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.

$435 CHEAP FLIGHTS from Illinois to Flagstaff

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Flight Deals

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

Sat, Dec 12 - Tue, Dec 15

11:00 am - 6:39 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 39m1 stop Phoenix Sky Harbor Intl

1:22 pm - 9:11 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 49m1 stop Dallas/Fort Worth

$558American Airlines

Sat, Dec 12 - Sat, Dec 19

5:00 am - 10:42 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 42m1 stop Phoenix Sky Harbor Intl

12:44 pm - 8:40 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 56m1 stop Phoenix Sky Harbor Intl

$558American Airlines

Wed, Feb 10 - Sat, Feb 13

5:00 am - 12:12 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 12m1 stop Phoenix Sky Harbor Intl

10:43 am - 5:54 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 11m1 stop Phoenix Sky Harbor Intl

$558American Airlines

Tue, Feb 16 - Sat, Feb 20

5:00 am - 10:10 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 10m1 stop Phoenix Sky Harbor Intl

1:26 pm - 10:05 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 39m1 stop Dallas/Fort Worth

$558American Airlines

Sat, Dec 12 - Tue, Dec 15

11:00 am - 6:39 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 39m1 stop Phoenix Sky Harbor Intl

1:22 pm - 9:11 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 49m1 stop Dallas/Fort Worth

$568American Airlines

Sat, Dec 12 - Wed, Dec 16

11:00 am - 6:39 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 39m1 stop Phoenix Sky Harbor Intl

12:44 pm - 8:58 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 14m1 stop Phoenix Sky Harbor Intl

$568American Airlines

Sat, Jan 9 - Wed, Jan 13

1:19 pm - 9:00 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 41m1 stop Phoenix Sky Harbor Intl

12:42 pm - 8:54 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 12m1 stop Phoenix Sky Harbor Intl

$568American Airlines

Fri, Dec 25 - Tue, Dec 29

5:00 am - 10:59 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 59m1 stop Phoenix Sky Harbor Intl

6:43 am - 1:52 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 09m1 stop Phoenix Sky Harbor Intl

$588American Airlines

Sat, Dec 5 - Sat, Dec 12

11:00 am - 6:39 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 39m1 stop Phoenix Sky Harbor Intl

12:44 pm - 8:58 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 14m1 stop Phoenix Sky Harbor Intl

$597American Airlines

Thu, Apr 22 - Tue, Apr 27

7:00 am - 11:33 amMLI Moline Quad-City-FLG Flagstaff Pulliam

6h 33m1 stop Dallas/Fort Worth

12:30 pm - 11:54 pmFLG Flagstaff Pulliam-MLI Moline Quad-City

9h 24m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$684American Airlines

Recent last minute flight deals from Illinois to Flagstaff

Thu, Nov 12 - Thu, Dec 3

7:00 pm - 11:43 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

5h 43m1 stop Phoenix Sky Harbor Intl

1:22 pm - 11:04 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

8h 42m1 stop Dallas/Fort Worth

$696American Airlines

Tue, Nov 17 - Sat, Nov 21

7:00 am - 12:52 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

6h 52m1 stop Dallas/Fort Worth

3:00 pm - 11:21 pmFLG Flagstaff Pulliam-MLI Moline Quad-City

7h 21m1 stop Dallas/Fort Worth

$704American Airlines

Thu, Nov 12 - Thu, Dec 3

7:00 pm - 11:43 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

5h 43m1 stop Phoenix Sky Harbor Intl

1:22 pm - 11:04 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

8h 42m1 stop Dallas/Fort Worth

$706American Airlines

Tue, Nov 17 - Sun, Nov 22

7:00 am - 12:52 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

6h 52m1 stop Dallas/Fort Worth

3:00 pm - 11:21 pmFLG Flagstaff Pulliam-MLI Moline Quad-City

7h 21m1 stop Dallas/Fort Worth

$708American Airlines

Tue, Nov 17 - Tue, Nov 24

7:00 am - 12:52 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

6h 52m1 stop Dallas/Fort Worth

11:07 am - 12:07 amFLG Flagstaff Pulliam-MLI Moline Quad-City

12h 00m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$714American Airlines

Tue, Nov 17 - Sat, Nov 21

7:00 am - 12:52 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

6h 52m1 stop Dallas/Fort Worth

12:40 pm - 11:21 pmFLG Flagstaff Pulliam-MLI Moline Quad-City

9h 41m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$714American Airlines

Tue, Nov 17 - Mon, Nov 23

7:00 am - 12:52 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

6h 52m1 stop Dallas/Fort Worth

12:40 pm - 12:07 amFLG Flagstaff Pulliam-MLI Moline Quad-City

10h 27m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$718American Airlines

Tue, Nov 17 - Sun, Nov 22

7:00 am - 6:35 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

12h 35m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

3:00 pm - 11:21 pmFLG Flagstaff Pulliam-MLI Moline Quad-City

7h 21m1 stop Dallas/Fort Worth

$718American Airlines

Tue, Nov 17 - Sat, Nov 21

11:20 am - 6:35 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

8h 15m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

12:40 pm - 11:21 pmFLG Flagstaff Pulliam-MLI Moline Quad-City

9h 41m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$719American Airlines

Tue, Nov 17 - Tue, Nov 24

11:20 am - 6:35 pmMLI Moline Quad-City-FLG Flagstaff Pulliam

8h 15m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

11:07 am - 12:07 amFLG Flagstaff Pulliam-MLI Moline Quad-City

12h 00m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$719American Airlines

Useful Info

Low season	December
High season	May
Cheapest flight	$435

Best time to beat the crowds but there is an average 6% increase in price.

Most popular time to fly and prices are also 4% 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.