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Cheap flights from Houston to Ottawa from C$ 271

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
16 Jul — 23 Jul1
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 16 June 2026.

Sun 30/88:29 a.m.
IAH
-
YOW
1 stop29h 46m
Multiple Airlines
Tue 8/92:10 p.m.
YOW
-
IAH
2 stops25h 55m
Multiple Airlines
Deal found 13/6C$ 609
Sun 12/78:20 a.m.
IAH
-
YOW
1 stop29h 37m
Multiple Airlines
Sun 19/79:05 a.m.
YOW
-
IAH
2 stops47h 15m
Multiple Airlines
Deal found 14/6C$ 685
Fri 17/78:02 p.m.
IAH
-
YOW
2 stops20h 01m
Multiple Airlines
Mon 20/77:00 a.m.
YOW
-
IAH
1 stop8h 50m
Multiple Airlines
Deal found 11/6C$ 699
Tue 7/78:02 p.m.
IAH
-
YOW
2 stops20h 01m
Multiple Airlines
Fri 10/77:00 a.m.
YOW
-
IAH
1 stop12h 25m
Multiple Airlines
Deal found 11/6C$ 703
Wed 8/77:23 p.m.
IAH
-
YOW
2 stops21h 12m
Multiple Airlines
Wed 15/78:15 p.m.
YOW
-
IAH
1 stop27h 25m
Multiple Airlines
Deal found 14/6C$ 718
Tue 4/81:29 p.m.
IAH
-
YOW
2 stops33h 51m
Multiple Airlines
Tue 11/88:15 p.m.
YOW
-
IAH
1 stop18h 40m
Multiple Airlines
Deal found 12/6C$ 753
Sun 28/68:55 a.m.
IAH
-
YOW
1 stop29h 05m
Multiple Airlines
Tue 30/62:20 p.m.
YOW
-
IAH
2 stops18h 03m
Multiple Airlines
Deal found 14/6C$ 767
Sun 23/86:30 a.m.
IAH
-
YOW
1 stop22h 05m
WestJet
Thu 3/912:25 p.m.
YOW
-
IAH
2 stops11h 15m
WestJet
Deal found 15/6C$ 781
Fri 2/106:00 a.m.
HOU
-
YOW
2 stops17h 20m
WestJet
Mon 5/106:55 a.m.
YOW
-
HOU
2 stops27h 31m
WestJet
Deal found 15/6C$ 1,252
Sun 30/86:00 a.m.
HOU
-
YOW
2 stops17h 20m
Delta
Tue 8/96:55 a.m.
YOW
-
HOU
2 stops16h 45m
Delta
Deal found 13/6C$ 1,469
Wed 8/76:00 a.m.
HOU
-
YOW
2 stops17h 20m
Delta
Wed 15/76:55 a.m.
YOW
-
HOU
2 stops15h 56m
Delta
Deal found 14/6C$ 1,532
Thu 6/89:32 a.m.
HOU
-
YOW
2 stops10h 48m
American Airlines
Wed 12/88:40 a.m.
YOW
-
HOU
2 stops12h 11m
American Airlines
Deal found 14/6C$ 1,535

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 16 June 2026.

Round-trip from

C$ 609

One-way from

C$ 271

Popular in

October

Cheapest in

December

Average price

C$ 1,311
30/8-8/9
  • 30/8-8/9
  • 3 total stops
  • 55h 41m total
  • Houston to Ottawa
Search Deals
11/8
  • 11/8
  • 2 total stops
  • 27h 57m total
  • Houston to Ottawa
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 16 June 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

Tue 4/8

6:30 a.m.-5:15 p.m.

1 stop9h 45m

Ottawa

Tue 11/8

8:15 p.m.-10:40 p.m.

1 stop27h 25m

C$ 896

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 15/7

6:01 a.m.-10:05 p.m.

1 stop15h 04m

Ottawa

Wed 5/8

6:05 a.m.-10:38 p.m.

1 stop17h 33m

C$ 1,038
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 19/9

12:02 p.m.-10:35 p.m.

1 stop9h 33m

Ottawa

Tue 22/9

6:05 a.m.-8:45 p.m.

1 stop15h 40m

C$ 1,064

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 24/9

4:45 p.m.-9:11 a.m.

1 stop15h 26m

Ottawa

Mon 28/9

6:01 p.m.-8:48 a.m.

1 stop15h 47m

C$ 1,064

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 7/7

6:01 a.m.-10:05 p.m.

1 stop15h 04m

Ottawa

Fri 10/7

3:10 p.m.-9:50 a.m.

1 stop19h 40m

C$ 1,080

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 8/7

6:01 a.m.-4:38 p.m.

1 stop9h 37m

Ottawa

Wed 15/7

6:05 a.m.-10:38 p.m.

1 stop17h 33m

C$ 1,080

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 15/7

10:57 a.m.-10:05 p.m.

1 stop10h 08m

Ottawa

Fri 14/8

6:05 a.m.-8:45 p.m.

1 stop15h 40m

C$ 1,080

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 2/10

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

2 stops17h 20m

Ottawa

Mon 5/10

6:55 a.m.-9:26 a.m.

2 stops27h 31m

C$ 1,252

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 30/8

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

2 stops17h 20m

Ottawa

Tue 8/9

6:55 a.m.-10:40 p.m.

2 stops16h 45m

C$ 1,469

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 8/7

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

2 stops17h 20m

Ottawa

Wed 15/7

6:55 a.m.-9:51 p.m.

2 stops15h 56m

C$ 1,532

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 35 resultsSorted by cheapest first
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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$ 218). Flying from Houston to Ottawa in October is currently the most expensive (average of C$ 1,670). 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 9h 45m. Fly via WestJet, United Airlines, 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$ 218). Flying from Houston to Ottawa in October is currently the most expensive (average of C$ 1,670). 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
Wakefield
Pembroke
Smiths Falls

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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.

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