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£252 Cheap Flights from Houston (IAH) to Ottawa (YOW)

View £252 flight on Fri, 16 Oct 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 £252 for one-way flights and £889 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£889 Return, found 3 days ago
£889
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £889 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£892 Return, found 3 days ago
£892
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £892 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£895 Return, found 3 days ago
£895
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £895 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£898 Return, found 3 days ago
£898
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £898 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£910 Return, found 3 days ago
£910
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £910 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£913 Return, found 3 days ago
£913
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £913 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£913 Return, found 3 days ago
£913
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £913 found 3 days ago
Air Canada
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£914 Return, found 3 days ago
£914
Return
found 3 days ago
Select Air Canada flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £914 found 3 days ago
WestJet
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£920 Return, found 3 days ago
£920
Return
found 3 days ago
Select WestJet flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £920 found 3 days ago
JetBlue Airways
Thu, 6 Aug - Sun, 9 Aug
IAH
Houston
YOW
Ottawa
£926 Return, found 3 days ago
£926
Return
found 3 days ago
Select JetBlue Airways flight, departing Thu, 6 Aug from Houston to Ottawa, returning Sun, 9 Aug, priced at £926 found 3 days ago

Frequently asked questions

How much does a flight from Houston, TX (IAH) to Ottawa, ON (YOW) cost?
You can find one-way and return flights from Houston, TX (IAH) to Ottawa, ON (YOW) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAH to YOW ticket fares go up or down.
What is the cheapest month to fly from Houston, TX (IAH) to Ottawa, ON (YOW)?
The cheapest months to fly from Houston, TX (IAH) to Ottawa, ON (YOW) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Enter IAH to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), with prices starting from around £652 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class, and include a layover in Miami Intl. (MIA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Houston, TX (IAH) to Ottawa, ON (YOW)?
To find a cheap flight from Houston, TX (IAH) to Ottawa, ON (YOW), 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.)?
If you're looking for the cheapest flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), you'll typically find the best deals in January or August, with average return flights around £289. However, if you prefer to travel when there are more flight options and higher demand, May is a popular month for this route. While May might not be the absolute cheapest, it offers a good balance of availability and a pleasant travel experience.
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 around 5:00 AM local time. This service is operated by American Airlines and Porter Airlines. This is a seasonal service, active only in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are no nonstop flights from Houston, TX (IAH-George Bush Intercontinental) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). For flights with one stop, you can expect the journey to take around 6 hours. If your flight has two or more stops, the travel time typically increases to about 13 hours. The distance covered on this route is approximately 2419 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Houston, TX (IAH) to Ottawa, ON (YOW)?
Select the "Business class" and "First class" filters when looking for Houston, TX (IAH) to Ottawa, ON (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, ON (YOW) from Houston, TX (IAH)?
If you're planning to travel to Ottawa from George Bush Intercontinental (IAH), you can fly directly into Macdonald-Cartier Intl. (YOW). Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Orlando Intl. (MCO), or 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) to Ottawa, ON (YOW)?
If you booked your Houston, TX (IAH) to Ottawa, ON (YOW) 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.
Return price
£888
Distance
2403 km

Book with confidence

Compare flights from Houston to Ottawa easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Ottawa. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Macdonald-Cartier Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Macdonald-Cartier Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from George Bush Intercontinental (IAH) to Macdonald-Cartier Intl. (YOW)

The easiest way to view the best deals on flights from Houston to Ottawa today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Macdonald-Cartier Intl. start at just £889 and range up to £926.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Ottawa
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Houston to Ottawa flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Macdonald-Cartier Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Houston to Ottawa easily and book with confidence

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*Available to Expedia members.