$70+ Cheap flights from Mesa, AZ to Chicago (CHI)
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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — CHI
Feb 28 — Mar 71
1 adult, Economy
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Find cheap flights from Mesa to Chicago 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 are usually found in February or January, booked 22 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Mesa to Chicago
Cheapest flights from Mesa to ChicagoExplore the most affordable flight options available from Mesa to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Mesa to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 2/2610:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 3/26:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/28![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:19 am
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/28![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/203:43 pm
PHX
- MDW
Nonstop3h 17m
Frontier
Mon 2/237:25 pm
MDW
- PHX
Nonstop4h 07m
Frontier
Deal found 1/27![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 2/203:42 pm
PHX
- ORD
Nonstop3h 35m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/27![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 1/28. 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 2/1812:31 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Mon 2/236:00 am
ORD
- PHX
Nonstop4h 09m
Frontier
Deal found 1/28![Frontier logo]()
$90
This CheapOair deal was found by Cheapflights users on 1/28. 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.
Wed 2/1812:31 pm
PHX
- ORD
Nonstop3h 32m
Frontier
Sat 2/218:05 am
ORD
- PHX
1 stop16h 39m
Frontier
Deal found 1/28![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:24 pm
PHX
- MDW
Nonstop3h 17m
Frontier
Sun 3/82:16 pm
MDW
- PHX
Nonstop4h 08m
Frontier
Deal found 1/28![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:30 am
PHX
- ORD
1 stop6h 54m
Frontier
Sat 2/287:55 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 1/27![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 2/285:42 pm
PHX
- ORD
1 stop12h 52m
Frontier
Mon 3/97:00 am
ORD
- PHX
Nonstop4h 14m
Frontier
Deal found 1/28![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/285:10 pm
PHX
- ORD
1 stop13h 44m
Multiple Airlines
Tue 3/39:15 am
ORD
- PHX
Nonstop4h 14m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$102
This Frontier deal was found by Cheapflights users on 1/28. 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.
Thu 2/2611:59 pm
PHX
- MDW
1 stop13h 27m
Frontier
Mon 3/23:29 pm
MDW
- PHX
Nonstop4h 07m
Frontier
Deal found 1/28![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:22 am
PHX
- MDW
Nonstop3h 27m
Frontier
Mon 5/186:15 am
MDW
- PHX
Nonstop3h 57m
Frontier
Deal found 1/28![Frontier logo]()
$106
Find flight deals from Mesa to Chicago
Keep the following information in mind while searching for Mesa to Chicago flight deals. Data was last updated January 29, 2026.
Round-trip from | $78 (Cheapflightsfares) |
|---|---|
One-way from | $70 (Cheapflightsfares) |
Popular in | December |
Cheapest in | February |
Average price | $220 |
Cheapflights Fare Finder
Customize your flight search to find flights from Mesa to Chicago 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 29, 2026.
Use the filters below to find and compare flights from Mesa to Chicago that are best for you.
Fly from
Mesa
Fly to
Chicago
Route
Depart
Return
Price
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Thu 3/5
5:10 pm-4:13 pm
1 stop22h 03m
Chicago Midway
Sun 3/8
2:16 pm-4:24 pm
Nonstop4h 08m
$174
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Wed 2/25
6:00 am-4:33 pm
1 stop9h 33m
Chicago O'Hare Intl
Sat 2/28
8:20 am-3:45 pm
1 stop8h 25m
$197
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Fri 3/6
5:50 pm-10:00 pm
Nonstop3h 10m
Chicago Midway
Wed 3/11
5:55 am-7:50 am
Nonstop3h 55m
$197
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Thu 2/26
6:00 am-4:33 pm
1 stop9h 33m
Chicago O'Hare Intl
Tue 3/3
3:07 pm-11:42 pm
1 stop9h 35m
$207
PhoenixChicago
PHX - ORD
PHXORD
Phoenix Sky Harbor Intl
Sat 2/21
7:00 am-11:29 am
Nonstop3h 29m
Chicago O'Hare Intl
Sat 2/21
4:10 pm-7:18 pm
Nonstop4h 08m
$217
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Sat 2/28
5:15 am-9:30 am
Nonstop3h 15m
Chicago Midway
Wed 3/4
5:05 am-8:15 am
Nonstop4h 10m
$217
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Thu 2/26
5:25 am-9:40 am
Nonstop3h 15m
Chicago Midway
Sat 2/28
7:15 pm-10:15 pm
Nonstop4h 00m
$217
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Fri 3/6
7:55 pm-12:05 am
Nonstop3h 10m
Chicago Midway
Mon 3/9
9:30 pm-11:25 pm
Nonstop3h 55m
$217
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Tue 3/3
12:05 pm-7:05 pm
2 stops6h 00m
Chicago Midway
Sat 3/7
6:00 pm-8:55 pm
Nonstop3h 55m
$225
PhoenixChicago
PHX - MDW
PHXMDW
Phoenix Sky Harbor Intl
Tue 2/24
11:59 pm-8:54 am
1 stop7h 55m
Chicago Midway
Sat 2/28
4:13 pm-11:42 pm
1 stop8h 29m
$227
Showing 1-10 of 55 results
Best time to book a flight from Mesa to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago 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
How far ahead should I book a flight from Mesa to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from Mesa to Chicago. Price data was last updated on January 23, 2026.
The price you pay for your flight from Mesa to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 22 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?
Currently, February is the cheapest month in which you can book a flight from Mesa to Chicago (average of $62). Flying from Mesa to Chicago in July is currently the most expensive (average of $193). 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 CHI?
Find hourly flight availability from Mesa to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 27% on flights from Mesa to Chicago by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Mesa to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Mesa to Chicago. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Mesa to Chicago flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Mesa to Chicago
Explore weekly flight availability from Mesa to Chicago. 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 29, 2026.
The most flights from MS9 to CHI are scheduled on a Thursday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).
How much does it cost to fly round-trip from Mesa to Chicago?
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Mesa to Chicago, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
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 Chicago. 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?
Book flights to Chicago if you plan to visit one of these locationsLansing
Merrillville
Hammond
Porter
Benton Harbor
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Mesa to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Mesa to Chicago
Discover the top 7 airlines that operate flights from Mesa to Chicago. 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$79 | Average$166 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$106 | Average$214 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$118 | Average$322 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$299 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$321 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$307 | FlexibilityNo cancel fee | On-time71% |