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George Bush Intcntl

$208+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Ottawa to Houston George Bush Intcntl are usually found in September or August, booked 14 days in advance, depart on a Thursday or Friday and return on a Sunday

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 julio 30, 2025.

Round-trip from

$355
(Kiwi.com)

One-way from

$208
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$851
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. 2% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/133:50 pmYOW - IAH
1 stop8h 18mMultiple Airlines
mié. 8/205:45 amIAH - YOW
1 stop10h 21mMultiple Airlines
Deal found 7/30$355
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/217:15 pmYOW - IAH
1 stop19h 55mWestJet
mar. 10/286:20 pmIAH - YOW
1 stop29h 25mWestJet
Deal found 7/30$385
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/217:29 pmYOW - IAH
2 stops16h 08mUnited Airlines
mar. 10/287:20 amIAH - YOW
2 stops15h 34mUnited Airlines
Deal found 7/30$579

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 julio 30, 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

mié. 8/13

3:50 pm-11:08 pm

1 stop8h 18m

Houston George Bush Intcntl

mié. 8/20

5:45 am-5:06 pm

1 stop10h 21m

$355

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 10/21

7:15 pm-2:10 pm

1 stop19h 55m

Houston George Bush Intcntl

mar. 10/28

6:20 pm-12:45 am

1 stop29h 25m

$385

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 10/21

7:29 pm-10:37 am

2 stops16h 08m

Houston George Bush Intcntl

mar. 10/28

7:20 am-11:54 pm

2 stops15h 34m

$579

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

vie. 9/12

4:25 pm-8:24 am

1 stop16h 59m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

How far ahead should I book a flight from Ottawa to Houston George Bush Intcntl Airport?

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

To ensure you get the cheapest price possible for a flight from Ottawa to Houston George Bush Intcntl Airport, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 julio 30, 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.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated julio 30, 2025.
See what other customers who have flown with United Airlines and WestJet from Ottawa to Houston George Bush Intcntl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
WestJet
7.2
Good
2,975 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 1 airline has 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.

  • What are the cheapest airlines flying from Ottawa to Houston George Bush Intcntl Airport round-trip?

    Flying on WestJet is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $385. Another option worth looking into is United Airlines, starting at $579 round trip. You may be able to fly from Ottawa to Houston George Bush Intcntl Airport for 43% less than the average price by searching for these airlines.

  • 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
Humble
Conroe
The Woodlands
Tomball
Katy
Jersey Village

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Top airline flying from Ottawa to George Bush Intcntl

Discover the top airline that operate flights from Ottawa to George Bush Intcntl. 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$594Average$680FlexibilityNo cancel feeOn-time69%

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