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George Bush Intcntl

$172+ Cheap flights from Ottawa (YOW) to George Bush Intcntl (IAH)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Ottawa to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to George Bush Intcntl (IAH). 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 September 14, 2025.

Round-trip from

$255
(oojo)

One-way from

$172
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$583
From Ottawa to Houston George Bush Intcntl
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One-way flight from Ottawa to Houston George Bush Intcntl
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Highest demand for flights based on searches. 11% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to George Bush Intcntl

Cheapest flights from Ottawa to George Bush Intcntl
Explore the most affordable flight options available from Ottawa to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This oojo deal was found by Cheapflights users on 9/12. 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.
Tue 11/256:00 amYOW - IAH
1 stop12h 29mWestJet
Thu 11/271:35 pmIAH - YOW
1 stop10h 05mWestJet
Deal found 9/12$255
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:25 pmYOW - IAH
1 stop16h 59mMultiple Airlines
Sun 10/56:00 amIAH - YOW
1 stop10h 20mMultiple Airlines
Deal found 9/11$316
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:20 pmYOW - IAH
1 stop17h 34mMultiple Airlines
Wed 12/179:54 amIAH - YOW
2 stops13h 48mMultiple Airlines
Deal found 9/11$325
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/53:50 pmYOW - IAH
1 stop18h 05mMultiple Airlines
Sun 10/123:00 pmIAH - YOW
2 stops21h 03mMultiple Airlines
Deal found 9/13$326
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:25 pmYOW - IAH
1 stop16h 59mMultiple Airlines
Sat 9/2711:29 amIAH - YOW
1 stop28h 51mMultiple Airlines
Deal found 9/11$371
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:50 amYOW - IAH
1 stop15h 53mWestJet
Sun 10/123:00 pmIAH - YOW
2 stops19h 32mWestJet
Deal found 9/11$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to George Bush Intcntl 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 September 14, 2025.
Use the filters below to find and compare flights from Ottawa to Houston George Bush Intcntl Airport that are best for you.

Fly from

Ottawa

Fly to

George Bush Intcntl

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 11/25

6:00 am-5:29 pm

1 stop12h 29m

Houston George Bush Intcntl

Thu 11/27

1:35 pm-12:40 am

1 stop10h 05m

$255

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/3

4:25 pm-8:24 am

1 stop16h 59m

Houston George Bush Intcntl

Sun 10/5

6:00 am-5:20 pm

1 stop10h 20m

$316

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 10/5

3:50 pm-8:55 am

1 stop18h 05m

Houston George Bush Intcntl

Sun 10/12

3:00 pm-6:45 am

1 stop14h 45m

$336

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 9/23

4:25 pm-8:24 am

1 stop16h 59m

Houston George Bush Intcntl

Sat 9/27

11:29 am-5:20 pm

1 stop28h 51m

$371

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/9

7:50 am-10:43 pm

1 stop15h 53m

Houston George Bush Intcntl

Sun 10/12

3:00 pm-11:32 am

2 stops19h 32m

$392

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 1/13

4:15 pm-11:30 pm

1 stop8h 15m

Houston George Bush Intcntl

Wed 1/21

5:45 am-5:25 pm

1 stop10h 40m

$398

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 11/21

5:45 pm-5:29 pm

1 stop24h 44m

Houston George Bush Intcntl

Mon 11/24

6:20 pm-4:53 pm

1 stop21h 33m

$416

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 10/15

3:50 pm-12:28 am

1 stop9h 38m

$172

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 11/2

5:00 am-11:44 am

1 stop31h 44m

$186

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 11/2

5:40 am-8:55 am

2 stops28h 15m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 13 results
1
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Best time to book a flight from Ottawa to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

What is the cheapest month to book a flight from Ottawa to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of $241). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from Ottawa to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

When flying from Ottawa to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the morning.

How much does it cost to fly round-trip from Ottawa to Houston George Bush Intcntl Airport?

Related info for your journey

Find useful and relevant information for your journey from Ottawa to George Bush Intcntl. 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 George Bush Intcntl?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Houston George Bush Intcntl. You should not have trouble finding flights to Houston George Bush Intcntl from Ottawa; the airport handles an average of 0 outbound flights to Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ottawa airport to Houston George Bush Intcntl. It is only a 6.6 mi journey to Ottawa (YOW) from Ottawa’s city center.

  • How long is the flight from Ottawa to Houston George Bush Intcntl Airport?

    For as low as $255, WestJet can have you in Houston George Bush Intcntl Airport from Ottawa in 12h 29m. The distance between Ottawa and Houston George Bush Intcntl Airport is about 1501 mi.

  • Can I find deals for flights from Ottawa to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Ottawa to George Bush Intcntl?

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

  • Can I find deals for business class flights from Ottawa to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Ottawa to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of $241). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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