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Cheap flights from Illinois to Pierre from $606

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Pierre departing on 4/13. 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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Find the cheapest flights from Illinois to Pierre

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:45 pm - 11:41 pm
ORD
-
PIR
5h 56m
1 stop
United Airlines Logo
5:15 pm - 11:28 pm
PIR
-
ORD
6h 13m
1 stop
$606United Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
8:40 am - 4:18 pm
ORD
-
PIR
7h 38m
1 stop
United Airlines Logo
5:29 pm - 11:52 pm
PIR
-
ORD
6h 23m
1 stop
$652United Airlines
Thu, Mar 19 - Fri, Mar 20
United Airlines Logo
8:40 am - 4:18 pm
ORD
-
PIR
7h 38m
1 stop
United Airlines Logo
5:29 pm - 10:55 pm
PIR
-
ORD
5h 26m
1 stop
$707United Airlines
Thu, Mar 19 - Fri, Mar 20
United Airlines Logo
4:08 pm - 11:15 pm
ORD
-
PIR
7h 07m
1 stop
United Airlines Logo
6:15 am - 11:52 pm
PIR
-
ORD
17h 37m
1 stop
$774United Airlines
Sun, Mar 15 - Thu, Mar 19
United Airlines Logo
9:15 pm - 4:18 pm
ORD
-
PIR
19h 03m
2 stops
United Airlines Logo
6:15 am - 11:19 am
PIR
-
ORD
5h 04m
1 stop
$780United Airlines
Sun, Mar 15 - Thu, Mar 19
United Airlines Logo
9:20 am - 11:15 pm
ORD
-
PIR
13h 55m
2 stops
United Airlines Logo
5:29 pm - 11:19 am
PIR
-
ORD
17h 50m
1 stop
$784United Airlines
Thu, Mar 19 - Fri, Mar 20
United Airlines Logo
10:50 am - 11:15 pm
ORD
-
PIR
12h 25m
2 stops
United Airlines Logo
6:15 am - 5:05 pm
PIR
-
ORD
10h 50m
2 stops
$1,215United Airlines
Sun, Mar 15 - Thu, Mar 19
United Airlines Logo
8:50 am - 11:15 pm
ORD
-
PIR
14h 25m
2 stops
United Airlines Logo
6:15 am - 9:59 pm
PIR
-
ORD
15h 44m
2 stops
$1,554United Airlines
Thu, Mar 19 - Fri, Mar 20

United Airlines flights from Illinois to Pierre

Our best United Airlines deals on Illinois to Pierre flight tickets
United Airlines
Apr 13
ORD5:45 pmChicago O'Hare Intl
5h 56m
1 stop
PIR11:41 pmPierre
Apr 20
PIR5:15 pmPierre
6h 13m
1 stop
ORD11:28 pmChicago O'Hare Intl
$606
United Airlines
Mar 19
ORD8:40 amChicago O'Hare Intl
7h 38m
1 stop
PIR4:18 pmPierre
Mar 20
PIR5:29 pmPierre
6h 23m
1 stop
ORD11:52 pmChicago O'Hare Intl
$652
United Airlines
Mar 19
ORD8:40 amChicago O'Hare Intl
7h 38m
1 stop
PIR4:18 pmPierre
Mar 20
PIR5:29 pmPierre
5h 26m
1 stop
ORD10:55 pmChicago O'Hare Intl
$707

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Pierre 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 March 3, 2026.
Use the filters below to find and compare flights from Illinois to Pierre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Mon 4/13

5:45 pm-11:41 pm

1 stop5h 56m

Pierre

Mon 4/20

5:15 pm-11:28 pm

1 stop6h 13m

$606

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Thu 3/19

8:40 am-4:18 pm

1 stop7h 38m

Pierre

Fri 3/20

5:29 pm-11:52 pm

1 stop6h 23m

$652

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Thu 3/19

8:40 am-4:18 pm

1 stop7h 38m

Pierre

Fri 3/20

5:29 pm-10:55 pm

1 stop5h 26m

$707

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Sun 3/15

4:08 pm-11:15 pm

1 stop7h 07m

Pierre

Thu 3/19

6:15 am-11:52 pm

1 stop17h 37m

$774

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Sun 3/15

9:15 pm-4:18 pm

2 stops19h 03m

Pierre

Thu 3/19

6:15 am-11:19 am

1 stop5h 04m

$780

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Thu 3/19

9:20 am-11:15 pm

2 stops13h 55m

Pierre

Fri 3/20

5:29 pm-11:19 am

1 stop17h 50m

$784

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Sun 3/15

10:50 am-11:15 pm

2 stops12h 25m

Pierre

Thu 3/19

6:15 am-5:05 pm

2 stops10h 50m

$1,215

ChicagoPierre

ORD - PIR

ORDPIR

Chicago O'Hare Intl

Thu 3/19

8:50 am-11:15 pm

2 stops14h 25m

Pierre

Fri 3/20

6:15 am-9:59 pm

2 stops15h 44m

$1,554

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Pierre flight deals and tips

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

Fastest flight time

7h 38m

Direct flights

None
The fastest flight from Illinois to Pierre takes 7h 38m
There are no direct flights from Illinois to Pierre. There are no popular flight routes from Illinois to Pierre.
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  • When did momondo last update prices for flights from Illinois to Pierre Airport?

    Prices for flights from Illinois to Pierre Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Pierre Airport.

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

    The required travel and health documents for your Pierre Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pierre Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Illinois to Pierre?

    Price Alerts will notify you by email when the price for flights to Pierre from Illinois decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Illinois to Pierre with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Pierre?

Book flights to Pierre if you plan to visit one of these locations
Chamberlain

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Pierre. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Pierre from Illinois with this policy.

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

Once all potential Illinois to Pierre flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Pierre 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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