How does KAYAK find such low prices on flights from Illinois to Flagstaff?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Flagstaff. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Flagstaff?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Flagstaff from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Flagstaff?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Flagstaff with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Flagstaff?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Flagstaff from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$140 CHEAP FLIGHTS from Illinois to Flagstaff

FLG

KAYAK searches hundreds of travel sites at once for deals on flights to Flagstaff

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Flights Deals

Cheap Flight Deals from Illinois to Flagstaff

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Flagstaff that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Flagstaff

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Flagstaff.

Discover the best prices for you by selecting your travel dates on KAYAK.

4:45 pm - 9:14 pmORD-FLG

6h 29m1 stop

12:00 pm - 8:57 pmFLG-ORD

6h 57m1 stop

$376American Airlines

Find Deal

Tue, Jun 10 - Fri, Jun 13

5:27 pm - 9:50 pmSTL-FLG

6h 23m1 stop

7:00 am - 2:19 pmFLG-STL

5h 19m1 stop

$436American Airlines

Find Deal

Tue, Jul 15 - Sat, Jul 19

2:18 pm - 5:53 pmSTL-FLG

5h 35m1 stop

10:30 am - 9:26 pmFLG-STL

8h 56m2 stops

$446American Airlines

Find Deal

Thu, May 29 - Tue, Jun 3

9:36 am - 5:53 pmSTL-FLG

10h 17m2 stops

10:30 am - 9:52 pmFLG-STL

9h 22m2 stops

$451American Airlines

Find Deal

Thu, May 29 - Tue, Jun 3

4:45 pm - 9:14 pmORD-FLG

6h 29m1 stop

12:00 pm - 10:48 pmFLG-ORD

8h 48m2 stops

$476American Airlines

Find Deal

Tue, Jun 10 - Fri, Jun 13

6:55 pm - 10:51 pmORD-FLG

5h 56m1 stop

7:00 am - 2:49 pmFLG-ORD

5h 49m1 stop

$486American Airlines

Find Deal

Thu, Aug 7 - Sun, Aug 10

5:32 pm - 9:47 pmSTL-FLG

6h 15m1 stop

8:15 am - 5:30 pmFLG-STL

7h 15m1 stop

$486American Airlines

Find Deal

Thu, Aug 14 - Mon, Aug 18

2:18 pm - 5:53 pmSTL-FLG

5h 35m1 stop

10:30 am - 11:58 pmFLG-STL

11h 28m1 stop

$489American Airlines

Find Deal

Thu, May 29 - Tue, Jun 3

9:23 am - 5:37 pmSTL-FLG

10h 14m2 stops

7:00 am - 4:51 pmFLG-STL

7h 51m1 stop

$496American Airlines

Find Deal

Thu, Aug 14 - Mon, Aug 18

5:00 am - 11:25 amORD-FLG

8h 25m1 stop

9:56 pm - 6:34 amFLG-ORD

6h 38m1 stop

$498American Airlines

Find Deal

Fri, Jul 4 - Sun, Jul 6

Useful Info

Low season	January
High season	October
Cheapest flight	$140

Best time to beat the crowds but there is an average 17% increase in price.

Most popular time to fly with an average 1% increase in price.

Flight from Chicago to Flagstaff

How does KAYAK find such low prices on flights from Illinois to Flagstaff?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Flagstaff.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Flagstaff?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Flagstaff from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Flagstaff?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Flagstaff with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Flagstaff?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Flagstaff from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Flagstaff

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Flagstaff

Flagstaff (FLG)

FLG

$140 Find Cheap Flights from Illinois to Flagstaff

KAYAK searches hundreds of travel sites at once for deals on flights to Flagstaff

Cheap Flight Deals from Illinois to Flagstaff

Recent round-trip flight deals from Illinois to Flagstaff

Recent one-way flight deals from Illinois to Flagstaff

Recent last minute flight deals from Illinois to Flagstaff

Good to know

FAQs for booking flights from Illinois to Flagstaff

How does KAYAK find such low prices on flights from Illinois to Flagstaff?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Flagstaff.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Flagstaff?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Flagstaff from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Flagstaff?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Flagstaff with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Flagstaff?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Flagstaff from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Flagstaff

Information on the airport you'll fly into in Flagstaff

Cabin class types available on flights to Illinois

Complete your trip to Flagstaff with a hotel stay or car rental

Find direct flights for Flagstaff

Flights to other popular destinations

Flights from domestic origins to Flagstaff

Choose which airport to fly into in Flagstaff

Find deals for your return flight