Cheap Flights from Ottawa (YOW) to Decatur (DEC)

Popular airlines from Ottawa International Airport (YOW) to Decatur, IL (DEC)

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Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Decatur Airport (DEC) cost?
Lock in a cheap one-way flight or cheap return flight from Macdonald-Cartier Intl. Airport (YOW) to Decatur Airport (DEC) 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 Macdonald-Cartier Intl. Airport (YOW) to Decatur Airport (DEC)?
is the most affordable month to fly from YOW to DEC. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to Decatur Airport (DEC)?
To find the cheapest airline that'll fly you from YOW to DEC, 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 Decatur Airport (DEC)?
Nonstop flights from Macdonald-Cartier Intl. Airport (YOW) to Decatur Airport (DEC) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YOW to DEC?
Usually you'll find the largest 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 Decatur Airport (DEC)?
To arrive at Decatur Airport (DEC) on schedule, choose a flight that leaves Macdonald-Cartier Intl. Airport (YOW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Decatur Airport (DEC) last-minute?
Booking your flight from YOW to DEC right before your trip is usually more expensive. However, if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a YOW to DEC flight and hotel package?
You'll typically save money by securing a YOW to DEC 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 it all in one place. Once you've chosen your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Decatur Airport (DEC)?
It's generally possible to reschedule or cancel your YOW to DEC flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Decatur
Distance
770 mi

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Ottawa to Decatur Flights

The cheapest times to fly from Ottawa to Decatur

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

 

The best time to book a flight from Ottawa to Decatur

Sunday is one of the best days to book for cheap flights from Ottawa to Decatur: 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 Decatur

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 Decatur 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 Decatur 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 Decatur 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 Decatur Flights

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*Available to One Key members.