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$142+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap 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 November 20, 2025.

Round-trip from

$267
(Mytrip)

One-way from

$142
(Kiwi.com)
From Houston to Ottawa
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One-way flight from Houston to Ottawa
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Find 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 November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:54 pmIAH - YOW
2 stops19h 31mMultiple Airlines
Sun 12/77:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/19$240
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:59 pmIAH - YOW
1 stop8h 26mMultiple Airlines
Sun 12/77:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/19$295
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:50 pmIAH - YOW
2 stops10h 35mMultiple Airlines
Tue 12/307:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/17$303
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:10 pmHOU - YOW
2 stops22h 15mMultiple Airlines
Sun 12/74:15 pmYOW - HOU
2 stops28h 05mMultiple Airlines
Deal found 11/19$525
This FlightHub deal was found by Cheapflights users on 11/18. 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 12/253:25 pmHOU - YOW
2 stops32h 17mWestJet
Mon 12/295:40 amYOW - HOU
2 stops18h 31mWestJet
Deal found 11/18$931
This WestJet deal was found by Cheapflights users on 11/17. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:25 pmHOU - YOW
2 stops32h 17mWestJet
Tue 12/305:40 amYOW - HOU
2 stops39h 44mWestJet
Deal found 11/17$949
This FlightHub deal was found by Cheapflights users on 11/20. 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 12/510:39 amHOU - YOW
2 stops13h 03mWestJet
Fri 12/125:40 amYOW - HOU
2 stops28h 54mWestJet
Deal found 11/20$975
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/55:44 amHOU - YOW
2 stops10h 07mAmerican Airlines
Fri 12/126:45 amYOW - HOU
3 stops14h 33mAmerican Airlines
Deal found 11/19$996
This FlightHub deal was found by Cheapflights users on 11/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amHOU - YOW
2 stops41h 42mWestJet
Wed 12/245:40 amYOW - HOU
2 stops33h 58mWestJet
Deal found 11/17$1,011
This Justfly.com deal was found by Cheapflights users on 11/19. 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.
Tue 12/210:39 amHOU - YOW
2 stops13h 03mWestJet
Sun 12/75:40 amYOW - HOU
2 stops32h 48mWestJet
Deal found 11/19$1,062
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Thu 12/254:17 pmHOU - YOW
2 stops23h 34mAmerican Airlines
Mon 12/299:10 amYOW - HOU
3 stops11h 34mAmerican Airlines
Deal found 11/18$1,081
This FlightHub deal was found by Cheapflights users on 11/19. 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 12/2010:46 amHOU - YOW
2 stops36h 56mWestJet
Sat 1/35:40 amYOW - HOU
2 stops33h 58mWestJet
Deal found 11/19$1,092

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 November 20, 2025.
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 12/2

8:54 pm-5:25 pm

2 stops19h 31m

Ottawa

Sun 12/7

7:00 am-9:15 am

3 stops27h 15m

$240

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 1/14

7:35 am-12:25 am

1 stop15h 50m

Ottawa

Wed 1/21

4:15 pm-1:10 pm

1 stop21h 55m

$278

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/25

5:54 am-5:25 pm

1 stop10h 31m

Ottawa

Tue 12/30

7:00 am-9:15 am

3 stops27h 15m

$343

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 12/1

2:59 pm-12:25 am

1 stop8h 26m

Ottawa

Sun 12/7

4:15 pm-9:18 am

1 stop18h 03m

$351

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 3/9

8:44 am-11:58 pm

1 stop14h 14m

Ottawa

Wed 3/11

4:15 pm-12:04 am

1 stop8h 49m

$388

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 1/9

5:04 pm-12:42 am

2 stops30h 38m

Ottawa

Sun 1/18

5:40 am-10:33 pm

2 stops17h 53m

$936

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 12/25

3:25 pm-12:42 am

2 stops32h 17m

Ottawa

Tue 12/30

5:40 am-8:24 pm

2 stops39h 44m

$949

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 12/5

10:39 am-12:42 am

2 stops13h 03m

Ottawa

Fri 12/12

5:40 am-9:34 am

2 stops28h 54m

$975

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 1/14

6:36 pm-4:53 pm

2 stops21h 17m

Ottawa

Wed 1/21

10:00 am-10:46 pm

2 stops13h 46m

$993

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 1/2

8:16 pm-4:53 pm

2 stops19h 37m

Ottawa

Fri 1/9

10:00 am-10:46 pm

2 stops13h 46m

$993

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 28 results
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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 $355). 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 HOU to YOW?

Find hourly flight availability from Houston to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Ottawa in the afternoon. If you’re flexible enough to do this you can expect to save up to 57% on your trip compared to booking a flight in the evening.

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 November 20, 2025.
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
9,026 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,026 reviews
United Airlines
7.4
Good
9,026 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,462 reviews
United Airlines
7.4
Good
9,026 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 30h 38m. WestJet provides one of the quickest options available for as low as $936. 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.

  • 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 $355). 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$325Average$827FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$380Average$838FlexibilityNo cancel feeOn-time69%

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