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$330+ Cheap flights from Ottawa (YOW) to Houston

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$330
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$609
From Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/109:20 amYOW - IAH
1 stop15h 08mMultiple Airlines
Fri 4/119:14 pmIAH - YOW
1 stop18h 58mMultiple Airlines
Deal found 3/27$330
This CheapTicketsDeal deal was found by Cheapflights users on 3/27. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:45 pmYOW - IAH
1 stop31h 57mWestJet
Sun 6/13:00 pmIAH - YOW
2 stops13h 25mWestJet
Deal found 3/27$522
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Fri 4/256:05 amYOW - IAH
2 stops12h 12mUnited Airlines
Wed 4/304:50 pmIAH - YOW
1 stop20h 37mUnited Airlines
Deal found 3/28$593
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:55 amYOW - HOU
2 stops12h 49mWestJet
Wed 8/66:00 amHOU - YOW
2 stops17h 22mWestJet
Deal found 3/27$715
This Air Canada deal was found by Cheapflights users on 3/27. 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 4/114:45 pmYOW - IAH
1 stop6h 16mAir Canada
Sat 4/128:45 amIAH - YOW
1 stop7h 12mAir Canada
Deal found 3/27$752
This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 4/34:20 pmYOW - HOU
2 stops32h 00mDelta
Sun 4/66:37 pmHOU - YOW
2 stops28h 32mDelta
Deal found 3/26$864
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/95:55 amYOW - IAH
2 stops13h 41mDelta
Sat 4/126:00 amIAH - YOW
2 stops17h 09mDelta
Deal found 3/27$1,178
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:55 pmYOW - IAH
2 stops47h 29mLufthansa
Wed 4/1612:00 pmIAH - YOW
2 stops27h 35mLufthansa
Deal found 3/27$11,458

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 March 28, 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 4/10

9:20 am-11:28 pm

1 stop15h 08m

Houston George Bush Intcntl

Fri 4/11

9:14 pm-5:12 pm

1 stop18h 58m

$330

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 5/14

3:45 pm-10:42 pm

1 stop31h 57m

Houston George Bush Intcntl

Sun 6/1

3:00 pm-5:25 am

2 stops13h 25m

$522

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/25

6:05 am-5:17 pm

2 stops12h 12m

Houston George Bush Intcntl

Wed 4/30

4:50 pm-2:27 pm

1 stop20h 37m

$593

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 8/2

5:55 am-5:44 pm

2 stops12h 49m

Houston Hobby

Wed 8/6

6:00 am-12:22 am

2 stops17h 22m

$715

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/11

4:45 pm-10:01 pm

1 stop6h 16m

Houston George Bush Intcntl

Sat 4/12

8:45 am-4:57 pm

1 stop7h 12m

$752

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/9

5:55 am-6:36 pm

2 stops13h 41m

Houston George Bush Intcntl

Sat 4/12

6:00 am-12:09 am

2 stops17h 09m

$1,178

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 4/9

5:55 am-5:59 pm

2 stops13h 04m

Houston Hobby

Sat 4/12

6:00 am-12:09 am

2 stops17h 09m

$1,329

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 4/7

6:55 pm-5:24 pm

2 stops47h 29m

Houston George Bush Intcntl

Wed 4/16

12:00 pm-4:35 pm

2 stops27h 35m

$11,458

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/18

9:50 am-6:55 pm

2 stops10h 05m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 21, 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 $334). 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 March 28, 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 March 28, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and WestJet from Ottawa to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

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
2,785 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

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
8,986 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

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
Lufthansa
6.7
Okay
6,956 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Entertainment

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 $522, WestJet will fly you from Ottawa to Houston 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 $593 and $752, respectively. Users have found that WestJet is 14% cheaper than the other options available to this destination.

  • 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 $334). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$475Average$676FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$528Average$663FlexibilityNo cancel feeOn-time69%
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