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Flagstaff

$206+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FLG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Illinois to Flagstaff

Keep the following information in mind while searching for Illinois to Flagstaff flight deals. Data was last updated June 12, 2025.

Round-trip from

$336
(American Airlines)

One-way from

$206
(American Airlines)

Popular in

April

Cheapest in

September
From Illinois to Flagstaff Pulliam
Search Deals
One-way flight from Illinois to Flagstaff Pulliam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 7/225:08 pmORD - FLG
1 stop7h 08mAmerican Airlines
Wed 7/237:00 amFLG - ORD
1 stop6h 05mAmerican Airlines
Deal found 6/10$336
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/65:28 amSTL - FLG
1 stop7h 35mAmerican Airlines
Fri 10/104:52 pmFLG - STL
1 stop4h 57mAmerican Airlines
Deal found 6/10$336
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/261:31 pmEVV - FLG
1 stop8h 21mAmerican Airlines
Wed 10/110:38 amFLG - EVV
2 stops10h 50mAmerican Airlines
Deal found 6/11$591

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to Flagstaff that are best for you.

Fly from

Illinois

Fly to

Flagstaff

Route

Depart

Return

Price

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Tue 7/22

5:08 pm-10:16 pm

1 stop7h 08m

Flagstaff Pulliam

Wed 7/23

7:00 am-3:05 pm

1 stop6h 05m

$336

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Wed 7/16

6:10 pm-9:26 pm

1 stop5h 16m

Flagstaff Pulliam

Tue 7/22

6:04 pm-8:15 am

2 stops12h 11m

$396

EvansvilleFlagstaff

EVV - FLG

EVVFLG

Evansville Dress Regional

Fri 9/26

1:31 pm-7:52 pm

1 stop8h 21m

Flagstaff Pulliam

Wed 10/1

11:55 am-11:28 pm

2 stops9h 33m

$591

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Tue 7/15

10:08 am-5:34 pm

2 stops9h 26m

$206

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Sat 8/9

2:55 pm-7:31 pm

1 stop6h 36m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

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

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 June 12, 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 June 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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?

Book flights to Illinois if you plan to visit one of these locations
Williams
Winslow

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$465Average$635FlexibilityNo cancel feeOn-time71%

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