$328 Cheap Flights from Sault Ste. Marie (CIU) to Rochester (RST)

View $328 flight on Mon, Dec 29, 2025Opens in a new window

Popular airlines from Sault Ste. Marie, MI (CIU-Chippewa County Intl.) to Rochester, MN (RST-Rochester Intl.)

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Cheap Flights from Sault Ste. Marie to Rochester (CIU-RST)

Prices were available within the past 7 days and start at $328 for one-way flights and $432 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Dec 21 - Wed, Dec 31
CIU
Sault Ste. Marie
RST
Rochester
$432 Roundtrip, found 3 days ago
$432
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Dec 21 from Sault Ste. Marie to Rochester, returning Wed, Dec 31, priced at $432 found 3 days ago
Delta
Thu, Dec 25 - Wed, Dec 31
CIU
Sault Ste. Marie
RST
Rochester
$441 Roundtrip, found 3 days ago
$441
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Dec 25 from Sault Ste. Marie to Rochester, returning Wed, Dec 31, priced at $441 found 3 days ago
Delta
Fri, Dec 19 - Wed, Dec 31
CIU
Sault Ste. Marie
RST
Rochester
$452 Roundtrip, found 3 days ago
$452
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 19 from Sault Ste. Marie to Rochester, returning Wed, Dec 31, priced at $452 found 3 days ago
Delta
Mon, Dec 22 - Thu, Dec 25
CIU
Sault Ste. Marie
RST
Rochester
$482 Roundtrip, found 3 days ago
$482
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Dec 22 from Sault Ste. Marie to Rochester, returning Thu, Dec 25, priced at $482 found 3 days ago
Delta
Fri, Dec 19 - Thu, Dec 25
CIU
Sault Ste. Marie
RST
Rochester
$502 Roundtrip, found 3 days ago
$502
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 19 from Sault Ste. Marie to Rochester, returning Thu, Dec 25, priced at $502 found 3 days ago
Delta
Wed, Dec 24 - Wed, Dec 31
CIU
Sault Ste. Marie
RST
Rochester
$524 Roundtrip, found 3 days ago
$524
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 24 from Sault Ste. Marie to Rochester, returning Wed, Dec 31, priced at $524 found 3 days ago
Delta
Thu, Dec 25 - Tue, Dec 30
CIU
Sault Ste. Marie
RST
Rochester
$533 Roundtrip, found 3 days ago
$533
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Dec 25 from Sault Ste. Marie to Rochester, returning Tue, Dec 30, priced at $533 found 3 days ago
Delta
Fri, Dec 19 - Tue, Dec 30
CIU
Sault Ste. Marie
RST
Rochester
$544 Roundtrip, found 3 days ago
$544
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 19 from Sault Ste. Marie to Rochester, returning Tue, Dec 30, priced at $544 found 3 days ago
Delta
Wed, Dec 24 - Tue, Dec 30
CIU
Sault Ste. Marie
RST
Rochester
$556 Roundtrip, found 3 days ago
$556
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 24 from Sault Ste. Marie to Rochester, returning Tue, Dec 30, priced at $556 found 3 days ago
Delta
Tue, Dec 23 - Wed, Dec 31
CIU
Sault Ste. Marie
RST
Rochester
$567 Roundtrip, found 3 days ago
$567
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec 23 from Sault Ste. Marie to Rochester, returning Wed, Dec 31, priced at $567 found 3 days ago
Delta
Fri, Dec 19 - Sun, Dec 21
CIU
Sault Ste. Marie
RST
Rochester
$594 Roundtrip, found 3 days ago
$594
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 19 from Sault Ste. Marie to Rochester, returning Sun, Dec 21, priced at $594 found 3 days ago

Frequently asked questions

How much does a flight from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST) cost?
Get a cheap one-way flight from $328 or cheap return flight from $432 from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST)?
The cheapest month to fly from CIU to RST is December, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CIU to RST flight.
How many flights per day from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST)?
There aren't any daily direct flights departing from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CIU to RST?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST)?
Opt for a flight from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST) last-minute?
Waiting until just before your trip to book a flight from CIU to RST often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a CIU to RST flight and hotel package?
Compared with arranging hotels and flights separately, booking a CIU to RST flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Chippewa County Intl. Airport (CIU) to Rochester Intl. Airport (RST)?
If you booked your CIU to RST flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Chippewa County Intl.
Destination airport
Rochester Intl.
Roundtrip price
$431
Distance
423 mi

Book with confidence

Sault Ste. Marie to Rochester Flights

The cheapest times to fly from Sault Ste. Marie to Rochester

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sault Ste. Marie to Rochester are during the month of December. You can find some of the cheapest flights from Sault Ste. Marie to Rochester with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sault Ste. Marie to Rochester

Sunday is one of the best days to book for cheap flights from Sault Ste. Marie to Rochester: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sault Ste. Marie to Rochester

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sault Ste. Marie to Rochester in 2026. You can also book with separate airlines for your outbound and return journeys, from $328 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sault Ste. Marie to Rochester flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sault Ste. Marie to Rochester airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sault Ste. Marie to Rochester Flights

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*Available to One Key members.