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CA $434 Cheap Flights from Houston (IAH) to Ottawa (YOW)

View CA $434 flight on Sat, Nov 14, 2026Opens in a new window

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

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Cheap flights from Houston (IAH) to Ottawa (YOW)

Prices were available within the past 7 days and start at CA $434 for one-way flights and CA $905 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Sep 1 - Wed, Sep 2
IAH
Houston
YOW
Ottawa
CA $905 Roundtrip, found 1 day ago
CA $905
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 1 from Houston to Ottawa, returning Wed, Sep 2, priced at CA $905 found 1 day ago
Delta
Tue, Sep 1 - Wed, Sep 2
IAH
Houston
YOW
Ottawa
CA $958 Roundtrip, found 1 day ago
CA $958
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 1 from Houston to Ottawa, returning Wed, Sep 2, priced at CA $958 found 1 day ago
JetBlue Airways
Mon, Jul 27 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $963 Roundtrip, found 1 day ago
CA $963
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Jul 27 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $963 found 1 day ago
JetBlue Airways
Sat, Aug 15 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $972 Roundtrip, found 3 days ago
CA $972
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Aug 15 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $972 found 3 days ago
JetBlue Airways
Sat, Aug 15 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $977 Roundtrip, found 3 days ago
CA $977
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Aug 15 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $977 found 3 days ago
JetBlue Airways
Sat, Aug 15 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $979 Roundtrip, found 3 days ago
CA $979
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Aug 15 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $979 found 3 days ago
American Airlines
Tue, Aug 4 - Tue, Aug 18
IAH
Houston
YOW
Ottawa
CA $981 Roundtrip, found 5 days ago
CA $981
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Aug 4 from Houston to Ottawa, returning Tue, Aug 18, priced at CA $981 found 5 days ago
WestJet
Mon, Jul 27 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $985 Roundtrip, found 1 day ago
CA $985
Roundtrip
found 1 day ago
Select WestJet flight, departing Mon, Jul 27 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $985 found 1 day ago
WestJet
Mon, Jul 27 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $986 Roundtrip, found 1 day ago
CA $986
Roundtrip
found 1 day ago
Select WestJet flight, departing Mon, Jul 27 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $986 found 1 day ago
JetBlue Airways
Mon, Jul 27 - Fri, Aug 21
IAH
Houston
YOW
Ottawa
CA $995 Roundtrip, found 1 day ago
CA $995
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Jul 27 from Houston to Ottawa, returning Fri, Aug 21, priced at CA $995 found 1 day ago

Alternative airports near Ottawa

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

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city centre is 15 minutes. Flights from CA $1,124
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city centre15 min
Flights from CA $1,124

Frequently asked questions

What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
January is typically the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), with average return fares of approximately £289. This is about 50% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) include August and October.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Based on booking data from the past year, the cheapest months to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) are typically January and August, with average return flights around £289. While these months offer the best value, it's worth noting that they might not always align with peak travel times, so you'll want to consider your travel preferences.*Prices based on flights available on Expedia in the last year.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are approximately 65 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), and LaGuardia (LGA).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and Porter Airlines. This is a seasonal service active in April. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
You'll find the most flights from George Bush Intercontinental (IAH) to Macdonald-Cartier Intl. (YOW) on a Sunday, with around 54 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Delta Air Lines, and Air Canada.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The most popular departure times for flights from George Bush Intercontinental (IAH) to Macdonald-Cartier Intl. (YOW) are in the early morning, from 6am to 9am. Approximately 39% of passengers prefer this time window. Many major carriers, including United Airlines and Air Canada, offer flights during this window. These times work well because you can get an early start to your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Flights from IAH to YOW with one stop typically take around 6 hours, covering approximately 1,503 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Select the "Business class" and "First class" filters when looking for IAH to YOW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ottawa from George Bush Intercontinental (IAH)?
From George Bush Intercontinental (IAH), you can fly into Macdonald-Cartier Intl. (YOW) to reach Ottawa. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Orlando Intl. (MCO), Denver Intl. (DEN) before reaching Ottawa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada, American Airlines, United, WestJet
Roundtrip price
CA $905
Distance
2403 km

Book with confidence

Houston to Ottawa Flights

The easy way to book your flights from Houston to Ottawa 

With Expedia, it’s simple to find and book flights to Ottawa from Houston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Macdonald-Cartier Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Houston to Ottawa today, tomorrow, or this week.  

 

Save dollars with cheap flights from George Bush Intercontinental, IAH to Macdonald-Cartier Intl., YOW 

Sort your search results by price to find great deals on your flight from Houston to Ottawa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ottawa from Houston currently is just CA $905 rising to CA $995.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ottawa  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ottawa from Houston 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ottawa with Expedia today.

Houston to Ottawa Flights

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*Available to Expedia members.