$100+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
May 24 — May 311
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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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 April 24, 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 24, 2026.
This Frontier deal was found by Cheapflights users on 4/20. 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 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
Sun 4/267:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/20![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Tue 4/287:21 pm
ORD
- PHX
1 stop23h 59m
Frontier
Deal found 4/20![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sat 5/28:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/20![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 4/20. 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 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
Sun 5/310:50 am
ORD
- PHX
1 stop14h 57m
Frontier
Deal found 4/20![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:29 pm
PHX
- ORD
1 stop11h 04m
Frontier
Sun 5/37:45 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/21![Frontier logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sun 5/310:50 am
ORD
- PHX
1 stop22h 46m
Frontier
Deal found 4/21![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier 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
Sat 5/28:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/23![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 5/212:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Thu 5/71:59 pm
ORD
- PHX
1 stop10h 27m
Frontier
Deal found 4/21![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/109:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Wed 5/139:37 pm
ORD
- PHX
1 stop14h 28m
Frontier
Deal found 4/21![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 5/305:15 am
PHX
- ORD
1 stop13h 17m
Frontier
Tue 6/29:37 pm
ORD
- PHX
1 stop14h 28m
Frontier
Deal found 4/21![Frontier logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Fri 5/159:37 pm
ORD
- PHX
1 stop27h 52m
Frontier
Deal found 4/23![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Wed 5/206:30 am
PHX
- ORD
1 stop6h 33m
Multiple Airlines
Wed 5/279:37 pm
ORD
- PHX
1 stop14h 28m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$181
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 24, 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 24, 2026.
This Southwest deal was found by Cheapflights users on 4/19. 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.
Tue 5/196:30 pm
PHX
- ORD
Nonstop3h 25m
Southwest
Sat 5/237:00 am
ORD
- PHX
Nonstop3h 55m
Southwest
Deal found 4/19![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 8/202:35 pm
PHX
- ORD
Nonstop3h 37m
United Airlines
Sun 8/239:05 am
ORD
- PHX
Nonstop3h 56m
United Airlines
Deal found 4/21![United Airlines logo]()
$258
This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:10 pm
PHX
- ORD
Nonstop3h 22m
American Airlines
Wed 5/135:00 am
ORD
- PHX
Nonstop3h 52m
American Airlines
Deal found 4/23![American Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:00 am
PHX
- ORD
1 stop20h 00m
Alaska Airlines
Thu 7/236:20 am
ORD
- PHX
1 stop8h 03m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 5/2012:48 pm
PHX
- ORD
Nonstop3h 39m
United Airlines
Sun 6/79:28 pm
ORD
- PHX
Nonstop3h 54m
United Airlines
Deal found 4/22![United Airlines logo]()
$276
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:30 pm
PHX
- ORD
Nonstop3h 25m
Southwest
Tue 5/266:15 am
ORD
- PHX
1 stop7h 05m
Southwest
Deal found 4/20![Southwest logo]()
$306
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:28 pm
PHX
- ORD
Nonstop3h 37m
United Airlines
Tue 9/86:00 am
ORD
- PHX
1 stop6h 33m
United Airlines
Deal found 4/23![United Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 6/304:21 pm
PHX
- ORD
1 stop6h 23m
United Airlines
Tue 7/79:30 pm
ORD
- PHX
Nonstop3h 54m
United Airlines
Deal found 4/21![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 7/24:21 pm
PHX
- ORD
1 stop6h 23m
United Airlines
Sat 7/41:18 pm
ORD
- PHX
Nonstop3h 49m
United Airlines
Deal found 4/20![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 9/34:15 pm
PHX
- ORD
1 stop6h 33m
United Airlines
Tue 9/88:05 pm
ORD
- PHX
Nonstop3h 53m
United Airlines
Deal found 4/20![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:12 pm
PHX
- ORD
1 stop6h 33m
United Airlines
Tue 8/49:30 pm
ORD
- PHX
Nonstop3h 54m
United Airlines
Deal found 4/23![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:30 pm
PHX
- ORD
1 stop5h 28m
United Airlines
Wed 5/131:10 pm
ORD
- PHX
Nonstop4h 04m
United Airlines
Deal found 4/23![United Airlines logo]()
$322
Last-minute flights from Mesa to O'Hare IntlDiscover last-minute flight deals from Mesa to O'Hare Intl. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to O'Hare Intl. Data last updated April 24, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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.
Thu 4/2311:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Mon 4/277:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/19![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 4/20. 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 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
Sun 4/267:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/20![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Tue 4/287:21 pm
ORD
- PHX
1 stop23h 59m
Frontier
Deal found 4/20![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 4/2512:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Sat 5/28:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/20![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 4/20. 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 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
Sun 5/310:50 am
ORD
- PHX
1 stop14h 57m
Frontier
Deal found 4/20![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:29 pm
PHX
- ORD
1 stop11h 04m
Frontier
Sun 5/37:45 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 4/21![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier 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
Sat 5/28:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 4/23![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 5/212:17 pm
PHX
- ORD
Nonstop3h 36m
Frontier
Thu 5/71:59 pm
ORD
- PHX
1 stop10h 27m
Frontier
Deal found 4/21![Frontier logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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.
Thu 5/79:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Mon 5/119:37 pm
ORD
- PHX
1 stop14h 28m
Frontier
Deal found 4/19![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sun 5/109:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Wed 5/139:37 pm
ORD
- PHX
1 stop14h 28m
Frontier
Deal found 4/21![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Wed 5/206:30 am
PHX
- ORD
1 stop6h 33m
Multiple Airlines
Wed 5/279:37 pm
ORD
- PHX
1 stop14h 28m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 5/305:15 am
PHX
- ORD
1 stop13h 17m
Frontier
Tue 6/29:37 pm
ORD
- PHX
1 stop14h 28m
Frontier
Deal found 4/21![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 24, 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 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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.
Mon 5/45:15 am
PHX
- ORD
1 stop8h 47m
Frontier
Deal found 4/20![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Fri 5/296:51 pm
PHX
- ORD
1 stop23h 41m
Frontier
Deal found 4/21![Frontier logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 5/277:40 pm
PHX
- ORD
1 stop8h 54m
Frontier
Deal found 4/20![Frontier logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 5/69:15 am
PHX
- ORD
1 stop11h 46m
Frontier
Deal found 4/20![Frontier logo]()
$105
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:00 am
PHX
- ORD
1 stop7h 32m
Frontier
Deal found 4/21![Frontier logo]()
$107
This WAYA deal was found by Cheapflights users on 4/20. 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.
Tue 5/196:30 am
PHX
- ORD
1 stop6h 33m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$108
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:33 am
PHX
- ORD
1 stop7h 17m
Delta
Deal found 4/21![Delta logo]()
$109
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:55 pm
PHX
- ORD
1 stop7h 50m
Delta
Deal found 4/21![Delta logo]()
$110
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 24, 2026.
Round-trip from | $165 (American Airlines) |
|---|---|
One-way from | $100 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $282 |
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 24, 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
Tue 5/19
6:30 pm-11:55 pm
Nonstop3h 25m
Chicago O'Hare Intl
Sat 5/23
7:00 am-8:55 am
Nonstop3h 55m
$182
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 8/20
2:35 pm-8:12 pm
Nonstop3h 37m
Chicago O'Hare Intl
Sun 8/23
9:05 am-11:01 am
Nonstop3h 56m
$258
Quickest round-trip
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 5/11
7:10 pm-12:32 am
Nonstop3h 22m
Chicago O'Hare Intl
Wed 5/13
5:00 am-6:52 am
Nonstop3h 52m
$272
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 5/20
12:48 pm-6:27 pm
Nonstop3h 39m
Chicago O'Hare Intl
Sun 6/7
9:28 pm-11:22 pm
Nonstop3h 54m
$276
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 9/4
4:28 pm-10:05 pm
Nonstop3h 37m
Chicago O'Hare Intl
Tue 9/8
6:00 am-10:33 am
1 stop6h 33m
$281
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 6/30
4:21 pm-12:44 am
1 stop6h 23m
Chicago O'Hare Intl
Tue 7/7
9:30 pm-11:24 pm
Nonstop3h 54m
$287
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 7/2
4:21 pm-12:44 am
1 stop6h 23m
Chicago O'Hare Intl
Sat 7/4
1:18 pm-3:07 pm
Nonstop3h 49m
$296
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 9/3
4:15 pm-12:48 am
1 stop6h 33m
Chicago O'Hare Intl
Tue 9/8
8:05 pm-9:58 pm
Nonstop3h 53m
$296
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 7/24
4:12 pm-12:45 am
1 stop6h 33m
Chicago O'Hare Intl
Tue 8/4
9:30 pm-11:24 pm
Nonstop3h 54m
$296
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 5/22
6:30 pm-11:55 pm
Nonstop3h 25m
Chicago O'Hare Intl
Tue 5/26
6:15 am-11:20 am
1 stop7h 05m
$306
Showing 1-10 of 22 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
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 24, 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 18, 2026.
Travelers seeking maximum savings on their Mesa to Chicago O'Hare Intl Airport flight should consider departing on Friday 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 24, 2026.
The most flights from MS9 to ORD are scheduled on a Monday (62 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 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 24, 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.
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
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
Naperville
Gurnee
Lake Geneva
Delavan
Hoffman Estates
Downers Grove
Oakbrook Terrace
Benton Harbor
Des Plaines
Oak Brook
South Holland
Libertyville
Elgin
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Search flights from Mesa to O'Hare Intl by cabin class
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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 24, 2026.
Mesa and O'Hare Intl flights
Browse other Mesa and O'Hare Intl flight options. Last updated on April 24, 2026.
Popular flight searches
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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 April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$288 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$316 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$301 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$328 | FlexibilityNo cancel fee | On-time75% |