$78+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
apr. 6 — apr. 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 maart 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 maart 7, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/2. 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.
vr 4/1711:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
zo 4/197:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 3/2![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
di 5/128:02 pm
PHX
- ORD
1 stop8h 45m
Frontier
za 5/168:43 am
ORD
- PHX
Nonstop4h 12m
Frontier
Deal found 3/2![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/111:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
zo 5/37:45 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 3/7![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 3/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/1611:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
zo 4/197:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 3/4![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/255:17 pm
PHX
- ORD
1 stop11h 03m
Frontier
za 5/28:55 am
ORD
- PHX
Nonstop4h 15m
Frontier
Deal found 3/5![Frontier logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/2311:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
zo 4/267:50 am
ORD
- PHX
Nonstop4h 22m
Frontier
Deal found 3/3![Frontier logo]()
$116
This Travelocity deal was found by Cheapflights users on 3/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/1411:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
ma 5/187:43 am
ORD
- PHX
Nonstop4h 19m
Frontier
Deal found 3/4![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
vr 5/111:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
wo 5/69:18 pm
ORD
- PHX
1 stop14h 50m
Frontier
Deal found 3/6![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 3/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/710:30 pm
PHX
- ORD
1 stop10h 14m
Frontier
za 5/98:43 am
ORD
- PHX
Nonstop4h 12m
Frontier
Deal found 3/5![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 3/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/1411:12 am
PHX
- ORD
Nonstop3h 41m
Frontier
di 5/195:01 am
ORD
- PHX
1 stop14h 28m
Frontier
Deal found 3/5![Frontier logo]()
$124
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 maart 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 maart 7, 2026.
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 4/242:48 pm
PHX
- ORD
Nonstop3h 33m
United Airlines
zo 4/269:50 pm
ORD
- PHX
Nonstop4h 06m
United Airlines
Deal found 3/2![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/1810:05 am
PHX
- ORD
2 stops11h 20m
Southwest
za 4/252:05 pm
ORD
- PHX
2 stops9h 20m
Southwest
Deal found 3/2![Southwest logo]()
$250
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/2310:35 pm
PHX
- ORD
1 stop8h 02m
Delta
zo 4/267:00 am
ORD
- PHX
1 stop9h 04m
Delta
Deal found 3/4![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/6. 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.
ma 5/1811:30 pm
PHX
- ORD
Nonstop3h 31m
United Airlines
vr 5/228:13 pm
ORD
- PHX
Nonstop3h 57m
United Airlines
Deal found 3/6![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 4/106:30 am
PHX
- ORD
1 stop7h 00m
Southwest
ma 4/131:35 pm
ORD
- PHX
2 stops11h 25m
Southwest
Deal found 3/3![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 3/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 3/2510:30 pm
PHX
- ORD
1 stop9h 30m
Delta
do 4/27:10 pm
ORD
- PHX
1 stop6h 29m
Delta
Deal found 3/4![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 3/6. 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.
wo 6/1711:50 pm
PHX
- ORD
Nonstop3h 27m
United Airlines
zo 6/219:28 pm
ORD
- PHX
Nonstop3h 54m
United Airlines
Deal found 3/6![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 6/44:25 pm
PHX
- ORD
Nonstop3h 30m
Southwest
zo 6/77:55 pm
ORD
- PHX
1 stop6h 15m
Southwest
Deal found 3/2![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 6/192:05 pm
PHX
- ORD
1 stop5h 29m
Delta
do 7/26:59 pm
ORD
- PHX
1 stop6h 42m
Delta
Deal found 3/5![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 3/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/307:15 am
PHX
- ORD
2 stops9h 20m
Southwest
ma 5/44:50 pm
ORD
- PHX
2 stops16h 55m
Southwest
Deal found 3/2![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 6/2512:59 am
PHX
- ORD
1 stop5h 35m
Delta
zo 6/287:10 am
ORD
- PHX
1 stop8h 47m
Delta
Deal found 3/5![Delta logo]()
$337
Last-minute flights from Mesa to O'Hare IntlDiscover last-minute flight deals from Mesa to O'Hare Intl. Data last updated maart 7, 2026 and is based on user searches.
Discover last-minute flight deals from Mesa to O'Hare Intl. Data last updated maart 7, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 3/2. 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.
vr 3/1310:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
wo 3/187:18 pm
ORD
- PHX
1 stop14h 19m
Frontier
Deal found 3/2![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
ma 3/1610:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
wo 3/187:18 pm
ORD
- PHX
1 stop14h 19m
Frontier
Deal found 3/2![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
di 3/1710:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
di 4/71:39 pm
ORD
- PHX
1 stop22h 57m
Frontier
Deal found 3/3![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
di 3/1710:24 am
PHX
- ORD
Nonstop3h 35m
Multiple Airlines
di 4/74:36 pm
ORD
- PHX
2 stops23h 57m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$155
This Expedia deal was found by Cheapflights users on 3/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 3/1710:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
wo 3/187:18 pm
ORD
- PHX
1 stop14h 19m
Frontier
Deal found 3/2![Frontier logo]()
$189
This Super.com deal was found by Cheapflights users on 3/2. 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.
di 3/1710:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
ma 3/233:05 pm
ORD
- PHX
Nonstop4h 10m
Frontier
Deal found 3/2![Frontier logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 3/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 3/1710:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
do 3/197:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 3/5![Frontier logo]()
$207
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 maart 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 maart 7, 2026.
This Trip.com deal was found by Cheapflights users on 3/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 4/291:29 pm
PHX
- ORD
1 stop14h 06m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
do 5/78:02 pm
PHX
- ORD
1 stop8h 45m
Frontier
Deal found 3/2![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
ma 5/115:17 pm
PHX
- ORD
1 stop28h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
za 5/26:52 pm
PHX
- ORD
1 stop12h 53m
Frontier
Deal found 3/4![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 3/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 4/256:32 pm
PHX
- ORD
1 stop8h 53m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$86
This WAYA deal was found by Cheapflights users on 3/2. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/238:27 pm
PHX
- ORD
1 stop7h 41m
Frontier
Deal found 3/2![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 3/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 3/1910:24 am
PHX
- ORD
Nonstop3h 35m
Frontier
Deal found 3/5![Frontier logo]()
$88
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/26:00 pm
PHX
- ORD
Nonstop3h 30m
United Airlines
Deal found 3/2![United Airlines logo]()
$89
This Frontier deal was found by Cheapflights users on 3/4. 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.
do 4/2311:19 am
PHX
- ORD
Nonstop3h 41m
Frontier
Deal found 3/4![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/168:07 pm
PHX
- ORD
1 stop8h 01m
Frontier
Deal found 3/5![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
za 3/216:26 pm
PHX
- ORD
Nonstop3h 33m
Frontier
Deal found 3/3![Frontier logo]()
$93
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 maart 7, 2026.
Round-trip from | $106 (Cheapflightsfares) |
|---|---|
One-way from | $78 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $287 |
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 maart 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
vr 4/24
2:48 pm-8:21 pm
Nonstop3h 33m
Chicago O'Hare Intl
zo 4/26
9:50 pm-11:56 pm
Nonstop4h 06m
$217
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
za 4/18
10:05 am-11:25 pm
2 stops11h 20m
Chicago O'Hare Intl
za 4/25
2:05 pm-9:25 pm
2 stops9h 20m
$250
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
do 4/23
10:35 pm-8:37 am
1 stop8h 02m
Chicago O'Hare Intl
zo 4/26
7:00 am-2:04 pm
1 stop9h 04m
$257
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
ma 5/18
11:30 pm-5:01 am
Nonstop3h 31m
Chicago O'Hare Intl
vr 5/22
8:13 pm-10:10 pm
Nonstop3h 57m
$267
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
vr 4/10
6:30 am-3:30 pm
1 stop7h 00m
Chicago O'Hare Intl
ma 4/13
1:35 pm-11:00 pm
2 stops11h 25m
$282
Quickest round-trip
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
wo 6/17
11:50 pm-5:17 am
Nonstop3h 27m
Chicago O'Hare Intl
zo 6/21
9:28 pm-11:22 pm
Nonstop3h 54m
$297
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
wo 3/25
10:30 pm-10:00 am
1 stop9h 30m
Chicago O'Hare Intl
do 4/2
7:10 pm-11:39 pm
1 stop6h 29m
$308
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
do 6/4
4:25 pm-9:55 pm
Nonstop3h 30m
Chicago O'Hare Intl
zo 6/7
7:55 pm-12:10 am
1 stop6h 15m
$335
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
do 4/30
7:15 am-6:35 pm
2 stops9h 20m
Chicago O'Hare Intl
ma 5/4
4:50 pm-7:45 am
2 stops16h 55m
$336
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
vr 6/19
2:05 pm-9:34 pm
1 stop5h 29m
Chicago O'Hare Intl
do 7/2
6:59 pm-11:41 pm
1 stop6h 42m
$337
Showing 1-10 of 23 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 March 6, 2026.
The price you pay for your flight from Mesa to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Mesa to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $58). Flying from Mesa to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $195). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MS9 to ORD?
Find hourly flight availability from Mesa to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated maart 7, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 42% on flights from Mesa to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Mesa to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Mesa to O'Hare Intl. Price data was last updated on February 21, 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. Saturday 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 maart 7, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Mesa to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
Rosemont
Naperville
Gurnee
Hoffman Estates
Beloit
Delavan
Des Plaines
Elgin
Downers Grove
Lake Geneva
Elk Grove Village
Skokie
Oak Brook
South Holland
Libertyville
Oakbrook Terrace
Waukegan
Warrenville
Bridgeview
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for Mesa to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Mesa to O'Hare Intl by cabin class
Find flights from Mesa to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 maart 7, 2026.
Mesa and O'Hare Intl flights
Browse other Mesa and O'Hare Intl flight options. Last updated on maart 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Mesa to O'Hare Intl flights
Consider these flights traveling from Mesa to O'Hare Intl.
Top 5 airlines flying from Mesa to O'Hare Intl
Discover the top 5 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 maart 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$293 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$282 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$316 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$301 | FlexibilityNo cancel fee | On-time71% |