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$131+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YOW
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Round-trip from

$341
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$751
From Houston to Ottawa
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One-way flight from Houston to Ottawa
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Highest demand for flights based on searches. 13% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Thu 5/298:24 amIAH - YOW
2 stops14h 58mMultiple Airlines
Tue 6/34:10 pmYOW - IAH
1 stop17h 35mMultiple Airlines
Deal found 4/22$341
This Air Canada deal was found by Cheapflights users on 4/24. 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.
Mon 6/912:05 pmIAH - YOW
1 stop8h 04mAir Canada
Fri 6/135:15 amYOW - IAH
1 stop6h 59mAir Canada
Deal found 4/24$629
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 6/99:30 pmIAH - YOW
2 stops15h 57mUnited Airlines
Fri 6/135:25 pmYOW - IAH
1 stop16h 25mUnited Airlines
Deal found 4/24$635
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 5/256:20 amIAH - YOW
2 stops23h 25mDelta
Wed 5/283:45 pmYOW - IAH
2 stops32h 36mDelta
Deal found 4/23$780
This WestJet deal was found by Cheapflights users on 4/23. 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.
Sat 6/145:30 amIAH - YOW
2 stops17h 52mWestJet
Sun 6/225:55 amYOW - IAH
2 stops35h 44mWestJet
Deal found 4/23$838
This Orbitz deal was found by Cheapflights users on 4/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:55 pmHOU - YOW
2 stops10h 27mWestJet
Sun 6/225:55 amYOW - HOU
2 stops16h 58mWestJet
Deal found 4/22$992
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 6/812:55 pmHOU - YOW
2 stops10h 27mDelta
Wed 6/115:55 amYOW - HOU
2 stops15h 49mDelta
Deal found 4/23$1,144

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 April 24, 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

Thu 5/29

8:24 am-12:22 am

2 stops14h 58m

Ottawa

Tue 6/3

4:10 pm-8:45 am

1 stop17h 35m

$341

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/9

12:05 pm-9:09 pm

1 stop8h 04m

Ottawa

Fri 6/13

5:15 am-11:14 am

1 stop6h 59m

$629

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/9

9:30 pm-2:27 pm

2 stops15h 57m

Ottawa

Fri 6/13

5:25 pm-8:50 am

1 stop16h 25m

$635

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 5/25

6:20 am-6:45 am

2 stops23h 25m

Ottawa

Wed 5/28

3:45 pm-11:21 pm

2 stops32h 36m

$780

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 6/14

5:30 am-12:22 am

2 stops17h 52m

Ottawa

Sun 6/22

5:55 am-4:39 pm

2 stops35h 44m

$838

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 6/13

12:55 pm-12:22 am

2 stops10h 27m

Ottawa

Sun 6/22

5:55 am-9:53 pm

2 stops16h 58m

$992

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 6/8

12:55 pm-12:22 am

2 stops10h 27m

Ottawa

Wed 6/11

5:55 am-8:44 pm

2 stops15h 49m

$1,144

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 5/7

8:44 pm-5:15 pm

1 stop19h 31m

$131

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 5/6

8:00 am-12:42 am

1 stop15h 42m

$301

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/30

1:38 pm-10:05 pm

1 stop7h 27m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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, 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 May is currently the most expensive (average of $460). 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 April 24, 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 April 24, 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
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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
9,192 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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?

    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 Air Canada is currently your cheapest option to Ottawa, with prices starting at $629. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $635 and $780, respectively. Air Canada is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • 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 May is currently the most expensive (average of $460). 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
Brockville
Pembroke
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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$316Average$1,044FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$331Average$768FlexibilityNo cancel feeOn-time67%

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