Find flights
When to book
Airlines
FAQs

Cheap flights from Houston to Ottawa from C$ 256

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
22 abr. — 29 abr.1
1 adult

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 17 abril 2025.

Round-trip from

C$ 406

One-way from

C$ 256

Popular in

November

Cheapest in

June

Average price

C$ 1,041
2/6-4/6
  • 2/6-4/6
  • 3 total stops
  • 33h 18m total
  • Houston to Ottawa
Search Deals
26/4
  • 26/4
  • 2 total stops
  • 42h 44m total
  • Houston to Ottawa
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 124 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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 17 abril 2025.

lun. 2/68:44 p.m.IAH - YOW
1 stop19h 31mMultiple Airlines
mié. 4/611:20 a.m.YOW - IAH
2 stops13h 47mMultiple Airlines
Deal found 17/4C$ 406
lun. 2/63:00 p.m.IAH - YOW
2 stops32h 22mWestJet
mié. 4/66:10 a.m.YOW - IAH
2 stops17h 32mWestJet
Deal found 17/4C$ 794
lun. 9/67:20 a.m.IAH - YOW
1 stop8h 44mAir Canada
mié. 11/62:25 p.m.YOW - IAH
1 stop6h 31mAir Canada
Deal found 17/4C$ 1,061
mar. 3/62:14 p.m.IAH - YOW
1 stop6h 21mUnited Airlines
jue. 5/65:25 p.m.YOW - IAH
1 stop5h 59mUnited Airlines
Deal found 17/4C$ 1,144
jue. 26/612:55 p.m.HOU - YOW
2 stops10h 27mWestJet
dom. 29/65:55 a.m.YOW - HOU
2 stops12h 51mWestJet
Deal found 17/4C$ 1,330
jue. 26/610:17 a.m.IAH - YOW
2 stops13h 05mDelta
dom. 29/65:55 a.m.YOW - IAH
2 stops11h 46mDelta
Deal found 17/4C$ 2,820
jue. 26/612:55 p.m.HOU - YOW
2 stops10h 27mDelta
dom. 29/65:55 a.m.YOW - HOU
2 stops12h 51mDelta
Deal found 17/4C$ 3,394

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 17 abril 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

lun. 2/6

8:44 p.m.-5:15 p.m.

1 stop19h 31m

Ottawa

mié. 4/6

11:20 a.m.-12:07 a.m.

2 stops13h 47m

C$ 406

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

lun. 2/6

3:00 p.m.-12:22 a.m.

2 stops32h 22m

Ottawa

mié. 4/6

6:10 a.m.-10:42 p.m.

2 stops17h 32m

C$ 794

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

lun. 9/6

7:20 a.m.-5:04 p.m.

1 stop8h 44m

Ottawa

mié. 11/6

2:25 p.m.-7:56 p.m.

1 stop6h 31m

C$ 1,061

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

mar. 3/6

2:14 p.m.-9:35 p.m.

1 stop6h 21m

Ottawa

jue. 5/6

5:25 p.m.-10:24 p.m.

1 stop5h 59m

C$ 1,144

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

jue. 26/6

12:55 p.m.-12:22 a.m.

2 stops10h 27m

Ottawa

dom. 29/6

5:55 a.m.-5:46 p.m.

2 stops12h 51m

C$ 1,330

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

jue. 26/6

10:17 a.m.-12:22 a.m.

2 stops13h 05m

Ottawa

dom. 29/6

5:55 a.m.-4:41 p.m.

2 stops11h 46m

C$ 2,820

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

jue. 26/6

12:55 p.m.-12:22 a.m.

2 stops10h 27m

Ottawa

dom. 29/6

5:55 a.m.-5:46 p.m.

2 stops12h 51m

C$ 3,394

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

sáb. 26/4

9:01 p.m.-4:45 p.m.

2 stops42h 44m

C$ 256

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

lun. 30/6

9:42 a.m.-4:16 p.m.

1 stop29h 34m

C$ 485

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

lun. 30/6

6:25 a.m.-6:52 p.m.

2 stops11h 27m

C$ 542

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

Showing 1-10 of 12 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, October is the cheapest month in which you can book a flight from Houston to Ottawa (average of C$ 224). Flying from Houston to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 17 abril 2025.
See what other customers who have flown with Delta, United Airlines and WestJet from Houston to Ottawa have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,142 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Currently priced at C$ 794, WestJet will fly you from Houston to Ottawa and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 1,061 and C$ 1,144, respectively. You may be able to fly from Houston to Ottawa for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Houston to Ottawa one-way?

    The cheapest airlines for a one-way flight from Houston to Ottawa are Air Canada (C$ 485), United Airlines (C$ 542), and WestJet (C$ 706).

  • 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, October is the cheapest month in which you can book a flight from Houston to Ottawa (average of C$ 224). Flying from Houston to Ottawa in December is currently the most expensive (average of C$ 326). 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 Houston?

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

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