HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Flagstaff

$275+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FLG
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Flagstaff with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$386
(American Airlines)

One-way from

$275
(American Airlines)

Popular in

April

Cheapest in

September

Average price

$795
Provider with most accurate pricing for Chicago (CHI)-Flagstaff Pulliam flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Flagstaff Pulliam flights.
Search Deals
From Illinois to Flagstaff Pulliam
Search Deals
One-way flight from Illinois to Flagstaff Pulliam
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/17. 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 12/226:50 pmORD - FLG
1 stop5h 48mAmerican Airlines
Tue 12/301:11 pmFLG - ORD
1 stop6h 48mAmerican Airlines
Deal found 4/17$386
This American Airlines deal was found by Cheapflights users on 4/16. 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 12/88:03 amSTL - FLG
1 stop7h 09mAmerican Airlines
Fri 12/127:57 amFLG - STL
1 stop7h 10mAmerican Airlines
Deal found 4/16$386
This American Airlines deal was found by Cheapflights users on 4/17. 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 11/63:50 pmEVV - FLG
1 stop5h 52mAmerican Airlines
Sun 11/92:20 pmFLG - EVV
1 stop7h 14mAmerican Airlines
Deal found 4/17$636

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 April 17, 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

Sun 6/1

6:00 am-9:57 am

1 stop5h 57m

Flagstaff Pulliam

Wed 6/4

6:50 pm-5:13 am

1 stop8h 23m

$386

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Tue 5/20

2:19 pm-5:53 pm

1 stop5h 34m

Flagstaff Pulliam

Wed 5/28

5:20 am-1:49 pm

1 stop6h 29m

$436

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Thu 6/19

5:00 am-11:25 am

1 stop8h 25m

$275

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Mon 6/9

5:29 pm-9:28 pm

1 stop5h 59m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 April 17, 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 April 17, 2025.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.5

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.5

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Flagstaff

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Hobby to Las Vegas flights
Denver to Las Vegas flights
LaGuardia to Las Vegas flights
Seattle to Las Vegas flights
Seattle to Sky Harbor Intl flights
Los Angeles to Las Vegas flights
Boston to Las Vegas flights
Dulles Intl to Las Vegas flights
John F Kennedy Intl to Sky Harbor Intl flights
Santa Ana to Las Vegas flights
Atlanta to Las Vegas flights
San Francisco to Las Vegas flights
Burbank to Las Vegas flights
George Bush Intcntl to Las Vegas flights
O'Hare Intl to Sky Harbor Intl flights
Newark to Sky Harbor Intl flights
Oakland to Las Vegas flights
Reagan-National to Las Vegas flights
Midway to Las Vegas flights
Baltimore to Las Vegas flights
Minneapolis to Las Vegas flights
San Jose to Las Vegas flights
Detroit to Las Vegas flights
Boston to Sky Harbor Intl flights
Los Angeles to Sky Harbor Intl flights
Orlando to Las Vegas flights
Fort Lauderdale to Las Vegas flights
Minneapolis to Sky Harbor Intl flights
Portland to Las Vegas flights
Dulles Intl to Sky Harbor Intl flights
Philadelphia to Las Vegas flights
Ontario to Las Vegas flights
LaGuardia to Sky Harbor Intl flights
Detroit to Sky Harbor Intl flights
Denver to Sky Harbor Intl flights
Tampa to Las Vegas flights
Cincinnati to Las Vegas flights
San Francisco to Sky Harbor Intl flights
Everett to Las Vegas flights
Dallas/Fort Worth to Sky Harbor Intl flights
Baltimore to Sky Harbor Intl flights
Love Field to Las Vegas flights
Reagan-National to Sky Harbor Intl flights
St. Louis to Las Vegas flights
Honolulu to Las Vegas flights
San Antonio to Las Vegas flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$485Average$635FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.