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$157+ Cheap flights from Houston to Ottawa (YOW)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$359
(Kiwi.com)

One-way from

$157
(Kiwi.com)
From Houston to Ottawa
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One-way flight from Houston to Ottawa
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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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:15 amIAH - YOW
1 stop10h 00mMultiple Airlines
Tue 7/154:10 pmYOW - IAH
1 stop17h 48mMultiple Airlines
Deal found 6/9$359
This WestJet deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:00 pmIAH - YOW
2 stops13h 23mWestJet
Mon 10/65:15 pmYOW - IAH
2 stops21h 55mWestJet
Deal found 6/11$602
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:10 pmIAH - YOW
1 stop14h 48mUnited Airlines
Sun 7/139:50 amYOW - IAH
1 stop15h 55mUnited Airlines
Deal found 6/9$755
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:20 amIAH - YOW
1 stop6h 45mAir Canada
Sun 7/1310:15 pmYOW - IAH
1 stop14h 00mAir Canada
Deal found 6/10$777
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:05 amHOU - YOW
2 stops13h 17mWestJet
Wed 10/225:55 amYOW - HOU
2 stops16h 45mWestJet
Deal found 6/11$861
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1112:56 pmHOU - YOW
2 stops10h 26mDelta
Sun 7/135:55 amYOW - HOU
2 stops13h 00mDelta
Deal found 6/9$1,642

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 2,558,603 searches. Data last updated June 12, 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 7/8

6:15 am-5:15 pm

1 stop10h 00m

Ottawa

Tue 7/15

4:10 pm-8:58 am

1 stop17h 48m

$359

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 10/1

3:00 pm-5:23 am

2 stops13h 23m

Ottawa

Mon 10/6

5:15 pm-2:10 pm

2 stops21h 55m

$602

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 7/11

6:10 pm-9:58 am

1 stop14h 48m

Ottawa

Sun 7/13

9:50 am-12:45 am

1 stop15h 55m

$755

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 7/11

7:20 am-3:05 pm

1 stop6h 45m

Ottawa

Sun 7/13

10:15 pm-11:15 am

1 stop14h 00m

$777

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 10/18

10:05 am-12:22 am

2 stops13h 17m

Ottawa

Wed 10/22

5:55 am-9:40 pm

2 stops16h 45m

$861

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 7/11

12:56 pm-12:22 am

2 stops10h 26m

Ottawa

Sun 7/13

5:55 am-5:55 pm

2 stops13h 00m

$1,642

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 7/9

5:00 am-5:15 pm

1 stop11h 15m

$157

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/23

3:00 pm-2:46 pm

1 stop22h 46m

$222

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/30

8:20 pm-2:04 pm

2 stops16h 44m

$289

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 6/26

6:00 am-12:22 am

2 stops17h 22m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
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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, January is the cheapest month in which you can book a flight from Houston to Ottawa (average of $294). Flying from Houston to Ottawa in September is currently the most expensive (average of $428). 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.

What is the cheapest time of day to fly from HOU to YOW?

Find hourly flight availability from Houston to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Ottawa in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

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 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and WestJet from Houston to Ottawa to help guide your decision. 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

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

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?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Houston. On average, Ottawa has 0 inbound flights from Houston per day from 2 airlines. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

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

    Flying on WestJet is currently your cheapest option to Ottawa, with prices starting at $602. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $755 and $777, respectively.

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

    $222 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $289 and $529, respectively.

  • 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, January is the cheapest month in which you can book a flight from Houston to Ottawa (average of $294). Flying from Houston to Ottawa in September is currently the most expensive (average of $428). 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

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Gatineau
Petawawa

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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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Top 2 airlines flying from Houston to Ottawa

Discover the top 2 airlines that operate flights from Houston to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$316Average$838FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$331Average$817FlexibilityNo cancel feeOn-time67%

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