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$161+ Cheap flights from Ottawa (YOW) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Ottawa to Houston

Cheapest flights from Ottawa to Houston
Explore the most affordable flight options available from Ottawa to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:30 amYOW - IAH
1 stop10h 01mMultiple Airlines
Mon 12/227:45 amIAH - YOW
2 stops32h 25mMultiple Airlines
Deal found 12/16$644
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:35 amYOW - IAH
2 stops16h 19mMultiple Airlines
Thu 1/19:34 pmIAH - YOW
1 stop25h 24mMultiple Airlines
Deal found 12/16$663
This Gotogate deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:00 pmYOW - IAH
1 stop6h 39mAir Canada
Thu 1/17:10 amIAH - YOW
1 stop7h 13mAir Canada
Deal found 12/17$763
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:09 pmYOW - IAH
1 stop8h 21mUnited Airlines
Thu 1/112:22 pmIAH - YOW
1 stop8h 34mUnited Airlines
Deal found 12/15$823
This Justfly.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:40 amYOW - HOU
2 stops42h 31mWestJet
Sun 12/286:00 amHOU - YOW
2 stops41h 42mWestJet
Deal found 12/16$877
This FlightHub deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:40 amYOW - HOU
2 stops14h 34mWestJet
Thu 1/13:25 pmHOU - YOW
2 stops32h 17mWestJet
Deal found 12/16$935
This FlightHub deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:40 amYOW - HOU
2 stops37h 10mWestJet
Mon 12/223:25 pmHOU - YOW
2 stops32h 17mWestJet
Deal found 12/15$955
This FlightHub deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:40 amYOW - HOU
2 stops37h 10mWestJet
Sat 12/2710:46 amHOU - YOW
2 stops12h 56mWestJet
Deal found 12/16$982
This Justfly.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:40 amYOW - HOU
2 stops33h 58mWestJet
Mon 12/2210:46 amHOU - YOW
2 stops12h 56mWestJet
Deal found 12/15$997
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:45 amYOW - HOU
3 stops14h 05mAmerican Airlines
Mon 12/228:20 pmHOU - YOW
2 stops19h 31mAmerican Airlines
Deal found 12/16$1,188

Find flight deals from Ottawa to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Round-trip from

$259
(Mytrip)

One-way from

$161
(Trip.com)

Popular in

August

Cheapest in

October

Average price

$501
From Ottawa to Houston
Search Deals
One-way flight from Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Ottawa to Houston that are best for you.

Fly from

Ottawa

Fly to

Houston

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/25

4:20 pm-8:23 pm

3 stops29h 03m

Houston George Bush Intcntl

Sun 2/1

8:19 pm-12:39 am

2 stops27h 20m

$259

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 2/9

4:15 pm-8:40 am

1 stop17h 25m

Houston George Bush Intcntl

Thu 2/19

1:35 pm-12:40 am

1 stop10h 05m

$272

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/8

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Thu 2/19

1:35 pm-12:40 am

1 stop10h 05m

$285

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 2/4

4:15 pm-1:10 pm

1 stop21h 55m

Houston George Bush Intcntl

Tue 2/17

4:22 pm-5:25 pm

1 stop24h 03m

$292

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 3/20

5:40 am-4:32 pm

2 stops11h 52m

Houston Hobby

Sun 3/22

5:27 pm-12:39 am

2 stops30h 12m

$734

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 3/5

5:40 am-4:28 pm

2 stops35h 48m

Houston Hobby

Mon 3/9

2:05 pm-12:39 am

2 stops9h 34m

$760

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 4/4

5:40 am-10:28 pm

2 stops17h 48m

Houston Hobby

Sat 4/11

5:27 pm-12:39 am

2 stops30h 12m

$764

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sun 1/25

5:40 am-10:21 am

2 stops29h 41m

Houston Hobby

Sun 2/1

5:45 am-12:39 am

2 stops17h 54m

$807

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 3/4

5:40 am-4:28 pm

2 stops11h 48m

Houston Hobby

Mon 3/9

2:05 pm-12:39 am

2 stops9h 34m

$811

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 1/2

5:40 am-11:11 pm

2 stops18h 31m

Houston Hobby

Thu 1/8

5:04 pm-12:42 am

2 stops30h 38m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from Ottawa to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ottawa to Houston?

Currently, July is the cheapest month in which you can book a flight from Ottawa to Houston (average of $291). Flying from Ottawa to Houston in August is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to HOU?

Find hourly flight availability from Ottawa to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Ottawa to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated December 18, 2025.
See what other customers who have flown with United Airlines from Ottawa to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Houston?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Houston. On average, Ottawa has 0 outbound flights to Houston per day from 1 airline. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from Ottawa to Houston?

    A quick flight from Ottawa to Houston can take about 11h 52m. WestJet provides one of the quickest options available for as low as $734. Airlines will cover a distance of 1517 mi.

  • What is the cheapest airline to fly from Ottawa to Houston round-trip?

    Currently priced at $594, United Airlines will fly you from Ottawa to Houston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 4% cheaper than the other options available to this destination.

  • Can I find deals for flights from Ottawa to Houston that include hotel bookings?

    Yes. In addition to deals on Ottawa to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Houston.

  • Can I find deals for business class flights from Ottawa to Houston?

    Yes. Cheapflights offers flight deals from Ottawa to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Houston?

    Currently, July is the cheapest month in which you can book a flight from Ottawa to Houston (average of $291). Flying from Ottawa to Houston in August is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ottawa to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ottawa to Houston

Discover the top airline that operate flights from Ottawa to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$594Average$680FlexibilityNo cancel feeOn-time69%

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