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O'Hare Intl

$90+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
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 Saturday

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 April 29, 2025.

Round-trip from

$175
(Orbitz)

One-way from

$90
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$282
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. 9% potential increase in price ($28 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 April 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 April 29, 2025.

This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:15 pmPHX - ORD
Nonstop3h 26mMultiple Airlines
Sun 6/19:02 pmORD - PHX
1 stop13h 11mMultiple Airlines
Deal found 4/28$175
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 5/306:15 pmPHX - ORD
Nonstop3h 26mFrontier
Mon 6/23:18 pmORD - PHX
Nonstop4h 02mFrontier
Deal found 4/27$176
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/299:19 amPHX - ORD
3 stops32h 49mSpirit Airlines
Sun 6/89:02 pmORD - PHX
1 stop13h 11mSpirit Airlines
Deal found 4/28$212
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:35 amPHX - ORD
1 stop6h 58mAmerican Airlines
Wed 5/286:50 pmORD - PHX
Nonstop4h 02mAmerican Airlines
Deal found 4/27$214
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:00 amPHX - ORD
Nonstop3h 31mUnited Airlines
Sun 5/255:02 amORD - PHX
1 stop5h 39mUnited Airlines
Deal found 4/29$226
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:00 amPHX - ORD
1 stop14h 56mAlaska Airlines
Tue 6/36:00 amORD - PHX
1 stop10h 47mAlaska Airlines
Deal found 4/29$246
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/106:00 amPHX - ORD
1 stop8h 18mDelta
Sat 6/146:00 amORD - PHX
1 stop6h 27mDelta
Deal found 4/28$249
This Hawaiian Airlines deal was found by Cheapflights users on 4/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:16 pmPHX - ORD
1 stop7h 23mHawaiian Airlines
Tue 8/193:09 pmORD - PHX
1 stop10h 45mHawaiian Airlines
Deal found 4/27$296
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/105:50 amPHX - ORD
1 stop8h 35mSouthwest
Tue 6/171:30 pmORD - PHX
2 stops9h 45mSouthwest
Deal found 4/28$298
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2711:59 pmPHX - ORD
1 stop18h 40mSun Country Air
Sun 6/298:17 pmORD - PHX
1 stop21h 09mSun Country Air
Deal found 4/28$310

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 April 29, 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

Fri 5/30

6:15 pm-11:41 pm

Nonstop3h 26m

Chicago O'Hare Intl

Sun 6/1

9:02 pm-8:13 am

1 stop13h 11m

$175

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 5/30

6:15 pm-11:41 pm

Nonstop3h 26m

Chicago O'Hare Intl

Mon 6/9

3:18 pm-5:20 pm

Nonstop4h 02m

$176

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Thu 5/29

9:19 am-8:08 pm

3 stops32h 49m

Chicago O'Hare Intl

Sun 6/8

9:02 pm-8:13 am

1 stop13h 11m

$212

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 5/28

8:35 am-5:33 pm

1 stop6h 58m

Chicago O'Hare Intl

Wed 5/28

6:50 pm-8:52 pm

Nonstop4h 02m

$214

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Wed 5/21

7:00 am-12:31 pm

Nonstop3h 31m

Chicago O'Hare Intl

Sun 5/25

5:02 am-8:41 am

1 stop5h 39m

$226

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Sat 5/31

7:00 am-11:56 pm

1 stop14h 56m

Chicago O'Hare Intl

Tue 6/3

6:00 am-2:47 pm

1 stop10h 47m

$246

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 6/10

6:35 am-4:46 pm

1 stop8h 11m

Chicago O'Hare Intl

Tue 6/17

9:49 am-2:22 pm

1 stop6h 33m

$249

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Tue 6/10

5:50 am-4:25 pm

1 stop8h 35m

Chicago O'Hare Intl

Tue 6/17

1:30 pm-9:15 pm

2 stops9h 45m

$298

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 6/27

11:59 pm-8:39 pm

1 stop18h 40m

Chicago O'Hare Intl

Sun 6/29

8:17 pm-3:26 pm

1 stop21h 09m

$310

PhoenixChicago

PHX - ORD

PHXORD

Phoenix Sky Harbor Intl

Fri 6/6

6:15 pm-11:47 pm

Nonstop3h 32m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 18 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 April 25, 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 April 29, 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 April 29, 2025.

The most flights from MS9 to ORD are scheduled on a Tuesday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Mesa to Chicago by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,406 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

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 Frontier, which is currently one of the cheapest options available, starting at $90. Spirit Airlines flights start at $95 while deals on United Airlines start at $100 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 (97%), Brussels Airlines (95%), Cathay Pacific( 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 $937, our data shows the cheapest flight currently is $97. When looking at the most popular route, (Phoenix Sky Harbor Intl - Chicago O'Hare Intl), you can expect to pay $158 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

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$174FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$81Average$203FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$163Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$168Average$307FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$382FlexibilityNo cancel feeOn-time63%
DeltaCheapest$221Average$293FlexibilityNo cancel feeOn-timeN/A

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