Find flights
When to book
FAQs

Cheap flights from Houston to Ottawa from C$ 155

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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 29 October 2025.

Round-trip from

C$ 363

One-way from

C$ 155
WestJet
  • WestJet
  • 4/12-11/12
  • 2 total stops
  • 22h 34m total
  • Houston to Ottawa
Search Deals
10/1
  • 10/1
  • 1 total stop
  • 26h 41m total
  • Houston to Ottawa
Search Deals

Find flight deals from Houston to Ottawa

Enter your travel dates to find the best prices.

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 29 October 2025.

Thu 4/121:35 p.m.IAH - YOW
1 stop10h 05mWestJet
Thu 11/126:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Deal found 27/10C$ 363
Thu 20/116:09 p.m.IAH - YOW
2 stops29h 33mMultiple Airlines
Mon 24/114:15 p.m.YOW - IAH
1 stop9h 26mMultiple Airlines
Deal found 28/10C$ 414
Tue 25/118:54 p.m.IAH - YOW
2 stops43h 31mMultiple Airlines
Tue 2/124:15 p.m.YOW - IAH
1 stop9h 26mMultiple Airlines
Deal found 28/10C$ 442
Thu 20/116:09 p.m.IAH - YOW
2 stops29h 33mMultiple Airlines
Tue 25/114:15 p.m.YOW - IAH
1 stop9h 26mMultiple Airlines
Deal found 28/10C$ 447
Thu 20/117:00 a.m.IAH - YOW
2 stops9h 25mMultiple Airlines
Sun 23/119:30 a.m.YOW - IAH
1 stop25h 09mMultiple Airlines
Deal found 28/10C$ 451
Thu 4/127:25 p.m.IAH - YOW
2 stops20h 26mMultiple Airlines
Thu 11/1210:50 a.m.YOW - IAH
2 stops15h 07mMultiple Airlines
Deal found 27/10C$ 457
Thu 4/1210:39 a.m.HOU - YOW
2 stops13h 03mWestJet
Thu 11/125:40 a.m.YOW - HOU
2 stops13h 12mWestJet
Deal found 27/10C$ 1,065
Tue 25/114:25 p.m.HOU - YOW
2 stops23h 24mAmerican Airlines
Tue 2/126:45 a.m.YOW - HOU
3 stops14h 05mAmerican Airlines
Deal found 28/10C$ 1,135
Sat 27/125:40 a.m.HOU - YOW
2 stops10h 11mAmerican Airlines
Tue 30/129:10 a.m.YOW - HOU
2 stops15h 36mAmerican Airlines
Deal found 27/10C$ 1,204
Fri 21/118:20 p.m.HOU - YOW
2 stops19h 29mAmerican Airlines
Mon 24/116:45 a.m.YOW - HOU
3 stops14h 05mAmerican Airlines
Deal found 28/10C$ 1,207
Fri 21/1110:40 a.m.HOU - YOW
2 stops13h 02mWestJet
Tue 25/115:40 a.m.YOW - HOU
2 stops18h 27mWestJet
Deal found 28/10C$ 1,269
Fri 19/122:32 p.m.HOU - YOW
2 stops33h 10mWestJet
Thu 8/15:40 a.m.YOW - HOU
2 stops29h 41mWestJet
Deal found 26/10C$ 1,301

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 629,999 searches. Data last updated 29 October 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 25/11

6:09 p.m.-5:25 p.m.

1 stop22h 16m

Ottawa

Tue 2/12

4:15 p.m.-12:41 a.m.

1 stop9h 26m

C$ 449

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/12

7:25 p.m.-4:51 p.m.

2 stops20h 26m

Ottawa

Thu 11/12

10:50 a.m.-12:57 a.m.

2 stops15h 07m

C$ 457

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 19/12

8:59 a.m.-5:13 p.m.

1 stop7h 14m

Ottawa

Thu 8/1

4:20 p.m.-7:54 a.m.

1 stop16h 34m

C$ 457

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 16/12

7:25 p.m.-5:13 p.m.

2 stops20h 48m

Ottawa

Fri 2/1

9:30 a.m.-6:31 p.m.

1 stop10h 01m

C$ 485

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 20/11

5:34 a.m.-5:25 p.m.

1 stop10h 51m

Ottawa

Tue 25/11

9:30 a.m.-10:00 p.m.

1 stop13h 30m

C$ 513

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 8/11

10:28 a.m.-11:58 p.m.

1 stop12h 30m

Ottawa

Thu 13/11

9:25 a.m.-12:08 a.m.

2 stops15h 43m

C$ 516

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 22/11

3:54 p.m.-12:35 p.m.

2 stops19h 41m

Ottawa

Mon 24/11

9:30 a.m.-9:43 a.m.

1 stop25h 13m

C$ 517

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 21/11

5:34 a.m.-12:42 a.m.

2 stops18h 08m

Ottawa

Mon 24/11

4:15 p.m.-12:41 a.m.

1 stop9h 26m

C$ 542

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 4/12

10:39 a.m.-12:42 a.m.

2 stops13h 03m

Ottawa

Thu 11/12

5:40 a.m.-5:52 p.m.

2 stops13h 12m

C$ 1,065

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 25/11

4:25 p.m.-4:49 p.m.

2 stops23h 24m

Ottawa

Tue 2/12

6:45 a.m.-7:50 p.m.

3 stops14h 05m

C$ 1,135

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 21 results
1
2
3

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, May is the cheapest month in which you can book a flight from Houston to Ottawa (average of C$ 334). Flying from Houston to Ottawa in December is currently the most expensive (average of C$ 496). 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.

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?

    For a flight from Houston to Ottawa, you will be flying into Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 0 inbound flights from Houston per day. 0 airlines have flights to Ottawa from Houston on a regular basis.

  • How long is the flight from Houston to Ottawa?

    There are many flights that can get you from Houston to Ottawa in 13h 03m. Fly via WestJet or American Airlines to get the fastest option. Houston and Ottawa are separated by a distance of 2441 km. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Houston to Ottawa (average of C$ 334). Flying from Houston to Ottawa in December is currently the most expensive (average of C$ 496). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

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
Austin to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Love Field to Pearson Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island flights
Austin to Pierre Elliott Trudeau Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
San Antonio to Pearson Intl flights
George Bush Intcntl to Ottawa flights
Hobby to Ottawa flights
Dallas/Fort Worth to Ottawa flights
El Paso to Pearson Intl flights
San Antonio to Pierre Elliott Trudeau Intl flights
Austin to Ottawa flights
Dallas/Fort Worth to Hamilton flights
Harlingen to Pierre Elliott Trudeau Intl flights
Hobby to Region of Waterloo Intl flights
McAllen to Pierre Elliott Trudeau Intl flights
San Antonio to Ottawa flights
El Paso to Ottawa flights
Lubbock to Pearson Intl flights
Dallas/Fort Worth to Thunder Bay flights
Laredo to Pierre Elliott Trudeau Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Houston to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Houston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Houston to Ottawa?

Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Ottawa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Houston to Ottawa with no change fees?

Yes, we can. To see specific flights from Houston to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Houston to Ottawa become cheaper?

Yes! Start tracking prices for Houston to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.