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O'Hare Intl

$105+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Mesa to Chicago O'Hare Intl are usually found in September or January, booked 88 days in advance, depart on a Thursday or Friday 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 julio 1, 2025.

Round-trip from

$192
(Kiwi.com)

One-way from

$105
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$297
From Mesa to Chicago O'Hare Intl
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One-way flight from Mesa to Chicago O'Hare Intl
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Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
vie. 7/185:11 pmPHX - ORD
Nonstop3h 44mFrontier
lun. 7/215:20 amORD - PHX
1 stop7h 54mFrontier
Deal found 6/30$192
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
mar. 7/82:03 pmPHX - ORD
1 stop8h 07mMultiple Airlines
jue. 7/1711:21 amORD - PHX
1 stop6h 41mMultiple Airlines
Deal found 6/30$194
This Southwest deal was found by Cheapflights users on 6/29. 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.
mié. 8/134:50 pmPHX - ORD
Nonstop3h 30mSouthwest
mar. 8/263:00 pmORD - PHX
Nonstop3h 50mSouthwest
Deal found 6/29$199
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2012:24 amPHX - ORD
Nonstop3h 37mAmerican Airlines
dom. 8/245:00 amORD - PHX
Nonstop3h 38mAmerican Airlines
Deal found 6/30$206
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1612:20 amPHX - ORD
1 stop15h 30mSpirit Airlines
lun. 10/206:00 amORD - PHX
1 stop7h 17mSpirit Airlines
Deal found 7/1$217
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/62:16 pmPHX - ORD
1 stop7h 23mHawaiian Airlines
sáb. 8/97:00 amORD - PHX
1 stop8h 16mHawaiian Airlines
Deal found 6/30$218
This United Airlines deal was found by Cheapflights users on 6/30. 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.
mar. 7/227:04 amPHX - ORD
Nonstop3h 41mUnited Airlines
vie. 7/259:15 amORD - PHX
Nonstop3h 54mUnited Airlines
Deal found 6/30$219
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:01 amPHX - ORD
1 stop9h 54mAlaska Airlines
dom. 11/162:54 pmORD - PHX
1 stop9h 22mAlaska Airlines
Deal found 6/30$225
This Sun Country Air deal was found by Cheapflights users on 6/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/311:59 pmPHX - ORD
1 stop15h 16mSun Country Air
vie. 8/86:17 pmORD - PHX
1 stop23h 51mSun Country Air
Deal found 6/30$235
This Delta deal was found by Cheapflights users on 6/30. 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.
lun. 8/1111:59 pmPHX - ORD
1 stop6h 38mDelta
lun. 8/187:45 amORD - PHX
1 stop6h 27mDelta
Deal found 6/30$237

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 julio 1, 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

vie. 7/18

5:11 pm-10:55 pm

Nonstop3h 44m

Chicago O'Hare Intl

lun. 7/21

5:20 am-11:14 am

1 stop7h 54m

$192

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

lun. 8/4

12:30 pm-4:14 pm

1 stop25h 44m

Chicago O'Hare Intl

jue. 8/7

11:21 am-4:02 pm

1 stop6h 41m

$194

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mié. 8/13

10:50 am-4:30 pm

Nonstop3h 40m

Chicago O'Hare Intl

lun. 9/22

3:50 pm-5:39 pm

Nonstop3h 49m

$199

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mié. 8/20

12:24 am-6:01 am

Nonstop3h 37m

Chicago O'Hare Intl

dom. 8/24

5:00 am-6:38 am

Nonstop3h 38m

$206

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mié. 7/23

4:50 pm-10:20 pm

Nonstop3h 30m

Chicago O'Hare Intl

mié. 7/30

2:50 pm-4:40 pm

Nonstop3h 50m

$209

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

jue. 10/16

12:20 am-5:50 pm

1 stop15h 30m

Chicago O'Hare Intl

lun. 10/20

6:00 am-11:17 am

1 stop7h 17m

$217

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

mié. 8/6

2:16 pm-11:39 pm

1 stop7h 23m

Chicago O'Hare Intl

sáb. 8/9

7:00 am-1:16 pm

1 stop8h 16m

$218

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

jue. 11/13

8:01 am-6:55 pm

1 stop9h 54m

Chicago O'Hare Intl

dom. 11/16

2:54 pm-11:16 pm

1 stop9h 22m

$225

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

dom. 8/3

11:59 pm-5:15 pm

1 stop15h 16m

Chicago O'Hare Intl

vie. 8/8

6:17 pm-4:08 pm

1 stop23h 51m

$235

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

lun. 8/11

11:59 pm-8:37 am

1 stop6h 38m

Chicago O'Hare Intl

lun. 8/18

7:45 am-12:12 pm

1 stop6h 27m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 20 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 June 27, 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 88 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, August is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $245). Flying from Mesa to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 julio 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Mesa to Chicago O'Hare Intl Airport as you normally would.

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 June 30, 2024.

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. Sunday 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 julio 1, 2025.

The most flights from MS9 to ORD are scheduled on a Monday (54 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (40 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 julio 1, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,538 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 United Airlines, which is currently one of the cheapest options available, starting at $105. American Airlines flights start at $107 while deals on Alaska Airlines start at $109 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: SWISS (93%), Aer Lingus (90%), Lufthansa( 90%).

  • 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 $1,615, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), you can expect to pay $147 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, August is the cheapest month in which you can book a flight from Mesa to Chicago O'Hare Intl Airport (average of $245). Flying from Mesa to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Mesa?

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Schaumburg
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Racine
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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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$79Average$214FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$168Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$174Average$328FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$371FlexibilityNo cancel feeOn-time63%
DeltaCheapest$240Average$293FlexibilityNo cancel feeOn-timeN/A

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