$234+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CIU
Dec 3 — Dec 101
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
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 Sault Ste. Marie
Keep the following information in mind while searching for Illinois to Sault Ste. Marie flight deals. Data was last updated November 3, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $234 (Delta) |
Find flight deals from Illinois to Sault Ste. Marie
Best flights from Illinois to Sault Ste. MarieDiscover carefully curated flight deals from Illinois to Sault Ste. Marie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.
Discover carefully curated flight deals from Illinois to Sault Ste. Marie that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.
This Delta deal was found by Cheapflights users on 11/2. 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 4/152:18 pmSTL - CIU
1 stop3h 54mDelta
Sat 4/187:01 amCIU - STL
1 stop5h 29mDelta
Deal found 11/2![Delta logo]()
$234
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 November 3, 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
St. LouisSault Ste. Marie
STL - CIU
STLCIU
Lambert-St Louis
Wed 4/15
2:18 pm-7:12 pm
1 stop3h 54m
Sault Ste. Marie Chippewa County
Sat 4/18
7:01 am-11:30 am
1 stop5h 29m
$234
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
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Related info for your journey
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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 November 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$298 | FlexibilityNo cancel fee | On-time69% |