$268 Cheap Flights from Houston (HOU) to Ottawa (YOW)

View $268 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Ottawa International Airport (YOW)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Houston to Ottawa (HOU-YOW)

Prices were available within the past 7 days and start at $268 for one-way flights and $592 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 22 - Fri, Sep 26
IAH
Houston
YOW
Ottawa
$592 Roundtrip, found 2 days ago
$592
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 22 from Houston to Ottawa, returning Fri, Sep 26, priced at $592 found 2 days ago
United
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
YOW
Ottawa
$594 Roundtrip, found 5 days ago
$594
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Houston to Ottawa, returning Tue, Sep 9, priced at $594 found 5 days ago
United
Sun, Aug 3 - Thu, Aug 7
IAH
Houston
YOW
Ottawa
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 3 from Houston to Ottawa, returning Thu, Aug 7, priced at $603 found 2 days ago
United
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
YOW
Ottawa
$604 Roundtrip, found 5 days ago
$604
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Houston to Ottawa, returning Tue, Sep 9, priced at $604 found 5 days ago
WestJet
Thu, Oct 16 - Mon, Oct 20
IAH
Houston
YOW
Ottawa
$605 Roundtrip, found 1 day ago
$605
Roundtrip
found 1 day ago
Select WestJet flight, departing Thu, Oct 16 from Houston to Ottawa, returning Mon, Oct 20, priced at $605 found 1 day ago
WestJet
Sat, Sep 6 - Tue, Sep 9
IAH
Houston
YOW
Ottawa
$609 Roundtrip, found 2 days ago
$609
Roundtrip
found 2 days ago
Select WestJet flight, departing Sat, Sep 6 from Houston to Ottawa, returning Tue, Sep 9, priced at $609 found 2 days ago
United
Mon, Sep 22 - Fri, Sep 26
IAH
Houston
YOW
Ottawa
$611 Roundtrip, found 2 days ago
$611
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 22 from Houston to Ottawa, returning Fri, Sep 26, priced at $611 found 2 days ago
WestJet
Sat, Sep 20 - Tue, Sep 30
IAH
Houston
YOW
Ottawa
$612 Roundtrip, found 8 hours ago
$612
Roundtrip
found 8 hours ago
Select WestJet flight, departing Sat, Sep 20 from Houston to Ottawa, returning Tue, Sep 30, priced at $612 found 8 hours ago
Air Canada
Thu, Aug 14 - Fri, Aug 15
IAH
Houston
YOW
Ottawa
$652 Roundtrip, found 2 days ago
$652
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Aug 14 from Houston to Ottawa, returning Fri, Aug 15, priced at $652 found 2 days ago
Delta
Thu, Aug 7 - Sat, Aug 9
HOU
Houston
YOW
Ottawa
$908 Roundtrip, found 5 days ago
$908
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Aug 7 from Houston to Ottawa, returning Sat, Aug 9, priced at $908 found 5 days ago

Find the cheapest month to fly from Houston (HOU) to Ottawa (YOW)

September is typically the cheapest month to fly

From $510 - $1,424 per traveler.

Graph displaying average flight prices per month

Flights from Houston (IAH) to Ottawa (YOW)
Origin airport
George Bush Intercontinental
Destination airport
Macdonald-Cartier Intl.
Airlines serving
WestJet
Roundtrip price
$592
Distance
1502 mi

Houston to Ottawa Flights

The cheapest times to fly from Houston to Ottawa

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

 

The best time to book a flight from Houston to Ottawa

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

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 Houston to Ottawa in 2025. You can also book with separate airlines for your outbound and return journeys, from $268 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 Houston to Ottawa 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 Houston to Ottawa 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 William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW) cost?
Discover the latest flight deals from HOU to YOW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HOU to YOW?
The cheapest flights from HOU to YOW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HOU to YOW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HOU to YOW. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW)?
There are no daily nonstop flights departing from William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from HOU to YOW?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW)?
Choose a flight from William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour 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.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW) last-minute?
Waiting until just before your departure to book a flight from HOU to YOW generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a HOU to YOW flight and hotel package?
Booking a HOU to YOW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Macdonald-Cartier Intl. Airport (YOW)?
If you reserved your HOU to YOW flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after 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'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.