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.

$390 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

Tue, Nov 10 - Tue, Nov 17

6:59 am - 12:52 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 53m1 stop Dallas/Fort Worth

1:22 pm - 9:12 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 50m1 stop Dallas/Fort Worth

$528American Airlines

Sat, Nov 21 - Wed, Nov 25

5:00 am - 9:39 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

5h 39m1 stop Phoenix Sky Harbor Intl

11:07 am - 5:55 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 48m1 stop Phoenix Sky Harbor Intl

$528American Airlines

Tue, Oct 13 - Tue, Oct 20

5:00 am - 10:04 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 04m1 stop Phoenix Sky Harbor Intl

12:45 pm - 10:10 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 25m1 stop Dallas/Fort Worth

$528American Airlines

Sat, Oct 24 - Tue, Oct 27

6:55 am - 12:05 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 10m1 stop Dallas/Fort Worth

12:45 pm - 9:30 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 45m1 stop Dallas/Fort Worth

$528American Airlines

Thu, Oct 22 - Tue, Oct 27

6:00 am - 12:05 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 05m1 stop Dallas/Fort Worth

12:45 pm - 11:00 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

8h 15m1 stop Dallas/Fort Worth

$538American Airlines

Thu, Oct 22 - Tue, Oct 27

5:00 am - 11:16 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 16m1 stop Phoenix Sky Harbor Intl

10:34 am - 9:00 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

8h 26m1 stop Phoenix Sky Harbor Intl

$538American Airlines

Thu, Oct 22 - Tue, Oct 27

5:00 am - 10:04 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 04m1 stop Phoenix Sky Harbor Intl

10:34 am - 6:02 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 28m1 stop Phoenix Sky Harbor Intl

$558American Airlines

Thu, Feb 4 - Sun, Feb 7

5:00 am - 10:41 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 41m1 stop Phoenix Sky Harbor Intl

12:54 pm - 9:00 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 06m1 stop Phoenix Sky Harbor Intl

$568American Airlines

Sun, Sep 27 - Sat, Oct 3

8:30 am - 11:53 amSTL Lambert-St Louis-FLG Flagstaff Pulliam

5h 23m1 stop Dallas/Fort Worth

6:49 am - 1:44 pmFLG Flagstaff Pulliam-STL Lambert-St Louis

4h 55m1 stop Phoenix Sky Harbor Intl

$575American Airlines

Wed, Sep 30 - Fri, Oct 9

8:00 am - 11:13 amSTL Lambert-St Louis-FLG Flagstaff Pulliam

5h 13m1 stop Phoenix Sky Harbor Intl

12:45 pm - 9:59 pmFLG Flagstaff Pulliam-STL Lambert-St Louis

7h 14m1 stop Dallas/Fort Worth

$575American Airlines

Recent last minute flight deals from Illinois to Flagstaff

Mon, Sep 21 - Sat, Sep 26

5:00 am - 10:07 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 07m1 stop Phoenix Sky Harbor Intl

5:14 pm - 12:30 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 16m1 stop Phoenix Sky Harbor Intl

$636American Airlines

Sat, Sep 19 - Sat, Sep 26

5:00 am - 9:14 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 14m1 stop Dallas/Fort Worth

5:14 pm - 12:30 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 16m1 stop Phoenix Sky Harbor Intl

$696American Airlines

Sun, Sep 20 - Sat, Sep 26

6:59 am - 11:13 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 14m1 stop Phoenix Sky Harbor Intl

5:14 pm - 12:30 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 16m1 stop Phoenix Sky Harbor Intl

$709American Airlines

Sat, Sep 19 - Fri, Sep 25

3:18 pm - 8:07 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 49m1 stop Phoenix Sky Harbor Intl

12:37 pm - 9:09 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 32m1 stop Dallas/Fort Worth

$709American Airlines

Sat, Sep 19 - Sat, Sep 26

5:00 am - 11:53 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 53m1 stop Dallas/Fort Worth

11:43 am - 11:30 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

9h 47m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$716American Airlines

Sat, Sep 19 - Fri, Sep 25

5:00 am - 9:14 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 14m1 stop Dallas/Fort Worth

10:40 am - 11:30 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

10h 50m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$719American Airlines

Mon, Sep 21 - Sat, Sep 26

5:00 am - 3:00 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

12h 00m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

5:14 pm - 12:30 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 16m1 stop Phoenix Sky Harbor Intl

$719American Airlines

Sun, Sep 20 - Sat, Sep 26

5:00 am - 11:13 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 13m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

5:14 pm - 12:30 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

5h 16m1 stop Phoenix Sky Harbor Intl

$719American Airlines

Sat, Sep 19 - Sat, Sep 26

1:46 pm - 8:07 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 21m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

10:40 am - 11:30 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

10h 50m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$731American Airlines

Sat, Sep 19 - Sun, Sep 27

5:00 am - 9:14 amORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 14m1 stop Dallas/Fort Worth

10:40 am - 12:14 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

11h 34m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$784American Airlines

Useful Info

Low season	July
High season	May
Cheapest flight	$390

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly and prices are also 3% 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.