HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$252+ Cheap flights from Houston to Ottawa (YOW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 26, 2025.

Round-trip from

$252
(Kiwi.com)
From Houston to Ottawa
Search Deals

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 26, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. 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.
Fri 12/126:14 amIAH - YOW
1 stop10h 11mMultiple Airlines
Sat 12/137:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/24$270
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/226:55 pmIAH - YOW
1 stop28h 30mMultiple Airlines
Tue 12/304:20 pmYOW - IAH
1 stop16h 34mMultiple Airlines
Deal found 11/26$336
This Mytrip deal was found by Cheapflights users on 11/26. 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 12/2312:50 pmIAH - YOW
2 stops10h 35mMultiple Airlines
Tue 12/307:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/26$352
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/226:55 pmIAH - YOW
1 stop28h 30mMultiple Airlines
Wed 12/314:20 pmYOW - IAH
1 stop17h 59mMultiple Airlines
Deal found 11/26$358
This Kiwi.com deal was found by Cheapflights users on 11/26. 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 12/2410:08 amIAH - YOW
2 stops13h 34mMultiple Airlines
Tue 12/304:20 pmYOW - IAH
1 stop16h 34mMultiple Airlines
Deal found 11/26$366
This Kiwi.com deal was found by Cheapflights users on 11/26. 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 12/236:00 amIAH - YOW
2 stops17h 25mMultiple Airlines
Wed 12/314:20 pmYOW - IAH
1 stop17h 59mMultiple Airlines
Deal found 11/26$398
This American Airlines deal was found by Cheapflights users on 11/25. 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
Thu 1/19:15 amYOW - HOU
2 stops24h 17mAmerican Airlines
Deal found 11/25$923
This FlightHub deal was found by Cheapflights users on 11/26. 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 12/246:00 amHOU - YOW
2 stops41h 42mWestJet
Tue 12/305:40 amYOW - HOU
2 stops29h 21mWestJet
Deal found 11/26$931
This FlightHub deal was found by Cheapflights users on 11/26. 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 12/233:25 pmHOU - YOW
2 stops32h 17mWestJet
Tue 12/305:40 amYOW - HOU
2 stops29h 21mWestJet
Deal found 11/26$967
This Justfly.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/2210:46 amHOU - YOW
2 stops12h 56mWestJet
Tue 12/305:40 amYOW - HOU
2 stops18h 31mWestJet
Deal found 11/26$975
This Justfly.com deal was found by Cheapflights users on 11/26. 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.
Mon 12/2210:46 amHOU - YOW
2 stops12h 56mWestJet
Wed 12/315:40 amYOW - HOU
2 stops15h 44mWestJet
Deal found 11/26$1,011
This American Airlines deal was found by Cheapflights users on 11/26. 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.
Tue 12/235:40 amHOU - YOW
2 stops10h 11mAmerican Airlines
Tue 12/306:45 amYOW - HOU
3 stops13h 59mAmerican Airlines
Deal found 11/26$1,049

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 26, 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 1/13

7:35 am-5:25 pm

1 stop8h 50m

Ottawa

Wed 2/4

4:15 pm-11:58 pm

1 stop8h 43m

$252

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 1/7

6:55 pm-5:25 pm

1 stop21h 30m

Ottawa

Fri 1/9

4:20 pm-10:01 am

1 stop18h 41m

$273

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/12

10:41 am-12:42 am

2 stops13h 01m

Ottawa

Sat 12/13

7:00 am-9:15 am

3 stops27h 15m

$282

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 1/25

12:16 pm-11:58 pm

1 stop10h 42m

Ottawa

Tue 1/27

7:00 am-8:28 pm

1 stop14h 28m

$288

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 12/22

6:55 pm-12:25 am

1 stop28h 30m

Ottawa

Tue 12/30

4:20 pm-7:54 am

1 stop16h 34m

$336

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 12/24

6:55 pm-12:25 am

1 stop28h 30m

Ottawa

Tue 12/30

4:20 pm-7:54 am

1 stop16h 34m

$336

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 1/13

6:36 pm-4:53 pm

2 stops21h 17m

Ottawa

Wed 2/4

10:00 am-10:46 pm

2 stops13h 46m

$923

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 1/25

6:00 am-4:53 pm

2 stops9h 53m

Ottawa

Tue 1/27

10:00 am-10:46 pm

2 stops13h 46m

$923

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 12/25

4:17 pm-4:51 pm

2 stops23h 34m

Ottawa

Thu 1/1

9:15 am-8:32 am

2 stops24h 17m

$923

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 12/24

6:00 am-12:42 am

2 stops41h 42m

Ottawa

Tue 12/30

5:40 am-10:01 am

2 stops29h 21m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 17 results
1
2

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 26, 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 26, 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
9,046 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

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
9,046 reviews
United Airlines
7.4
Good
9,046 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

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
10,476 reviews
United Airlines
7.4
Good
9,046 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

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 21h 17m. American Airlines provides one of the quickest options available for as low as $923. 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

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.

Alternative routes for Houston to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Pearson Intl flights
Hobby to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island flights
Austin to Pearson Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Love Field to Pearson Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Toronto Island flights
Austin to Pierre Elliott Trudeau Intl flights
Hobby to Hamilton flights
Dallas/Fort Worth to Ottawa flights
George Bush Intcntl to Hamilton flights
Hobby to Ottawa flights
Austin to Toronto Island flights
George Bush Intcntl to Ottawa flights
San Antonio to Pearson Intl flights
San Antonio to Pierre Elliott Trudeau Intl flights
El Paso to Pearson Intl flights
Harlingen to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to London flights
McAllen to Pearson Intl flights
El Paso to Pierre Elliott Trudeau Intl flights
Love Field to Ottawa flights
Austin to Ottawa flights
Harlingen to Pearson Intl flights
Killeen to Pearson Intl flights
Dallas/Fort Worth to Thunder Bay flights
Brownsville to Pearson Intl flights
Lubbock to Pearson Intl flights
McAllen to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Windsor flights
Dallas/Fort Worth to Hamilton flights
Laredo to Pierre Elliott Trudeau Intl flights
Austin to Kingston flights
Austin to Sudbury flights
Love Field to Thunder Bay flights
Texarkana to Pearson Intl flights

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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$325Average$827FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$380Average$838FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.