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$394+ Cheap flights from Illinois to Flagstaff (FLG)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FLG
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Flagstaff

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Flagstaff (FLG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$512
(American Airlines)

One-way from

$394
(American Airlines)
From Illinois to Flagstaff Pulliam
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One-way flight from Illinois to Flagstaff Pulliam
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Find flight deals from Illinois to Flagstaff

Cheapest flights from Illinois to Flagstaff
Explore the most affordable flight options available from Illinois to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/20. 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 3/276:00 amORD - FLG
1 stop9h 25mAmerican Airlines
Tue 4/16:30 pmFLG - ORD
1 stop8h 38mAmerican Airlines
Deal found 1/20$512
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 2/285:10 amSTL - FLG
1 stop8h 55mAmerican Airlines
Tue 3/41:37 pmFLG - STL
1 stop19h 22mAmerican Airlines
Deal found 1/21$600
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/176:13 amEVV - FLG
1 stop7h 52mAmerican Airlines
Thu 2/206:00 amFLG - EVV
2 stops8h 10mAmerican Airlines
Deal found 1/20$612

Find flights from Illinois to Flagstaff within your budget

Customize your flight search to find flights from Illinois to Flagstaff 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Thu 3/27

6:00 am-1:25 pm

1 stop9h 25m

Flagstaff Pulliam

Tue 4/1

6:30 pm-5:08 am

1 stop8h 38m

$512

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Fri 2/28

5:10 am-1:05 pm

1 stop8h 55m

Flagstaff Pulliam

Tue 3/4

1:37 pm-9:59 am

1 stop19h 22m

$600

EvansvilleFlagstaff

EVV - FLG

EVVFLG

Evansville Dress Regional

Mon 2/17

6:13 am-1:05 pm

1 stop7h 52m

Flagstaff Pulliam

Thu 2/20

6:00 am-3:10 pm

2 stops8h 10m

$612

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Wed 4/9

2:24 pm-5:52 pm

1 stop5h 28m

$394

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Wed 4/9

7:04 am-10:44 pm

3 stops17h 40m

$1,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Best time to book a flight from Illinois to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Illinois 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.

Travel insights for flights from Illinois to Flagstaff

Get recent, data-driven insights about flights from Illinois to Flagstaff including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Flagstaff (average of $567). Flying from Illinois to Flagstaff in March is currently the most expensive (average of $661). 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.

What is the cheapest time of day to fly from IL to FLG?

Find hourly flight availability from Illinois to Flagstaff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Flagstaff as you normally would.

Rainfall in Flagstaff by month

Plan your trip to Flagstaff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Flagstaff ranges from 0.4 - 2.7 inches per month. August is typically the wettest month, when rainfall can reach 2.7 in. June is typically the driest time to visit Flagstaff when rainfall is around 0.4 in.

Temperature in Flagstaff by month

Plan your trip to Flagstaff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Flagstaff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Flagstaff

Get insights into the airlines that provide service to Flagstaff. 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 Flagstaff. Reviews last updated January 21, 2025.
Alaska Airlines
8.0
Very good
9,706 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Illinois to Flagstaff. 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 into for flights to Flagstaff from Illinois?

    Located just 4.3 mi from the city center, Flagstaff Pulliam (FLG) is the airport most travelers will use when flying to Flagstaff from Illinois.

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

    While some choose either Lambert-St Louis - Flagstaff Pulliam or Evansville Dress Regional - Flagstaff Pulliam, Chicago O'Hare Intl - Flagstaff Pulliam is the most popular route from Illinois to Flagstaff.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Flagstaff 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 Illinois to Flagstaff?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Flagstaff (average of $567). Flying from Illinois to Flagstaff in March is currently the most expensive (average of $661). 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.

See more FAQs

Traveling to a place near Illinois?

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Williams
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Alternative routes for Illinois to Flagstaff

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Illinois to Flagstaff

Discover the top airline that operate flights from Illinois to Flagstaff. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$733FlexibilityNo cancel feeOn-time71%
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