$51+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Feb 13 — Feb 201
1 adult, Economy
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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 Wednesday
Cheap 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 January 14, 2026.
Round-trip from | $73 (Cheapflightsfares) |
|---|---|
One-way from | $51 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $199 |
Find flight deals from Mesa to O'Hare Intl
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 January 14, 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 January 14, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 3/26:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/13![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:31 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Mon 3/26:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/14![Frontier logo]()
$76
This Expedia deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/51:24 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Tue 2/178:10 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 1/14![Frontier logo]()
$77
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/133:42 pm
PHX
- ORD
Nonstop3h 35m
Frontier
Sun 2/1512:56 pm
ORD
- PHX
Nonstop4h 13m
Frontier
Deal found 1/13![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:31 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Sun 3/87:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 1/14![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Fri 3/137:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 1/13![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:44 am
PHX
- ORD
Nonstop3h 35m
Frontier
Sun 4/511:57 am
ORD
- PHX
Nonstop4h 00m
Frontier
Deal found 1/13![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:31 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Sat 2/218:05 am
ORD
- PHX
1 stop16h 39m
Frontier
Deal found 1/13![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/14![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:19 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Sun 2/16:41 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/14![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:52 pm
PHX
- ORD
1 stop17h 51m
Frontier
Tue 3/107:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 1/12![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:00 pm
PHX
- ORD
1 stop12h 54m
Multiple Airlines
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Multiple Airlines
Deal found 1/13![Multiple Airlines logo]()
$105
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 January 14, 2026.
Use the filters below to find and compare flights from Mesa to Chicago O'Hare Intl Airport that are best for you.
Fly from
Mesa
Fly to
O'Hare Intl
Route
Depart
Return
Price
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 2/28
12:21 pm-4:53 pm
Nonstop3h 32m
Chicago O'Hare Intl
Mon 3/2
6:00 am-9:09 am
Nonstop4h 09m
$112
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 1/31
12:19 pm-4:51 pm
Nonstop3h 32m
Chicago O'Hare Intl
Sun 2/1
6:41 am-9:50 am
Nonstop4h 09m
$123
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 2/19
10:19 am-2:54 pm
Nonstop3h 35m
Chicago O'Hare Intl
Sat 2/21
8:05 am-11:44 pm
1 stop16h 39m
$132
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 2/13
7:36 pm-10:46 am
2 stops14h 10m
Chicago O'Hare Intl
Mon 2/16
6:00 am-9:09 am
Nonstop4h 09m
$170
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 3/23
6:26 pm-11:59 pm
Nonstop3h 33m
Chicago O'Hare Intl
Thu 3/26
7:55 am-10:09 am
Nonstop4h 14m
$179
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 3/23
6:26 pm-11:59 pm
Nonstop3h 33m
Chicago O'Hare Intl
Wed 3/25
8:55 pm-7:42 am
2 stops12h 47m
$190
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 2/23
9:05 am-1:30 pm
Nonstop3h 25m
Chicago O'Hare Intl
Tue 2/24
4:25 pm-7:25 pm
Nonstop4h 00m
$198
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 2/16
11:40 am-4:15 pm
Nonstop3h 35m
Chicago O'Hare Intl
Tue 2/17
4:25 pm-7:25 pm
Nonstop4h 00m
$198
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Fri 2/20
11:40 am-4:15 pm
Nonstop3h 35m
Chicago O'Hare Intl
Sat 2/21
2:15 pm-5:20 pm
Nonstop4h 05m
$198
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Mon 3/23
6:26 pm-11:59 pm
Nonstop3h 33m
Chicago O'Hare Intl
Fri 3/27
6:35 pm-11:51 pm
1 stop7h 16m
$203
Showing 1-10 of 22 results
Best time to book a flight from Mesa to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Mesa with our price prediction graph.
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
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 January 9, 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 $65). Flying from Mesa to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $191). 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 January 14, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 55% 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 January 10, 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.
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 January 14, 2026.
The most flights from MS9 to ORD are scheduled on a Monday (43 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated January 14, 2026.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Mesa to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Mesa to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Mesa to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
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 January 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$79 | Average$218 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$162 | Average$355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$312 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$308 | FlexibilityNo cancel fee | On-time71% |