$138+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Aug 6 — Aug 131
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 July 7, 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 July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:55 pm
PHX
- ORD
1 stop9h 47m
Frontier
Sat 10/1011:06 am
ORD
- PHX
1 stop7h 56m
Frontier
Deal found 7/2![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/282:04 pm
PHX
- ORD
1 stop13h 33m
Frontier
Tue 8/49:57 pm
ORD
- PHX
1 stop19h 47m
Frontier
Deal found 7/3![Frontier logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:13 pm
PHX
- ORD
1 stop20h 08m
Alaska Airlines
Sat 8/156:20 am
ORD
- PHX
1 stop8h 03m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$255
This CheapOair deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:12 pm
PHX
- ORD
1 stop19h 49m
Frontier
Mon 10/264:00 pm
ORD
- PHX
Nonstop3h 59m
Frontier
Deal found 7/6![Frontier logo]()
$256
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:05 am
PHX
- ORD
Nonstop3h 47m
American Airlines
Sat 8/155:00 am
ORD
- PHX
Nonstop3h 33m
American Airlines
Deal found 7/2![American Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:47 pm
PHX
- ORD
1 stop6h 48m
Frontier
Tue 10/610:40 pm
ORD
- PHX
1 stop11h 18m
Frontier
Deal found 7/2![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/112:04 pm
PHX
- ORD
1 stop13h 33m
Frontier
Wed 8/262:41 pm
ORD
- PHX
2 stops19h 17m
Frontier
Deal found 7/4![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 7/3. 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 9/225:55 pm
PHX
- ORD
1 stop9h 47m
Frontier
Fri 10/94:00 pm
ORD
- PHX
Nonstop3h 59m
Frontier
Deal found 7/3![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 7/3. 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 10/97:04 pm
PHX
- ORD
Nonstop3h 29m
Frontier
Tue 10/131:52 pm
ORD
- PHX
1 stop11h 23m
Frontier
Deal found 7/3![Frontier logo]()
$261
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:04 pm
PHX
- ORD
Nonstop3h 29m
Frontier
Mon 10/126:50 am
ORD
- PHX
1 stop16h 45m
Frontier
Deal found 7/2![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 7/2. 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 11/138:04 pm
PHX
- ORD
Nonstop3h 29m
Frontier
Sun 11/154:00 pm
ORD
- PHX
Nonstop3h 59m
Frontier
Deal found 7/2![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/186:57 pm
PHX
- ORD
1 stop16h 39m
Frontier
Fri 8/218:11 pm
ORD
- PHX
1 stop18h 37m
Frontier
Deal found 7/3![Frontier logo]()
$264
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 July 7, 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 July 7, 2026.
This Delta deal was found by Cheapflights users on 7/2. 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 8/17:15 am
PHX
- ORD
1 stop9h 31m
Delta
Wed 8/56:00 am
ORD
- PHX
1 stop8h 37m
Delta
Deal found 7/2![Delta logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:15 pm
PHX
- ORD
1 stop6h 44m
Alaska Airlines
Tue 9/152:18 pm
ORD
- PHX
1 stop6h 49m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 7/4. 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 9/16:00 am
PHX
- ORD
1 stop6h 36m
United Airlines
Sat 9/51:25 pm
ORD
- PHX
Nonstop3h 50m
United Airlines
Deal found 7/4![United Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 7/2. 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 10/310:37 am
PHX
- ORD
1 stop8h 42m
Delta
Tue 10/61:26 pm
ORD
- PHX
1 stop9h 36m
Delta
Deal found 7/2![Delta logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:49 pm
PHX
- ORD
1 stop15h 33m
Alaska Airlines
Tue 9/222:18 pm
ORD
- PHX
1 stop6h 49m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/42:19 pm
PHX
- ORD
Nonstop3h 39m
United Airlines
Sun 9/68:29 pm
ORD
- PHX
Nonstop3h 52m
United Airlines
Deal found 7/3![United Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/1811:28 am
PHX
- ORD
Nonstop3h 37m
United Airlines
Fri 8/2112:47 pm
ORD
- PHX
1 stop7h 09m
United Airlines
Deal found 7/3![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/134:49 pm
PHX
- ORD
1 stop5h 10m
United Airlines
Sat 8/159:12 am
ORD
- PHX
Nonstop3h 56m
United Airlines
Deal found 7/6![United Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/64:12 pm
PHX
- ORD
1 stop6h 33m
United Airlines
Sun 8/910:25 am
ORD
- PHX
Nonstop4h 01m
United Airlines
Deal found 7/6![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:28 pm
PHX
- ORD
Nonstop3h 42m
United Airlines
Sun 8/95:00 am
ORD
- PHX
1 stop6h 00m
United Airlines
Deal found 7/3![United Airlines logo]()
$327
Last-minute flights from Mesa to O'Hare IntlDiscover last-minute flight deals from Mesa to O'Hare Intl. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to O'Hare Intl. Data last updated July 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/2. 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 7/2511:50 pm
PHX
- ORD
1 stop6h 45m
Delta
Sat 8/16:30 am
ORD
- PHX
1 stop6h 13m
Delta
Deal found 7/2![Delta logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/282:04 pm
PHX
- ORD
1 stop13h 33m
Frontier
Tue 8/49:57 pm
ORD
- PHX
1 stop19h 47m
Frontier
Deal found 7/3![Frontier logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:13 pm
PHX
- ORD
1 stop6h 23m
Alaska Airlines
Wed 8/57:59 pm
ORD
- PHX
1 stop18h 24m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:47 pm
PHX
- ORD
Nonstop3h 41m
American Airlines
Wed 8/127:40 pm
ORD
- PHX
Nonstop3h 42m
American Airlines
Deal found 7/3![American Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:13 pm
PHX
- ORD
1 stop20h 08m
Alaska Airlines
Sat 8/156:20 am
ORD
- PHX
1 stop8h 03m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/112:04 pm
PHX
- ORD
1 stop13h 33m
Frontier
Wed 8/262:41 pm
ORD
- PHX
2 stops19h 17m
Frontier
Deal found 7/4![Frontier logo]()
$259
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:20 am
PHX
- ORD
Nonstop3h 40m
American Airlines
Mon 8/175:00 am
ORD
- PHX
Nonstop3h 33m
American Airlines
Deal found 7/2![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:05 am
PHX
- ORD
Nonstop3h 47m
American Airlines
Sat 8/155:00 am
ORD
- PHX
Nonstop3h 33m
American Airlines
Deal found 7/2![American Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:05 pm
PHX
- ORD
1 stop8h 31m
Alaska Airlines
Sat 8/155:59 pm
ORD
- PHX
1 stop7h 34m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:20 am
PHX
- ORD
Nonstop3h 39m
American Airlines
Mon 8/2410:35 pm
ORD
- PHX
Nonstop3h 39m
American Airlines
Deal found 7/3![American Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/186:57 pm
PHX
- ORD
1 stop16h 39m
Frontier
Fri 8/218:11 pm
ORD
- PHX
1 stop18h 37m
Frontier
Deal found 7/3![Frontier logo]()
$264
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 July 7, 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 July 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/85:49 pm
PHX
- ORD
Nonstop3h 42m
United Airlines
Deal found 7/5![United Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/1112:47 pm
PHX
- ORD
1 stop19h 14m
Frontier
Deal found 7/2![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 10/310:55 pm
PHX
- ORD
1 stop11h 02m
Frontier
Deal found 7/6![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:00 pm
PHX
- ORD
1 stop13h 01m
Frontier
Deal found 7/6![Frontier logo]()
$143
This Super.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:47 pm
PHX
- ORD
1 stop6h 48m
Frontier
Deal found 7/7![Frontier logo]()
$144
This Delta deal was found by Cheapflights users on 7/2. 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 8/1312:15 pm
PHX
- ORD
1 stop9h 33m
Delta
Deal found 7/2![Delta logo]()
$145
This Frontier deal was found by Cheapflights users on 7/4. 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.
Wed 9/3012:47 pm
PHX
- ORD
1 stop6h 48m
Frontier
Deal found 7/4![Frontier logo]()
$146
This Delta deal was found by Cheapflights users on 7/6. 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 9/212:15 pm
PHX
- ORD
1 stop9h 33m
Delta
Deal found 7/6![Delta logo]()
$148
This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:05 pm
PHX
- ORD
1 stop8h 31m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:13 pm
PHX
- ORD
1 stop9h 46m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$150
This Super.com deal was found by Cheapflights users on 7/2. 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 7/276:24 am
PHX
- ORD
1 stop7h 44m
Frontier
Deal found 7/2![Frontier logo]()
$153
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 July 7, 2026.
Round-trip from | $253 (Kiwi.com) |
|---|---|
One-way from | $138 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $349 |
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 July 7, 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
Sat 8/1
7:15 am-6:46 pm
1 stop9h 31m
Chicago O'Hare Intl
Wed 8/5
6:00 am-12:37 pm
1 stop8h 37m
$265
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 10/3
10:37 am-9:19 pm
1 stop8h 42m
Chicago O'Hare Intl
Tue 10/6
1:26 pm-9:02 pm
1 stop9h 36m
$265
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 9/10
3:15 pm-11:59 pm
1 stop6h 44m
Chicago O'Hare Intl
Tue 9/15
2:18 pm-7:07 pm
1 stop6h 49m
$276
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 9/17
7:49 pm-1:22 pm
1 stop15h 33m
Chicago O'Hare Intl
Tue 9/22
2:18 pm-7:07 pm
1 stop6h 49m
$276
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 9/1
6:00 am-2:36 pm
1 stop6h 36m
Chicago O'Hare Intl
Sat 9/5
1:25 pm-3:15 pm
Nonstop3h 50m
$285
Quickest round-trip
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 9/4
2:19 pm-7:58 pm
Nonstop3h 39m
Chicago O'Hare Intl
Sun 9/6
8:29 pm-10:21 pm
Nonstop3h 52m
$296
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Tue 8/18
11:28 am-5:05 pm
Nonstop3h 37m
Chicago O'Hare Intl
Fri 8/21
12:47 pm-5:56 pm
1 stop7h 09m
$299
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 8/13
4:49 pm-11:59 pm
1 stop5h 10m
Chicago O'Hare Intl
Sat 8/15
9:12 am-11:08 am
Nonstop3h 56m
$306
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 8/6
4:12 pm-12:45 am
1 stop6h 33m
Chicago O'Hare Intl
Sun 8/9
10:25 am-12:26 pm
Nonstop4h 01m
$327
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sun 8/2
1:28 pm-7:10 pm
Nonstop3h 42m
Chicago O'Hare Intl
Sun 8/9
5:00 am-9:00 am
1 stop6h 00m
$327
Showing 1-10 of 18 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 July 7, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Mesa to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.
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 July 7, 2026.
The most flights from MS9 to ORD are scheduled on a Monday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).
How much does it cost to fly round-trip from Mesa to Chicago O'Hare Intl Airport?
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 July 4, 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.
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 July 7, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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.
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Mesa to 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 locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
South Holland
Libertyville
Hoffman Estates
Warrenville
Rockford
Racine
Great Lakes
Northbrook
Waukegan
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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 July 7, 2026.
Mesa and O'Hare Intl flights
Browse other Mesa and O'Hare Intl flight options. Last updated on July 7, 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$188 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$173 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$298 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$191 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$328 | FlexibilityNo cancel fee | On-time71% |