Cheap flights from Ottawa to Houston

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Flight deals from Ottawa to Houston

Looking for a cheap last-minute deal or the best round-trip flight from Ottawa to Houston? If you want to travel next month, round-trip fares start from $410. Find the lowest prices on one-way and round-trip tickets right here.

Houston.$396 per passenger.Departing Thu, Oct 15, returning Fri, Oct 30.Round-trip flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departing from Ottawa International on Thu, Oct 15, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Oct 30, arriving in Ottawa International.Price includes taxes and charges.From $396, select.

Houston.$396 per passenger.Departing Wed, Aug 26, returning Wed, Sep 9.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Wed, Aug 26, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Wed, Sep 9, arriving in Ottawa International.Price includes taxes and charges.From $396, select.

Houston.$397 per passenger.Departing Tue, Sep 1, returning Tue, Sep 15.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Tue, Sep 1, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Sep 15, arriving in Ottawa International.Price includes taxes and charges.From $397, select.

Houston.$410 per passenger.Departing Wed, Aug 12, returning Tue, Aug 18.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Wed, Aug 12, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Aug 18, arriving in Ottawa International.Price includes taxes and charges.From $410, select.

Houston.$439 per passenger.Departing Tue, Sep 22, returning Thu, Oct 8.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Tue, Sep 22, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Thu, Oct 8, arriving in Ottawa International.Price includes taxes and charges.From $439, select.

Houston.$525 per passenger.Departing Wed, Nov 18, returning Fri, Nov 20.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Wed, Nov 18, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Nov 20, arriving in Ottawa International.Price includes taxes and charges.From $525, select.

Houston.$572 per passenger.Departing Sat, Jan 16, returning Mon, Jan 25.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Sat, Jan 16, arriving in Houston George Bush Intercntl..Inbound indirect flight with Air Canada, departing from Houston George Bush Intercntl. on Mon, Jan 25, arriving in Ottawa International.Price includes taxes and charges.From $572, select.

Houston.$594 per passenger.Departing Fri, Feb 19, returning Sat, Feb 27.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Fri, Feb 19, arriving in Houston George Bush Intercntl..Inbound indirect flight with United, departing from Houston George Bush Intercntl. on Sat, Feb 27, arriving in Ottawa International.Price includes taxes and charges.From $594, select.

Houston.$647 per passenger.Departing Thu, Dec 17, returning Mon, Jan 4.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Thu, Dec 17, arriving in Houston George Bush Intercntl..Inbound indirect flight with United, departing from Houston George Bush Intercntl. on Mon, Jan 4, arriving in Ottawa International.Price includes taxes and charges.From $647, select.

Houston.$675 per passenger.Departing Fri, May 14, returning Sun, May 23.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Fri, May 14, arriving in Houston George Bush Intercntl..Inbound indirect flight with United, departing from Houston George Bush Intercntl. on Sun, May 23, arriving in Ottawa International.Price includes taxes and charges.From $675, select.

Houston.$676 per passenger.Departing Tue, Dec 22, returning Tue, Dec 29.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Tue, Dec 22, arriving in Houston George Bush Intercntl..Inbound indirect flight with United, departing from Houston George Bush Intercntl. on Tue, Dec 29, arriving in Ottawa International.Price includes taxes and charges.From $676, select.

Houston.$676 per passenger.Departing Fri, Jan 22, returning Mon, Feb 1.Round-trip flight with United.Outbound indirect flight with United, departing from Ottawa International on Fri, Jan 22, arriving in Houston George Bush Intercntl..Inbound indirect flight with United, departing from Houston George Bush Intercntl. on Mon, Feb 1, arriving in Ottawa International.Price includes taxes and charges.From $676, select.

Houston.$679 per passenger.Departing Fri, Jul 31, returning Fri, Aug 7.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Ottawa International on Fri, Jul 31, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Aug 7, arriving in Ottawa International.Price includes taxes and charges.From $679, select.

Houston.$816 per passenger.Departing Sat, Jul 25, returning Tue, Jul 28.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Sat, Jul 25, arriving in Houston George Bush Intercntl..Inbound indirect flight with Air Canada, departing from Houston George Bush Intercntl. on Tue, Jul 28, arriving in Ottawa International.Price includes taxes and charges.From $816, select.

Houston.$832 per passenger.Departing Sat, Feb 27, returning Sun, Mar 7.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Ottawa International on Sat, Feb 27, arriving in Houston George Bush Intercntl..Inbound indirect flight with Air Canada, departing from Houston George Bush Intercntl. on Sun, Mar 7, arriving in Ottawa International.Price includes taxes and charges.From $832, select.

Find the cheapest month to fly from Ottawa to Houston

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

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Alternative Ottawa to Houston routes

Looking for the cheapest, fastest or easiest route from Ottawa 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	$396
Cheapest month to fly	August

Finding cheap flights from Ottawa to Houston: Frequently asked questions

How many airports are there in Houston?

There are 3 airports in Houston: Houston Hobby, Houston George Bush Intercntl. and Houston Ellington Field.

How much are round-trip flights from Ottawa to Houston?

The best price we found for a round-trip flight from Ottawa to Houston is $396. 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.

Which airlines fly direct from Ottawa to Houston?

Currently, there are no airlines that fly direct from Ottawa to Houston. But we found flights with one or more stops from $396.

How many flights are there a week from Ottawa to Houston?

There are no flights flying from Ottawa to Houston, as of July 2026.

When is the cheapest time to fly from Ottawa to Houston?

The cheapest month to fly from Ottawa to Houston is usually August.

What's the cheapest airport to fly to in Houston?

If you're flying from Ottawa, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 24.9 km away from the center of Houston. We've found flights to this airport from $396.

Which upcoming date is cheapest to fly from Ottawa to Houston on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Houston on Wednesday, August 26, 2026.

Can I get a direct flight from Ottawa to Houston?

No airlines currently offer direct flights between Ottawa and Houston. Most routes have one or more stops.

How can I get the best flight deal from Ottawa to Houston?

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.

When is the best time to book flights to Houston?

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.

What’s the weather like in Houston?

In July, the average temperature is usually around 29°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.

Which is the cheapest airline to fly with from Ottawa to Houston?

The cheapest airline that flies to Houston is Porter Airlines.

Traveling from Ottawa to Houston: what you need to know

Planning your getaway begins with working out where you'll leave from in Ottawa. Ottawa International Airport (YOW) is the city's main base, so explore your options for reserving a flight from Ottawa to Houston departing from here.
Houston George Bush Intercntl. Airport (IAH) and Houston Hobby Airport (HOU) are Houston's major gateways.
Houston is one hour behind Ottawa and follows the UTC-6 timezone.
To ensure you make it on your Ottawa to Houston flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.
During popular months such as July, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're traveling during high season in general.

How to find the cheapest flights from Ottawa to Houston

To pick up cheap Ottawa to Houston flights, book ahead. Airlines typically offer their most competitively priced fares when tickets first go on sale.
The 'Whole month' search tool will show you the cheapest plane tickets from Ottawa to Houston across the entire month. It's an easy way to snap up a bargain if your plans aren't set in stone.
You don't need to check every day to find out if prices have dropped when you create a Price Alert. We'll notify you the moment a better deal is available on cheap flights from Ottawa to Houston.
Save money on your Ottawa to Houston flight with the help of our filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Flying from Ottawa

Ottawa International Airport (YOW)

Located around 11 kilometers from central Ottawa, YOW can be reached in about 20 minutes by car (depending on traffic). The journey on public transport is roughly 35 minutes.
After a stress-free start to your break? Stay near Ottawa International Airport. Whether you're taking an early flight from Ottawa to Houston or just don't like being rushed, these hotels are ideal:
When it comes to the on-time performance of Ottawa International Airport, 65% of flights arrive within the expected time frame.
You'll find YOW at 50 Airport Road.

Arriving in Houston

Houston George Bush Intercntl. Airport (IAH)

The distance from Houston George Bush Intercntl. Airport (IAH) to central Houston is roughly 26 kilometers. It takes about 30 minutes to reach the center driving.
It typically takes 1 hour 10 minutes to get there when traveling by public transport.
The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Ottawa to Houston. Stay at one of these accommodation options near IAH instead:
Grab a Houston George Bush Intercntl. Airport rental car and explore Houston and beyond with your own set of wheels. Dollar, Thrifty and Sixt are top outlets to choose from here.
To lock in the lowest price, book your vehicle from Houston George Bush Intercntl. Airport about three weeks in advance of your Ottawa to Houston flight.
You'll find IAH at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

After your flight from Ottawa to Houston has landed, you can make your way to the city center in about 20 minutes by car. Central Houston is roughly 16 kilometers from Houston Hobby Airport (HOU).
If you travel by public transport, you'll get to the city center in 50 minutes or so.
After your flight from Ottawa to Houston, settle in at a hotel close to HOU. These are some comfortable options that'll help you sink into relaxation mode:
Forget about inconvenient public transport timetables or cab lines. Pick up a Houston Hobby Airport rental car and take your journey in whatever direction you like. Compare offers from Easirent, Dollar and Thrifty.
Secure your first choice, not your last resort. Securing your ride from HOU four weeks ahead of time often means better prices and a wider range of vehicles.
Houston Hobby Airport can be found at 7800 Airport Boulevard.

Best time to go to Houston

July is the most popular month for flights from Ottawa to Houston. To escape the crowds, go to Houston in September.
The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your Ottawa to Houston ticket then if that's your ideal forecast.
January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap flights from Ottawa to Houston around that time if you like cooler conditions.

More about Houston

After booking your flight from Ottawa to Houston, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Houston:
Audrey Jones Beck Building at the Museum of Fine Arts, Houston and Houston Museum of Natural Science are just the start of the leading attractions to add to your Houston travel itinerary. Keep the momentum going by heading to The Menil Collection.

Explore more of the United States

You've visited Houston, now it's time to explore more of the United States. Travel about 306 kilometers west to San Antonio to tick off its leading sights. From San Antonio River Walk to Selena Quintanilla Mural and Historic Market Square, you've got a jam-packed schedule ahead.
Dallas is another favorite destination in the United States and is around 370 kilometers north of Houston. No trip is complete without experiencing Dallas Symphony Orchestra at Meyerson Symphony Center, Winspear Opera House and Dallas Museum of Art.