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Ottawa

$147+ Cheap flights from Houston to Ottawa (YOW)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Houston to Ottawa

Cheapest flights from Houston to Ottawa
Explore the most affordable flight options available from Houston to Ottawa. 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 2/2. 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 3/1712:36 pm
IAH
-
YOW
1 stop10h 26m
Multiple Airlines
Mon 3/239:30 am
YOW
-
IAH
1 stop24h 10m
Multiple Airlines
Deal found 2/2$321
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 3/1711:15 am
IAH
-
YOW
1 stop11h 47m
Multiple Airlines
Wed 3/259:30 am
YOW
-
IAH
1 stop11h 50m
Multiple Airlines
Deal found 2/2$323
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 3/1712:36 pm
IAH
-
YOW
1 stop10h 26m
Multiple Airlines
Tue 3/244:15 pm
YOW
-
IAH
1 stop8h 44m
Multiple Airlines
Deal found 2/2$333
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 3/1712:36 pm
IAH
-
YOW
1 stop10h 26m
Multiple Airlines
Fri 3/274:20 pm
YOW
-
IAH
1 stop16h 09m
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.
Wed 3/185:45 am
IAH
-
YOW
1 stop10h 40m
Multiple Airlines
Wed 3/259:30 am
YOW
-
IAH
1 stop11h 50m
Multiple Airlines
Deal found 2/2$347
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.
Sun 3/159:16 pm
IAH
-
YOW
1 stop19h 01m
Multiple Airlines
Wed 3/259:30 am
YOW
-
IAH
1 stop11h 50m
Multiple Airlines
Deal found 2/2$351
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 3/185:45 am
IAH
-
YOW
1 stop10h 40m
Multiple Airlines
Thu 3/267:00 am
YOW
-
IAH
1 stop10h 06m
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.
Sun 3/159:16 pm
IAH
-
YOW
1 stop19h 01m
Multiple Airlines
Thu 3/267:00 am
YOW
-
IAH
1 stop10h 06m
Multiple Airlines
Deal found 2/2$357
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 3/185:45 am
IAH
-
YOW
1 stop10h 40m
Multiple Airlines
Tue 3/247:00 am
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Deal found 2/2$358
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.
Sun 3/159:16 pm
IAH
-
YOW
1 stop19h 01m
Multiple Airlines
Tue 3/244:15 pm
YOW
-
IAH
1 stop8h 44m
Multiple Airlines
Deal found 2/2$362
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Sun 3/17:05 am
IAH
-
YOW
1 stop9h 20m
Multiple Airlines
Sun 3/812:10 pm
YOW
-
IAH
2 stops28h 05m
Multiple Airlines
Deal found 1/31$368
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
HOU
-
YOW
2 stops17h 39m
Delta
Wed 3/255:40 am
YOW
-
HOU
2 stops18h 02m
Delta
Deal found 2/2$809

Find flight deals from Houston to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Ottawa (YOW). 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

$321
(Kiwi.com)

One-way from

$147
(Kiwi.com)

Popular in

October

Cheapest in

December

Average price

$883
From Houston to Ottawa
Search Deals
One-way flight from Houston to Ottawa
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Ottawa 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 Houston to Ottawa that are best for you.

Fly from

Houston

Fly to

Ottawa

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 3/17

11:15 am-12:02 am

1 stop11h 47m

Ottawa

Thu 3/26

7:00 am-4:06 pm

1 stop10h 06m

$329

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 3/17

12:36 pm-12:02 am

1 stop10h 26m

Ottawa

Fri 3/27

4:20 pm-7:29 am

1 stop16h 09m

$338

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 3/18

5:45 am-5:25 pm

1 stop10h 40m

Ottawa

Wed 3/25

9:30 am-8:20 pm

1 stop11h 50m

$347

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 3/18

5:45 am-5:25 pm

1 stop10h 40m

Ottawa

Tue 3/24

7:00 am-5:32 pm

1 stop11h 32m

$358

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 3/1

7:05 am-5:25 pm

1 stop9h 20m

Ottawa

Sun 3/8

12:10 pm-3:15 pm

2 stops28h 05m

$368

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 4/8

12:46 pm-5:13 pm

1 stop27h 27m

Ottawa

Sun 4/12

4:20 pm-7:02 am

1 stop15h 42m

$380

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 3/19

7:05 am-5:25 pm

1 stop9h 20m

Ottawa

Thu 3/26

7:00 am-4:06 pm

1 stop10h 06m

$386

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 5/27

7:05 am-5:40 pm

1 stop9h 35m

Ottawa

Mon 6/8

5:55 pm-3:44 pm

2 stops22h 49m

$401

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/1

6:38 pm-12:30 pm

1 stop16h 52m

Ottawa

Wed 6/10

9:05 am-3:44 pm

1 stop7h 39m

$403

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 3/17

6:00 am-12:39 am

2 stops17h 39m

Ottawa

Wed 3/25

5:40 am-10:42 pm

2 stops18h 02m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 28 results
1
2
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Best time to book a flight from Houston to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Houston 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 Houston to Ottawa

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

Currently, November is the cheapest month in which you can book a flight from Houston to Ottawa (average of $186). Flying from Houston to Ottawa in December is currently the most expensive (average of $359). 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.

How much does it cost to fly round-trip from Houston to Ottawa?

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown United Airlines and Air Canada from Houston to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Air Canada
7.1
Good
10,684 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Houston to Ottawa. 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 into for flights to Ottawa from Houston?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Houston. On average, Ottawa has 0 inbound flights from Houston per day from 2 airlines. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from Houston to Ottawa?

    A quick flight from Houston to Ottawa can take about 17h 39m. Delta provides one of the quickest options available for as low as $809. Houston and Ottawa are separated by a distance of 1517 mi.

  • What are the cheapest airlines flying from Houston to Ottawa round-trip?

    Flying on Air Canada is currently your cheapest option to Ottawa, with prices starting at $325. Another option worth looking into is United Airlines, starting at $380 round trip. Air Canada is priced at 57% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Ottawa 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 Houston to Ottawa?

    Currently, November is the cheapest month in which you can book a flight from Houston to Ottawa (average of $186). Flying from Houston to Ottawa in December is currently the most expensive (average of $359). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Alternative routes for Houston to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Houston to Ottawa

Discover the top 2 airlines that operate flights from Houston to Ottawa. 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$325Average$557FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$380Average$835FlexibilityNo cancel feeOn-time69%

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