/267:15 pm -
Nonstop3h 45m
Deal found 9/16![Southwest logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:04 pm -
1 stop7h 35m
Tue 10/66:30 am -
2 stops10h 53m
Deal found 9/17![Frontier logo]()
$242
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:45 pm -
1 stop5h 55m
Tue 10/276:55 am -
Nonstop3h 50m
Deal found 9/16![Southwest logo]()
$242
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:32 pm -
Nonstop3h 27m
Sun 11/16:30 am -
1 stop27h 34m
Deal found 9/16![Frontier logo]()
$243
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:32 pm -
Nonstop3h 27m
Sun 10/254:20 pm -
Nonstop4h 07m
Deal found 9/12![Frontier logo]()
$244
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 11/181:35 am -
Nonstop3h 10m
Tue 12/16:05 am -
1 stop6h 10m
Deal found 9/14![Southwest logo]()
$244
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:45 pm -
1 stop9h 14m
Mon 11/22:15 pm -
1 stop10h 12m
Deal found 9/14![Alaska Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 9/15. 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.
Thu 10/157:55 pm -
Nonstop3h 20m
Thu 10/226:00 pm -
1 stop5h 20m
Deal found 9/15![Southwest logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:32 pm -
Nonstop3h 27m
Sun 10/186:30 am -
1 stop27h 40m
Deal found 9/13![Frontier logo]()
$246
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 10/96:55 pm -
Nonstop3h 20m
Wed 10/146:05 am -
1 stop6h 10m
Deal found 9/14![Southwest logo]()
$246
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:49 pm -
Nonstop3h 39m
Wed 10/145:00 am -
1 stop6h 07m
Deal found 9/16![United Airlines logo]()
$247
Best flights from Mesa to IllinoisDiscover carefully curated flight deals from Mesa to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Mesa to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/15. 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 10/166:55 pm -
Nonstop3h 20m
Wed 10/214:45 pm -
1 stop5h 40m
Deal found 9/15![Southwest logo]()
$246
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:59 am -
1 stop7h 26m
Wed 1/133:00 pm -
1 stop10h 06m
Deal found 9/16![Delta logo]()
$256
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:00 am -
1 stop5h 21m
Wed 5/59:25 am -
Nonstop4h 06m
Deal found 9/16![United Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:21 pm -
1 stop23h 41m
Sun 11/158:37 pm -
1 stop17h 53m
Deal found 9/17![Multiple Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:42 pm -
1 stop19h 43m
Wed 10/77:20 am -
1 stop9h 40m
Deal found 9/17![Alaska Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:18 pm -
1 stop5h 41m
Mon 11/95:00 am -
1 stop5h 45m
Deal found 9/14![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:35 am -
Nonstop3h 10m
Sat 12/56:25 pm -
Nonstop3h 55m
Deal found 9/16![Southwest logo]()
$266
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:22 pm -
Nonstop3h 38m
Sun 11/2211:08 am -
Nonstop4h 06m
Deal found 9/17![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:35 am -
Nonstop3h 10m
Tue 12/18:50 pm -
Nonstop3h 50m
Deal found 9/17![Southwest logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am -
1 stop10h 32m
Sun 11/158:37 pm -
1 stop17h 53m
Deal found 9/15![Multiple Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/297:55 am -
Nonstop3h 34m
Sun 11/19:15 am -
Nonstop4h 09m
Deal found 9/15![United Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 11/412:00 pm -
1 stop4h 25m
Sat 11/72:55 pm -
Nonstop3h 20m
Deal found 9/15![Southwest logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:25 pm -
1 stop16h 00m
Sun 10/256:00 am -
1 stop8h 45m
Deal found 9/15![Alaska Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/149:20 pm -
1 stop20h 53m
Sun 10/189:33 pm -
1 stop23h 00m
Deal found 9/14![Multiple Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:25 pm -
Nonstop3h 20m
Sun 11/19:45 pm -
Nonstop3h 50m
Deal found 9/16![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:00 am -
1 stop6h 05m
Mon 2/83:00 pm -
1 stop7h 14m
Deal found 9/16![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/12. 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 12/257:15 am -
1 stop7h 25m
Mon 1/44:00 pm -
1 stop9h 06m
Deal found 9/12![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:36 am -
1 stop8h 15m
Sat 10/1011:21 am -
1 stop7h 54m
Deal found 9/12![American Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2010:45 am -
1 stop4h 50m
Wed 2/38:25 am -
1 stop6h 55m
Deal found 9/16![Southwest logo]()
$295
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/35:08 am -
1 stop5h 41m
Sat 10/102:30 pm -
1 stop6h 44m
Deal found 9/16![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/199:00 am -
Nonstop3h 44m
Mon 10/262:00 pm -
1 stop8h 25m
Deal found 9/15![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 am -
1 stop7h 43m
Sat 10/244:42 pm -
1 stop7h 27m
Deal found 9/17![American Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:45 pm -
1 stop5h 55m
Mon 10/266:05 am -
1 stop5h 35m
Deal found 9/16![Southwest logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:16 am -
1 stop9h 14m
Sun 10/258:53 pm -
1 stop17h 24m
Deal found 9/16![Multiple Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 2/2812:55 am -
1 stop9h 22m
Fri 4/164:00 pm -
1 stop9h 06m
Deal found 9/12![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/3011:20 am -
Nonstop3h 40m
Mon 11/212:55 pm -
Nonstop4h 02m
Deal found 9/15![United Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/49:59 pm -
2 stops21h 03m
Sun 11/88:37 pm -
1 stop17h 53m
Deal found 9/14![Multiple Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/311:05 am -
1 stop4h 25m
Mon 2/88:50 pm -
Nonstop3h 25m
Deal found 9/16![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/310:20 am -
Nonstop3h 40m
Mon 12/74:10 pm -
Nonstop4h 05m
Deal found 9/13![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/204:51 pm -
1 stop6h 16m
Fri 11/272:44 pm -
1 stop6h 24m
Deal found 9/15![American Airlines logo]()
$449
Last-minute flights from Mesa to IllinoisDiscover last-minute flight deals from Mesa to Illinois. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to Illinois. Data last updated September 17, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 10/96:55 pm -
Nonstop3h 20m
Wed 10/146:05 am -
1 stop6h 10m
Deal found 9/14![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 10/136:35 pm -
Nonstop3h 20m
Tue 10/208:45 pm -
Nonstop3h 50m
Deal found 9/14![Southwest logo]()
$254
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/138:35 am -
Nonstop3h 02m
Tue 10/278:03 am -
Nonstop3h 35m
Deal found 9/16![American Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 9/15. 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.
Thu 10/157:55 pm -
Nonstop3h 20m
Thu 10/226:00 pm -
1 stop5h 20m
Deal found 9/15![Southwest logo]()
$245
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:23 pm -
2 stops23h 17m
Mon 10/196:35 pm -
2 stops21h 07m
Deal found 9/16![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:01 am -
1 stop7h 34m
Mon 10/191:12 pm -
1 stop11h 47m
Deal found 9/15![Frontier logo]()
$248
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:45 pm -
1 stop5h 55m
Mon 10/267:15 pm -
Nonstop3h 45m
Deal found 9/16![Southwest logo]()
$241
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 10/208:20 am -
1 stop5h 40m
Thu 10/2210:55 pm -
Nonstop3h 50m
Deal found 9/14![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:45 pm -
1 stop5h 55m
Sat 10/243:00 pm -
1 stop5h 35m
Deal found 9/16![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:45 pm -
1 stop5h 55m
Tue 10/276:55 am -
Nonstop3h 50m
Deal found 9/16![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:55 pm -
Nonstop3h 20m
Fri 10/3011:20 am -
Nonstop3h 45m
Deal found 9/17![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:32 pm -
1 stop8h 31m
Mon 11/21:27 pm -
1 stop7h 51m
Deal found 9/15![Delta logo]()
$255
One-way flights from Mesa to IllinoisSearch for one-way flight options from Mesa to Illinois. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Mesa to Illinois. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/179:59 pm -
2 stops18h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/216:15 am -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:21 pm -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:01 am -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:15 am -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/612:25 pm -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:27 am -
1 stop25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$124
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:21 am -
2 stops20h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$127
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 12/2111:33 am -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$128
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:50 am -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:59 pm -
1 stop25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/182:45 pm -
2 stops17h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$130
Find flight deals from Mesa to Illinois
Keep the following information in mind while searching for Mesa to Illinois flight deals. Data was last updated September 17, 2026.
Round-trip from | $205 (Cheapflightsfares) |
|---|---|
One-way from | $116 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $320 |
Cheapflights Fare Finder
Customize your flight search to find flights from Mesa to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Mesa to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixChicago
PHX Phoenix Sky Harbor Intl - ORD Chicago O'Hare Intl
PHXORD
Phoenix Sky Harbor Intl
Mon 11/16
11:35 pm-9:22 am
1 stop8h 47m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
PhoenixChicago
PHX Phoenix Sky Harbor Intl - MDW Chicago Midway
PHXMDW
Phoenix Sky Harbor Intl
Mon 10/19
6:55 pm-12:15 am
Nonstop3h 20m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
PhoenixChicago
PHX Phoenix Sky Harbor Intl - MDW Chicago Midway
PHXMDW
Phoenix Sky Harbor Intl
Fri 1/15
5:25 pm-9:40 pm
Nonstop3h 15m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
PhoenixChicago
PHX Phoenix Sky Harbor Intl - MDW Chicago Midway
PHXMDW
Phoenix Sky Harbor Intl
Mon 10/5
12:35 am-5:45 am
Nonstop3h 10m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
PhoenixChicago
PHX Phoenix Sky Harbor Intl - MDW Chicago Midway
PHXMDW
Phoenix Sky Harbor Intl
Thu 10/29
3:45 pm-9:00 pm
Nonstop3h 15m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
PhoenixChicago
PHX Phoenix Sky Harbor Intl - MDW Chicago Midway
PHXMDW
Phoenix Sky Harbor Intl
Mon 10/5
6:55 pm-12:15 am
Nonstop3h 20m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
PhoenixChicago
PHX Phoenix Sky Harbor Intl - MDW Chicago Midway
PHXMDW
Phoenix Sky Harbor Intl
Fri 10/30
4:55 pm-12:50 am
1 stop5h 55m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
Quickest round-trip
PhoenixSt. Louis
PHX Phoenix Sky Harbor Intl - STL Lambert-St Louis
PHXSTL
Phoenix Sky Harbor Intl
Tue 11/24
9:00 pm-12:55 am
Nonstop2h 55m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
PhoenixSt. Louis
PHX Phoenix Sky Harbor Intl - STL Lambert-St Louis
PHXSTL
Phoenix Sky Harbor Intl
Sat 10/10
6:45 pm-11:40 pm
Nonstop2h 55m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
PhoenixChicago
PHX Phoenix Sky Harbor Intl - ORD Chicago O'Hare Intl
PHXORD
Phoenix Sky Harbor Intl
Fri 1/15
2:20 pm-9:53 pm
1 stop6h 33m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$143
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Mesa to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Mesa with our price prediction graph.
PHX-STL
PHX-ORD
PHX-MDW
PHX-RFD
PHX-MLI
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 Mesa to Illinois
MS9-USIL
PHX-STL
PHX-ORD
PHX-MDW
PHX-RFD
What is the cheapest time of day to fly from MS9 to IL?
Find hourly flight availability from Mesa to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
It’s typically best to fly out from Mesa to Illinois in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Mesa to Illinois
Explore weekly flight availability from Mesa to Illinois. 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 September 17, 2026.
The most flights from MS9 to USIL are scheduled on a Wednesday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (41 on average).
How much does it cost to fly round-trip from Mesa to Illinois?
Airfare is below average for this route at the moment.
Mesa to Illinois flights typically cost between $264 and $377 in October.The cheapest round-trip price found within the last 5 days was $205 on Frontier (Oct 9-Oct 15).
What is the cheapest day to fly from Mesa to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Mesa to Illinois. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Mesa to Illinois flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated September 17, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Mesa to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Mesa to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Mesa to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Mesa to Illinois by cabin class
Find flights from Mesa to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Mesa and Illinois flights
Browse other Mesa and Illinois flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Mesa after your stay in Illinois
Mesa to Illinois flights
Consider these flights traveling from Mesa to Illinois.
Top 7 airlines flying from Mesa to Illinois
Discover the top 7 airlines that operate flights from Mesa to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$293 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$206 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$173 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$350 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$193 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$434 | FlexibilityNo cancel fee | On-time71% |