HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$167+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to Houston with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Round-trip from

$359
(Mytrip)

One-way from

$167
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$606
From Ottawa to Houston
Search Deals
One-way flight from Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/56:15 amYOW - IAH
2 stops16h 38mMultiple Airlines
Sat 4/125:30 amIAH - YOW
2 stops41h 39mMultiple Airlines
Deal found 2/19$359
This FlightHub deal was found by Cheapflights users on 2/20. 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 4/286:00 amYOW - IAH
1 stop17h 42mWestJet
Wed 5/78:00 amIAH - YOW
1 stop21h 45mWestJet
Deal found 2/20$472
This Air Canada deal was found by Cheapflights users on 2/19. 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 10/202:25 pmYOW - IAH
1 stop6h 22mAir Canada
Wed 10/2210:00 amIAH - YOW
1 stop7h 59mAir Canada
Deal found 2/19$504
This United Airlines deal was found by Cheapflights users on 2/20. 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 5/195:50 pmYOW - IAH
2 stops15h 25mUnited Airlines
Sun 5/255:05 amIAH - YOW
1 stop11h 01mUnited Airlines
Deal found 2/20$607
This WestJet deal was found by Cheapflights users on 2/19. 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.
Fri 3/285:55 amYOW - HOU
2 stops28h 42mWestJet
Sun 3/306:00 amHOU - YOW
2 stops41h 09mWestJet
Deal found 2/19$701
This Delta deal was found by Cheapflights users on 2/20. 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 4/35:55 amYOW - HOU
2 stops12h 46mDelta
Wed 4/910:35 amHOU - YOW
2 stops12h 34mDelta
Deal found 2/20$1,082
This Delta deal was found by Cheapflights users on 2/18. 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.
Sat 3/85:55 amYOW - IAH
2 stops13h 47mDelta
Sat 3/157:05 amIAH - YOW
2 stops16h 04mDelta
Deal found 2/18$2,768

Find flights from Ottawa to Houston within your budget

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 February 20, 2025.

Fly from

Ottawa

Fly to

Houston

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 4/5

6:15 am-9:53 pm

2 stops16h 38m

Houston George Bush Intcntl

Sat 4/12

5:30 am-12:09 am

2 stops41h 39m

$359

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 4/28

6:00 am-10:42 pm

1 stop17h 42m

Houston George Bush Intcntl

Wed 5/7

8:00 am-6:45 am

1 stop21h 45m

$472

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 3/21

11:35 am-6:47 pm

1 stop8h 12m

Houston George Bush Intcntl

Mon 4/7

8:45 am-4:57 pm

1 stop7h 12m

$511

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 5/19

5:25 pm-8:15 am

1 stop15h 50m

Houston George Bush Intcntl

Sun 5/25

6:26 am-2:04 pm

1 stop6h 38m

$607

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 3/28

5:55 am-9:37 am

2 stops28h 42m

Houston Hobby

Sun 3/30

6:00 am-12:09 am

2 stops41h 09m

$701

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 4/3

5:55 am-5:41 pm

2 stops12h 46m

Houston Hobby

Wed 4/9

10:35 am-12:09 am

2 stops12h 34m

$1,082

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 3/8

5:55 am-6:42 pm

2 stops13h 47m

Houston George Bush Intcntl

Sat 3/15

7:05 am-12:09 am

2 stops16h 04m

$2,768

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 3/17

4:20 pm-11:48 am

1 stop20h 28m

$167

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 4/22

5:55 am-9:33 am

2 stops28h 38m

$358

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 3/1

5:25 pm-7:30 pm

3 stops27h 05m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from Ottawa to Houston

Get recent, data-driven insights about flights from Ottawa to Houston including ideal travel times, pricing trends, and more.

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 February 14, 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 February 20, 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 February 20, 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
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
2,801 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,748 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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 $472, 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 Air Canada and United Airlines - these airlines can fly you to your destination from $511 and $607, respectively. Users have found that WestJet is 23% 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.

Alternative routes for Ottawa to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Austin flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Pearson Intl to Love Field flights
Pearson Intl to San Antonio flights
Toronto Island to Hobby flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to George Bush Intcntl flights
Ottawa to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Love Field flights
Ottawa to Hobby flights
Ottawa to Austin flights
Pierre Elliott Trudeau Intl to San Antonio flights
Pearson Intl to El Paso flights
Hamilton to George Bush Intcntl flights
Hamilton to Hobby flights
Region of Waterloo Intl to Dallas/Fort Worth flights
Pearson Intl to Brownsville flights
London to Dallas/Fort Worth flights
Ottawa to Love Field flights
Pearson Intl to Harlingen flights
Ottawa to San Antonio flights
Hamilton to Austin flights
Hamilton to Dallas/Fort Worth flights
Pearson Intl to Waco flights
Pearson Intl to Amarillo flights
Pierre Elliott Trudeau Intl to Midland flights
Ottawa to Killeen flights
Ottawa to El Paso flights
Pierre Elliott Trudeau Intl to Lubbock flights
Pierre Elliott Trudeau Intl to El Paso flights
Hamilton to Love Field flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$475Average$689FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$526Average$659FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.