Cheap flights from Phoenix Sky Harbor Intl Airport to Illinois from $38
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Illinois departing on 2/12. 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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Cheap round-trip flights
These are some of the best round-trip flight deals from Phoenix Sky Harbor Intl Airport to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Phoenix Sky Harbor Intl Airport to Illinois.
Cheap last minute flights
Planning a quick getaway from Phoenix Sky Harbor Intl Airport to Illinois? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Phoenix Sky Harbor Intl Airport to Illinois
Find recent round-trip train or bus tickets from Phoenix Sky Harbor Intl Airport to Illinois.
All round-trip flight deals from Phoenix Sky Harbor Intl Airport to Illinois
The cheapest plane tickets from Phoenix Sky Harbor Intl Airport to Illinois found on KAYAK recently.
Spirit Airlines flights from Phoenix Sky Harbor Intl Airport to Illinois
Our best Spirit Airlines deals on Phoenix Sky Harbor Intl Airport to Illinois flight tickets
Spirit Airlines![Spirit Airlines]()
Feb 20![Spirit Airlines]()
Feb 23
PHX12:35 pmPhoenix Sky Harbor Intl
8h 15m
1 stop
ORD9:50 pmChicago O'Hare Intl
ORD10:45 pmChicago O'Hare Intl
13h 55m
1 stop
PHX11:40 amPhoenix Sky Harbor Intl
Spirit Airlines![Spirit Airlines]()
Feb 7![Spirit Airlines]()
Feb 10
PHX11:56 amPhoenix Sky Harbor Intl
8h 56m
1 stop
ORD9:52 pmChicago O'Hare Intl
ORD1:35 pmChicago O'Hare Intl
6h 38m
1 stop
PHX7:13 pmPhoenix Sky Harbor Intl
Frontier flights from Phoenix Sky Harbor Intl Airport to Illinois
Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Illinois flight tickets
Frontier![Frontier]()
Feb 12![Frontier]()
Feb 18
PHX7:10 pmPhoenix Sky Harbor Intl
3h 29m
ORD11:39 pmChicago O'Hare Intl
ORD2:58 pmChicago O'Hare Intl
4h 07m
PHX6:05 pmPhoenix Sky Harbor Intl
Frontier![Frontier]()
Feb 15![Frontier]()
Mar 4
PHX8:31 pmPhoenix Sky Harbor Intl
3h 30m
ORD1:01 amChicago O'Hare Intl
ORD2:58 pmChicago O'Hare Intl
4h 07m
PHX6:05 pmPhoenix Sky Harbor Intl
See travel insights to Illinois from
How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Illinois
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
Prices
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Other information
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Phoenix Sky Harbor Intl Airport is in April. Flight prices, which tend to average around $144, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $159.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Illinois is on a Saturday when prices can be found for as low as $222. Flights from Phoenix Sky Harbor Intl Airport to Illinois on a Sunday will generally be more expensive and average around $316. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Phoenix Sky Harbor Intl Airport to Illinois during this time can be as low as $202. Flights at noon are often more expensive with an average ticket price of $269.
What is the cheapest Phoenix Sky Harbor Intl to Illinois flight route?
Fly from Phoenix Sky Harbor Intl to Chicago Midway for the best Phoenix Sky Harbor Intl - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Phoenix Sky Harbor Intl Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $266 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Phoenix Sky Harbor Intl Airport for as low as $221 on momondo.
What cabin class options are available on Phoenix Sky Harbor Intl to Illinois flights?
There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Illinois 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 Phoenix Sky Harbor Intl to Illinois?
Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Illinois
What airlines fly to Illinois?
American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Illinois from Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Phoenix Sky Harbor Intl Airport to Illinois on average per day?
The number of flights available between Phoenix Sky Harbor Intl Airport and Illinois is 51 per day as of January 2025. The most frequent departure time is 11:00AM, with 48% of daily flights leaving at noon.
How many flights depart from Phoenix Sky Harbor Intl Airport to Illinois on average per week?
The number of flights available between Phoenix Sky Harbor Intl Airport and Illinois is 359 per week as of January 2025. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.
Cheap Phoenix Sky Harbor Intl Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Illinois
When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Illinois?
Prices for flights from Phoenix Sky Harbor Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Illinois?
The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Illinois is 6 as of January 2025.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Illinois?
Based on momondo bookings for flights between Phoenix Sky Harbor Intl Airport and Illinois, the leading plane model is Boeing 737-800, making up 18.18% of the total bookings. Other popular models include Airbus A320neo with 11.70%, Boeing 737-900 with 11.45%, and Airbus A321-100/200 with 10.36%.
Best airlines flying from Phoenix Sky Harbor Intl Airport to Illinois
Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $60 | Free Cancellation | Rating 6.0 3,438 reviews | |||
| PriceFrom $65 | Free Cancellation | Rating 6.3 8,101 reviews | |||
| PriceFrom $162 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $164 | Free Cancellation | Rating 7.4 8,965 reviews | |||
| PriceFrom $171 | Free Cancellation | Rating 8.1 4,659 reviews | |||
| PriceFrom $215 | Free Cancellation | Rating 8.0 8,513 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Phoenix to Illinois?
It is quick and easy to find Phoenix to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from Phoenix to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from Phoenix with this policy.
How can momondo help me find flights from Phoenix to Illinois?
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 Illinois from Phoenix.
I’m not ready to book a flight from Phoenix to Illinois right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Phoenix to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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