$315 Cheap Flights from Ottawa (YOW) to Dayton (DAY)

View $315 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Dayton Intl. Airport (DAY)

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Cheap Flights from Ottawa to Dayton (YOW-DAY)

Prices were available within the past 7 days and start at $315 for one-way flights and $575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 25 - Wed, Nov 26
YOW
Ottawa
DAY
Dayton
$575 Roundtrip, found 4 days ago
$575
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 25 from Ottawa to Dayton, returning Wed, Nov 26, priced at $575 found 4 days ago
United
Thu, Nov 20 - Tue, Nov 25
YOW
Ottawa
DAY
Dayton
$583 Roundtrip, found 4 days ago
$583
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 20 from Ottawa to Dayton, returning Tue, Nov 25, priced at $583 found 4 days ago
United
Thu, Nov 20 - Thu, Nov 27
YOW
Ottawa
DAY
Dayton
$591 Roundtrip, found 4 days ago
$591
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 20 from Ottawa to Dayton, returning Thu, Nov 27, priced at $591 found 4 days ago
United
Thu, Nov 20 - Sat, Nov 29
YOW
Ottawa
DAY
Dayton
$598 Roundtrip, found 4 days ago
$598
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 20 from Ottawa to Dayton, returning Sat, Nov 29, priced at $598 found 4 days ago
United
Sun, Mar 29 - Fri, Apr 17
YOW
Ottawa
DAY
Dayton
$606 Roundtrip, found 4 days ago
$606
Roundtrip
found 4 days ago
Select United flight, departing Sun, Mar 29 from Ottawa to Dayton, returning Fri, Apr 17, priced at $606 found 4 days ago
United
Sat, Sep 13 - Wed, Sep 24
YOW
Ottawa
DAY
Dayton
$616 Roundtrip, found 4 days ago
$616
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 13 from Ottawa to Dayton, returning Wed, Sep 24, priced at $616 found 4 days ago
United
Sun, Nov 23 - Sun, Nov 30
YOW
Ottawa
DAY
Dayton
$620 Roundtrip, found 4 days ago
$620
Roundtrip
found 4 days ago
Select United flight, departing Sun, Nov 23 from Ottawa to Dayton, returning Sun, Nov 30, priced at $620 found 4 days ago
Air Canada
Tue, Sep 9 - Wed, Sep 24
YOW
Ottawa
DAY
Dayton
$622 Roundtrip, found 5 days ago
$622
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Sep 9 from Ottawa to Dayton, returning Wed, Sep 24, priced at $622 found 5 days ago
Delta
Tue, Apr 28 - Thu, May 14
YOW
Ottawa
DAY
Dayton
$714 Roundtrip, found 4 days ago
$714
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 28 from Ottawa to Dayton, returning Thu, May 14, priced at $714 found 4 days ago
WestJet
Sun, Nov 23 - Sun, Nov 30
YOW
Ottawa
DAY
Dayton
$1,200 Roundtrip, found 4 days ago
$1,200
Roundtrip
found 4 days ago
Select WestJet flight, departing Sun, Nov 23 from Ottawa to Dayton, returning Sun, Nov 30, priced at $1,200 found 4 days ago

Alternative airports near Dayton

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

Select flight to James M. Cox Dayton Intl. DAY. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $672
DAY
James M. Cox Dayton Intl.
Cheapest
Average driving time to city center16 min
Flights from $672
Flights from Ottawa (YOW) to Dayton (DAY)
Origin airport
Macdonald-Cartier Intl.
Destination airport
James M. Cox Dayton Intl.
Roundtrip price
$569
Distance
573 mi

Ottawa to Dayton Flights

The cheapest times to fly from Ottawa to Dayton

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

 

The best time to book a flight from Ottawa to Dayton

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

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 Dayton in 2025. You can also book with separate airlines for your outbound and return journeys, from $315 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 Dayton 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 Dayton 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 Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY) cost?
Snag a cheap one-way flight from $315 or cheap return flight from $575 from Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY) 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 James M. Cox Dayton Intl. Airport (DAY)?
Traveling in November can help you save, as it's the cheapest month for flights between YOW and DAY. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY)?
To find the cheapest airline that'll fly you from YOW to DAY, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY)?
You'll need to hop on a flight with a layover if you're traveling from Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from YOW to DAY?
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 Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY)?
Book a flight from Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 James M. Cox Dayton Intl. Airport (DAY) last-minute?
Booking your ticket from YOW to DAY right before your trip is typically more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a YOW to DAY flight and hotel package?
Compared with arranging flights and hotels separately, booking a YOW to DAY flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to James M. Cox Dayton Intl. Airport (DAY)?
In most cases, you can cancel or reschedule your YOW to DAY flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.