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Mesa

$88+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
may. 5 — may. 121
lun. 5/5
lun. 5/12
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 abril 30, 2025.

Round-trip from

$176
(Frontier)

One-way from

$88
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$271
From Illinois to Mesa
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One-way flight from Illinois to Mesa
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Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 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 abril 30, 2025.

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.
lun. 6/23:18 pmORD - PHX
Nonstop4h 02mFrontier
lun. 6/96:15 pmPHX - ORD
Nonstop3h 32mFrontier
Deal found 4/27$176
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/179:02 pmORD - PHX
1 stop13h 11mMultiple Airlines
mar. 5/205:54 pmPHX - ORD
1 stop22h 56mMultiple Airlines
Deal found 4/28$177
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.
mié. 5/289:02 pmORD - PHX
1 stop13h 11mSpirit Airlines
vie. 5/309:19 amPHX - ORD
1 stop18h 06mSpirit Airlines
Deal found 4/28$178
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/272:44 pmMDW - PHX
1 stop6h 42mFrontier
mié. 5/2812:55 pmPHX - MDW
1 stop7h 41mFrontier
Deal found 4/29$193
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/206:00 amORD - PHX
Nonstop3h 52mAmerican Airlines
mar. 5/2711:45 pmPHX - ORD
Nonstop3h 28mAmerican Airlines
Deal found 4/29$224
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/206:00 amMDW - PHX
1 stop8h 15mDelta
mar. 5/2012:45 amPHX - MDW
1 stop5h 51mDelta
Deal found 4/29$237
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/207:30 amORD - PHX
1 stop6h 41mDelta
mar. 5/2012:45 amPHX - ORD
1 stop5h 39mDelta
Deal found 4/29$237
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/308:45 amMDW - PHX
Nonstop3h 50mSouthwest
mar. 6/35:15 pmPHX - MDW
Nonstop3h 20mSouthwest
Deal found 4/29$242
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.
mar. 5/137:19 pmORD - PHX
1 stop15h 30mAlaska Airlines
mar. 5/207:00 amPHX - ORD
1 stop14h 56mAlaska Airlines
Deal found 4/29$244
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/46:10 amPIA - PHX
1 stop6h 12mAmerican Airlines
mié. 6/112:05 pmPHX - PIA
1 stop7h 54mAmerican Airlines
Deal found 4/29$251
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.
lun. 5/266:00 amMLI - PHX
1 stop8h 15mDelta
dom. 8/316:05 amPHX - MLI
1 stop8h 17mDelta
Deal found 4/28$253
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.
jue. 6/268:38 pmORD - PHX
1 stop28h 06mSun Country Air
dom. 6/294:26 pmPHX - ORD
1 stop22h 49mSun Country Air
Deal found 4/28$255

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 abril 30, 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

lun. 6/2

3:18 pm-5:20 pm

Nonstop4h 02m

Phoenix Sky Harbor Intl

lun. 6/9

6:15 pm-11:47 pm

Nonstop3h 32m

$176

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 5/17

9:02 pm-8:13 am

1 stop13h 11m

Phoenix Sky Harbor Intl

mar. 5/20

5:54 pm-6:50 pm

1 stop22h 56m

$177

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mié. 5/28

9:02 pm-8:13 am

1 stop13h 11m

Phoenix Sky Harbor Intl

vie. 5/30

9:19 am-5:25 am

1 stop18h 06m

$178

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

mar. 5/27

2:44 pm-7:26 pm

1 stop6h 42m

Phoenix Sky Harbor Intl

mié. 5/28

12:55 pm-10:36 pm

1 stop7h 41m

$193

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mar. 5/20

6:00 am-7:52 am

Nonstop3h 52m

Phoenix Sky Harbor Intl

mar. 5/27

11:45 pm-5:13 am

Nonstop3h 28m

$224

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

mar. 5/20

6:00 am-12:15 pm

1 stop8h 15m

Phoenix Sky Harbor Intl

mar. 5/20

12:45 am-8:36 am

1 stop5h 51m

$237

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mar. 5/20

7:30 am-12:11 pm

1 stop6h 41m

Phoenix Sky Harbor Intl

mar. 5/20

12:45 am-8:24 am

1 stop5h 39m

$237

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

vie. 5/30

8:45 am-10:35 am

Nonstop3h 50m

Phoenix Sky Harbor Intl

mar. 6/3

5:15 pm-10:35 pm

Nonstop3h 20m

$242

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mar. 5/13

9:00 am-4:28 pm

1 stop9h 28m

Phoenix Sky Harbor Intl

mar. 5/20

7:00 am-11:56 pm

1 stop14h 56m

$244

PeoriaPhoenix

PIA - PHX

PIAPHX

Greater Peoria

mié. 6/4

6:10 am-12:10 pm

1 stop8h 00m

Phoenix Sky Harbor Intl

mar. 6/10

12:30 am-9:35 am

1 stop7h 05m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 abril 30, 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 abril 30, 2025.

The most flights from USIL to MS9 are scheduled on a Sunday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (45 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 abril 30, 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
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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 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 $88. Users have also found prices from $94 and $117 on Spirit Airlines and American Airlines, respectively.

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

    While some choose either Chicago Midway - Phoenix Sky Harbor Intl or Lambert-St Louis - 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 (90%), Air Canada (89%), Emirates( 88%).

  • What are the cheapest flights from Illinois to Mesa?

    On average you can expect to pay $622 for a flight from Illinois to Mesa. The cheapest flight overall is $89 while the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl) is currently priced at $160.

  • 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$105Average$218FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$113Average$265FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$174Average$480FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$176Average$387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$361FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$377FlexibilityNo cancel feeOn-time63%

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