$77+ Cheap flights from Mesa, AZ to O'Hare Intl (ORD)
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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Mar 25 — Apr 11
1 adult, Economy
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Find cheap flights from Mesa to O'Hare Intl 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.Cheapflights Tip: The best prices from Mesa to Chicago O'Hare Intl are usually found in January or February, booked 78 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Mesa to O'Hare Intl
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Best
Last-minute
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Cheapest flights from Mesa to O'Hare IntlExplore the most affordable flight options available from Mesa to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.
Explore the most affordable flight options available from Mesa to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/128:02 pm
PHX
- ORD
1 stop8h 45m
Frontier
Sat 5/168:43 am
ORD
- PHX
Nonstop4h 12m
Frontier
Deal found 2/19![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/58:02 pm
PHX
- ORD
1 stop8h 45m
Frontier
Sat 5/168:43 am
ORD
- PHX
Nonstop4h 12m
Frontier
Deal found 2/19![Frontier logo]()
$99
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 4/256:00 pm
PHX
- ORD
Nonstop3h 30m
United Airlines
Sat 5/29:10 am
ORD
- PHX
Nonstop4h 10m
United Airlines
Deal found 2/22![United Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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 4/148:07 pm
PHX
- ORD
1 stop8h 01m
Frontier
Mon 4/207:35 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 2/21![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 4/138:39 pm
PHX
- ORD
1 stop7h 41m
Frontier
Mon 4/207:35 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 2/19![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Mon 4/207:35 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 2/21![Frontier logo]()
$107
This Gotogate deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Mon 4/277:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 2/22![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/2311:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
Sun 4/267:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/20![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/118:02 pm
PHX
- ORD
1 stop7h 48m
Multiple Airlines
Sat 5/168:43 am
ORD
- PHX
Nonstop4h 12m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/128:02 pm
PHX
- ORD
1 stop8h 45m
Frontier
Sun 5/177:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/19![Frontier logo]()
$115
Best flights from Mesa to O'Hare IntlDiscover carefully curated flight deals from Mesa to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 23, 2026.
Discover carefully curated flight deals from Mesa to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 23, 2026.
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 4/187:00 am
PHX
- ORD
Nonstop3h 36m
United Airlines
Thu 4/239:30 pm
ORD
- PHX
Nonstop4h 06m
United Airlines
Deal found 2/19![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/411:55 pm
PHX
- ORD
1 stop6h 45m
Delta
Mon 5/112:11 pm
ORD
- PHX
1 stop5h 54m
Delta
Deal found 2/19![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/195:30 am
PHX
- ORD
1 stop6h 25m
Southwest
Thu 3/263:50 pm
ORD
- PHX
2 stops8h 15m
Southwest
Deal found 2/22![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 4/216:28 pm
PHX
- ORD
1 stop16h 45m
Alaska Airlines
Wed 4/222:13 pm
ORD
- PHX
2 stops10h 30m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 4/3011:30 pm
PHX
- ORD
Nonstop3h 31m
United Airlines
Sun 5/37:20 am
ORD
- PHX
Nonstop4h 03m
United Airlines
Deal found 2/22![United Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 4/1911:59 pm
PHX
- ORD
Nonstop3h 30m
United Airlines
Thu 4/239:30 pm
ORD
- PHX
Nonstop4h 06m
United Airlines
Deal found 2/19![United Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 4/97:00 am
PHX
- ORD
Nonstop3h 36m
United Airlines
Sun 4/127:20 am
ORD
- PHX
Nonstop4h 02m
United Airlines
Deal found 2/19![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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 3/191:35 pm
PHX
- ORD
Nonstop3h 25m
Southwest
Mon 3/233:05 pm
ORD
- PHX
Nonstop4h 00m
Southwest
Deal found 2/21![Southwest logo]()
$275
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/77:05 am
PHX
- ORD
2 stops9h 30m
Southwest
Thu 5/143:45 pm
ORD
- PHX
1 stop7h 15m
Southwest
Deal found 2/19![Southwest logo]()
$285
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 5/1611:30 pm
PHX
- ORD
Nonstop3h 31m
United Airlines
Sat 8/159:28 pm
ORD
- PHX
Nonstop3h 47m
United Airlines
Deal found 2/19![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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 5/305:49 pm
PHX
- ORD
Nonstop3h 42m
United Airlines
Sun 6/79:28 pm
ORD
- PHX
Nonstop3h 54m
United Airlines
Deal found 2/21![United Airlines logo]()
$297
Last-minute flights from Mesa to O'Hare IntlDiscover last-minute flight deals from Mesa to O'Hare Intl. Data last updated February 23, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to O'Hare Intl. Data last updated February 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:36 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Tue 3/107:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/20![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
Thu 3/510:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Tue 3/107:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/19![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 3/711:24 am
PHX
- ORD
Nonstop3h 37m
Frontier
Tue 3/107:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/19![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
Wed 3/1111:24 am
PHX
- ORD
Nonstop3h 37m
Frontier
Mon 3/167:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/19![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
Wed 3/1810:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
Wed 3/257:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/20![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2111:15 am
PHX
- ORD
Nonstop3h 37m
Frontier
Tue 3/247:31 pm
ORD
- PHX
1 stop22h 37m
Frontier
Deal found 2/20![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 3/2310:00 am
PHX
- ORD
Nonstop3h 35m
Frontier
Tue 3/318:55 pm
ORD
- PHX
1 stop19h 38m
Frontier
Deal found 2/20![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 3/2310:00 am
PHX
- ORD
Nonstop3h 35m
Multiple Airlines
Tue 3/319:45 am
ORD
- PHX
2 stops14h 01m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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 3/253:11 pm
PHX
- ORD
1 stop16h 32m
Frontier
Mon 3/308:55 pm
ORD
- PHX
1 stop20h 23m
Frontier
Deal found 2/21![Frontier logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:17 pm
PHX
- ORD
1 stop14h 32m
Frontier
Mon 4/67:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 2/19![Frontier logo]()
$140
One-way flights from Mesa to O'Hare IntlSearch for one-way flight options from Mesa to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated February 23, 2026.
Search for one-way flight options from Mesa to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated February 23, 2026.
This Trip.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
Mon 4/275:08 pm
PHX
- ORD
1 stop11h 00m
Frontier
Deal found 2/20![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/185:17 pm
PHX
- ORD
1 stop10h 33m
Frontier
Deal found 2/20![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 3/253:11 pm
PHX
- ORD
1 stop16h 32m
Frontier
Deal found 2/20![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/236:40 am
PHX
- ORD
1 stop21h 28m
Frontier
Deal found 2/22![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/205:08 pm
PHX
- ORD
1 stop10h 42m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 3/174:27 pm
PHX
- ORD
1 stop11h 41m
Frontier
Deal found 2/19![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 5/208:02 pm
PHX
- ORD
1 stop7h 48m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/149:24 pm
PHX
- ORD
1 stop10h 19m
Frontier
Deal found 2/22![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 4/2912:50 pm
PHX
- ORD
2 stops21h 23m
Frontier
Deal found 2/23![Frontier logo]()
$86
This WAYA deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:27 pm
PHX
- ORD
1 stop7h 41m
Frontier
Deal found 2/20![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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 3/711:24 am
PHX
- ORD
Nonstop3h 37m
Frontier
Deal found 2/19![Frontier logo]()
$88
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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 4/256:00 pm
PHX
- ORD
Nonstop3h 30m
United Airlines
Deal found 2/20![United Airlines logo]()
$89
Find flight deals from Mesa to O'Hare Intl
Keep the following information in mind while searching for Mesa to O'Hare Intl flight deals. Data was last updated February 23, 2026.
Round-trip from | $98 (Kiwi.com) |
|---|---|
One-way from | $77 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $230 |
Cheapflights Fare Finder
Customize your flight search to find flights from Mesa to O'Hare Intl 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 February 23, 2026.
Use the filters below to find and compare flights from Mesa to Chicago O'Hare Intl Airport that are best for you.
Fly from
Mesa
Fly to
O'Hare Intl
Route
Depart
Return
Price
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 4/18
7:00 am-12:36 pm
Nonstop3h 36m
Chicago O'Hare Intl
Thu 4/23
9:30 pm-11:36 pm
Nonstop4h 06m
$197
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 4/30
11:30 pm-5:01 am
Nonstop3h 31m
Chicago O'Hare Intl
Sun 5/3
7:20 am-9:23 am
Nonstop4h 03m
$217
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sun 4/19
11:59 pm-5:29 am
Nonstop3h 30m
Chicago O'Hare Intl
Thu 4/23
9:30 pm-11:36 pm
Nonstop4h 06m
$217
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 4/9
7:00 am-12:36 pm
Nonstop3h 36m
Chicago O'Hare Intl
Sun 4/12
7:20 am-9:22 am
Nonstop4h 02m
$217
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 5/4
11:55 pm-8:40 am
1 stop6h 45m
Chicago O'Hare Intl
Mon 5/11
2:11 pm-6:05 pm
1 stop5h 54m
$237
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 5/16
11:30 pm-5:01 am
Nonstop3h 31m
Chicago O'Hare Intl
Sat 8/15
9:28 pm-11:15 pm
Nonstop3h 47m
$237
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 3/19
5:30 am-1:55 pm
1 stop6h 25m
Chicago O'Hare Intl
Thu 3/26
3:50 pm-10:05 pm
2 stops8h 15m
$272
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 3/19
1:35 pm-7:00 pm
Nonstop3h 25m
Chicago O'Hare Intl
Mon 3/23
3:05 pm-5:05 pm
Nonstop4h 00m
$275
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 4/21
6:28 pm-1:13 pm
1 stop16h 45m
Chicago O'Hare Intl
Wed 4/22
2:13 pm-10:43 pm
2 stops10h 30m
$280
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 5/7
7:05 am-6:35 pm
2 stops9h 30m
Chicago O'Hare Intl
Thu 5/14
3:45 pm-9:00 pm
1 stop7h 15m
$285
Showing 1-10 of 22 results
Best time to book a flight from Mesa to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Mesa with our price prediction graph.
PHX-ORD
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 Chicago O'Hare Intl Airport
MS9-ORD
PHX-ORD
How far ahead should I book a flight from Mesa to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Mesa to O'Hare Intl. Price data was last updated on February 20, 2026.
The price you pay for your flight from Mesa to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Mesa to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $61). Flying from Mesa to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $194). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MS9 to ORD?
Find hourly flight availability from Mesa to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 23, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 43% on flights from Mesa to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Mesa to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Mesa to O'Hare Intl. Price data was last updated on February 17, 2026.
Travelers seeking maximum savings on their Mesa to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Mesa to Chicago O'Hare Intl Airport
Explore weekly flight availability from Mesa to O'Hare Intl. 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 February 23, 2026.
The most flights from MS9 to ORD are scheduled on a Friday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (36 on average).
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated February 23, 2026.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Mesa to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Mesa to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
Rosemont
Gurnee
Naperville
Hoffman Estates
Beloit
Delavan
Des Plaines
Elgin
Downers Grove
Elk Grove Village
Skokie
Oak Brook
South Holland
Libertyville
Oakbrook Terrace
Lake Geneva
Waukegan
Bridgeview
Kenosha
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 23, 2026.
Mesa and O'Hare Intl flights
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Mesa to O'Hare Intl flights
Consider these flights traveling from Mesa to O'Hare Intl.
Top 6 airlines flying from Mesa to O'Hare Intl
Discover the top 6 airlines that operate flights from Mesa to O'Hare Intl. 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 February 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$199 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$79 | Average$166 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$118 | Average$322 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$317 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$303 | FlexibilityNo cancel fee | On-time71% |