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Cheap flights from Illinois to Flagstaff from $390

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 11/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Flagstaff

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:30 pm - 8:07 pmSTL  Lambert-St Louis-FLG Flagstaff Pulliam
7h 37m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:43 am - 8:52 pmFLG  Flagstaff Pulliam-STL Lambert-St Louis
7h 09m1 stop Phoenix Sky Harbor Intl
$484American Airlines
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
7:24 am - 12:50 pmSTL  Lambert-St Louis-FLG Flagstaff Pulliam
6h 26m1 stop Dallas/Fort Worth
American Airlines Logo
1:22 pm - 9:59 pmFLG  Flagstaff Pulliam-STL Lambert-St Louis
7h 37m1 stop Dallas/Fort Worth
$484American Airlines
Wed, Dec 9 - Sat, Dec 12
American Airlines Logo
2:31 pm - 8:39 pmSTL  Lambert-St Louis-FLG Flagstaff Pulliam
8h 08m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:37 am - 1:43 pmFLG  Flagstaff Pulliam-STL Lambert-St Louis
5h 06m1 stop Phoenix Sky Harbor Intl
$484American Airlines
Tue, Oct 27 - Tue, Nov 3
American Airlines Logo
7:09 am - 11:53 amORD  Chicago O'Hare Intl-FLG Flagstaff Pulliam
6h 44m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 11:30 pmFLG  Flagstaff Pulliam-ORD Chicago O'Hare Intl
8h 53m1 stop Dallas/Fort Worth
$508American Airlines
Tue, Sep 29 - Sat, Oct 3
American Airlines Logo
10:33 am - 3:00 pmORD  Chicago O'Hare Intl-FLG Flagstaff Pulliam
6h 27m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:43 am - 9:30 pmFLG  Flagstaff Pulliam-ORD Chicago O'Hare Intl
7h 47m1 stop Phoenix Sky Harbor Intl
$508American Airlines
Tue, Sep 22 - Sat, Sep 26
American Airlines Logo
5:00 am - 9:49 amORD  Chicago O'Hare Intl-FLG Flagstaff Pulliam
6h 49m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
10:37 am - 6:03 pmFLG  Flagstaff Pulliam-ORD Chicago O'Hare Intl
5h 26m1 stop Phoenix Sky Harbor Intl
$508American Airlines
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
10:33 am - 3:00 pmORD  Chicago O'Hare Intl-FLG Flagstaff Pulliam
6h 27m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:37 pm - 10:04 pmFLG  Flagstaff Pulliam-ORD Chicago O'Hare Intl
7h 27m1 stop Dallas/Fort Worth
$508American Airlines
Tue, Sep 29 - Sat, Oct 3
American Airlines Logo
5:43 am - 11:53 amSTL  Lambert-St Louis-FLG Flagstaff Pulliam
8h 10m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 9:57 pmFLG  Flagstaff Pulliam-STL Lambert-St Louis
7h 20m1 stop Dallas/Fort Worth
$522American Airlines
Wed, Sep 23 - Thu, Oct 1
American Airlines Logo
6:32 am - 12:05 pmSTL  Lambert-St Louis-FLG Flagstaff Pulliam
7h 33m1 stop Dallas/Fort Worth
American Airlines Logo
11:52 am - 8:43 pmFLG  Flagstaff Pulliam-STL Lambert-St Louis
6h 51m1 stop Phoenix Sky Harbor Intl
$522American Airlines
Sat, Oct 17 - Fri, Oct 23
American Airlines Logo
5:00 am - 11:13 amORD  Chicago O'Hare Intl-FLG Flagstaff Pulliam
8h 13m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
10:40 am - 6:03 pmFLG  Flagstaff Pulliam-ORD Chicago O'Hare Intl
5h 23m1 stop Phoenix Sky Harbor Intl
$538American Airlines
Thu, Sep 10 - Sat, Sep 12

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American Airlines flights from Illinois to Flagstaff

Our best American Airlines deals on Illinois to Flagstaff flight tickets
American Airlines
Sep 9
STL2:30 pmLambert-St Louis
7h 37m
1 stop
FLG8:07 pmFlagstaff Pulliam
Sep 16
FLG11:43 amFlagstaff Pulliam
7h 09m
1 stop
STL8:52 pmLambert-St Louis
$484
American Airlines
Sep 29
ORD7:09 amChicago O'Hare Intl
6h 44m
1 stop
FLG11:53 amFlagstaff Pulliam
Oct 3
FLG12:37 pmFlagstaff Pulliam
8h 53m
1 stop
ORD11:30 pmChicago O'Hare Intl
$508
American Airlines
Sep 23
STL5:43 amLambert-St Louis
8h 10m
1 stop
FLG11:53 amFlagstaff Pulliam
Oct 1
FLG12:37 pmFlagstaff Pulliam
7h 20m
1 stop
STL9:57 pmLambert-St Louis
$522

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 13, 2026.
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

Cheapest round-trip

St. LouisFlagstaff

STL Lambert-St Louis - FLG Flagstaff Pulliam

STLFLG

Lambert-St Louis

Wed 9/9

2:30 pm-8:07 pm

1 stop7h 37m

Flagstaff Pulliam

Wed 9/16

11:43 am-8:52 pm

1 stop7h 09m

$484

St. LouisFlagstaff

STL Lambert-St Louis - FLG Flagstaff Pulliam

STLFLG

Lambert-St Louis

Wed 12/9

7:24 am-12:50 pm

1 stop6h 26m

Flagstaff Pulliam

Sat 12/12

1:22 pm-9:59 pm

1 stop7h 37m

$484

St. LouisFlagstaff

STL Lambert-St Louis - FLG Flagstaff Pulliam

STLFLG

Lambert-St Louis

Tue 10/27

2:31 pm-8:39 pm

1 stop8h 08m

Flagstaff Pulliam

Tue 11/3

7:37 am-1:43 pm

1 stop5h 06m

$484

ChicagoFlagstaff

ORD Chicago O'Hare Intl - FLG Flagstaff Pulliam

ORDFLG

Chicago O'Hare Intl

Tue 9/29

7:09 am-11:53 am

1 stop6h 44m

Flagstaff Pulliam

Sat 10/3

12:37 pm-11:30 pm

1 stop8h 53m

$508

ChicagoFlagstaff

ORD Chicago O'Hare Intl - FLG Flagstaff Pulliam

ORDFLG

Chicago O'Hare Intl

Tue 9/22

10:33 am-3:00 pm

1 stop6h 27m

Flagstaff Pulliam

Sat 9/26

11:43 am-9:30 pm

1 stop7h 47m

$508
Quickest round-trip

ChicagoFlagstaff

ORD Chicago O'Hare Intl - FLG Flagstaff Pulliam

ORDFLG

Chicago O'Hare Intl

Tue 9/8

5:00 am-9:49 am

1 stop6h 49m

Flagstaff Pulliam

Tue 9/15

10:37 am-6:03 pm

1 stop5h 26m

$508

ChicagoFlagstaff

ORD Chicago O'Hare Intl - FLG Flagstaff Pulliam

ORDFLG

Chicago O'Hare Intl

Tue 9/29

10:33 am-3:00 pm

1 stop6h 27m

Flagstaff Pulliam

Sat 10/3

12:37 pm-10:04 pm

1 stop7h 27m

$508

St. LouisFlagstaff

STL Lambert-St Louis - FLG Flagstaff Pulliam

STLFLG

Lambert-St Louis

Wed 9/23

5:43 am-11:53 am

1 stop8h 10m

Flagstaff Pulliam

Thu 10/1

12:37 pm-9:57 pm

1 stop7h 20m

$522

St. LouisFlagstaff

STL Lambert-St Louis - FLG Flagstaff Pulliam

STLFLG

Lambert-St Louis

Sat 10/17

6:32 am-12:05 pm

1 stop7h 33m

Flagstaff Pulliam

Fri 10/23

11:52 am-8:43 pm

1 stop6h 51m

$522

ChicagoFlagstaff

ORD Chicago O'Hare Intl - FLG Flagstaff Pulliam

ORDFLG

Chicago O'Hare Intl

Thu 9/10

5:00 am-11:13 am

1 stop8h 13m

Flagstaff Pulliam

Sat 9/12

10:40 am-6:03 pm

1 stop5h 23m

$538

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 month to fly to Flagstaff?

The month of October is, on average, the cheapest month to fly to Flagstaff from Illinois, with most prices found around $415. The month of February is another great option to travel to Flagstaff, with average flight prices from Illinois averaging around $455.

Can stopping save me money on Illinois to Flagstaff flights?

You could potentially save up to 48% 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

Fastest flight time

5h 41m

Direct flights

None
The fastest flight from Illinois to Flagstaff takes 5h 41m
There are no direct flights from Illinois to Flagstaff. There are no popular flight routes from Illinois to Flagstaff.
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Frequently asked questions about flying 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 $405Free CancellationRating
7.1
11,915 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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