Cheap Flights from Rapid City (RAP) to Sault Ste. Marie (CIU)

Popular airlines from Rapid City Regional Airport (RAP) to Sault Ste. Marie, MI (CIU-Chippewa County Intl.)

Cheap Flights from Rapid City to Sault Ste. Marie (RAP-CIU)

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

Delta
Fri, Nov 7 - Sat, Nov 8
RAP
Rapid City
CIU
Sault Ste. Marie
$432 Roundtrip, found 5 days ago
$432
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Rapid City to Sault Ste. Marie, returning Sat, Nov 8, priced at $432 found 5 days ago
Delta
Fri, Nov 7 - Tue, Nov 11
RAP
Rapid City
CIU
Sault Ste. Marie
$442 Roundtrip, found 5 days ago
$442
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Rapid City to Sault Ste. Marie, returning Tue, Nov 11, priced at $442 found 5 days ago
Delta
Tue, Nov 4 - Sat, Nov 8
RAP
Rapid City
CIU
Sault Ste. Marie
$462 Roundtrip, found 5 days ago
$462
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Rapid City to Sault Ste. Marie, returning Sat, Nov 8, priced at $462 found 5 days ago
Delta
Tue, Nov 4 - Tue, Nov 11
RAP
Rapid City
CIU
Sault Ste. Marie
$472 Roundtrip, found 5 days ago
$472
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Rapid City to Sault Ste. Marie, returning Tue, Nov 11, priced at $472 found 5 days ago
Delta
Fri, Nov 7 - Mon, Nov 10
RAP
Rapid City
CIU
Sault Ste. Marie
$502 Roundtrip, found 5 days ago
$502
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Rapid City to Sault Ste. Marie, returning Mon, Nov 10, priced at $502 found 5 days ago
Delta
Sat, Nov 8 - Mon, Nov 10
RAP
Rapid City
CIU
Sault Ste. Marie
$504 Roundtrip, found 5 days ago
$504
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 8 from Rapid City to Sault Ste. Marie, returning Mon, Nov 10, priced at $504 found 5 days ago
Delta
Sat, Nov 8 - Tue, Nov 11
RAP
Rapid City
CIU
Sault Ste. Marie
$509 Roundtrip, found 5 days ago
$509
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 8 from Rapid City to Sault Ste. Marie, returning Tue, Nov 11, priced at $509 found 5 days ago
Delta
Sat, Nov 8 - Sun, Nov 9
RAP
Rapid City
CIU
Sault Ste. Marie
$537 Roundtrip, found 5 days ago
$537
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 8 from Rapid City to Sault Ste. Marie, returning Sun, Nov 9, priced at $537 found 5 days ago
Delta
Sat, Nov 15 - Sat, Nov 22
RAP
Rapid City
CIU
Sault Ste. Marie
$539 Roundtrip, found 2 days ago
$539
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 15 from Rapid City to Sault Ste. Marie, returning Sat, Nov 22, priced at $539 found 2 days ago
Delta
Wed, Dec 24 - Fri, Jan 2
RAP
Rapid City
CIU
Sault Ste. Marie
$556 Roundtrip, found 2 days ago
$556
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 24 from Rapid City to Sault Ste. Marie, returning Fri, Jan 2, priced at $556 found 2 days ago
Delta
Fri, Nov 7 - Mon, Nov 10
RAP
Rapid City
CIU
Sault Ste. Marie
$562 Roundtrip, found 5 days ago
$562
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Rapid City to Sault Ste. Marie, returning Mon, Nov 10, priced at $562 found 5 days ago
Delta
Tue, Nov 4 - Fri, Nov 7
RAP
Rapid City
CIU
Sault Ste. Marie
$585 Roundtrip, found 5 days ago
$585
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Rapid City to Sault Ste. Marie, returning Fri, Nov 7, priced at $585 found 5 days ago
Delta
Thu, Dec 25 - Fri, Jan 2
RAP
Rapid City
CIU
Sault Ste. Marie
$589 Roundtrip, found 2 days ago
$589
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 25 from Rapid City to Sault Ste. Marie, returning Fri, Jan 2, priced at $589 found 2 days ago
Delta
Sat, Dec 20 - Fri, Jan 2
RAP
Rapid City
CIU
Sault Ste. Marie
$606 Roundtrip, found 2 days ago
$606
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Rapid City to Sault Ste. Marie, returning Fri, Jan 2, priced at $606 found 2 days ago
Delta
Mon, Dec 22 - Fri, Jan 2
RAP
Rapid City
CIU
Sault Ste. Marie
$656 Roundtrip, found 2 days ago
$656
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Dec 22 from Rapid City to Sault Ste. Marie, returning Fri, Jan 2, priced at $656 found 2 days ago
Delta
Sat, Dec 20 - Thu, Dec 25
RAP
Rapid City
CIU
Sault Ste. Marie
$658 Roundtrip, found 2 days ago
$658
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Rapid City to Sault Ste. Marie, returning Thu, Dec 25, priced at $658 found 2 days ago
Delta
Tue, Dec 23 - Fri, Jan 2
RAP
Rapid City
CIU
Sault Ste. Marie
$670 Roundtrip, found 2 days ago
$670
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 23 from Rapid City to Sault Ste. Marie, returning Fri, Jan 2, priced at $670 found 2 days ago
Delta
Mon, Dec 22 - Thu, Dec 25
RAP
Rapid City
CIU
Sault Ste. Marie
$708 Roundtrip, found 2 days ago
$708
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Dec 22 from Rapid City to Sault Ste. Marie, returning Thu, Dec 25, priced at $708 found 2 days ago
Delta
Tue, Dec 23 - Thu, Dec 25
RAP
Rapid City
CIU
Sault Ste. Marie
$721 Roundtrip, found 2 days ago
$721
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 23 from Rapid City to Sault Ste. Marie, returning Thu, Dec 25, priced at $721 found 2 days ago
Delta
Wed, Dec 24 - Sun, Dec 28
RAP
Rapid City
CIU
Sault Ste. Marie
$725 Roundtrip, found 2 days ago
$725
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 24 from Rapid City to Sault Ste. Marie, returning Sun, Dec 28, priced at $725 found 2 days ago

Alternative airports near Sault Ste. Marie

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chippewa County Intl. CIU. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $462
CIU
Chippewa County Intl.
Cheapest
Average driving time to city center23 min
Flights from $462

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU) cost?
Get a cheap one-way flight or cheap return flight from $432 from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU)?
November is the cheapest month to fly from RAP to CIU. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU)?
To find the cheapest airline that'll fly you from RAP to CIU, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU)?
You'll have to catch a flight with a layover if you're traveling from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from RAP to CIU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU)?
Select a flight from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU) last-minute?
Last-minute bookings from RAP to CIU are usually more expensive. For the best prices, start searching for flights well ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a RAP to CIU flight and hotel package?
Compared with arranging flights and hotels separately, booking a RAP to CIU flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just pick your flights and choose from our wide range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Chippewa County Intl. Airport (CIU)?
If you booked your RAP to CIU flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Rapid City Regional
Destination airport
Chippewa County Intl.
Roundtrip price
$431
Distance
916 mi

Book with confidence

Rapid City to Sault Ste. Marie Flights

The cheapest times to fly from Rapid City to Sault Ste. Marie

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 Rapid City to Sault Ste. Marie are during the month of November. You can find some of the cheapest flights from Rapid City to Sault Ste. Marie with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Rapid City to Sault Ste. Marie: 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 Rapid City to Sault Ste. Marie

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 Rapid City to Sault Ste. Marie in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Rapid City to Sault Ste. Marie 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 Rapid City to Sault Ste. Marie 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.

 

Rapid City to Sault Ste. Marie Flights

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*Available to One Key members.