$238 Cheap Flights from Ottawa (YOW) to Houston (IAH)

View $238 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to George Bush Intercontinental Airport (IAH)

Cheap Flights from Ottawa to Houston (YOW-IAH)

Prices were available within the past 7 days and start at $238 for one-way flights and $456 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, Nov 20 - Wed, Dec 3
YOW
Ottawa
IAH
Houston
$456 Roundtrip, found 5 days ago
$456
Roundtrip
found 5 days ago
Select WestJet flight, departing Thu, Nov 20 from Ottawa to Houston, returning Wed, Dec 3, priced at $456 found 5 days ago
WestJet
Thu, Nov 20 - Thu, Nov 27
YOW
Ottawa
IAH
Houston
$482 Roundtrip, found 5 days ago
$482
Roundtrip
found 5 days ago
Select WestJet flight, departing Thu, Nov 20 from Ottawa to Houston, returning Thu, Nov 27, priced at $482 found 5 days ago
Air Canada
Thu, Dec 4 - Wed, Dec 10
YOW
Ottawa
IAH
Houston
$498 Roundtrip, found 6 days ago
$498
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Dec 4 from Ottawa to Houston, returning Wed, Dec 10, priced at $498 found 6 days ago
Air Canada
Wed, Nov 12 - Wed, Nov 19
YOW
Ottawa
IAH
Houston
$499 Roundtrip, found 4 days ago
$499
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Nov 12 from Ottawa to Houston, returning Wed, Nov 19, priced at $499 found 4 days ago
United
Wed, Nov 12 - Wed, Nov 19
YOW
Ottawa
IAH
Houston
$503 Roundtrip, found 4 days ago
$503
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 12 from Ottawa to Houston, returning Wed, Nov 19, priced at $503 found 4 days ago
Air Canada
Sat, Nov 15 - Fri, Nov 28
YOW
Ottawa
IAH
Houston
$505 Roundtrip, found 5 days ago
$505
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Nov 15 from Ottawa to Houston, returning Fri, Nov 28, priced at $505 found 5 days ago
WestJet
Sun, Nov 16 - Fri, Dec 5
YOW
Ottawa
IAH
Houston
$516 Roundtrip, found 5 days ago
$516
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Nov 16 from Ottawa to Houston, returning Fri, Dec 5, priced at $516 found 5 days ago
United
Sun, Dec 7 - Wed, Dec 10
YOW
Ottawa
IAH
Houston
$518 Roundtrip, found 6 days ago
$518
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 7 from Ottawa to Houston, returning Wed, Dec 10, priced at $518 found 6 days ago
United
Sun, Dec 7 - Wed, Dec 10
YOW
Ottawa
IAH
Houston
$523 Roundtrip, found 6 days ago
$523
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 7 from Ottawa to Houston, returning Wed, Dec 10, priced at $523 found 6 days ago
United
Sun, Dec 7 - Wed, Dec 10
YOW
Ottawa
IAH
Houston
$525 Roundtrip, found 6 days ago
$525
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 7 from Ottawa to Houston, returning Wed, Dec 10, priced at $525 found 6 days ago

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

November is typically the cheapest month to fly

From $301 - $819 per traveler.

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $910
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $910
Flights from Ottawa (YOW) to Houston (IAH)
Origin airport
Macdonald-Cartier Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, United, WestJet
Roundtrip price
$455
Distance
1502 mi

Ottawa to Houston Flights

The cheapest times to fly from Ottawa to Houston

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

 

The best time to book a flight from Ottawa to Houston

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

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 Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $238 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 Houston 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 Houston 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 George Bush Intercontinental Airport (IAH) cost?
Snag a cheap one-way flight from $238 or cheap return flight from $456 from Macdonald-Cartier Intl. Airport (YOW) to George Bush Intercontinental Airport (IAH) 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 George Bush Intercontinental Airport (IAH)?
Traveling in November can help you save, as it's the cheapest month for flights between YOW and IAH. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest YOW to IAH flight.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to George Bush Intercontinental Airport (IAH)?
Nonstop flights from Macdonald-Cartier Intl. Airport (YOW) to George Bush Intercontinental Airport (IAH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YOW to IAH?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, season 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 George Bush Intercontinental Airport (IAH)?
To avoid possible delays on the Macdonald-Cartier Intl. Airport (YOW) to George Bush Intercontinental Airport (IAH) route, aim to fly before 3 PM. Later departures 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 George Bush Intercontinental Airport (IAH) last-minute?
Last-minute bookings from YOW to IAH are generally more expensive. To secure the best prices, 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 your trip.
Is it cheaper to book a YOW to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a YOW to IAH flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to George Bush Intercontinental Airport (IAH)?
It's generally possible to reschedule or cancel your YOW to IAH flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.