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>

$251 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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Cheap Flights from Illinois to Flagstaff

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Flagstaff

Tue, May 12 - Sat, May 16

7:12 am - 11:55 am

STL

FLG

6h 43m

1 stop

5:01 pm - 12:12 am

FLG

STL

5h 11m

1 stop

$474American Airlines

Tue, May 12 - Sat, May 16

8:55 am - 6:44 pm

STL

FLG

11h 49m

2 stops

5:01 pm - 12:12 am

FLG

STL

5h 11m

1 stop

$484American Airlines

Tue, May 12 - Sat, May 16

12:27 pm - 6:44 pm

STL

FLG

8h 17m

2 stops

6:21 am - 5:21 pm

FLG

STL

9h 00m

2 stops

$489American Airlines

Sat, May 9 - Tue, May 12

12:05 pm - 6:42 pm

ORD

FLG

8h 37m

1 stop

5:01 pm - 12:32 am

FLG

ORD

5h 31m

1 stop

$498American Airlines

Sat, May 16 - Wed, May 20

7:06 pm - 10:57 pm

ORD

FLG

5h 51m

1 stop

12:21 pm - 10:20 pm

FLG

ORD

7h 59m

1 stop

$500American Airlines

Tue, May 5 - Tue, May 12

1:20 pm - 6:44 pm

ORD

FLG

7h 24m

1 stop

11:41 am - 9:15 pm

FLG

ORD

7h 34m

1 stop

$501American Airlines

Wed, Sep 2 - Wed, Sep 9

10:35 am - 5:37 pm

ORD

FLG

9h 02m

2 stops

12:15 pm - 9:06 pm

FLG

ORD

6h 51m

1 stop

$508American Airlines

Sat, May 16 - Wed, May 20

5:00 am - 11:11 am

ORD

FLG

8h 11m

2 stops

5:01 pm - 12:32 am

FLG

ORD

5h 31m

1 stop

$510American Airlines

Sat, May 23 - Wed, May 27

1:25 pm - 7:56 pm

ORD

FLG

8h 31m

2 stops

1:48 pm - 12:42 am

FLG

ORD

8h 54m

2 stops

$513American Airlines

Wed, Apr 22 - Sun, Apr 26

5:00 am - 11:11 am

ORD

FLG

8h 11m

1 stop

7:52 pm - 5:21 am

FLG

ORD

7h 29m

1 stop

$518American Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$251

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly and prices are also 9% lower on average.

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.

Williams

Everything you need to know for your flight to Flagstaff

Airports

Cabin class

Complete your trip

Direct Flights

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Origins

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Information on the airport you'll fly into in Flagstaff

Flagstaff (FLG)

FLG

$251 Find Cheap Flights from Illinois to Flagstaff

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

Cheap Flights 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.

Traveling to a place near Flagstaff?

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