What airlines fly to Chicago?

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Chicago from Arizona according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 7 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Chicago?

Average flight duration from Arizona to Chicago depends on which airport you fly into and out of. Flying from Phoenix to Chicago O'Hare Intl Airport is 3h 22m on average, while flying from Tucson to Chicago O'Hare Intl Airport is 3h 35m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What is the cheapest airline that flies from Arizona to Chicago?

Frontier, United Airlines, and Southwest are the most popular carriers operating from Arizona to Chicago

How many flights depart from Arizona to Chicago on average per day?

81 flights are operational daily from Arizona to Chicago as of November 2025. The most popular departure time for this route is 12:00PM, with 44% of flights per day taking off at noon.

How many flights depart from Arizona to Chicago on average per week?

As of November 2025, 567 flights take off from Arizona and land in Chicago each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.

When did momondo last update prices for flights from Arizona to Chicago?

Prices for flights from Arizona to Chicago refresh daily.

How many operators does momondo search for flights from Arizona to Chicago?

As of November 2025, there are 7 operators available to choose from for flights from Arizona to Chicago.

How old do you have to be to fly from Arizona to Chicago?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Arizona to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$65 Cheap Flights from Arizona to Chicago in 2025/26

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Cheap round-trip flights

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6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

7:00 am - 11:42 pmORD-LAS

18h 42m1 stop

$94Frontier

Find Deal

Mon, Dec 8 - Mon, Dec 15

12:59 am - 12:12 amLAS-ORD

21h 13m1 stop

12:59 pm - 3:15 pmORD-LAS

4h 16mnonstop

$98Frontier

Find Deal

Thu, Dec 4 - Mon, Dec 8

6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

7:20 am - 11:46 pmORD-LAS

18h 26m1 stop

$103Multiple Airlines

Find Deal

Fri, Dec 5 - Wed, Dec 10

1:16 am - 3:47 pmLAS-ORD

12h 31m1 stop

12:59 pm - 3:15 pmORD-LAS

4h 16mnonstop

$106Multiple Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 15

11:59 pm - 5:32 amLAS-ORD

3h 33mnonstop

4:58 pm - 7:04 pmORD-LAS

4h 06mnonstop

$127Spirit Airlines

Find Deal

Tue, Nov 25 - Thu, Nov 27

11:59 pm - 5:33 amLAS-ORD

3h 34mnonstop

10:50 am - 12:57 pmORD-LAS

4h 07mnonstop

$131United Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

11:40 pm - 5:05 amLAS-MDW

3h 25mnonstop

9:35 pm - 11:30 pmMDW-LAS

3h 55mnonstop

$131Southwest

Find Deal

Thu, Dec 11 - Sun, Dec 14

10:55 am - 4:38 pmLAS-ORD

3h 43mnonstop

9:16 am - 11:29 amORD-LAS

4h 13mnonstop

$136United Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 13

6:20 am - 11:50 amLAS-MDW

3h 30mnonstop

3:40 pm - 5:45 pmMDW-LAS

4h 05mnonstop

$145Southwest

Find Deal

Sat, Jan 17 - Wed, Jan 21

11:59 pm - 5:32 amLAS-ORD

3h 33mnonstop

9:14 pm - 7:19 amORD-LAS

12h 05m1 stop

$151Spirit Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 9

United Airlines flights from Arizona to Chicago

Our best United Airlines deals on Arizona to Chicago flight tickets

United Airlines

Dec 4

LAS11:59 pmLas Vegas Harry Reid Intl

3h 34m

ORD5:33 amChicago O'Hare Intl

Dec 8

ORD10:50 amChicago O'Hare Intl

4h 07m

LAS12:57 pmLas Vegas Harry Reid Intl

$131

Find similar

United Airlines

Dec 3

LAS10:55 amLas Vegas Harry Reid Intl

3h 43m

ORD4:38 pmChicago O'Hare Intl

Dec 13

ORD9:16 amChicago O'Hare Intl

4h 13m

LAS11:29 amLas Vegas Harry Reid Intl

$136

Find similar

United Airlines

Dec 6

PHX1:45 pmPhoenix Sky Harbor Intl

3h 33m

ORD6:18 pmChicago O'Hare Intl

Dec 10

ORD11:15 amChicago O'Hare Intl

4h 00m

PHX2:15 pmPhoenix Sky Harbor Intl

$165

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American Airlines flights from Arizona to Chicago

Our best American Airlines deals on Arizona to Chicago flight tickets

American Airlines

Dec 6

LAS7:00 amLas Vegas Harry Reid Intl

3h 50m

ORD12:50 pmChicago O'Hare Intl

Dec 8

ORD6:55 pmChicago O'Hare Intl

4h 18m

LAS9:13 pmLas Vegas Harry Reid Intl

$141

Find similar

American Airlines

Nov 25

LAS11:55 pmLas Vegas Harry Reid Intl

3h 50m

ORD5:45 amChicago O'Hare Intl

Dec 9

ORD2:50 pmChicago O'Hare Intl

4h 12m

LAS5:02 pmLas Vegas Harry Reid Intl

$155

Find similar

American Airlines

Nov 18

FLG4:04 pmFlagstaff Pulliam

7h 08m

1 stop

ORD12:12 amChicago O'Hare Intl

Nov 22

ORD5:00 amChicago O'Hare Intl

5h 25m

1 stop

FLG9:25 amFlagstaff Pulliam

$516

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Fly from

Fly to

Route

Depart

Return

Price

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Mon 12/8

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Mon 12/15

7:00 am-11:42 pm

1 stop18h 42m

$94

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 12/4

12:59 am-12:12 am

1 stop21h 13m

Chicago O'Hare Intl

Mon 12/8

12:59 pm-3:15 pm

Nonstop4h 16m

$98

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Wed 12/10

7:20 am-11:46 pm

1 stop18h 26m

$103

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

1:16 am-3:47 pm

1 stop12h 31m

Chicago O'Hare Intl

Mon 12/15

12:59 pm-3:15 pm

Nonstop4h 16m

$106

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 11/25

11:59 pm-5:32 am

Nonstop3h 33m

Chicago O'Hare Intl

Thu 11/27

4:58 pm-7:04 pm

Nonstop4h 06m

$127

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 12/4

11:59 pm-5:33 am

Nonstop3h 34m

Chicago O'Hare Intl

Mon 12/8

10:50 am-12:57 pm

Nonstop4h 07m

$131

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Thu 12/11

11:40 pm-5:05 am

Nonstop3h 25m

Chicago Midway

Sun 12/14

9:35 pm-11:30 pm

Nonstop3h 55m

$131

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Wed 12/3

10:55 am-4:38 pm

Nonstop3h 43m

Chicago O'Hare Intl

Sat 12/13

9:16 am-11:29 am

Nonstop4h 13m

$136

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Sat 1/17

6:20 am-11:50 am

Nonstop3h 30m

Chicago Midway

Wed 1/21

3:40 pm-5:45 pm

Nonstop4h 05m

$145

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Tue 11/25

11:59 pm-5:32 am

Nonstop3h 33m

Chicago O'Hare Intl

Tue 12/9

9:14 pm-7:19 am

1 stop12h 05m

$151

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How to get the cheapest flight ticket from Arizona to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Arizona, with most prices found around $216. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from Arizona to Chicago during January average around $218.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $351. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Arizona to Chicago for around $540.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Arizona to Chicago during this time can be as low as $306. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $490.

What is the cheapest Arizona to Chicago flight route?

Fly from Phoenix Sky Harbor Intl to Chicago O'Hare Intl for the best Arizona - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Arizona when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Arizona for as low as $241 on momondo.

What cabin class options are available on Arizona to Chicago flights?

There are 4 cabin classes available to choose from on Arizona to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Arizona to Chicago flights?

No. A direct flight is the cheapest option for a flight between Arizona to Chicago.

Cheap Arizona to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Arizona to Chicago

Best Price Found	$128
Fastest flight time	3h 00m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Chicago	1 airport

The best one-way flight to Chicago from Arizona in the past 72 hours is $128. The best round-trip flight deal from Arizona to Chicago found on momondo in the last 72 hours is $150.

The fastest flight from Arizona to Chicago takes 3h 00m

Direct flights go from Arizona to Chicago on Monday, Tuesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Allegiant Air.

There is 1 airport near Chicago: Chicago Greater Rockford (RFD)

Search flight deals

When did momondo last update prices for flights from Arizona to Chicago?
Prices for flights from Arizona to Chicago refresh daily.
How many operators does momondo search for flights from Arizona to Chicago?
As of November 2025, there are 7 operators available to choose from for flights from Arizona to Chicago.
How old do you have to be to fly from Arizona to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Arizona to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Arizona to Chicago?
Based on momondo bookings for flights between Arizona and Chicago, the leading plane model is Boeing 737-800, making up 17.56% of the total bookings. Other popular models include Airbus A321neo with 14.10%, Boeing 737-900 with 13.73%, and Boeing 737 MAX 8 with 9.69%.

Best airlines flying from Arizona to Chicago

Compare and see reviews for airlines that fly from Arizona to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $79	Free Cancellation	Rating 6.3 8,113 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $99	Free Cancellation	Rating 5.8 3,115 reviews	Search Frontier flights
Allegiant Air	PriceFrom $131	Free Cancellation	Rating 7.2 696 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $149	Free Cancellation	Rating 7.4 9,000 reviews	Search United Airlines flights
Delta	PriceFrom $162	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
American Airlines	PriceFrom $197	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights
Southwest	PriceFrom $205	Free Cancellation	Rating 8.0 4,239 reviews	Search Southwest flights

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Porter

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Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Arizona to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Arizona to Chicago for you.

Can I find flights from Arizona to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Arizona to Chicago flights to just show those with flexible booking policies.

How can momondo help me find flights from Arizona to Chicago?

Once you have performed a search for Arizona to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Arizona to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Arizona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Arizona to Chicago from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Chicago departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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United Airlines flights from Arizona to Chicago

Our best United Airlines deals on Arizona to Chicago flight tickets

American Airlines flights from Arizona to Chicago

Our best American Airlines deals on Arizona to Chicago flight tickets

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Use the filters below to find and compare flights from Arizona to Chicago that are best for you.

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How to get the cheapest flight ticket from Arizona to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Arizona, with most prices found around $216. If you’re not able to fly to Chicago in February, then January is your next best option. Flight prices from Arizona to Chicago during January average around $218.

What is the cheapest day to depart on your flight to Chicago?

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Arizona to Chicago during this time can be as low as $306. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $490.

What is the cheapest Arizona to Chicago flight route?

Fly from Phoenix Sky Harbor Intl to Chicago O'Hare Intl for the best Arizona - Chicago flight prices

How far in advance should I book a flight to Chicago?

What cabin class options are available on Arizona to Chicago flights?

There are 4 cabin classes available to choose from on Arizona to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Arizona to Chicago flights?

No. A direct flight is the cheapest option for a flight between Arizona to Chicago.

What is the cheapest airline that flies from Arizona to Chicago?

Frontier, United Airlines, and Southwest are the most popular carriers operating from Arizona to Chicago

What airlines fly to Chicago?

How many flights depart from Arizona to Chicago on average per day?

81 flights are operational daily from Arizona to Chicago as of November 2025. The most popular departure time for this route is 12:00PM, with 44% of flights per day taking off at noon.

How many flights depart from Arizona to Chicago on average per week?

As of November 2025, 567 flights take off from Arizona and land in Chicago each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.

How long does it take to fly to Chicago?

Cheap Arizona to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Arizona to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

When did momondo last update prices for flights from Arizona to Chicago?

How many operators does momondo search for flights from Arizona to Chicago?

How old do you have to be to fly from Arizona to Chicago?

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from Arizona to Chicago?

Best airlines flying from Arizona to Chicago

Compare and see reviews for airlines that fly from Arizona to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from Arizona to Chicago?

Can I find flights from Arizona to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from Arizona to Chicago?

I’m not ready to book a flight from Arizona to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago