How far in advance should I book tickets for a flight with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport?

Generally, when trying to get a below average price for your ticket, try to book around 9 days before departure. For the cheapest possible price, our data suggests booking 60 days before departure.

Is United Airlines the cheapest airline to fly with from Chicago to Phoenix Sky Harbor Intl Airport?

With an average price of $325 return, United Airlines is not the cheapest airline to fly from Chicago to Phoenix Sky Harbor Intl Airport with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $199 on average.

Does United Airlines fly direct to Phoenix Sky Harbor Intl Airport from Chicago?

Yes, United Airlines does offer direct flights for the route, with around 41 flights per week.

What’s the cheapest day of the week to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines?

On average, the cheapest day of the week to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines is Tuesday, when prices are around $81. The most expensive day is generally Saturday, where the average price is around $126.

What’s the cheapest month to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines?

The cheapest month for United Airlines flights to Phoenix Sky Harbor Intl Airport from Chicago is generally September, where plane tickets cost $142 on average. If possible, try to avoid the most expensive months of December and August, where tickets cost $231 and $309 respectively.

$89 Cheap United Airlines Flights from Chicago to Phoenix Sky Harbor Intl Airport

CHI - PHX

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Cheap United Airlines Flight Deals from Chicago to Phoenix Sky Harbor Intl Airport

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One-way

Last minute

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Recent round-trip United Airlines flight deals from Chicago to Phoenix Sky Harbor Intl Airport

Sa, Apr 25 - So, Apr 26

11:08 am - 1:11 pm

ORD

PHX

4h 03mnonstop

11:59 pm - 5:29 am

PHX

ORD

3h 30mnonstop

$160United Airlines

Mi, Mai 20 - Sa, Mai 30

9:25 pm - 11:33 pm

ORD

PHX

4h 08mnonstop

11:50 pm - 5:17 am

PHX

ORD

3h 27mnonstop

$170United Airlines

Sa, Apr 25 - Sa, Mai 2

12:55 pm - 2:58 pm

ORD

PHX

4h 03mnonstop

12:43 pm - 6:22 pm

PHX

ORD

3h 39mnonstop

$177United Airlines

Mi, Mai 13 - Sa, Mai 16

2:20 pm - 7:02 pm

ORD

PHX

6h 42m

1 stop

11:30 pm - 5:01 am

PHX

ORD

3h 31mnonstop

$180United Airlines

Sa, Apr 18 - Mi, Apr 22

7:20 am - 9:22 am

ORD

PHX

4h 02mnonstop

6:00 pm - 11:30 pm

PHX

ORD

3h 30mnonstop

$197United Airlines

Sa, Mai 23 - Sa, Mai 30

8:13 pm - 10:10 pm

ORD

PHX

3h 57mnonstop

11:50 pm - 5:17 am

PHX

ORD

3h 27mnonstop

$203United Airlines

Sa, Apr 25 - Sa, Mai 2

9:10 am - 11:20 am

ORD

PHX

4h 10mnonstop

4:39 pm - 12:58 am

PHX

ORD

6h 19m

1 stop

$207United Airlines

Fr, Mai 22 - Sa, Mai 30

9:28 pm - 11:22 pm

ORD

PHX

3h 54mnonstop

11:50 pm - 5:17 am

PHX

ORD

3h 27mnonstop

$210United Airlines

Mi, Mai 20 - Sa, Mai 30

9:25 pm - 11:33 pm

ORD

PHX

4h 08mnonstop

4:12 pm - 12:45 am

PHX

ORD

6h 33m

1 stop

$216United Airlines

Fr, Apr 17 - So, Apr 19

12:55 pm - 2:58 pm

ORD

PHX

4h 03mnonstop

11:59 pm - 5:29 am

PHX

ORD

3h 30mnonstop

$217United Airlines

Useful Info

Low season	August
High season	March
Cheapest flight	$89
Average price round-trip	$335

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 17% increase in price.

Flight from Chicago O'Hare Airport to Phoenix Sky Harbor Airport

(price for this month)

When to Book Flights with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport

Average price per month

Flight prices as travel date approaches

How far in advance should I book tickets for a flight with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport?
Generally, when trying to get a below average price for your ticket, try to book around 9 days before departure. For the cheapest possible price, our data suggests booking 60 days before departure.
Is United Airlines the cheapest airline to fly with from Chicago to Phoenix Sky Harbor Intl Airport?
With an average price of $325 return, United Airlines is not the cheapest airline to fly from Chicago to Phoenix Sky Harbor Intl Airport with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $199 on average.
What is the cheapest United Airlines flight from Chicago to Phoenix Sky Harbor Intl Airport?
In the last 3 days, the lowest price for a flight with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport was $109 for a return flight and $43 for a one-way flight.
Does United Airlines fly direct to Phoenix Sky Harbor Intl Airport from Chicago?
Yes, United Airlines does offer direct flights for the route, with around 41 flights per week.
What’s the cheapest day of the week to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines?
On average, the cheapest day of the week to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines is Tuesday, when prices are around $81. The most expensive day is generally Saturday, where the average price is around $126.
What’s the cheapest month to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines?
The cheapest month for United Airlines flights to Phoenix Sky Harbor Intl Airport from Chicago is generally September, where plane tickets cost $142 on average. If possible, try to avoid the most expensive months of December and August, where tickets cost $231 and $309 respectively.

7.4

Good9,321 verified ratings

7.7Boarding

6.6Food

7.1Entertainment

7.3Comfort

8.1Crew

8.0 Very good

Verified traveler, Feb 2026

IAD

CLT

Fine flight

8.0 Very good

Dr. Joseph, Feb 2026

ORD

DCA

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

2.0 Poor

Verified traveler, Feb 2026

MUC

EWR

Nothing also dont give to people that disgusting blanket and pilow.

6.0 Okay

George, Feb 2026

SFO

PSP

it was a very short flight so my expectations were low.

6.0 Okay

Verified traveler, Feb 2026

PTY

IAH

Good until I was put on air canada flight Houston Vancouver not even one cookie

10.0 Wonderful

Virginie, Feb 2026

ZRH

MIA

This is the best airline company on this planet!!!

2.0 Poor

Verified traveler, Feb 2026

GUM

HNL

So bad, flight was been cancelled due to aircraft problem, so ended up buying anothet ticket.

10.0 Wonderful

Wayne, Feb 2026

LIH

DEN

As great a red-eye flight as red-eye flights can be.

10.0 Wonderful

Thomas W., Feb 2026

ATL

IAH

Better plane on short flight than Øn longer flights

8.0 Very good

Verified traveler, Feb 2026

EWR

EDI

Once boarding started it was pretty quick. Food was inedible; cold and salty..

Everything you need to know for your flight from Chicago to Phoenix Sky Harbor Intl Airport

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CHI - PHX

$89 Find Cheap United Airlines Flights from Chicago to Phoenix Sky Harbor Intl Airport

Search hundreds of travel sites at once for deals on United Airlines flights from Chicago to Phoenix Sky Harbor Intl Airport

Cheap United Airlines Flight Deals from Chicago to Phoenix Sky Harbor Intl Airport

Recent round-trip United Airlines flight deals from Chicago to Phoenix Sky Harbor Intl Airport

Recent one-way United Airlines flight deals from Chicago to Phoenix Sky Harbor Intl Airport

Recent last minute United Airlines flight deals from Chicago to Phoenix Sky Harbor Intl Airport

Recent direct United Airlines flight deals from Chicago to Phoenix Sky Harbor Intl Airport

Good to know

When to Book Flights with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport

FAQs for flying to Phoenix Sky Harbor Intl Airport with United Airlines

How far in advance should I book tickets for a flight with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport?

Generally, when trying to get a below average price for your ticket, try to book around 9 days before departure. For the cheapest possible price, our data suggests booking 60 days before departure.

Is United Airlines the cheapest airline to fly with from Chicago to Phoenix Sky Harbor Intl Airport?

With an average price of $325 return, United Airlines is not the cheapest airline to fly from Chicago to Phoenix Sky Harbor Intl Airport with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $199 on average.

What is the cheapest United Airlines flight from Chicago to Phoenix Sky Harbor Intl Airport?

In the last 3 days, the lowest price for a flight with United Airlines from Chicago to Phoenix Sky Harbor Intl Airport was $109 for a return flight and $43 for a one-way flight.

Does United Airlines fly direct to Phoenix Sky Harbor Intl Airport from Chicago?

Yes, United Airlines does offer direct flights for the route, with around 41 flights per week.

What’s the cheapest day of the week to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines?

On average, the cheapest day of the week to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines is Tuesday, when prices are around $81. The most expensive day is generally Saturday, where the average price is around $126.

What’s the cheapest month to fly from Chicago to Phoenix Sky Harbor Intl Airport with United Airlines?

The cheapest month for United Airlines flights to Phoenix Sky Harbor Intl Airport from Chicago is generally September, where plane tickets cost $142 on average. If possible, try to avoid the most expensive months of December and August, where tickets cost $231 and $309 respectively.

United Airlines Customer Reviews

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Everything you need to know for your flight from Chicago to Phoenix Sky Harbor Intl Airport

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