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.

$245 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

Recent round-trip flight deals from Illinois to Flagstaff

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

$548American Airlines

Fri, Dec 11 - Wed, Dec 16

6:52 am - 12:14 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 22m1 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

$578American Airlines

Tue, Dec 15 - Thu, Dec 24

1:26 pm - 6:39 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

6h 13m1 stop Phoenix Sky Harbor Intl

1:16 pm - 10:05 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 49m1 stop Dallas/Fort Worth

$578American Airlines

Mon, Apr 5 - Sat, Apr 10

5:29 pm - 10:59 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 30m1 stop Phoenix Sky Harbor Intl

7:52 pm - 5:24 amFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

7h 32m1 stop Phoenix Sky Harbor Intl

$578American Airlines

Thu, Apr 22 - Sat, Apr 24

1:20 pm - 6:42 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 22m1 stop Phoenix Sky Harbor Intl

12:05 pm - 8:07 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

6h 02m1 stop Phoenix Sky Harbor Intl

$598American Airlines

Fri, Feb 26 - Mon, Mar 1

5:29 pm - 11:59 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

7h 30m1 stop Phoenix Sky Harbor Intl

12:55 pm - 10:05 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

8h 10m1 stop Dallas/Fort Worth

$608American Airlines

Thu, Dec 3 - Thu, Dec 10

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

6h 53m1 stop Dallas/Fort Worth

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

7h 14m1 stop Phoenix Sky Harbor Intl

$608American Airlines

Wed, Dec 23 - Mon, Dec 28

5:00 am - 12:13 pmORD Chicago O'Hare Intl-FLG Flagstaff Pulliam

8h 13m1 stop Phoenix Sky Harbor Intl

1:16 pm - 11:03 pmFLG Flagstaff Pulliam-ORD Chicago O'Hare Intl

8h 47m1 stop Dallas/Fort Worth

$617American Airlines

Wed, Nov 18 - Mon, Nov 23

6:05 am - 6:35 pmSPI Springfield Capital-FLG Flagstaff Pulliam

13h 30m3 stops Chicago O'Hare Intl Austin Bergstrom Phoenix Sky Harbor Intl

12:40 pm - 12:13 amFLG Flagstaff Pulliam-SPI Springfield Capital

10h 33m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$943American Airlines

Wed, Nov 18 - Mon, Nov 23

6:05 am - 6:35 pmSPI Springfield Capital-FLG Flagstaff Pulliam

13h 30m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

3:00 pm - 12:13 amFLG Flagstaff Pulliam-SPI Springfield Capital

8h 13m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$973American Airlines

Useful Info

Low season	December
High season	May
Cheapest flight	$245

Best time to beat the crowds but there is an average 5% 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.