Cheap flights from Chicago O'Hare Intl Airport to Phoenix from $79
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 8/8. 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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1 adult
Economy
0 bags
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Frontier flights from Chicago O'Hare Intl Airport to Phoenix
Our best Frontier deals on Chicago O'Hare Intl Airport to Phoenix flight tickets
Frontier![Frontier]()
Aug 29![Frontier]()
Aug 31
ORD7:35 amChicago O'Hare Intl
3h 50m
PHX9:25 amPhoenix Sky Harbor Intl
PHX7:25 amPhoenix Sky Harbor Intl
3h 43m
ORD1:08 pmChicago O'Hare Intl
Frontier![Frontier]()
Aug 1![Frontier]()
Aug 8
ORD2:15 pmChicago O'Hare Intl
4h 06m
PHX4:21 pmPhoenix Sky Harbor Intl
PHX5:11 pmPhoenix Sky Harbor Intl
3h 44m
ORD10:55 pmChicago O'Hare Intl
United Airlines flights from Chicago O'Hare Intl Airport to Phoenix
Our best United Airlines deals on Chicago O'Hare Intl Airport to Phoenix flight tickets
United Airlines![United Airlines]()
Sep 3![United Airlines]()
Sep 9
ORD7:50 pmChicago O'Hare Intl
3h 57m
PHX9:47 pmPhoenix Sky Harbor Intl
PHX7:04 amPhoenix Sky Harbor Intl
3h 39m
ORD12:43 pmChicago O'Hare Intl
United Airlines![United Airlines]()
Aug 6![United Airlines]()
Aug 11
ORD9:15 amChicago O'Hare Intl
3h 54m
PHX11:09 amPhoenix Sky Harbor Intl
PHX10:50 amPhoenix Sky Harbor Intl
3h 40m
ORD4:30 pmChicago O'Hare Intl
See travel insights to Phoenix from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Phoenix
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
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Other information
What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Phoenix?
What is the cheapest month to fly to Phoenix?
If you are unable to visit Phoenix 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?
On average, the least expensive day to fly to Phoenix from Chicago O'Hare Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $297. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $387.
What is the cheapest time of day to depart on your flight to Phoenix?
The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $275. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $345 per ticket.
What is the cheapest Chicago O'Hare Intl to Phoenix flight route?
Fly from Chicago O'Hare Intl to Phoenix Sky Harbor Intl for the best Chicago O'Hare Intl - Phoenix flight prices
How far in advance should I book a flight to Phoenix?
You are more likely to see cheaper flights to Phoenix from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Chicago O'Hare Intl Airport for as low as $248 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Phoenix flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Phoenix flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Phoenix?
Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Phoenix
What airlines fly to Phoenix?
American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Phoenix from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 7 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Phoenix on average per day?
48 flights are operational daily from Chicago O'Hare Intl Airport to Phoenix as of June 2025. The most popular departure time for this route is 8:00PM, with 42% of flights per day taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Phoenix on average per week?
337 flights are operational weekly from Chicago O'Hare Intl Airport to Phoenix as of June 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
Cheap Chicago O'Hare Intl Airport to Phoenix flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Phoenix
How far is Chicago O'Hare Intl to Phoenix by plane?
The straight-line distance from Chicago O'Hare Intl to Phoenix is 1439.1 mi. A reasonable flight in good conditions will take 3h 35m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Phoenix?
Prices for flights from Chicago O'Hare Intl Airport to Phoenix refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Phoenix?
As of June 2025, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to Phoenix.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Phoenix?
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.
What documentation or ID do you need to fly to Phoenix?
The travel and health documents you'll need for your trip to Phoenix 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Chicago O'Hare Intl Airport to Phoenix
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Phoenix with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $69 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 6.3 8,065 reviews | |||
| PriceFrom $154 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $171 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,964 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Phoenix?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Phoenix. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to Phoenix with flexible booking policies on momondo?
All flight searches from Chicago to Phoenix on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Phoenix?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Phoenix.
I’m not ready to book a flight from Chicago to Phoenix right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to Phoenix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.