Cheap Flights from Ottawa (YOW) to Sidney (SDY)

Popular airlines from Ottawa International Airport (YOW) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY) cost?
Grab a cheap one-way flight or cheap return flight from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY) 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 Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY)?
is the least expensive month to fly from YOW to SDY. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY)?
To find the cheapest airline that'll fly you from YOW to SDY, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY)?
There aren't any daily direct flights departing from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from YOW to SDY?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY)?
To avoid potential delays on the Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY) route, aim to fly before 3 PM. Departures after this hour are 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 Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY) last-minute?
Booking your flight from YOW to SDY shortly before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a YOW to SDY flight and hotel package?
You can save money by securing a YOW to SDY flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Sidney-Richland Municipal Airport (SDY)?
In most cases, you're able to reschedule or cancel your YOW to SDY flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Sidney-Richland Municipal
Distance
1358 mi

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Ottawa to Sidney Flights

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

 

The best time to book a flight from Ottawa to Sidney

Sunday is one of the best days to book for cheap flights from Ottawa 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 Ottawa 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 Ottawa to Sidney 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 Ottawa 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 Ottawa 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.

 

Ottawa to Sidney Flights

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*Available to One Key members.