Cheap flights from Illinois to Phoenix
ORD — PHX
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Illinois to Phoenix
Keep the following information in mind while searching for Illinois to Phoenix flight deals. Data was last updated September 23, 2026.
Popular in | June |
|---|---|
Cheapest in | January |
Average price | $352 |
Cheapflights Insights
Everything you need to know about your flight from Illinois to Phoenix
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How far ahead should I book a flight from Illinois to Phoenix?
To ensure you get the cheapest price possible for a flight from Illinois to Phoenix, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Illinois to Phoenix?
Currently, January is the cheapest month in which you can book a flight from Illinois to Phoenix (average of $239). Flying from Illinois to Phoenix in June is currently the most expensive (average of $347). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to PHX?
Find hourly flight availability from Illinois to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
When flying from Illinois to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 12% versus a flight in the morning.
What is the cheapest day to fly from Illinois to Phoenix?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Phoenix. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Illinois to Phoenix flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Phoenix
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Phoenix by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Phoenix by cabin class
Find flights from Illinois to Phoenix, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Phoenix flights
Browse other Illinois and Phoenix flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Phoenix flights
Consider these flights traveling from Illinois to Phoenix.
Top 8 airlines flying from Illinois to Phoenix
Discover the top 8 airlines that operate flights from Illinois to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$226 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$274 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$226 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$188 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$425 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$345 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$269 | FlexibilityNo cancel fee | On-time75% |