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Cheap flights from Houston to Ottawa from C$ 150

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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
14 Jan — 21 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 December 2025.

Sat 20/126:19 p.m.IAH - YOW
2 stops52h 39mMultiple Airlines
Wed 31/124:20 p.m.YOW - IAH
1 stop17h 59mMultiple Airlines
Deal found 13/12C$ 803
Sun 14/1212:50 p.m.IAH - YOW
1 stop27h 20mMultiple Airlines
Mon 22/129:35 a.m.YOW - IAH
2 stops24h 28mMultiple Airlines
Deal found 13/12C$ 1,027
Sat 20/127:20 a.m.IAH - YOW
2 stops13h 36mUnited Airlines
Wed 31/127:27 p.m.YOW - IAH
2 stops14h 23mUnited Airlines
Deal found 13/12C$ 1,471
Sun 14/121:36 p.m.IAH - YOW
2 stops10h 06mWestJet
Mon 22/125:40 a.m.YOW - IAH
2 stops13h 29mWestJet
Deal found 13/12C$ 1,557
Sun 14/122:32 p.m.HOU - YOW
2 stops9h 10mWestJet
Mon 22/125:40 a.m.YOW - HOU
2 stops33h 58mWestJet
Deal found 13/12C$ 1,618
Thu 18/125:40 a.m.HOU - YOW
2 stops10h 11mAmerican Airlines
Fri 9/110:00 a.m.YOW - HOU
2 stops13h 46mAmerican Airlines
Deal found 13/12C$ 1,665
Sat 20/126:31 a.m.IAH - YOW
3 stops17h 10mAmerican Airlines
Wed 31/126:45 a.m.YOW - IAH
3 stops16h 12mAmerican Airlines
Deal found 13/12C$ 1,703
Sun 14/1210:43 a.m.IAH - YOW
3 stops12h 58mAmerican Airlines
Mon 22/129:10 a.m.YOW - IAH
2 stops15h 20mAmerican Airlines
Deal found 13/12C$ 1,914
Sun 14/126:29 p.m.HOU - YOW
2 stops21h 22mAmerican Airlines
Mon 22/129:10 a.m.YOW - HOU
3 stops11h 40mAmerican Airlines
Deal found 13/12C$ 1,984

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 15 December 2025.

Round-trip from

C$ 423

One-way from

C$ 150
10/1-17/1
  • 10/1-17/1
  • 2 total stops
  • 18h 56m total
  • Houston to Ottawa
Search Deals
19/1
  • 19/1
  • 1 total stop
  • 19h 57m total
  • Houston to Ottawa
Search Deals

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 15 December 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

Sun 11/1

4:35 p.m.-5:25 p.m.

1 stop23h 50m

Ottawa

Sun 18/1

7:00 a.m.-8:23 p.m.

1 stop14h 23m

C$ 450

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 10/1

6:30 a.m.-11:58 p.m.

2 stops16h 28m

Ottawa

Sat 17/1

5:40 a.m.-8:23 p.m.

2 stops15h 43m

C$ 536

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 14/2

7:38 p.m.-12:40 p.m.

1 stop16h 02m

Ottawa

Sat 21/2

4:20 p.m.-12:10 a.m.

3 stops32h 50m

C$ 576

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 10/3

9:15 p.m.-5:13 p.m.

1 stop18h 58m

Ottawa

Thu 12/3

9:25 a.m.-3:27 p.m.

1 stop7h 02m

C$ 653

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 3/1

9:34 p.m.-12:40 p.m.

2 stops38h 06m

Ottawa

Wed 7/1

9:30 a.m.-10:01 a.m.

1 stop25h 31m

C$ 655

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 29/1

1:35 p.m.-6:21 p.m.

2 stops27h 46m

Ottawa

Mon 2/2

7:15 p.m.-5:30 p.m.

2 stops47h 15m

C$ 697

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 6/1

11:09 a.m.-12:42 a.m.

2 stops36h 33m

Ottawa

Fri 9/1

5:40 a.m.-10:21 a.m.

2 stops29h 41m

C$ 1,272

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 11/1

5:45 a.m.-12:42 a.m.

2 stops17h 57m

Ottawa

Sun 18/1

5:40 a.m.-10:33 p.m.

2 stops17h 53m

C$ 1,272

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 14/2

5:35 p.m.-12:39 a.m.

2 stops30h 04m

Ottawa

Sat 21/2

5:40 a.m.-12:20 p.m.

2 stops31h 40m

C$ 1,322

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 5/3

10:50 a.m.-12:39 a.m.

2 stops12h 49m

Ottawa

Mon 9/3

5:40 a.m.-4:32 p.m.

2 stops11h 52m

C$ 1,381

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 18 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 C$ 256). 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 36h 33m. Fly via WestJet to get the fastest option. Houston and Ottawa are separated by a distance of 2441 km.

  • 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 C$ 256). 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
Pembroke
Wakefield

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

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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.

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