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O'Hare Intl

$57+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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1. Tell us where you want to go

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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

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 December 9, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/7. 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.
Thu 12/253:40 pmPHX - ORD
Nonstop3h 43mFrontier
Sat 1/37:00 amORD - PHX
1 stop18h 44mFrontier
Deal found 12/7$131
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/253:40 pmPHX - ORD
Nonstop3h 43mMultiple Airlines
Wed 1/79:09 pmORD - PHX
1 stop28h 19mMultiple Airlines
Deal found 12/8$133
This Super.com deal was found by Cheapflights users on 12/7. 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.
Sun 12/289:15 pmPHX - ORD
Nonstop3h 37mFrontier
Mon 1/128:08 pmORD - PHX
Nonstop4h 02mFrontier
Deal found 12/7$137
This Frontier deal was found by Cheapflights users on 12/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:40 pmPHX - ORD
Nonstop3h 43mFrontier
Fri 1/21:27 pmORD - PHX
Nonstop4h 08mFrontier
Deal found 12/7$141
This Super.com deal was found by Cheapflights users on 12/7. 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.
Thu 12/253:40 pmPHX - ORD
Nonstop3h 43mFrontier
Thu 1/19:33 pmORD - PHX
Nonstop3h 54mFrontier
Deal found 12/7$156
This Cheapflightsfares deal was found by Cheapflights users on 12/7. 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.
Wed 12/319:31 amPHX - ORD
1 stop13h 41mFrontier
Sat 1/39:55 pmORD - PHX
Nonstop3h 54mFrontier
Deal found 12/7$157
This CheapOair deal was found by Cheapflights users on 12/6. 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.
Sat 12/2010:31 pmPHX - ORD
1 stop24h 41mFrontier
Sat 1/39:55 pmORD - PHX
Nonstop3h 54mFrontier
Deal found 12/6$158
This Super.com deal was found by Cheapflights users on 12/7. 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.
Sun 12/289:15 pmPHX - ORD
Nonstop3h 37mFrontier
Sat 1/39:55 pmORD - PHX
Nonstop3h 54mFrontier
Deal found 12/7$161
This Cheapflightsfares deal was found by Cheapflights users on 12/7. 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.
Wed 12/247:00 amPHX - ORD
1 stop16h 12mFrontier
Mon 1/51:32 pmORD - PHX
Nonstop4h 08mFrontier
Deal found 12/7$166
This Cheapflightsfares deal was found by Cheapflights users on 12/9. 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 12/317:00 amPHX - ORD
1 stop16h 12mFrontier
Mon 1/51:32 pmORD - PHX
Nonstop4h 08mFrontier
Deal found 12/9$167
This Cheapflightsfares deal was found by Cheapflights users on 12/7. 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.
Fri 12/196:00 amPHX - ORD
1 stop11h 33mFrontier
Sat 1/106:51 pmORD - PHX
Nonstop4h 07mFrontier
Deal found 12/7$170

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 December 9, 2025.

Round-trip from

$100
(Kiwi.com)

One-way from

$57
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$296
From Mesa to Chicago O'Hare Intl
Search Deals
One-way flight from Mesa to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 9, 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

Wed 1/7

9:05 am-1:30 pm

Nonstop3h 25m

Chicago O'Hare Intl

Wed 1/14

4:25 pm-7:25 pm

Nonstop4h 00m

$197

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 2/4

3:45 pm-11:37 pm

1 stop6h 52m

Chicago O'Hare Intl

Thu 2/5

3:44 pm-11:22 pm

1 stop8h 38m

$197

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 1/20

5:34 pm-11:59 pm

1 stop5h 25m

Chicago O'Hare Intl

Sat 1/24

7:56 pm-10:59 pm

Nonstop4h 03m

$208

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 1/1

5:02 am-9:40 am

Nonstop3h 38m

Chicago O'Hare Intl

Thu 1/22

5:00 am-8:04 am

Nonstop4h 04m

$209

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 2/6

7:00 am-5:10 pm

1 stop9h 10m

Chicago O'Hare Intl

Mon 2/9

3:44 pm-11:22 pm

1 stop8h 38m

$216

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 1/23

12:59 am-10:25 am

1 stop8h 26m

Chicago O'Hare Intl

Sat 1/24

3:24 pm-9:54 pm

1 stop7h 30m

$217

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 2/3

11:55 am-7:21 pm

1 stop6h 26m

Chicago O'Hare Intl

Sat 2/7

11:45 am-7:13 pm

1 stop8h 28m

$218

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 1/7

1:55 pm-11:59 pm

1 stop9h 04m

Chicago O'Hare Intl

Wed 1/14

2:50 pm-11:40 pm

1 stop9h 50m

$219

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 12/23

12:45 am-5:10 am

Nonstop3h 25m

$89

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sun 1/18

6:00 am-1:00 pm

1 stop6h 00m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 19 results
1
2

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 December 5, 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, December is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $80). 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 December 9, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 71% 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 December 9, 2025.

The most flights from MS9 to ORD are scheduled on a Monday (44 on average). You will have fewer flight options on Thursday, 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 December 9, 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
4,254 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,089 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,168 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,085 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3h 25m. 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 cheapest airlines to fly from Mesa to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $47. Spirit Airlines flights start at $81 while deals on United Airlines start at $98 one-way.

  • 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: Japan Airlines (84%), Aer Lingus (82%), American Airlines( 81%).

  • 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 $980, our data shows the cheapest flight currently is $34. When looking at the most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), you can expect to pay $73 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, December is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $80). 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.

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
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

Browse thousands of different options on Cheapflights for your next trip

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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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$79Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$84Average$207FlexibilityNo cancel feeOn-time62%
DeltaCheapest$162Average$355FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$194Average$323FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$309FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$200Average$330FlexibilityNo cancel feeOn-time63%

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