Featured airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap flights from Ottawa (YOW) to Houston (IAH)
Prices were available within the past 7 days and start at CA $368 for one-way flights and CA $637 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Macdonald-Cartier Intl. |
Destination airport | George Bush Intercontinental |
Airlines serving | Air Canada, United, WestJet |
Roundtrip price | CA $636 |
Distance | 2403 km |
Ottawa to Houston Flights
The easy way to book your flights from Ottawa to Houston
With Expedia, it’s simple to find and book flights to Houston from Ottawa 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 George Bush Intercontinental, 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 Ottawa to Houston today, tomorrow, or this week.
Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to George Bush Intercontinental, IAH
Sort your search results by price to find great deals on your flight from Ottawa to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Ottawa currently is just CA $637 rising to CA $1,129.
Here are more money-saving tips:
- Fly in May when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Houston
- 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 Houston from Ottawa
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 Houston with Expedia today.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Other Airlines
- Main Airports for Flights
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Ottawa
- Ottawa to Newark Liberty Intl. Airport (YOW - EWR)
- Ottawa to Calgary (YOW - YYC)
- Ottawa to Los Angeles (YOW - LAX)
- Ottawa to Fort Lauderdale (YOW - FLL)
- Ottawa to New York (YOW - LGA)
- Ottawa to Paris (YOW - CDG)
- Ottawa to Winnipeg (YOW - YWG)
- Ottawa to Halifax (YOW - YHZ)
- Ottawa to New York (YOW - JFK)
- Ottawa to Tokyo (YOW - NRT)
- Ottawa to Vancouver (YOW - YVR)
- Ottawa to London (YOW - LHR)
Top Routes to Houston
- Calgary to Houston (YYC - IAH)
- Yellowknife to Houston (YZF - IAH)
- Kelowna to Houston (YLW - IAH)
- Detroit to Houston (DTW - IAH)
- Saskatoon to Houston (YXE - IAH)
- Winnipeg to Houston (YWG - IAH)
- Halifax to Houston (YHZ - IAH)
- Seattle to Houston (SEA - IAH)
- Montreal to Houston (YUL - IAH)
- Saint John to Houston (YSJ - IAH)
- Buffalo to Houston (BUF - IAH)
- Vancouver to Houston (YVR - IAH)
Top Routes from Ottawa
- Porter Airlines Ottawa to Newark Liberty Intl. Airport
- WestJet Ottawa to Calgary
- WestJet Ottawa to Los Angeles
- Air Canada Ottawa to Paris
- WestJet Ottawa to Winnipeg
- Porter Airlines Ottawa to Halifax
- Air Canada Ottawa to Tokyo
- WestJet Ottawa to Vancouver
- Air Canada Ottawa to London
- WestJet Ottawa to Abbotsford
Top Routes to Houston
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to Miami
- Flights to Chicago
- Flights to Panama City Beach
- Flights to San Diego
- Flights to Myrtle Beach
- Flights to Key West
- Flights to Destin
- Flights to Fort Lauderdale
- Flights to Los Angeles
- Flights to Nashville
- Flights to Honolulu
- Flights to New Orleans
- Flights to Boston
- Flights to Gatlinburg
- Flights to Houston
- Flights to Kissimmee
- Flights to Phoenix