$355 Cheap Flights from Sidney (SDY) to Cincinnati (CVG)

View $355 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Sidney, MT (SDY-Sidney-Richland Municipal) to Cincinnati-Northern Kentucky Int'l Airport (CVG)

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Cheap Flights from Sidney to Cincinnati (SDY-CVG)

Prices were available within the past 7 days and start at $355 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sidney (SDY) to Cincinnati (CVG)
Origin airport
Sidney-Richland Municipal
Destination airport
Cincinnati - Northern Kentucky Intl.
Distance
1143 mi

Sidney to Cincinnati Flights

The cheapest times to fly from Sidney to Cincinnati

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

 

The best time to book a flight from Sidney to Cincinnati

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

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 Sidney to Cincinnati in 2025. You can also book with separate airlines for your outbound and return journeys, from $355 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 Sidney to Cincinnati 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 Sidney to Cincinnati 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.

 

Frequently asked questions

How much does a flight from Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG) cost?
Secure a cheap one-way flight from $355 or cheap return flight from Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG) 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 Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
The cheapest month to fly from SDY to CVG is , when demand is low. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SDY to CVG. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
There are no daily nonstop flights departing from Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SDY to CVG?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
To avoid possible delays on the Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG) last-minute?
Last-minute bookings from SDY to CVG are usually more expensive. To secure the best rates, start looking for flights well in advance. That being said, if you're flexible with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a SDY to CVG flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDY to CVG flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sidney-Richland Municipal Airport (SDY) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
It's generally possible to cancel or reschedule your SDY to CVG flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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