HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
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 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 noviembre 6, 2025.

Round-trip from

$133
(Cheapflightsfares)

One-way from

$78
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$295
From Mesa to Chicago O'Hare Intl
Search Deals
One-way flight from Mesa to Chicago O'Hare Intl
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Mesa to O'Hare Intl

Cheapest flights from Mesa to O'Hare Intl
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 noviembre 6, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/77:00 amPHX - ORD
1 stop16h 12mFrontier
lun. 12/85:17 pmORD - PHX
1 stop8h 25mFrontier
Deal found 11/6$133
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
jue. 12/45:50 pmPHX - ORD
1 stop28h 52mFrontier
dom. 12/76:11 amORD - PHX
1 stop10h 07mFrontier
Deal found 11/5$134
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
sáb. 11/225:47 pmPHX - ORD
1 stop6h 05mFrontier
jue. 12/43:47 pmORD - PHX
1 stop7h 31mFrontier
Deal found 11/4$136
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1910:06 pmPHX - ORD
1 stop8h 40mFrontier
sáb. 11/226:25 pmORD - PHX
1 stop6h 48mFrontier
Deal found 11/4$137
This CheapOair deal was found by Cheapflights users on 11/6. 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.
vie. 12/56:00 amPHX - ORD
1 stop7h 40mFrontier
dom. 12/77:00 amORD - PHX
1 stop18h 44mFrontier
Deal found 11/6$138
This Gotogate deal was found by Cheapflights users on 11/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/710:26 pmPHX - ORD
1 stop24h 46mFrontier
dom. 12/143:47 pmORD - PHX
1 stop9h 44mFrontier
Deal found 11/6$139
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/2610:11 pmPHX - ORD
1 stop24h 59mFrontier
dom. 12/73:47 pmORD - PHX
1 stop9h 44mFrontier
Deal found 11/6$140
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2310:11 pmPHX - ORD
1 stop24h 59mFrontier
vie. 12/57:00 amORD - PHX
1 stop11h 11mFrontier
Deal found 11/4$141
This Frontier deal was found by Cheapflights users on 11/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:47 pmPHX - ORD
1 stop6h 05mFrontier
vie. 11/286:00 amORD - PHX
1 stop8h 18mFrontier
Deal found 11/6$144
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
jue. 11/204:58 pmPHX - ORD
1 stop19h 15mFrontier
dom. 11/237:00 amORD - PHX
1 stop18h 32mFrontier
Deal found 11/5$145
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
sáb. 12/67:43 pmPHX - ORD
2 stops11h 59mFrontier
dom. 12/79:52 pmORD - PHX
Nonstop3h 54mFrontier
Deal found 11/6$146
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
mié. 12/177:43 pmPHX - ORD
1 stop17h 34mFrontier
jue. 12/257:57 pmORD - PHX
1 stop13h 34mFrontier
Deal found 11/5$147

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 noviembre 6, 2025.
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

mié. 12/24

12:59 am-2:21 pm

1 stop12h 22m

Chicago O'Hare Intl

jue. 12/25

7:57 pm-8:31 am

1 stop13h 34m

$154

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mar. 12/9

12:57 pm-7:44 pm

1 stop5h 47m

Chicago O'Hare Intl

lun. 12/15

12:50 pm-3:48 pm

Nonstop3h 58m

$191

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mar. 12/23

8:36 pm-8:02 pm

1 stop22h 26m

Chicago O'Hare Intl

lun. 1/5

3:37 pm-11:53 pm

1 stop9h 16m

$205

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

sáb. 12/13

8:30 am-12:59 pm

Nonstop3h 29m

Chicago O'Hare Intl

mié. 12/17

12:45 pm-6:46 pm

1 stop7h 01m

$208

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 12/12

3:20 pm-9:40 pm

1 stop5h 20m

Chicago O'Hare Intl

sáb. 12/13

5:07 pm-10:39 pm

1 stop6h 32m

$217

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 1/23

12:59 am-8:40 am

1 stop6h 41m

Chicago O'Hare Intl

sáb. 1/24

3:15 pm-11:48 pm

1 stop9h 33m

$219

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 12/12

12:59 am-10:33 am

1 stop8h 34m

Chicago O'Hare Intl

lun. 12/15

5:07 pm-10:39 pm

1 stop6h 32m

$228

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mar. 12/30

12:59 am-9:25 am

1 stop7h 26m

Chicago O'Hare Intl

lun. 1/5

6:43 pm-11:52 pm

1 stop6h 09m

$238

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

lun. 12/1

11:55 pm-10:00 am

1 stop9h 05m

Chicago O'Hare Intl

mié. 12/3

5:42 pm-12:04 am

1 stop7h 22m

$238

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

vie. 12/19

1:00 pm-9:40 pm

1 stop7h 40m

Chicago O'Hare Intl

mié. 12/24

5:31 pm-11:53 pm

1 stop7h 22m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 results
1
2
3

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 October 31, 2025.

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, March is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $100). Flying from Mesa to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $192). 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 noviembre 6, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 70% on flights from Mesa to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Mesa to Chicago O'Hare Intl Airport flight should consider departing on Wednesday evenings 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 noviembre 6, 2025.

The most flights from MS9 to ORD are scheduled on a Thursday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 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 noviembre 6, 2025.
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.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,122 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,115 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Mesa to Chicago O'Hare Intl Airport?

    Departing from Mesa to Chicago O'Hare Intl Airport will take you 5h 20m. There are 1436 mi between Mesa and Chicago O'Hare Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Mesa to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Mesa, check out the most reliable airlines to get you to your destination on time: American Airlines (87%), Royal Jordanian (86%), Aer Lingus( 85%).

  • What are the cheapest flights from Mesa to Chicago O'Hare Intl Airport?

    While on average a flight from Mesa to Chicago O'Hare Intl Airport is generally $886, our data shows the cheapest flight currently is $63. When looking at the most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), you can expect to pay $60 for that flight.

  • Can I find deals for flights from Mesa to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Mesa to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mesa to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mesa to O'Hare Intl.

  • Can I find deals for business class flights from Mesa to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Mesa to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Mesa to Chicago O'Hare Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $100). Flying from Mesa to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $192). 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.

See more FAQs

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 locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Delavan
Elgin
Oak Brook
Elk Grove Village
Downers Grove
Rockford
Naperville
Orland Park
Bridgeview
Warrenville
Waukegan
Aurora
Racine

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.

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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$218FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$162Average$355FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$311FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$332FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$205Average$344FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.