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Cheap flights from Chicago O'Hare Intl Airport to Phoenix from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Phoenix departing on 8/31. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Phoenix

Cheap round-trip flights

Frontier Logo
3:20 pm - 5:14 pmORD-PHX
3h 54mnonstop
Frontier Logo
7:25 am - 1:08 pmPHX-ORD
3h 43mnonstop
$107Frontier
Find Deal
Thu, Aug 28 - Sun, Aug 31
Frontier Logo
2:54 pm - 4:54 pmORD-PHX
4h 00mnonstop
Frontier Logo
6:29 pm - 11:03 pmPHX-ORD
3h 34mnonstop
$111Frontier
Find Deal
Fri, Oct 31 - Sun, Nov 2
Frontier Logo
3:20 pm - 5:14 pmORD-PHX
3h 54mnonstop
Frontier Logo
10:30 am - 4:15 pmPHX-ORD
3h 45mnonstop
$113Frontier
Find Deal
Thu, Aug 21 - Mon, Aug 25
Frontier Logo
3:20 pm - 5:14 pmORD-PHX
3h 54mnonstop
Frontier Logo
7:25 am - 1:08 pmPHX-ORD
3h 43mnonstop
$117Frontier
Find Deal
Thu, Aug 28 - Sun, Aug 31
Frontier Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
Frontier Logo
5:06 pm - 10:40 pmPHX-ORD
3h 34mnonstop
$118Frontier
Find Deal
Mon, Sep 15 - Fri, Sep 19
Frontier Logo
2:13 pm - 4:19 pmORD-PHX
4h 06mnonstop
Frontier Logo
5:06 pm - 10:40 pmPHX-ORD
3h 34mnonstop
$119Frontier
Find Deal
Sun, Aug 31 - Thu, Sep 4
Frontier Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
Frontier Logo
5:06 pm - 10:40 pmPHX-ORD
3h 34mnonstop
$121Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
Frontier Logo
2:15 pm - 4:21 pmORD-PHX
4h 06mnonstop
Frontier Logo
7:25 am - 1:08 pmPHX-ORD
3h 43mnonstop
$122Frontier
Find Deal
Fri, Aug 15 - Sun, Aug 24
Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
Logo
12:14 pm - 10:48 pmPHX-ORD
8h 34m1 stop
$157
Find Deal
Thu, Sep 11 - Sun, Sep 14
Logo
2:07 pm - 4:11 pmORD-PHX
4h 04mnonstop
Logo
12:14 pm - 10:48 pmPHX-ORD
8h 34m1 stop
$159
Find Deal
Mon, Sep 15 - Thu, Sep 18

Frontier flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Aug 28
ORD3:20 pmChicago O'Hare Intl
3h 54m
PHX5:14 pmPhoenix Sky Harbor Intl
Aug 31
PHX7:25 amPhoenix Sky Harbor Intl
3h 43m
ORD1:08 pmChicago O'Hare Intl
$107
Find similar
Frontier
Oct 31
ORD2:54 pmChicago O'Hare Intl
4h 00m
PHX4:54 pmPhoenix Sky Harbor Intl
Nov 2
PHX6:29 pmPhoenix Sky Harbor Intl
3h 34m
ORD11:03 pmChicago O'Hare Intl
$111
Find similar
Frontier
Aug 21
ORD3:20 pmChicago O'Hare Intl
3h 54m
PHX5:14 pmPhoenix Sky Harbor Intl
Aug 25
PHX10:30 amPhoenix Sky Harbor Intl
3h 45m
ORD4:15 pmChicago O'Hare Intl
$113
Find similar

American Airlines flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Our best American Airlines deals on Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines
Aug 6
ORD8:25 pmChicago O'Hare Intl
3h 46m
PHX10:11 pmPhoenix Sky Harbor Intl
Aug 13
PHX4:59 pmPhoenix Sky Harbor Intl
3h 44m
ORD10:43 pmChicago O'Hare Intl
$238
Find similar
American Airlines
Aug 7
ORD8:00 amChicago O'Hare Intl
3h 39m
PHX9:39 amPhoenix Sky Harbor Intl
Aug 12
PHX3:25 pmPhoenix Sky Harbor Intl
3h 32m
ORD8:57 pmChicago O'Hare Intl
$257
Find similar
American Airlines
Aug 6
ORD9:50 amChicago O'Hare Intl
6h 46m
1 stop
PHX2:36 pmPhoenix Sky Harbor Intl
Aug 13
PHX4:59 pmPhoenix Sky Harbor Intl
3h 44m
ORD10:43 pmChicago O'Hare Intl
$267
Find similar

See travel insights to Phoenix from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

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 Phoenix Sky Harbor Intl Airport?

In general, August is the cheapest month to fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of August, then departing from Chicago O'Hare Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $218.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $303. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $391. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $274. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $350. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago O'Hare Intl to Phoenix Sky Harbor Intl flight route?

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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport for as low as $243 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Phoenix Sky Harbor Intl flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Phoenix Sky Harbor Intl 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 Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flight.

How have Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of July 2025, prices for Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport (ORD to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Best Price Found

$56

Fastest flight time

3h 46m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $56. The best round-trip flight deal from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $107.
The fastest flight from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport takes 3h 46m
Direct flights go from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport every day.
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  • How far is Chicago O'Hare Intl to Phoenix Sky Harbor Intl by plane?

    Phoenix Sky Harbor Intl is 1435.8 mi away from Chicago O'Hare Intl. Typically, this will take 3h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport?

    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 Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents you'll need for your trip to Phoenix Sky Harbor Intl Airport 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 Phoenix Sky Harbor Intl Airport. 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 Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $83Free CancellationRating
5.9
3,244 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $154Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $178Free CancellationRating
7.4
8,876 reviews
Search United Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,967 reviews
Search Delta flights

  • Southwest Flights From Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

    Southwest operates around 7 flights from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport every week. The average price of these flights found in the last 72 hours has been $368, but momondo users have found Southwest deals from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport from as low as $207 round-trip. Southwest has been scored 8.0/10 in 4,235 reviews.

  • United Airlines Flights From Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport

    $178 is the best United Airlines flight deal from Chicago O'Hare Intl Airport to Phoenix Sky Harbor Intl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $370, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,876 user reviews) flies into Phoenix Sky Harbor Intl Airport from Chicago O'Hare Intl Airport 25 times in an average week so prices can vary.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Buckeye
Wickenburg
Apache Junction
Payson
Goodyear
Paradise Valley
Camp Verde
Avondale
Fountain Hills
Cave Creek
Litchfield Park

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Phoenix. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Phoenix from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phoenix from Chicago.

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

If you are not ready to book a flight from Chicago to Phoenix now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phoenix and let you know when they change.

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