Cheap Flights from Ottawa International to Houston

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Flight deals from Ottawa International to Houston

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to Houston? If you want to travel next month, return fares start from $1,046. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa International to Houston flights are currently cheapest in July.

Alternative Ottawa International to Houston routes

Looking for the cheapest, fastest or easiest route from Ottawa International to Houston? You could fly into the following airports instead.

Ottawa to Houston: Flight information

The things to know before you go.
Cheapest flight found$951
Cheapest month to flyJanuary

Finding cheap flights from Ottawa International to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Ottawa International to Houston is $951. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa International to Houston. But we found flights with one or more stops from $951.
As of May 2026, there are no flights flying from Ottawa International to Houston.
The cheapest month to fly from Ottawa International to Houston is usually January.
If you're flying from Ottawa International Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from $951.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to Houston on Friday, 22 January 2027.
No airlines currently offer direct flights between Ottawa International Airport and Houston. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 25°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, United offers the cheapest flight tickets to Houston.

Flying from Ottawa/Macdonald-Cartier International Airport (YOW) to Houston: what you need to know

  • Ottawa/Macdonald-Cartier International Airport is located in Ottawa. Following the UTC-5 timezone, Houston is one hour behind Ottawa.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your YOW to Houston flight.

  • During popular months like August, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a peak period in general.

  • Travelling from central Ottawa to YOW takes around 45 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic.

  • Looking for a hotel close to YOW? If you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to Houston, these accommodation options will put you moments from your departure lounge:

  • When it comes to the on-time performance of Ottawa/Macdonald-Cartier International Airport, data shows 58.21% of flights arrive within the scheduled time frame.

  • You'll find YOW at 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Houston

  • The lowest price we've seen for a one-way Ottawa/Macdonald-Cartier International Airport to Houston flight is $522. The cheapest price for a return flight is $951. Bear in mind fares can change due to availability at the time of booking.

  • Don't leave everything to the last moment. You're more likely to pick up cheap flights from YOW to Houston if you book early. Airlines often have some excellent early bird deals.

  • Landing cheap tickets from Ottawa/Macdonald-Cartier International Airport to Houston is more likely if you're flexible with your trip dates. Use the 'Whole month' search function to get the lowest prices across each month and walk away with an awesome deal.

  • Snapping up a cheap flight from YOW to Houston is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know when a lower fare pops up.

  • Tailor your flights with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Ottawa/Macdonald-Cartier International Airport to Houston.

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • William P. Hobby Airport (HOU) is about 19 kilometres from the centre of Houston. Following your flight from Ottawa/Macdonald-Cartier International Airport to Houston, it'll take you around 20 minutes to reach the heart of the city in a cab or ride-share.

  • If you're catching public transport, it'll take about 1 hour 40 minutes.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near HOU. Here are a few options where you can put your feet up after your YOW to Houston flight:

  • Easirent, Dollar and Thrifty make picking up a William P. Hobby Airport rental car simple. These trusted providers are located in or around the terminal and will have you behind the wheel before you know it.

  • Don't pay more than you need to. Reserving your ride four weeks ahead of your arrival at HOU can help you lock in a better rate.

  • The address for William P. Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • Carefully consider your dates before securing your flight from Ottawa/Macdonald-Cartier International Airport to Houston. The city comes alive in high season, but rates are typically higher and top attractions can get busy. Plan your trip to Houston in low season if you prefer a more relaxed vibe.

  • Lock in an Ottawa/Macdonald-Cartier International Airport to Houston flight ticket with a departure in August if you want to experience the city during its warmest month. Expect temperatures to range from 24ºC to 40ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from YOW to Houston in January when temperatures average between 5ºC and 19ºC.

More about Houston

Explore more of United States

  • San Antonio is just one of the many cities in United States waiting to be explored once you've seen the sights of Houston. Around 306 kilometres away to the west, top sights here include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • If you're ready to explore another corner of United States, consider Dallas, about 370 kilometres north of Houston. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.