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$190+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/34:15 pm
YOW
-
IAH
1 stop9h 03m
Multiple Airlines
Tue 3/109:40 pm
IAH
-
YOW
1 stop25h 22m
Multiple Airlines
Deal found 2/3$331
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 2/174:15 pm
YOW
-
IAH
2 stops28h 19m
Multiple Airlines
Wed 2/257:59 pm
IAH
-
YOW
1 stop26h 59m
Multiple Airlines
Deal found 2/2$337
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 2/114:15 pm
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Wed 2/257:59 pm
IAH
-
YOW
1 stop26h 59m
Multiple Airlines
Deal found 2/2$338
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 2/177:00 am
YOW
-
IAH
1 stop14h 23m
Multiple Airlines
Tue 2/248:18 pm
IAH
-
YOW
1 stop26h 40m
Multiple Airlines
Deal found 2/2$344
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 2/114:15 pm
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Tue 2/246:00 am
IAH
-
YOW
2 stops17h 25m
Multiple Airlines
Deal found 2/2$352
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 2/114:15 pm
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Thu 2/192:41 pm
IAH
-
YOW
1 stop8h 44m
Multiple Airlines
Deal found 2/2$353
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 2/114:15 pm
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Mon 2/237:21 am
IAH
-
YOW
1 stop16h 04m
Multiple Airlines
Deal found 2/2$360
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 2/174:15 pm
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Mon 2/237:21 am
IAH
-
YOW
1 stop16h 04m
Multiple Airlines
Deal found 2/2$366
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 5/59:05 am
YOW
-
IAH
1 stop7h 39m
Multiple Airlines
Wed 5/137:05 am
IAH
-
YOW
2 stops9h 49m
Multiple Airlines
Deal found 2/3$377
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Tue 5/55:55 am
YOW
-
HOU
2 stops11h 33m
WestJet
Fri 5/81:16 pm
HOU
-
YOW
2 stops10h 04m
WestJet
Deal found 2/3$616
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Tue 7/285:55 am
YOW
-
HOU
2 stops11h 31m
WestJet
Fri 7/311:00 pm
HOU
-
YOW
2 stops10h 20m
WestJet
Deal found 2/1$778
This FlightHub deal was found by Cheapflights users on 2/2. 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 5/295:55 am
YOW
-
HOU
2 stops28h 22m
WestJet
Sun 5/316:00 am
HOU
-
YOW
2 stops10h 35m
WestJet
Deal found 2/2$786

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 February 3, 2026.

Round-trip from

$331
(Kiwi.com)

One-way from

$190
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$607
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 ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Tue 3/3

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Tue 3/10

9:40 pm-12:02 am

1 stop25h 22m

$342

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 2/17

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Wed 2/25

7:59 pm-11:58 pm

1 stop26h 59m

$344

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 5/29

1:20 pm-10:40 pm

1 stop10h 20m

Houston George Bush Intcntl

Sun 5/31

6:30 am-5:20 pm

1 stop9h 50m

$413

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 3/1

3:05 pm-8:00 am

2 stops17h 55m

Houston George Bush Intcntl

Mon 3/2

9:40 pm-5:25 pm

2 stops18h 45m

$415

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/5

6:15 pm-1:55 pm

2 stops20h 40m

Houston George Bush Intcntl

Fri 5/8

6:30 am-5:20 pm

1 stop9h 50m

$428

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 3/1

9:25 am-3:39 pm

1 stop7h 14m

Houston George Bush Intcntl

Mon 3/9

9:03 pm-12:38 am

2 stops26h 35m

$439

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

5:55 am-4:28 pm

2 stops11h 33m

Houston Hobby

Fri 5/8

1:16 pm-12:20 am

2 stops10h 04m

$616

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 7/28

5:55 am-4:26 pm

2 stops11h 31m

Houston Hobby

Fri 7/31

1:00 pm-12:20 am

2 stops10h 20m

$778

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 5/29

5:55 am-9:17 am

2 stops28h 22m

Houston Hobby

Sun 5/31

6:00 am-5:35 pm

2 stops10h 35m

$786

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sun 7/26

5:55 am-9:38 pm

2 stops16h 43m

Houston Hobby

Fri 7/31

1:00 pm-12:20 am

2 stops10h 20m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 30 results
1
2
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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 $497). 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.

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 February 3, 2026.
See what other customers who have flown with Air Canada 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.
Air Canada
7.1
Good
10,684 reviews

Food

6.3

Crew

7.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,684 reviews
Air Canada
7.1
Good
10,684 reviews

Food

6.3

Crew

7.8

Overall

7.1

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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 10h 20m. WestJet provides one of the quickest options available for as low as $413. Airlines will cover a distance of 1501 mi.

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

    Currently priced at $290, Air Canada will fly you from Ottawa to Houston and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Users have found that Air Canada is 53% 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 $497). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$290Average$658FlexibilityNo cancel feeOn-time67%

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