Cheap flights from Illinois to Flagstaff from $200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Flagstaff departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
8:17 am - 4:54 pmSTL-FLG
10h 37m2 stops
American Airlines Logo
5:24 pm - 11:59 pmFLG-STL
4h 35m1 stop
$376American Airlines
Find Deal
Tue, Sep 9 - Thu, Sep 18
American Airlines Logo
7:09 am - 11:48 amSTL-FLG
5h 39m1 stop
American Airlines Logo
2:15 pm - 10:27 pmFLG-STL
7h 12m1 stop
$386American Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 10
American Airlines Logo
7:28 am - 8:49 pmSTL-FLG
14h 21m2 stops
American Airlines Logo
2:15 pm - 10:27 pmFLG-STL
7h 12m1 stop
$396American Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 10
American Airlines Logo
11:58 am - 8:49 pmSTL-FLG
9h 51m2 stops
American Airlines Logo
6:39 am - 5:18 pmFLG-STL
9h 39m2 stops
$401American Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 10
American Airlines Logo
8:00 am - 11:25 amSTL-FLG
5h 25m1 stop
American Airlines Logo
5:24 pm - 11:59 pmFLG-STL
4h 35m1 stop
$416American Airlines
Find Deal
Sat, Sep 13 - Thu, Sep 18
American Airlines Logo
5:18 am - 11:25 amSTL-FLG
8h 07m2 stops
American Airlines Logo
5:24 pm - 11:59 pmFLG-STL
4h 35m1 stop
$426American Airlines
Find Deal
Sat, Sep 13 - Thu, Sep 18
American Airlines Logo
3:08 pm - 7:43 pmORD-FLG
6h 35m1 stop
American Airlines Logo
10:38 am - 9:05 pmFLG-ORD
8h 27m1 stop
$436American Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
American Airlines Logo
10:01 am - 4:55 pmORD-FLG
8h 54m2 stops
American Airlines Logo
5:24 pm - 12:27 amFLG-ORD
5h 03m1 stop
$446American Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22
American Airlines Logo
6:45 am - 12:50 pmORD-FLG
8h 05m2 stops
American Airlines Logo
10:17 am - 9:14 pmFLG-ORD
8h 57m2 stops
$451American Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
American Airlines Logo
8:14 am - 2:12 pmSTL-FLG
6h 58m1 stop
American Airlines Logo
2:15 pm - 10:27 pmFLG-STL
7h 12m1 stop
$466American Airlines
Find Deal
Fri, Feb 6 - Tue, Feb 10

American Airlines flights from Illinois to Flagstaff

Our best American Airlines deals on Illinois to Flagstaff flight tickets
American Airlines
Sep 9
STL8:17 amLambert-St Louis
10h 37m
2 stops
FLG4:54 pmFlagstaff Pulliam
Sep 18
FLG5:24 pmFlagstaff Pulliam
4h 35m
1 stop
STL11:59 pmLambert-St Louis
American Airlines
Feb 6
STL7:09 amLambert-St Louis
5h 39m
1 stop
FLG11:48 amFlagstaff Pulliam
Feb 10
FLG2:15 pmFlagstaff Pulliam
7h 12m
1 stop
STL10:27 pmLambert-St Louis
American Airlines
Feb 6
STL7:28 amLambert-St Louis
14h 21m
2 stops
FLG8:49 pmFlagstaff Pulliam
Feb 10
FLG2:15 pmFlagstaff Pulliam
7h 12m
1 stop
STL10:27 pmLambert-St Louis

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Illinois to Flagstaff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Tue 9/9

8:17 am-4:54 pm

2 stops10h 37m

Flagstaff Pulliam

Thu 9/18

5:24 pm-11:59 pm

1 stop4h 35m

$376

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Fri 2/6

7:09 am-11:48 am

1 stop5h 39m

Flagstaff Pulliam

Tue 2/10

2:15 pm-10:27 pm

1 stop7h 12m

$386

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Fri 2/6

7:28 am-8:49 pm

2 stops14h 21m

Flagstaff Pulliam

Tue 2/10

2:15 pm-10:27 pm

1 stop7h 12m

$396

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Fri 2/6

11:58 am-8:49 pm

2 stops9h 51m

Flagstaff Pulliam

Tue 2/10

6:39 am-5:18 pm

2 stops9h 39m

$401

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Sat 9/13

8:00 am-11:25 am

1 stop5h 25m

Flagstaff Pulliam

Thu 9/18

5:24 pm-11:59 pm

1 stop4h 35m

$416

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Sat 9/13

5:18 am-11:25 am

2 stops8h 07m

Flagstaff Pulliam

Thu 9/18

5:24 pm-11:59 pm

1 stop4h 35m

$426

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Sat 9/27

3:08 pm-7:43 pm

1 stop6h 35m

Flagstaff Pulliam

Mon 9/29

10:38 am-9:05 pm

1 stop8h 27m

$436

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Sat 9/20

10:01 am-4:55 pm

2 stops8h 54m

Flagstaff Pulliam

Mon 9/22

5:24 pm-12:27 am

1 stop5h 03m

$446

ChicagoFlagstaff

ORD - FLG

ORDFLG

Chicago O'Hare Intl

Sat 10/25

6:45 am-12:50 pm

2 stops8h 05m

Flagstaff Pulliam

Sat 11/1

10:17 am-9:14 pm

2 stops8h 57m

$451

St. LouisFlagstaff

STL - FLG

STLFLG

Lambert-St Louis

Fri 2/6

8:14 am-2:12 pm

1 stop6h 58m

Flagstaff Pulliam

Tue 2/10

2:15 pm-10:27 pm

1 stop7h 12m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Flagstaff from

How to get the cheapest flight ticket from Illinois to Flagstaff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Flagstaff?

According to our data, Monday is the cheapest day to fly to Flagstaff from Illinois. The lowest ticket price found for a Monday departure recently was $594. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $697. These prices are subject to change though, so be sure to set up a Price Alert for flights to Flagstaff.

What is the cheapest time of day to depart on your flight to Flagstaff?

The cheapest time of day to fly to Flagstaff is at noon when flights can be purchased for as low as $612. Flights to Flagstaff are more costly in the evening, with an average ticket price of $754. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Illinois to Flagstaff flights?

You could potentially save up to 60% on your flight if you consider stops on a Illinois to Flagstaff flight.

Cheap Illinois to Flagstaff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Flagstaff

Direct flights

None
There are no direct flights from Illinois to Flagstaff. There are no popular flight routes from Illinois to Flagstaff.
  • When did momondo last update prices for flights from Illinois to Flagstaff Pulliam Airport?

    Prices for flights from Illinois to Flagstaff Pulliam Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Flagstaff Pulliam Airport?

  • How old do you have to be to fly from Illinois to Flagstaff Pulliam Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Flagstaff Pulliam Airport.

  • What documentation or ID do you need to fly to Flagstaff Pulliam Airport?

    The travel and health documents required for your trip to Flagstaff Pulliam Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Flagstaff Pulliam Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Flagstaff

Compare and see reviews for airlines that fly from Illinois to Flagstaff with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $465Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Flagstaff?

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

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Flagstaff?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Flagstaff for you.

Can I find flights from Illinois to Flagstaff with flexible booking policies on momondo?

Yes. All flights to Flagstaff from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Flagstaff?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Flagstaff from Illinois.

I’m not ready to book a flight from Illinois to Flagstaff right now. Can momondo alert me if prices change?

Price alerts on flights to Flagstaff from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 9/2
Tue 9/9

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