$92+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
May 17 — May 241
Round-trip
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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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 April 17, 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 April 17, 2026.
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:15 am
PHX
- ORD
1 stop8h 47m
Frontier
Mon 5/47:21 pm
ORD
- PHX
1 stop7h 17m
Frontier
Deal found 4/13![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:54 pm
PHX
- ORD
1 stop9h 45m
Frontier
Wed 5/69:37 pm
ORD
- PHX
1 stop12h 07m
Frontier
Deal found 4/13![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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.
Mon 4/2010:29 pm
PHX
- ORD
1 stop9h 11m
Frontier
Mon 4/277:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/13![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 4/12. 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 5/16:00 am
PHX
- ORD
1 stop21h 50m
Frontier
Sun 5/37:45 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/12![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Tue 5/124:05 pm
ORD
- PHX
1 stop23h 04m
Frontier
Deal found 4/14![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:15 am
PHX
- ORD
1 stop8h 47m
Frontier
Tue 5/51:59 pm
ORD
- PHX
1 stop10h 27m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Tue 5/58:56 pm
ORD
- PHX
1 stop28h 46m
Frontier
Deal found 4/13![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 4/12. 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 5/16:00 am
PHX
- ORD
1 stop21h 50m
Frontier
Sat 5/28:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/12![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 4/1711:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Sun 4/197:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/13![Frontier logo]()
$165
This Frontier deal was found by Cheapflights users on 4/16. 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.
Sat 4/1812:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sun 4/197:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/16![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:40 pm
PHX
- ORD
1 stop8h 59m
Frontier
Tue 5/199:37 pm
ORD
- PHX
1 stop19h 46m
Frontier
Deal found 4/15![Frontier logo]()
$167
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/15. 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.
Wed 6/1012:15 pm
PHX
- ORD
1 stop9h 03m
Delta
Sat 6/137:45 am
ORD
- PHX
1 stop6h 19m
Delta
Deal found 4/15![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Sat 7/187:10 am
PHX
- ORD
Nonstop3h 38m
United Airlines
Tue 7/215:00 am
ORD
- PHX
1 stop6h 00m
United Airlines
Deal found 4/12![United Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:30 pm
PHX
- ORD
Nonstop3h 25m
Southwest
Tue 5/197:15 pm
ORD
- PHX
Nonstop3h 55m
Southwest
Deal found 4/13![Southwest logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:05 pm
PHX
- ORD
1 stop8h 31m
Alaska Airlines
Tue 6/306:20 am
ORD
- PHX
1 stop8h 03m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:23 pm
PHX
- ORD
1 stop6h 27m
Delta
Sun 5/316:24 am
ORD
- PHX
1 stop8h 10m
Delta
Deal found 4/16![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 7/46:00 am
PHX
- ORD
1 stop5h 52m
Delta
Fri 7/103:22 pm
ORD
- PHX
1 stop9h 17m
Delta
Deal found 4/15![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 7/146:39 am
PHX
- ORD
1 stop8h 20m
Delta
Tue 7/218:27 am
ORD
- PHX
1 stop6h 10m
Delta
Deal found 4/16![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 6/105:49 pm
PHX
- ORD
Nonstop3h 42m
United Airlines
Tue 6/165:00 am
ORD
- PHX
1 stop6h 00m
United Airlines
Deal found 4/15![United Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 7/811:50 pm
PHX
- ORD
Nonstop3h 27m
United Airlines
Wed 7/155:00 am
ORD
- PHX
1 stop6h 00m
United Airlines
Deal found 4/17![United Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 4/15. 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 5/286:30 am
PHX
- ORD
1 stop7h 00m
Southwest
Mon 6/11:35 pm
ORD
- PHX
2 stops11h 25m
Southwest
Deal found 4/15![Southwest logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 5/1311:30 pm
PHX
- ORD
Nonstop3h 31m
United Airlines
Thu 5/149:45 pm
ORD
- PHX
Nonstop4h 08m
United Airlines
Deal found 4/15![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:57 pm
PHX
- ORD
1 stop7h 08m
Delta
Sat 6/277:35 am
ORD
- PHX
1 stop9h 48m
Delta
Deal found 4/13![Delta logo]()
$275
Last-minute flights from Mesa to O'Hare IntlDiscover last-minute flight deals from Mesa to O'Hare Intl. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to O'Hare Intl. Data last updated April 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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.
Wed 4/2212:15 am
PHX
- ORD
1 stop19h 15m
Frontier
Mon 4/277:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/13![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:50 pm
PHX
- ORD
1 stop10h 02m
Frontier
Sat 4/258:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/15![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Wed 4/298:58 pm
ORD
- PHX
1 stop12h 32m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:00 pm
PHX
- ORD
1 stop9h 52m
Frontier
Sat 4/258:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/15![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Mon 4/277:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/14![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Tue 4/288:58 pm
ORD
- PHX
1 stop17h 57m
Frontier
Deal found 4/13![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sun 5/39:10 pm
ORD
- PHX
2 stops17h 14m
Frontier
Deal found 4/12![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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.
Sat 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sun 4/265:50 am
ORD
- PHX
1 stop11h 35m
Frontier
Deal found 4/13![Frontier logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sat 5/99:37 pm
ORD
- PHX
1 stop12h 07m
Frontier
Deal found 4/16![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Fri 5/81:59 pm
ORD
- PHX
1 stop8h 34m
Frontier
Deal found 4/15![Frontier logo]()
$178
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 April 17, 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 April 17, 2026.
This Super.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Deal found 4/13![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Deal found 4/13![Frontier logo]()
$93
This Delta deal was found by Cheapflights users on 4/16. 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 5/712:59 am
PHX
- ORD
1 stop5h 37m
Delta
Deal found 4/16![Delta logo]()
$94
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Deal found 4/14![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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.
Sat 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Deal found 4/13![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:29 pm
PHX
- ORD
1 stop9h 33m
Frontier
Deal found 4/13![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:15 am
PHX
- ORD
1 stop8h 47m
Frontier
Deal found 4/14![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:40 pm
PHX
- ORD
1 stop8h 59m
Frontier
Deal found 4/14![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:40 pm
PHX
- ORD
1 stop8h 19m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/209:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Deal found 4/14![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:40 pm
PHX
- ORD
1 stop8h 59m
Frontier
Deal found 4/14![Frontier logo]()
$104
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 April 17, 2026.
Round-trip from | $155 (Frontier) |
|---|---|
One-way from | $92 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $281 |
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 April 17, 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
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 6/10
12:15 pm-11:18 pm
1 stop9h 03m
Chicago O'Hare Intl
Sat 6/13
7:45 am-12:04 pm
1 stop6h 19m
$187
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 5/29
1:23 pm-9:50 pm
1 stop6h 27m
Chicago O'Hare Intl
Sun 5/31
6:24 am-12:34 pm
1 stop8h 10m
$187
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 7/4
6:00 am-1:52 pm
1 stop5h 52m
Chicago O'Hare Intl
Fri 7/10
3:22 pm-10:39 pm
1 stop9h 17m
$187
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 7/14
6:39 am-4:59 pm
1 stop8h 20m
Chicago O'Hare Intl
Tue 7/21
8:27 am-12:37 pm
1 stop6h 10m
$187
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 7/18
7:10 am-12:48 pm
Nonstop3h 38m
Chicago O'Hare Intl
Tue 7/21
5:00 am-9:00 am
1 stop6h 00m
$265
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 6/10
5:49 pm-11:31 pm
Nonstop3h 42m
Chicago O'Hare Intl
Tue 6/16
5:00 am-9:00 am
1 stop6h 00m
$265
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 7/8
11:50 pm-5:17 am
Nonstop3h 27m
Chicago O'Hare Intl
Wed 7/15
5:00 am-9:00 am
1 stop6h 00m
$265
Quickest round-trip
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 5/15
6:30 pm-11:55 pm
Nonstop3h 25m
Chicago O'Hare Intl
Tue 5/19
7:15 pm-9:10 pm
Nonstop3h 55m
$266
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 5/13
11:30 pm-5:01 am
Nonstop3h 31m
Chicago O'Hare Intl
Thu 5/14
9:45 pm-11:53 pm
Nonstop4h 08m
$271
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 6/17
10:57 pm-8:05 am
1 stop7h 08m
Chicago O'Hare Intl
Sat 6/27
7:35 am-3:23 pm
1 stop9h 48m
$275
Showing 1-10 of 24 resultsSorted by cheapest first
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 April 10, 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 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 April 17, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 35% 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 April 11, 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. Sunday 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 April 17, 2026.
The most flights from MS9 to ORD are scheduled on a Thursday (58 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (36 on average).
How much does it cost to fly round-trip from Mesa to Chicago O'Hare Intl Airport?
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 April 17, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andUnited 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.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 locationsRosemont
Schaumburg
Lake Geneva
Gurnee
Naperville
Delavan
Downers Grove
Oakbrook Terrace
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Benton Harbor
Elk Grove Village
Elgin
Warrenville
Bridgeview
Great Lakes
Lansing
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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 April 17, 2026.
Mesa and O'Hare Intl flights
Browse other Mesa and O'Hare Intl flight options. Last updated on April 17, 2026.
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Mesa to O'Hare Intl flights
Consider these flights traveling from Mesa to O'Hare Intl.
Top 7 airlines flying from Mesa to O'Hare Intl
Discover the top 7 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$192 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$322 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$286 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$315 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$300 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$328 | FlexibilityNo cancel fee | On-time75% |