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$196+ Cheap flights from Flagstaff (FLG) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — ORD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Flagstaff to Illinois

Keep the following information in mind while searching for Flagstaff to Illinois flight deals. Data was last updated July 31, 2025.

Round-trip from

$336
(American Airlines)

One-way from

$196
(American Airlines)
From Flagstaff Pulliam to Illinois
Search Deals
One-way flight from Flagstaff Pulliam to Illinois
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Find flight deals from Flagstaff to Illinois

Cheapest flights from Flagstaff to Illinois
Explore the most affordable flight options available from Flagstaff to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:15 amFLG - ORD
1 stop6h 58mAmerican Airlines
Sun 11/28:30 amORD - FLG
1 stop8h 04mAmerican Airlines
Deal found 7/30$336
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:55 amFLG - PIA
2 stops10h 19mAmerican Airlines
Wed 10/811:16 amPIA - FLG
1 stop8h 09mAmerican Airlines
Deal found 7/29$396
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:20 amFLG - SPI
2 stops10h 01mAmerican Airlines
Sat 11/16:00 amSPI - FLG
2 stops13h 25mAmerican Airlines
Deal found 7/28$481

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flagstaff to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Flagstaff to Illinois that are best for you.

Fly from

Flagstaff

Fly to

Illinois

Route

Depart

Return

Price

FlagstaffChicago

FLG - ORD

FLGORD

Flagstaff Pulliam

Thu 10/30

10:15 am-7:13 pm

1 stop6h 58m

Chicago O'Hare Intl

Sun 11/2

8:30 am-3:34 pm

1 stop8h 04m

$336

FlagstaffPeoria

FLG - PIA

FLGPIA

Flagstaff Pulliam

Thu 10/2

11:55 am-12:14 am

2 stops10h 19m

Greater Peoria

Wed 10/8

11:16 am-5:25 pm

1 stop8h 09m

$396

FlagstaffSpringfield

FLG - SPI

FLGSPI

Flagstaff Pulliam

Tue 10/28

11:20 am-11:21 pm

2 stops10h 01m

Springfield Capital

Sat 11/1

6:00 am-5:25 pm

2 stops13h 25m

$481

FlagstaffChicago

FLG - ORD

FLGORD

Flagstaff Pulliam

Thu 8/21

10:30 am-6:17 pm

1 stop5h 47m

$196

FlagstaffChicago

FLG - ORD

FLGORD

Flagstaff Pulliam

Tue 8/19

8:15 am-8:40 am

2 stops46h 25m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Flagstaff to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Flagstaff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Flagstaff to Illinois

What is the cheapest month to book a flight from Flagstaff to Illinois?

Currently, August is the cheapest month in which you can book a flight from Flagstaff to Illinois (average of $245). Flying from Flagstaff to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines and American Airlines from Flagstaff to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Flagstaff to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Flagstaff to Illinois?

    If you book a flight to Illinois from Flagstaff, you will be flying from Flagstaff Pulliam, which is the city’s only airport. Flagstaff Pulliam (FLG) is located 4.3 mi from the center of Flagstaff.

  • What are the most popular routes from Flagstaff to Illinois?

    When deciding which route to take from Flagstaff to Illinois consider Flagstaff Pulliam - Chicago O'Hare Intl, Flagstaff Pulliam - Greater Peoria or Flagstaff Pulliam - Springfield Capital as they are the most popular.

  • Can I find deals for flights from Flagstaff to Illinois that include hotel bookings?

    Yes. In addition to deals on Flagstaff to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Flagstaff to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Flagstaff to Illinois.

  • Can I find deals for business class flights from Flagstaff to Illinois?

    Yes. Cheapflights offers flight deals from Flagstaff to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Flagstaff to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Flagstaff to Illinois (average of $245). Flying from Flagstaff to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Flagstaff to Illinois

Discover the top airline that operate flights from Flagstaff to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$385Average$613FlexibilityNo cancel feeOn-time71%

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