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Cheap flights from Houston to Ottawa from C$ 215

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 491

One-way from

C$ 215
8/7-15/7
  • 8/7-15/7
  • 2 total stops
  • 27h 48m total
  • Houston to Ottawa
Search Deals
9/7
  • 9/7
  • 1 total stop
  • 11h 15m total
  • Houston to Ottawa
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 12 June 2025.

Tue 8/76:15 a.m.IAH - YOW
1 stop10h 00mMultiple Airlines
Tue 15/74:10 p.m.YOW - IAH
1 stop17h 48mMultiple Airlines
Deal found 9/6C$ 491
Wed 1/103:00 p.m.IAH - YOW
2 stops13h 23mWestJet
Mon 6/105:15 p.m.YOW - IAH
2 stops21h 55mWestJet
Deal found 11/6C$ 823
Fri 24/107:30 a.m.IAH - YOW
2 stops8h 34mUnited Airlines
Tue 28/106:00 a.m.YOW - IAH
2 stops13h 55mUnited Airlines
Deal found 12/6C$ 993
Fri 11/77:20 a.m.IAH - YOW
1 stop6h 45mAir Canada
Sun 13/77:55 p.m.YOW - IAH
1 stop16h 20mAir Canada
Deal found 11/6C$ 1,062
Sat 18/1010:05 a.m.HOU - YOW
2 stops13h 17mWestJet
Wed 22/105:55 a.m.YOW - HOU
2 stops16h 45mWestJet
Deal found 11/6C$ 1,177
Fri 11/712:56 p.m.HOU - YOW
2 stops10h 26mDelta
Sun 13/75:55 a.m.YOW - HOU
2 stops13h 00mDelta
Deal found 9/6C$ 2,245

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 12 June 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 8/7

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

1 stop10h 00m

Ottawa

Tue 15/7

4:10 p.m.-8:58 a.m.

1 stop17h 48m

C$ 491

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 1/10

3:00 p.m.-5:23 a.m.

2 stops13h 23m

Ottawa

Mon 6/10

5:15 p.m.-2:10 p.m.

2 stops21h 55m

C$ 823

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 24/10

7:30 a.m.-5:04 p.m.

2 stops8h 34m

Ottawa

Tue 28/10

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

2 stops13h 55m

C$ 993

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 11/7

7:20 a.m.-3:05 p.m.

1 stop6h 45m

Ottawa

Sun 13/7

7:55 p.m.-11:15 a.m.

1 stop16h 20m

C$ 1,062

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 18/10

10:05 a.m.-12:22 a.m.

2 stops13h 17m

Ottawa

Wed 22/10

5:55 a.m.-9:40 p.m.

2 stops16h 45m

C$ 1,177

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 11/7

12:56 p.m.-12:22 a.m.

2 stops10h 26m

Ottawa

Sun 13/7

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

2 stops13h 00m

C$ 2,245

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 9/7

5:00 a.m.-5:15 p.m.

1 stop11h 15m

C$ 215

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 23/6

3:00 p.m.-2:46 p.m.

1 stop22h 46m

C$ 304

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 30/6

8:20 p.m.-2:04 p.m.

2 stops16h 44m

C$ 395

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 2/8

6:00 a.m.-12:22 a.m.

2 stops17h 22m

C$ 619

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 11 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, 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 12 June 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
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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$ 823, 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 United Airlines and Air Canada - these airlines can fly you to your destination from C$ 993 and C$ 1,062, respectively.

  • 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 WestJet (C$ 304), United Airlines (C$ 395), and Delta (C$ 723).

  • 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
Brockville
Perth
Smiths Falls
Prescott
Pembroke
Wakefield
Lanark

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