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$209+ Cheap flights from Ottawa (YOW) to Houston

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Ottawa to Houston are usually found in October or July, booked 32 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Ottawa to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Houston (HO1). 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 May 1, 2025.

Round-trip from

$353
(Kiwi.com)

One-way from

$209
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$616
From Ottawa to Houston
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One-way flight from Ottawa to Houston
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Highest demand for flights based on searches. 6% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Ottawa to Houston

Cheapest flights from Ottawa to Houston
Explore the most affordable flight options available from Ottawa to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/293:50 pmYOW - IAH
1 stop9h 17mMultiple Airlines
Tue 6/36:44 pmIAH - YOW
1 stop19h 12mMultiple Airlines
Deal found 4/29$353
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:55 amYOW - IAH
2 stops17h 11mWestJet
Mon 6/303:00 pmIAH - YOW
2 stops13h 25mWestJet
Deal found 4/29$631
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 6/246:00 amYOW - IAH
2 stops33h 07mDelta
Sat 7/267:00 amIAH - YOW
2 stops22h 45mDelta
Deal found 4/28$645
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/2310:25 amYOW - IAH
1 stop12h 54mUnited Airlines
Mon 6/307:20 amIAH - YOW
1 stop8h 23mUnited Airlines
Deal found 4/28$659
This WestJet deal was found by Cheapflights users on 4/30. 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 5/285:55 amYOW - HOU
2 stops16h 22mWestJet
Wed 6/46:00 amHOU - YOW
2 stops17h 22mWestJet
Deal found 4/30$712
This Air Canada deal was found by Cheapflights users on 4/29. 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 5/192:35 pmYOW - IAH
1 stop6h 21mAir Canada
Sun 5/2510:07 amIAH - YOW
1 stop5h 57mAir Canada
Deal found 4/29$754

Cheapflights Fare Finder

Customize your flight search to find flights from Ottawa to Houston 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 May 1, 2025.
Use the filters below to find and compare flights from Ottawa to Houston that are best for you.

Fly from

Ottawa

Fly to

Houston

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 5/29

3:50 pm-12:07 am

1 stop9h 17m

Houston George Bush Intcntl

Tue 6/3

6:44 pm-2:56 pm

1 stop19h 12m

$353

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/27

3:35 pm-11:21 pm

2 stops32h 46m

Houston George Bush Intcntl

Tue 6/3

6:20 am-6:45 am

2 stops23h 25m

$608

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 6/23

5:55 am-6:00 pm

2 stops13h 05m

Houston George Bush Intcntl

Mon 6/30

3:00 pm-5:25 am

2 stops13h 25m

$631

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 6/23

10:25 am-10:19 pm

1 stop12h 54m

Houston George Bush Intcntl

Mon 6/30

7:20 am-4:43 pm

1 stop8h 23m

$659

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 5/28

5:55 am-9:17 pm

2 stops16h 22m

Houston Hobby

Wed 6/4

6:00 am-12:22 am

2 stops17h 22m

$712

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 5/19

2:35 pm-7:56 pm

1 stop6h 21m

Houston George Bush Intcntl

Sun 5/25

10:07 am-5:04 pm

1 stop5h 57m

$754

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 5/26

5:55 am-1:50 pm

2 stops32h 55m

$209

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 7/10

5:55 am-10:42 pm

3 stops17h 47m

$278

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 6/4

5:55 am-9:17 pm

2 stops16h 22m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Ottawa to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ottawa 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 Ottawa to Houston

How far ahead should I book a flight from Ottawa to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Houston. Price data was last updated on April 25, 2025.

The price you pay for your flight from Ottawa to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ottawa to Houston?

Currently, September is the cheapest month in which you can book a flight from Ottawa to Houston (average of $230). Flying from Ottawa to Houston in March is currently the most expensive (average of $332). 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 YOW to HOU?

Find hourly flight availability from Ottawa to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

One of the essential ways to save on airfare from Ottawa to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Houston. 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 from for flights from Ottawa to Houston?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Houston. On average, Ottawa has 0 outbound flights to 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 Ottawa to Houston round-trip?

    Currently priced at $608, Delta will fly you from Ottawa to Houston and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and United Airlines - these airlines can fly you to your destination from $631 and $659, respectively.

  • Can I find deals for flights from Ottawa to Houston that include hotel bookings?

    Yes. In addition to deals on Ottawa to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Houston.

  • Can I find deals for business class flights from Ottawa to Houston?

    Yes. Cheapflights offers flight deals from Ottawa to Houston 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 Ottawa to Houston?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to Houston (average of $230). Flying from Ottawa to Houston in March is currently the most expensive (average of $332). 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

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Top 2 airlines flying from Ottawa to Houston

Discover the top 2 airlines that operate flights from Ottawa to Houston. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$466Average$651FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$475Average$680FlexibilityNo cancel feeOn-time67%

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