$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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Mar 15 — Mar 221
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 39 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 13, 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 13, 2026.
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
Mon 4/207:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/12![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 2/12. 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 Frontier 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
Mon 4/277:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/12![Frontier logo]()
$84
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Mon 3/236:26 pm
PHX
- ORD
Nonstop3h 33m
Frontier
Tue 3/317:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/10![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 2/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:05 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Mon 4/277:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/11![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/1711:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
Mon 4/207:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/10![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/241:26 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Wed 2/258:10 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/10![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/2311:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
Sun 4/267:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/10![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 4/2311:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
Sat 4/257:30 am
ORD
- PHX
1 stop9h 22m
Frontier
Deal found 2/11![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/148:02 pm
PHX
- ORD
1 stop8h 45m
Frontier
Mon 4/207:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/12![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sat 4/1812:05 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Fri 4/247:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 2/11![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 stop7h 48m
Multiple Airlines
Sat 5/168:43 am
ORD
- PHX
Nonstop4h 12m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/288:02 pm
PHX
- ORD
1 stop7h 48m
Multiple Airlines
Mon 5/47:43 am
ORD
- PHX
Nonstop4h 19m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$105
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 13, 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 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:30 pm
PHX
- ORD
Nonstop3h 31m
United Airlines
Tue 5/57:20 am
ORD
- PHX
Nonstop4h 03m
United Airlines
Deal found 2/9![United Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:51 am
PHX
- ORD
1 stop12h 05m
Alaska Airlines
Mon 3/93:07 pm
ORD
- PHX
1 stop9h 35m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 5/16:30 pm
PHX
- ORD
Nonstop3h 25m
Southwest
Mon 5/47:20 pm
ORD
- PHX
Nonstop3h 55m
Southwest
Deal found 2/11![Southwest logo]()
$217
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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.
Mon 3/2312:09 am
PHX
- ORD
1 stop21h 29m
Frontier
Thu 4/27:45 pm
ORD
- PHX
1 stop22h 51m
Frontier
Deal found 2/12![Frontier logo]()
$219
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/1611:55 pm
PHX
- ORD
1 stop6h 42m
Delta
Sun 4/192:09 pm
ORD
- PHX
1 stop6h 13m
Delta
Deal found 2/10![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:20 am
PHX
- ORD
1 stop14h 39m
Alaska Airlines
Thu 3/53:07 pm
ORD
- PHX
1 stop9h 35m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$220
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 4/86:00 pm
PHX
- ORD
Nonstop3h 30m
United Airlines
Wed 4/152:35 pm
ORD
- PHX
1 stop6h 10m
United Airlines
Deal found 2/12![United Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 2/12. 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 3/1310:30 pm
PHX
- ORD
1 stop8h 00m
Delta
Tue 3/171:57 pm
ORD
- PHX
1 stop6h 21m
Delta
Deal found 2/12![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:55 pm
PHX
- ORD
1 stop7h 50m
Southwest
Wed 3/183:45 pm
ORD
- PHX
1 stop8h 45m
Southwest
Deal found 2/9![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 3/1711:59 pm
PHX
- ORD
1 stop6h 41m
Delta
Mon 3/237:10 pm
ORD
- PHX
1 stop6h 29m
Delta
Deal found 2/12![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:55 pm
PHX
- ORD
Nonstop3h 25m
Southwest
Sat 5/304:15 pm
ORD
- PHX
Nonstop4h 00m
Southwest
Deal found 2/9![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/12. 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 4/211:59 pm
PHX
- ORD
Nonstop3h 30m
United Airlines
Sun 4/57:20 am
ORD
- PHX
Nonstop4h 02m
United Airlines
Deal found 2/12![United Airlines logo]()
$237
Last-minute flights from Mesa to O'Hare IntlDiscover last-minute flight deals from Mesa to O'Hare Intl. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to O'Hare Intl. Data last updated February 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:51 pm
PHX
- ORD
1 stop27h 23m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 2/9![Frontier logo]()
$180
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/1910:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 2/10![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/1910:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Sat 2/217:55 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/10![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/1910:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Tue 2/248:30 am
ORD
- PHX
1 stop14h 42m
Frontier
Deal found 2/10![Frontier logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/1910:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Sun 2/2212:56 pm
ORD
- PHX
Nonstop4h 13m
Frontier
Deal found 2/10![Frontier logo]()
$192
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/203:42 pm
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 2/10![Frontier logo]()
$162
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:42 pm
PHX
- ORD
Nonstop3h 35m
Frontier
Sat 2/217:55 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 2/10![Frontier logo]()
$175
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:42 pm
PHX
- ORD
Nonstop3h 35m
Frontier
Fri 2/276:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 2/11![Frontier logo]()
$197
This Super.com deal was found by Cheapflights users on 2/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:21 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 2/11![Frontier logo]()
$174
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 13, 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 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/258:06 am
PHX
- ORD
1 stop10h 19m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$77
This WAYA deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Mon 3/238:27 pm
PHX
- ORD
1 stop7h 41m
Frontier
Deal found 2/10![Frontier logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/1910:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
Deal found 2/10![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Sat 3/710:24 pm
PHX
- ORD
1 stop9h 19m
Frontier
Deal found 2/10![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 3/186:50 am
PHX
- ORD
1 stop24h 53m
Frontier
Deal found 2/12![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Tue 3/1010:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
Deal found 2/10![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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.
Tue 3/31:36 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Deal found 2/12![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/611:24 am
PHX
- ORD
Nonstop3h 37m
Frontier
Deal found 2/10![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:24 pm
PHX
- ORD
1 stop10h 26m
Frontier
Deal found 2/10![Frontier logo]()
$88
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 4/182:28 pm
PHX
- ORD
Nonstop3h 33m
United Airlines
Deal found 2/11![United Airlines logo]()
$89
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Tue 3/1710:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
Deal found 2/10![Frontier logo]()
$90
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 13, 2026.
Round-trip from | $82 (Trip.com) |
|---|---|
One-way from | $77 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $217 |
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 13, 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 5/2
11:30 pm-5:01 am
Nonstop3h 31m
Chicago O'Hare Intl
Tue 5/5
7:20 am-9:23 am
Nonstop4h 03m
$197
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 3/6
10:51 am-11:56 pm
1 stop12h 05m
Chicago O'Hare Intl
Mon 3/9
3:07 pm-10:42 pm
1 stop9h 35m
$217
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 5/1
6:30 pm-11:55 pm
Nonstop3h 25m
Chicago O'Hare Intl
Mon 5/4
7:20 pm-9:15 pm
Nonstop3h 55m
$217
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 3/23
12:09 am-11:38 pm
1 stop21h 29m
Chicago O'Hare Intl
Thu 4/2
7:45 pm-4:36 pm
1 stop22h 51m
$219
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 3/4
8:20 am-11:59 pm
1 stop14h 39m
Chicago O'Hare Intl
Thu 3/5
3:07 pm-11:42 pm
1 stop9h 35m
$220
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 4/8
6:00 pm-11:30 pm
Nonstop3h 30m
Chicago O'Hare Intl
Wed 4/15
2:35 pm-6:45 pm
1 stop6h 10m
$223
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 4/16
11:55 pm-8:37 am
1 stop6h 42m
Chicago O'Hare Intl
Sun 4/19
2:09 pm-6:22 pm
1 stop6h 13m
$227
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 3/13
10:30 pm-8:30 am
1 stop8h 00m
Chicago O'Hare Intl
Tue 3/17
1:57 pm-6:18 pm
1 stop6h 21m
$237
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 3/11
11:55 pm-9:45 am
1 stop7h 50m
Chicago O'Hare Intl
Wed 3/18
3:45 pm-10:30 pm
1 stop8h 45m
$237
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 3/17
11:59 pm-8:40 am
1 stop6h 41m
Chicago O'Hare Intl
Mon 3/23
7:10 pm-11:39 pm
1 stop6h 29m
$237
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 6, 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 39 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 $58). Flying from Mesa to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $193). 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 13, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 46% 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 7, 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 13, 2026.
The most flights from MS9 to ORD are scheduled on a Thursday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 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 13, 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.
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
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
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora
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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 13, 2026.
Mesa and O'Hare Intl flights
Browse other Mesa and O'Hare Intl flight options. Last updated on February 13, 2026.
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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 13, 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$291 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$305 | FlexibilityNo cancel fee | On-time71% |