C$ 332 Find Cheap Flights from Ottawa to Houston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ottawa to Houston departing on 21/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ottawa to Houston, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 375
Typical prices: C$ 856-C$ 961
Multiple Airlines
Sat 17/1Fri 6/2
YOW - IAH • 1 stop
Cheapest one-way flights
C$ 332
Multiple Airlines
Sat 21/3
YOW - IAH • 1 stop
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ottawa to Houston (YOW-HOU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ottawa to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to Houston

Sat, 17 Jan - Fri, 6 Feb
Multiple Airlines Logo
4:15 p.m. - 1:20 p.m.
YOW
-
IAH
22h 05m1 stop
Multiple Airlines Logo
11:08 a.m. - 5:15 p.m.
IAH
-
YOW
29h 07m1 stop
C$ 375Multiple Airlines
Thu, 22 Jan - Fri, 6 Feb
Multiple Airlines Logo
4:15 p.m. - 11:58 p.m.
YOW
-
IAH
8h 43m1 stop
Multiple Airlines Logo
11:08 a.m. - 5:15 p.m.
IAH
-
YOW
29h 07m1 stop
C$ 384Multiple Airlines
Sat, 17 Jan - Wed, 4 Feb
Multiple Airlines Logo
4:15 p.m. - 1:20 p.m.
YOW
-
IAH
22h 05m1 stop
Multiple Airlines Logo
8:45 a.m. - 12:39 a.m.
IAH
-
YOW
38h 54m2 stops
C$ 390Multiple Airlines
Sat, 17 Jan - Tue, 3 Feb
Multiple Airlines Logo
4:15 p.m. - 1:20 p.m.
YOW
-
IAH
22h 05m1 stop
Multiple Airlines Logo
7:45 a.m. - 5:25 p.m.
IAH
-
YOW
8h 40m1 stop
C$ 395Multiple Airlines
Mon, 30 Mar - Wed, 8 Apr
Delta Logo
5:40 a.m. - 10:39 a.m.
YOW
-
HOU
29h 59m2 stops
Delta Logo
6:00 a.m. - 12:39 a.m.
HOU
-
YOW
17h 39m2 stops
C$ 930Delta
Thu, 2 Apr - Wed, 8 Apr
Delta Logo
5:40 a.m. - 10:42 p.m.
YOW
-
HOU
18h 02m2 stops
Delta Logo
11:44 a.m. - 12:39 a.m.
HOU
-
YOW
11h 55m2 stops
C$ 964Delta
Sun, 29 Mar - Wed, 8 Apr
Delta Logo
5:40 a.m. - 10:42 p.m.
YOW
-
HOU
18h 02m2 stops
Delta Logo
5:27 p.m. - 12:39 a.m.
HOU
-
YOW
30h 12m2 stops
C$ 969Delta
Thu, 5 Mar - Mon, 9 Mar
WestJet Logo
5:40 a.m. - 4:28 p.m.
YOW
-
HOU
11h 48m2 stops
WestJet Logo
5:22 p.m. - 12:39 a.m.
HOU
-
YOW
30h 17m2 stops
C$ 971WestJet
Tue, 17 Feb - Thu, 19 Feb
WestJet Logo
5:40 a.m. - 4:28 p.m.
YOW
-
HOU
11h 48m2 stops
WestJet Logo
10:50 a.m. - 12:39 a.m.
HOU
-
YOW
12h 49m2 stops
C$ 989WestJet
Fri, 27 Mar - Mon, 30 Mar
WestJet Logo
5:40 a.m. - 9:21 a.m.
YOW
-
HOU
28h 41m2 stops
WestJet Logo
5:22 p.m. - 12:39 a.m.
HOU
-
YOW
30h 17m2 stops
C$ 993WestJet
Booking Insights

KAYAK's insights & trends for Ottawa to Houston flights

Get data-powered insights and trends into flights from Ottawa to Houston to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ottawa to Houston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ottawa to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ottawa to Houston is December, where tickets cost C$ 670 (return) on average. On the other hand, the most expensive months are August and September, where the average cost of round-trip tickets is C$ 1,163 and C$ 1,011 respectively.

Good to know

Cheapest flightC$ 332
Flight from Ottawa to Houston George Bush Airport

When to book flights from Ottawa to Houston

Are your dates flexible? Find out the best times to travel from Ottawa to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ottawa to Houston

  • What is the cheapest flight from Ottawa to Houston?

    In the last 3 days, the lowest price for a flight from Ottawa to Houston was C$ 332 for a one-way ticket and C$ 375 for a round-trip.

  • Which airports will I be using when flying from Ottawa to Houston?

    On your way to Houston, you’ll fly out from Ottawa. You’ll be landing in one of Houston’s 2 airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from Ottawa to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ottawa to Houston?

    Star Alliance is the only airline alliance operating flights between Ottawa and Houston.

  • How does KAYAK find such low prices on flights from Ottawa to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ottawa to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ottawa to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Ottawa is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ottawa to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Ottawa with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ottawa to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Ottawa up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Ottawa to Houston

 
See real verified KAYAK customer reviews for airlines flying from Ottawa to Houston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ottawa to Houston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9139 reviews
7.3Comfort
7.1Entertainment
7.7Boarding
6.6Food
8.1Crew
Airline reviews

In Liberia airport 5 min before our departure the airport was closed for takeoff for 30 min. Upon arrival to IAH we didn’t have any available gate and waited taxing another 40 min. As a result we arrived for 1+ h later. The walkway to the passport control in IAH is about 1-2 ml long. After the passport control you have to pass the security check again. Only 3 out of 16 checkpoints were open and the line was enormously long. As a result, even though we supposed to have 2.5 hrs gap in between the flights we missed our transfer. United rebooked us for the next available flight early morning and provided free hotel and meal vouchers through.

2.0 MediocreAlexey, Jan 2026
LIR - IAH
Read more United Airlines reviews

In Liberia airport 5 min before our departure the airport was closed for takeoff for 30 min. Upon arrival to IAH we didn’t have any available gate and waited taxing another 40 min. As a result we arrived for 1+ h later. The walkway to the passport control in IAH is about 1-2 ml long. After the passport control you have to pass the security check again. Only 3 out of 16 checkpoints were open and the line was enormously long. As a result, even though we supposed to have 2.5 hrs gap in between the flights we missed our transfer. United rebooked us for the next available flight early morning and provided free hotel and meal vouchers through.

United is an incompetent airline. They parked the plane on the tarmac for an hour after arriving because they “didn’t have a gate available” it was actually some sort of lie because as we de planed there were approximately 9 open and manned and empty gates that we walked past. Many people on the flight missed connections for the hour long sit on the tarmac. Utterly baffling and incompetent behavior from United flight ops.

I boarded flight UA#1318 at Sacramento International Airport going back to Houston TX. The flight was scheduled at 5:10am. I was able to check in virtually using the United Airlines app. When I entered the airport, there was no one outside assisting with checked bags as it was for Delta Airlines. Immediately upon entering, there was a LONG, EXTREMELY LONG line to the kiosks to get boarding passes. I stand in line to get boarding passes then had to move to ANOTHER EXTREMELY LONG line to get my bags checked in. While standing in this line, we noticed an agent taking customers to 3 at a time to her station to check their bags in. Lucky for me, she called me back, checked my bags for me and I was on my way. I then encountered another long line at the TSA check and to avoid I ending up having to sign up for CLEAR to bypass it. So glad, I did.,...Both of my flights were great with no issues, butthe check in progress at Bush Airport was so much smoother. Check-in at SMF airport needs to be anaylzed and corrected. Do better United, I know you can....thanks

everything was pretty good. Houston airport is awful. Unnecessarily inefficient; people working there are rude. Badly run

Staff on board was excellent. Positive upbeat helpful- like it used to be.

The Sears in the 800s are not too good perfect Airbus why cant the new 737 fix that

Ot was overall fine. Left on time and had basic snacks. Weather was finicky but that’s not the airlines fault.

I dread trans-Pacific flights. They are very long. This was my first time on Universal, and it was my best crossing ever. The staff were professional, the hospitality was great, and the food was delicious. The entertainment system filled the long flight hours. I will seek out Universal flights from now onwards. 🙂

Even though we were delayed, we were able to make our connection

Crew and customer service were excellent. This flight also had plenty of leg room and seat mounted screens for entertainment. A very pleasant flight all around!

We were happy with the service and cost of checking a bag

Flying with Air Canada is still better than the discount airlines like Flair. The seats are more comfortable and the on-board entertainment is better, with each seat having a built in screen and lots of content to watch. Onboard WIFI is also great to have, as well as plugs for charging. I think passengers in general are getting better at not bringing too much luggage onboard, and Air Canada is better at managing this without customers feeling like they are being taken advantage of with extra fees. I have travelled on different airlines and all seem to be loading faster, with fewer people bringing both a carry on and a personal item. Now I just bring one item and it fits under the seat so I don't need to worry about finding a place in the overhead bins. Overall, across the industry, asking customers to pay for carry on baggage is fair because it allows customers to only pay for what they need, and it helps to keep the planes on time. Kudos to Air Canada for its approach - the desired result is achieved without customers feeling that they are being surprised and caught with unexpected extra fees.

Due to the strike by AC flight attendants, my flight was cancelled. Very disappointing! A refund is being processed. This was not a Kayak issue. I will be sure to come back to Kayak in the future.

Staff was very courteous and kept things organized. We will definitely use Air Canada for further travel

Great flights. 90 minute departure delay for maintenance issues, not a great start but, afer that very good. Didn't pay extra for seats and lucked into a window and an aisle seat. Price was excellent at the super low economy level.

Just a little improvement on food but everything is excellent

The ground staff was so rude in Toronto airport ...very rude and did not answer simple questions, and made me look like a fool. Very rude ground staff.

I had a nice flight with free wifi. So I was able to message family members and stream music during my flight, which made the trip go by fast. I also enjoyed flying on there Airbus A220. The plane looked very new and it also got up to speed fast down the runway and didn't need much runway to get airborne.

They lost my checked in luggage, why do I pay for my cargo not arriving at the same destination as me?

Poor planning meant the plane was delayed an hour, then a thunder storm started and the ground staff couldn't work. Eventual arrival in Santiago was 3 hours late resulting in missed connections and the need to buy new tickets.

Everything you need to know for your flight from Ottawa to Houston

Information on your arrival and departure airports