Find flights
When to book
FAQs

Cheap flights from Houston to Ottawa from C$ 214

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
16 Apr — 23 Apr1
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 17 March 2026.

Sat 4/411:16 a.m.
IAH
-
YOW
1 stop11h 42m
Multiple Airlines
Tue 7/49:30 a.m.
YOW
-
IAH
1 stop27h 16m
Multiple Airlines
Deal found 17/3C$ 438
Sat 4/411:16 a.m.
IAH
-
YOW
1 stop11h 42m
Multiple Airlines
Wed 8/47:00 a.m.
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Deal found 17/3C$ 456
Fri 3/49:05 p.m.
IAH
-
YOW
1 stop25h 53m
Multiple Airlines
Wed 8/47:00 a.m.
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Deal found 17/3C$ 466
Fri 3/49:05 p.m.
IAH
-
YOW
1 stop25h 53m
Multiple Airlines
Mon 6/47:00 a.m.
YOW
-
IAH
1 stop26h 40m
Multiple Airlines
Deal found 17/3C$ 493
Wed 1/44:20 p.m.
IAH
-
YOW
1 stop23h 53m
Multiple Airlines
Sun 5/44:20 p.m.
YOW
-
IAH
2 stops40h 09m
Multiple Airlines
Deal found 16/3C$ 508
Thu 2/47:05 a.m.
IAH
-
YOW
1 stop9h 20m
Multiple Airlines
Mon 13/49:30 a.m.
YOW
-
IAH
1 stop24h 08m
Multiple Airlines
Deal found 17/3C$ 522
Thu 2/44:53 p.m.
IAH
-
YOW
2 stops18h 42m
Multiple Airlines
Tue 7/49:30 a.m.
YOW
-
IAH
1 stop27h 16m
Multiple Airlines
Deal found 17/3C$ 544
Mon 13/44:30 p.m.
IAH
-
YOW
1 stop23h 43m
Multiple Airlines
Mon 20/47:00 a.m.
YOW
-
IAH
1 stop29h 27m
Multiple Airlines
Deal found 14/3C$ 550
Fri 1/56:00 a.m.
HOU
-
YOW
2 stops17h 20m
Delta
Fri 8/56:55 a.m.
YOW
-
HOU
2 stops16h 31m
Delta
Deal found 17/3C$ 1,123
Thu 7/56:00 a.m.
HOU
-
YOW
2 stops17h 20m
Delta
Tue 12/56:55 a.m.
YOW
-
HOU
2 stops16h 31m
Delta
Deal found 17/3C$ 1,194
Thu 23/48:21 p.m.
HOU
-
YOW
2 stops21h 05m
American Airlines
Tue 28/46:45 a.m.
YOW
-
HOU
3 stops14h 06m
American Airlines
Deal found 17/3C$ 1,234
Tue 28/46:01 a.m.
HOU
-
YOW
2 stops11h 25m
American Airlines
Tue 5/57:00 a.m.
YOW
-
HOU
3 stops13h 51m
American Airlines
Deal found 14/3C$ 1,276

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 17 March 2026.

Round-trip from

C$ 438

One-way from

C$ 214

Popular in

October

Cheapest in

December

Average price

C$ 983
4/4-7/4
  • 4/4-7/4
  • 2 total stops
  • 38h 58m total
  • Houston to Ottawa
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 40h 53m total
  • Houston to Ottawa
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 100 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 17 March 2026.
Use the filters below to find and compare flights from Houston to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 4/4

11:16 a.m.-11:58 p.m.

1 stop11h 42m

Ottawa

Wed 8/4

7:00 a.m.-5:32 p.m.

1 stop11h 32m

C$ 456

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 3/4

9:05 p.m.-11:58 p.m.

1 stop25h 53m

Ottawa

Wed 8/4

7:00 a.m.-5:32 p.m.

1 stop11h 32m

C$ 466

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 13/5

2:50 p.m.-8:05 a.m.

3 stops16h 15m

Ottawa

Sun 17/5

7:00 a.m.-10:40 p.m.

3 stops16h 40m

C$ 848

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 23/4

8:07 p.m.-10:03 a.m.

2 stops12h 56m

Ottawa

Tue 28/4

6:00 a.m.-8:33 p.m.

2 stops15h 33m

C$ 896

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 7/5

2:50 p.m.-5:35 a.m.

1 stop13h 45m

Ottawa

Tue 12/5

1:20 p.m.-1:55 p.m.

1 stop25h 35m

C$ 923

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 23/4

1:35 p.m.-12:40 a.m.

1 stop10h 05m

Ottawa

Tue 28/4

6:15 p.m.-1:55 p.m.

2 stops20h 40m

C$ 927
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 14/5

6:15 a.m.-1:59 p.m.

1 stop6h 44m

Ottawa

Tue 19/5

5:25 p.m.-12:59 a.m.

1 stop8h 34m

C$ 1,009

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 7/5

7:00 a.m.-12:20 a.m.

2 stops16h 20m

Ottawa

Tue 12/5

6:55 a.m.-8:00 p.m.

2 stops14h 05m

C$ 1,045

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 26/6

1:41 p.m.-9:35 p.m.

1 stop6h 54m

Ottawa

Sun 28/6

5:20 p.m.-9:19 a.m.

1 stop16h 59m

C$ 1,049

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 1/5

6:00 a.m.-12:20 a.m.

2 stops17h 20m

Ottawa

Fri 8/5

6:55 a.m.-10:26 p.m.

2 stops16h 31m

C$ 1,123

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 29 resultsSorted by cheapest first
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, November is the cheapest month in which you can book a flight from Houston to Ottawa (average of C$ 255). Flying from Houston to Ottawa in January is currently the most expensive (average of C$ 957). 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.

How much does it cost to fly round-trip from Houston to Ottawa?

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 12h 56m. Fly via United Airlines, WestJet, or Delta to get the fastest option. Houston and Ottawa are separated by a distance of 2416 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, November is the cheapest month in which you can book a flight from Houston to Ottawa (average of C$ 255). Flying from Houston to Ottawa in January is currently the most expensive (average of C$ 957). 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
Perth
Wakefield
Pembroke
Smiths Falls

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.

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.