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Mesa

$69+ Cheap flights from Illinois to Mesa, AZ

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Illinois to Mesa

Keep the following information in mind while searching for Illinois to Mesa flight deals. Data was last updated April 2, 2025.

Round-trip from

$157
(Kiwi.com)

One-way from

$69
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$239
From Illinois to Mesa
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One-way flight from Illinois to Mesa
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 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 Illinois to Mesa

Cheapest flights from Illinois to Mesa
Explore the most affordable flight options available from Illinois to Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1911:53 amORD - PHX
1 stop6h 48mSpirit Airlines
Wed 4/235:46 pmPHX - ORD
1 stop12h 49mSpirit Airlines
Deal found 4/1$159
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/261:34 pmORD - PHX
Nonstop4h 10mMultiple Airlines
Sun 4/272:34 pmPHX - ORD
1 stop13h 59mMultiple Airlines
Deal found 4/1$161
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:35 amORD - PHX
Nonstop4h 03mFrontier
Mon 5/510:40 amPHX - ORD
Nonstop3h 33mFrontier
Deal found 4/1$164
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:19 pmMDW - PHX
Nonstop3h 57mFrontier
Sun 5/48:00 amPHX - MDW
Nonstop3h 25mFrontier
Deal found 3/30$167
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:50 pmMDW - PHX
Nonstop3h 45mSouthwest
Tue 5/66:30 pmPHX - MDW
Nonstop3h 20mSouthwest
Deal found 3/30$179
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:05 pmORD - PHX
Nonstop4h 02mUnited Airlines
Wed 5/146:00 amPHX - ORD
Nonstop3h 31mUnited Airlines
Deal found 4/1$179
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2210:00 pmORD - PHX
Nonstop3h 59mAmerican Airlines
Tue 4/221:04 amPHX - ORD
Nonstop3h 26mAmerican Airlines
Deal found 4/1$194
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:00 amORD - PHX
1 stop10h 12mAlaska Airlines
Sat 5/109:00 amPHX - ORD
1 stop8h 10mAlaska Airlines
Deal found 4/1$207
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/304:28 pmPIA - PHX
1 stop9h 28mAmerican Airlines
Wed 5/75:00 amPHX - PIA
1 stop8h 48mAmerican Airlines
Deal found 4/1$209
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:53 amMLI - PHX
1 stop7h 32mUnited Airlines
Sun 5/1111:59 pmPHX - MLI
1 stop8h 12mUnited Airlines
Deal found 4/1$239
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/152:05 pmORD - PHX
1 stop8h 55mHawaiian Airlines
Tue 4/296:00 amPHX - ORD
1 stop9h 00mHawaiian Airlines
Deal found 4/1$244
This Delta deal was found by Cheapflights users on 3/31. 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 4/2910:20 amMDW - PHX
1 stop7h 48mDelta
Wed 5/79:11 amPHX - MDW
1 stop6h 34mDelta
Deal found 3/31$253

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Mesa 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 2, 2025.
Use the filters below to find and compare flights from Illinois to Mesa that are best for you.

Fly from

Illinois

Fly to

Mesa

Route

Depart

Return

Price

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 4/19

11:53 am-4:41 pm

1 stop6h 48m

Phoenix Sky Harbor Intl

Wed 4/23

5:46 pm-8:35 am

1 stop12h 49m

$159

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 4/26

1:34 pm-3:44 pm

Nonstop4h 10m

Phoenix Sky Harbor Intl

Sun 4/27

2:34 pm-6:33 am

1 stop13h 59m

$161

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Mon 4/28

7:35 am-9:38 am

Nonstop4h 03m

Phoenix Sky Harbor Intl

Mon 5/5

10:40 am-4:13 pm

Nonstop3h 33m

$164

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 4/29

12:19 pm-2:16 pm

Nonstop3h 57m

Phoenix Sky Harbor Intl

Sun 5/4

8:00 am-1:25 pm

Nonstop3h 25m

$167

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

Tue 4/29

8:50 pm-10:35 pm

Nonstop3h 45m

Phoenix Sky Harbor Intl

Tue 5/6

6:30 pm-11:50 pm

Nonstop3h 20m

$179

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 5/10

4:05 pm-6:07 pm

Nonstop4h 02m

Phoenix Sky Harbor Intl

Wed 5/14

6:00 am-11:31 am

Nonstop3h 31m

$179

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 4/22

10:00 pm-11:59 pm

Nonstop3h 59m

Phoenix Sky Harbor Intl

Tue 4/22

1:04 am-6:30 am

Nonstop3h 26m

$194

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Sat 5/3

6:00 am-2:12 pm

1 stop10h 12m

Phoenix Sky Harbor Intl

Sat 5/10

9:00 am-7:10 pm

1 stop8h 10m

$207

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

Tue 4/29

6:00 am-2:12 pm

1 stop10h 12m

Phoenix Sky Harbor Intl

Tue 5/6

9:00 am-6:20 pm

1 stop7h 20m

$208

PeoriaPhoenix

PIA - PHX

PIAPHX

Greater Peoria

Wed 4/30

4:28 pm-11:56 pm

1 stop9h 28m

Phoenix Sky Harbor Intl

Wed 5/7

5:00 am-3:48 pm

1 stop8h 48m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Mesa

Have a flexible travel schedule? Discover the best time to fly to Mesa from Illinois 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 Illinois to Mesa

What is the cheapest month to book a flight from Illinois to Mesa?

Currently, January is the cheapest month in which you can book a flight from Illinois to Mesa (average of $258). Flying from Illinois to Mesa in March is currently the most expensive (average of $337). 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 IL to MS9?

Find hourly flight availability from Illinois to Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

When flying from Illinois to Mesa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Mesa

Explore weekly flight availability from Illinois to Mesa. 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 2, 2025.

The most flights from USIL to MS9 are scheduled on a Tuesday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Mesa by month

Plan your trip to Mesa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mesa ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Mesa when rainfall is around 0.0 in.

Temperature in Mesa by month

Plan your trip to Mesa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mesa, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Mesa

Get insights into the airlines that provide service to Mesa. 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 Mesa. Reviews last updated April 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Illinois to Mesa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Illinois to Mesa. 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 Illinois to Mesa one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $69. Users have also found prices from $81 and $90 on Spirit Airlines and Southwest, respectively.

  • What are the most popular routes from Illinois to Mesa?

    While some choose either Lambert-St Louis - Phoenix Sky Harbor Intl or Chicago Midway - Phoenix Sky Harbor Intl, Chicago O'Hare Intl - Phoenix Sky Harbor Intl is the most popular route from Illinois to Mesa.

  • What are the most reliable airlines from Illinois to Mesa?

    Before booking your flight to Mesa from Illinois, check out the most reliable airlines to get you to your destination on time: United Airlines (91%), Cathay Pacific (90%), Emirates( 89%).

  • What are the cheapest flights from Illinois to Mesa?

    On average you can expect to pay $715 for a flight from Illinois to Mesa. The cheapest flight overall is $81 while the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl) is currently priced at $141.

  • Can I find deals for flights from Illinois to Mesa that include hotel bookings?

    Yes. In addition to deals on Illinois to Mesa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Mesa?

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

  • Can I find deals for business class flights from Illinois to Mesa?

    Yes. Cheapflights offers flight deals from Illinois to Mesa 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 Illinois to Mesa?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Mesa (average of $258). Flying from Illinois to Mesa in March is currently the most expensive (average of $337). 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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Alternative routes for Illinois to Mesa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Mesa

Discover the top 7 airlines that operate flights from Illinois to Mesa. 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$173FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$113Average$254FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$115Average$220FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$171Average$436FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$174Average$487FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$392FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$217Average$385FlexibilityNo cancel feeOn-time63%

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