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 14 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 $326 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 $216 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 46 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 $134.

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 March and August, where tickets cost $268 and $309 respectively.

$119 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

Tue, Apr 14 - Tue, Apr 21

7:20 am - 9:22 am

ORD

PHX

4h 02mnonstop

7:00 am - 12:36 pm

PHX

ORD

3h 36mnonstop

$237United Airlines

Sat, May 9 - Sat, May 23

7:20 am - 9:23 am

ORD

PHX

4h 03mnonstop

5:49 pm - 11:31 pm

PHX

ORD

3h 42mnonstop

$246United Airlines

Tue, Apr 14 - Tue, Apr 21

3:55 pm - 5:58 pm

ORD

PHX

4h 03mnonstop

12:37 pm - 9:31 pm

PHX

ORD

6h 54m

1 stop

$247United Airlines

Mon, May 4 - Sat, May 9

7:20 am - 9:23 am

ORD

PHX

4h 03mnonstop

6:00 pm - 11:30 pm

PHX

ORD

3h 30mnonstop

$251United Airlines

Sat, May 23 - Tue, May 26

9:28 pm - 11:22 pm

ORD

PHX

3h 54mnonstop

5:49 pm - 11:31 pm

PHX

ORD

3h 42mnonstop

$255United Airlines

Sat, May 23 - Tue, May 26

9:28 pm - 11:22 pm

ORD

PHX

3h 54mnonstop

4:12 pm - 12:45 am

PHX

ORD

6h 33m

1 stop

$256United Airlines

Wed, May 6 - Sun, May 10

7:20 am - 9:23 am

ORD

PHX

4h 03mnonstop

11:30 pm - 5:01 am

PHX

ORD

3h 31mnonstop

$257United Airlines

Thu, May 28 - Sat, Jun 27

9:28 pm - 11:22 pm

ORD

PHX

3h 54mnonstop

5:43 pm - 11:25 pm

PHX

ORD

3h 42mnonstop

$260United Airlines

Tue, Apr 7 - Mon, Apr 13

12:55 pm - 4:54 pm

ORD

PHX

5h 59m

1 stop

6:00 pm - 11:30 pm

PHX

ORD

3h 30mnonstop

$261United Airlines

Sat, Apr 11 - Wed, Apr 15

7:20 am - 9:22 am

ORD

PHX

4h 02mnonstop

12:48 pm - 6:27 pm

PHX

ORD

3h 39mnonstop

$262United Airlines

Useful Info

Low season	August
High season	March
Cheapest flight	$119
Average price round-trip	$397
Good deal one-way	$504

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 24% increase in price.

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

(avg. price over the last 2 weeks)

or less

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 14 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 $326 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 $216 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 $148 for a return flight and $54 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 46 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 $134.
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 March and August, where tickets cost $268 and $309 respectively.

7.4

Good9,455 verified ratings

8.1Crew

7.3Comfort

7.1Entertainment

7.7Boarding

6.6Food

8.0 Very good

Laba, Mar 2026

DEN

YEG

ticket agent lady wás very helpful , she arranged wheel chair for my elderly mother

2.0 Poor

La Vetra, Mar 2026

IAH

PTY

Didn't make the flight because the first leg of my flight was canceled and the next leg was already booked.

2.0 Poor

La Vetra, Mar 2026

LAX

IAH

My flight was canceled a few hours before boarding. I was rebooked on Copa airlines and missed an important meeting .

10.0 Wonderful

Verified traveler, Mar 2026

MNL

SFO

The head flight attendant made the trip excellent. He was very accommodating.

8.0 Very good

Matthew, Mar 2026

IAD

CMH

Good quick flight on a small but comfortable plane. I'm 6'3 and had plenty of space.

8.0 Very good

Matthew, Mar 2026

CDG

IAD

Offered to check carry on to final destination. This is the most absurd thing in the world. I'm carrying on because I need what is in the carry-on. I'm okay with picking up at next stop but then I will be on much larger plane that can accommodate it. Also, if there is ever a change to your flight. Go to the airport and have the people there fix your ticket. Don't do it over the phone or online with United they screwed us up and ended up with flights for our last leg that took off before our first leg.

4.0 Mediocre

Verified traveler, Mar 2026

KIX

SFO

The economy seats on the 777 was not as cramped as I had feared, but the food was terrible.

8.0 Very good

marline, Mar 2026

ORD

IND

8.0 Very good

marline, Mar 2026

FRA

ORD

Good experience

8.0 Very good

marline, Mar 2026

CAI

FRA

Nice, the food wasn’t the best

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

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CHI - PHX

$119 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 14 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 $326 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 $216 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 $148 for a return flight and $54 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 46 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 $134.

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 March and August, where tickets cost $268 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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