$259 Cheap Flights from Minneapolis (MSP) to Sidney (SDY)

View $259 flight on Mon, Nov 10, 2025Opens in a new window

Popular airlines from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney, MT (SDY-Sidney-Richland Municipal)

Cheap Flights from Minneapolis to Sidney (MSP-SDY)

Prices were available within the past 7 days and start at $259 for one-way flights and $436 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 27 - Sun, Dec 7
MSP
Minneapolis
SDY
Sidney
$436 Roundtrip, found 6 days ago
$436
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Nov 27 from Minneapolis to Sidney, returning Sun, Dec 7, priced at $436 found 6 days ago
United
Tue, Oct 28 - Sat, Nov 8
MSP
Minneapolis
SDY
Sidney
$457 Roundtrip, found 3 days ago
$457
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 28 from Minneapolis to Sidney, returning Sat, Nov 8, priced at $457 found 3 days ago
United
Tue, Oct 28 - Fri, Oct 31
MSP
Minneapolis
SDY
Sidney
$458 Roundtrip, found 3 days ago
$458
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 28 from Minneapolis to Sidney, returning Fri, Oct 31, priced at $458 found 3 days ago
Delta
Mon, Dec 29 - Sun, Jan 11
MSP
Minneapolis
SDY
Sidney
$476 Roundtrip, found 6 days ago
$476
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Dec 29 from Minneapolis to Sidney, returning Sun, Jan 11, priced at $476 found 6 days ago
Delta
Sun, Nov 9 - Fri, Nov 28
MSP
Minneapolis
SDY
Sidney
$486 Roundtrip, found 6 days ago
$486
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Nov 9 from Minneapolis to Sidney, returning Fri, Nov 28, priced at $486 found 6 days ago
Delta
Fri, Oct 24 - Sat, Nov 1
MSP
Minneapolis
SDY
Sidney
$486 Roundtrip, found 5 days ago
$486
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 24 from Minneapolis to Sidney, returning Sat, Nov 1, priced at $486 found 5 days ago
United
Tue, Oct 28 - Mon, Nov 3
MSP
Minneapolis
SDY
Sidney
$488 Roundtrip, found 3 days ago
$488
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 28 from Minneapolis to Sidney, returning Mon, Nov 3, priced at $488 found 3 days ago
United
Wed, Oct 29 - Sat, Nov 8
MSP
Minneapolis
SDY
Sidney
$494 Roundtrip, found 3 days ago
$494
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Minneapolis to Sidney, returning Sat, Nov 8, priced at $494 found 3 days ago
United
Wed, Oct 29 - Tue, Nov 4
MSP
Minneapolis
SDY
Sidney
$495 Roundtrip, found 3 days ago
$495
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Minneapolis to Sidney, returning Tue, Nov 4, priced at $495 found 3 days ago
Delta
Sun, Oct 19 - Sat, Nov 1
MSP
Minneapolis
SDY
Sidney
$501 Roundtrip, found 5 days ago
$501
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Oct 19 from Minneapolis to Sidney, returning Sat, Nov 1, priced at $501 found 5 days ago

Frequently asked questions

How much does a flight from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY) cost?
Grab a cheap one-way flight from $259 or cheap return flight from $436 from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY) 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 Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY)?
The cheapest month to fly from MSP to SDY is November, when there's less demand. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MSP to SDY flight.
How many flights per day from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY)?
There are no daily direct flights available from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from MSP to SDY?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY)?
Select a flight from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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.
What airports do you fly into for Sidney from Minneapolis - St. Paul Intl. Airport (MSP)?
Compare your flight options from Minneapolis - St. Paul Intl. Airport (MSP) to Basin Intl. Airport (XWA). This is the only airport in Sidney you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY) last-minute?
Booking your plane ticket from MSP to SDY right before your journey is typically more expensive. However, if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a MSP to SDY flight and hotel package?
Compared with arranging hotels and flights separately, booking a MSP to SDY flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Minneapolis - St. Paul Intl. Airport (MSP) to Sidney-Richland Municipal Airport (SDY)?
If you reserved your MSP to SDY flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket 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 if you want more information.

Travel information

Travel information

Origin airport
Minneapolis - St. Paul Intl.
Destination airport
Sidney-Richland Municipal
Roundtrip price
$436
Distance
558 mi

Book with confidence

Book with confidence

Minneapolis to Sidney Flights

The cheapest times to fly from Minneapolis to Sidney

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 Minneapolis to Sidney are during the month of November. You can find some of the cheapest flights from Minneapolis to Sidney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Minneapolis to Sidney

Sunday is one of the best days to book for cheap flights from Minneapolis to Sidney: 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 Minneapolis to Sidney

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 Minneapolis to Sidney in 2025. You can also book with separate airlines for your outbound and return journeys, from $259 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 Minneapolis to Sidney 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 Minneapolis to Sidney 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.

 

Minneapolis to Sidney Flights

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*Available to One Key members.