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$55+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PHX
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Round-trip from

$131
(Kiwi.com)

One-way from

$55
(Frontier)

Popular in

December

Cheapest in

September

Average price

$277
From Illinois to Mesa
Search Deals
One-way flight from Illinois to Mesa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($37 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 February 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 febrero 20, 2025.

This Flightnetwork deal was found by Cheapflights users on 2/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/17:25 amMDW - PHX
Nonstop3h 56mFrontier
mié. 4/93:00 pmPHX - MDW
Nonstop3h 22mFrontier
Deal found 2/19$132
This FlightHub deal was found by Cheapflights users on 2/20. 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.
mié. 3/52:58 pmORD - PHX
Nonstop4h 07mMultiple Airlines
jue. 3/63:38 pmPHX - ORD
1 stop14h 04mMultiple Airlines
Deal found 2/20$132
This Mytrip deal was found by Cheapflights users on 2/20. 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. 3/57:42 pmORD - PHX
2 stops24h 25mSpirit Airlines
mar. 3/117:02 pmPHX - ORD
1 stop11h 19mSpirit Airlines
Deal found 2/20$133
This Frontier deal was found by Cheapflights users on 2/20. 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.
sáb. 4/57:02 pmORD - PHX
Nonstop4h 17mFrontier
jue. 4/107:39 pmPHX - ORD
Nonstop3h 19mFrontier
Deal found 2/20$138
This American Airlines deal was found by Cheapflights users on 2/20. 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. 4/26:00 amMLI - PHX
1 stop7h 20mAmerican Airlines
vie. 4/41:09 amPHX - MLI
1 stop7h 42mAmerican Airlines
Deal found 2/20$209
This American Airlines deal was found by Cheapflights users on 2/20. 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. 3/258:25 pmORD - PHX
Nonstop4h 04mAmerican Airlines
lun. 4/71:09 amPHX - ORD
Nonstop3h 23mAmerican Airlines
Deal found 2/20$217
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/65:24 pmSTL - PHX
1 stop30h 52mFrontier
jue. 3/137:00 pmPHX - STL
1 stop12h 16mFrontier
Deal found 2/20$218
This Delta deal was found by Cheapflights users on 2/20. 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. 4/810:25 amMDW - PHX
1 stop7h 49mDelta
mar. 4/1510:59 pmPHX - MDW
1 stop7h 41mDelta
Deal found 2/20$237
This Delta deal was found by Cheapflights users on 2/20. 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.
mié. 3/267:15 pmORD - PHX
1 stop6h 38mDelta
mar. 4/811:59 pmPHX - ORD
1 stop6h 43mDelta
Deal found 2/20$237
This Mytrip deal was found by Cheapflights users on 2/20. 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.
lun. 4/710:59 amMDW - PHX
1 stop28h 22mMultiple Airlines
jue. 4/109:24 amPHX - MDW
1 stop22h 45mMultiple Airlines
Deal found 2/20$252
This Southwest deal was found by Cheapflights users on 2/20. 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.
lun. 3/3111:05 amMDW - PHX
Nonstop3h 50mSouthwest
mié. 4/97:05 pmPHX - MDW
Nonstop3h 20mSouthwest
Deal found 2/20$267
This Southwest deal was found by Cheapflights users on 2/20. 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.
lun. 3/312:50 pmORD - PHX
Nonstop3h 55mSouthwest
mié. 4/94:50 pmPHX - ORD
Nonstop3h 30mSouthwest
Deal found 2/20$267

Find flights from Illinois to Mesa within your budget

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 febrero 20, 2025.

Fly from

Illinois

Fly to

Mesa

Route

Depart

Return

Price

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

mar. 4/1

7:25 am-9:21 am

Nonstop3h 56m

Phoenix Sky Harbor Intl

mié. 4/9

3:00 pm-8:22 pm

Nonstop3h 22m

$132

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mié. 3/5

2:58 pm-6:05 pm

Nonstop4h 07m

Phoenix Sky Harbor Intl

dom. 3/9

2:12 pm-6:42 am

1 stop14h 30m

$132

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mié. 3/5

7:42 pm-7:07 pm

2 stops24h 25m

Phoenix Sky Harbor Intl

mar. 3/11

7:02 pm-8:21 am

1 stop11h 19m

$133

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

sáb. 4/5

7:02 pm-9:19 pm

Nonstop4h 17m

Phoenix Sky Harbor Intl

vie. 4/11

10:38 am-4:14 pm

Nonstop3h 36m

$138

MolinePhoenix

MLI - PHX

MLIPHX

Moline Quad-City

mié. 4/2

6:00 am-11:20 am

1 stop7h 20m

Phoenix Sky Harbor Intl

vie. 4/4

1:09 am-10:51 am

1 stop7h 42m

$209

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mar. 3/25

8:25 pm-10:29 pm

Nonstop4h 04m

Phoenix Sky Harbor Intl

mar. 4/1

11:45 pm-5:08 am

Nonstop3h 23m

$217

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

jue. 3/6

5:24 pm-11:16 pm

1 stop30h 52m

Phoenix Sky Harbor Intl

jue. 3/13

7:00 pm-9:16 am

1 stop12h 16m

$218

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

mar. 4/8

10:25 am-4:14 pm

1 stop7h 49m

Phoenix Sky Harbor Intl

mar. 4/15

10:59 pm-8:40 am

1 stop7h 41m

$237

ChicagoPhoenix

ORD - PHX

ORDPHX

Chicago O'Hare Intl

mié. 3/26

7:15 pm-11:53 pm

1 stop6h 38m

Phoenix Sky Harbor Intl

mar. 4/8

11:59 pm-8:42 am

1 stop6h 43m

$237

ChicagoPhoenix

MDW - PHX

MDWPHX

Chicago Midway

lun. 4/7

10:59 am-1:21 pm

1 stop28h 22m

Phoenix Sky Harbor Intl

jue. 4/10

9:24 am-10:09 am

1 stop22h 45m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Illinois to Mesa

Get recent, data-driven insights about flights from Illinois to Mesa including ideal travel times, pricing trends, and more.

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 febrero 20, 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 febrero 20, 2025.

The most flights from USIL to MS9 are scheduled on a Thursday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 febrero 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $55. Users have also found prices from $76 and $105 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: Qatar Airways (96%), Brussels Airlines (92%), Gulf Air( 91%).

  • What are the cheapest flights from Illinois to Mesa?

    On average you can expect to pay $718 for a flight from Illinois to Mesa. The cheapest flight overall is $69 while the most popular route, (Chicago O'Hare Intl - Phoenix Sky Harbor Intl) is currently priced at $87.

  • 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$240FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$113Average$268FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$165Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$172Average$503FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$378FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$451FlexibilityNo cancel feeOn-timeN/A
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