$410+ Cheap flights from Illinois to Sault Ste. Marie (CIU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CIU
Oct 15 — Oct 221
1 adult, Economy
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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
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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 Sault Ste. Marie
Keep the following information in mind while searching for Illinois to Sault Ste. Marie flight deals. Data was last updated September 15, 2025.
Round-trip from | $410 (Delta) |
|---|
Find flight deals from Illinois to Sault Ste. Marie
Cheapest flights from Illinois to Sault Ste. MarieExplore the most affordable flight options available from Illinois to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
Explore the most affordable flight options available from Illinois to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:08 pmMDW - CIU
1 stop5h 06mDelta
Sat 11/16:55 amCIU - MDW
1 stop7h 13mDelta
Deal found 9/12![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:15 amORD - CIU
1 stop5h 27mDelta
Thu 10/23:50 pmCIU - ORD
1 stop3h 14mDelta
Deal found 9/12![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:57 amORD - CIU
2 stops9h 17mDelta
Sat 11/13:50 pmCIU - ORD
1 stop5h 33mDelta
Deal found 9/12![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/62:15 pmSTL - CIU
1 stop3h 59mDelta
Fri 10/103:50 pmCIU - STL
1 stop5h 33mDelta
Deal found 9/14![Delta logo]()
$884
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Sault Ste. Marie 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 September 15, 2025.
Use the filters below to find and compare flights from Illinois to Sault Ste. Marie that are best for you.
Fly from
Illinois
Fly to
Sault Ste. Marie
Route
Depart
Return
Price
ChicagoSault Ste. Marie
MDW - CIU
MDWCIU
Chicago Midway
Wed 10/29
1:08 pm-7:14 pm
1 stop5h 06m
Sault Ste. Marie Chippewa County
Sat 11/1
6:55 am-1:08 pm
1 stop7h 13m
$410
ChicagoSault Ste. Marie
ORD - CIU
ORDCIU
Chicago O'Hare Intl
Sun 9/28
6:15 am-12:42 pm
1 stop5h 27m
Sault Ste. Marie Chippewa County
Thu 10/2
3:50 pm-6:04 pm
1 stop3h 14m
$410
ChicagoSault Ste. Marie
ORD - CIU
ORDCIU
Chicago O'Hare Intl
Wed 10/29
1:25 pm-7:14 pm
1 stop4h 49m
Sault Ste. Marie Chippewa County
Sat 11/1
3:50 pm-8:23 pm
1 stop5h 33m
$410
ChicagoSault Ste. Marie
MDW - CIU
MDWCIU
Chicago Midway
Mon 1/5
9:20 am-3:15 pm
1 stop4h 55m
Sault Ste. Marie Chippewa County
Sat 1/10
7:01 am-1:08 pm
1 stop7h 07m
$577
ChicagoSault Ste. Marie
ORD - CIU
ORDCIU
Chicago O'Hare Intl
Mon 1/5
9:30 am-3:15 pm
1 stop4h 45m
Sault Ste. Marie Chippewa County
Sat 1/10
7:01 am-11:33 am
1 stop5h 32m
$577
St. LouisSault Ste. Marie
STL - CIU
STLCIU
Lambert-St Louis
Mon 10/6
2:15 pm-7:14 pm
1 stop3h 59m
Sault Ste. Marie Chippewa County
Fri 10/10
3:50 pm-8:23 pm
1 stop5h 33m
$884
Best time to book a flight from Illinois to Sault Ste. Marie
Have a flexible travel schedule? Discover the best time to fly to Sault Ste. Marie 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 Sault Ste. Marie
What is the cheapest time of day to fly from IL to CIU?
Find hourly flight availability from Illinois to Sault Ste. Marie. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Sault Ste. Marie as you normally would.
Weekly flight availability from Illinois to Sault Ste. Marie
Explore weekly flight availability from Illinois to Sault Ste. Marie. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.
The most flights from USIL to CIU are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
Related info for your journey
Find useful and relevant information for your journey from Illinois to Sault Ste. Marie. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Sault Ste. Marie
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Illinois to Sault Ste. Marie
Discover the top airline that operate flights from Illinois to Sault Ste. Marie. 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 September 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$298 | FlexibilityNo cancel fee | On-time69% |