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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 166

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to George Bush Intcntl

Enter your travel dates to find the best prices.

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 4 December 2025.

Wed 31/127:00 a.m.YOW - IAH
3 stops27h 19mMultiple Airlines
Wed 7/110:08 a.m.IAH - YOW
1 stop13h 17mMultiple Airlines
Deal found 3/12C$ 403
Fri 12/129:30 a.m.YOW - IAH
1 stop9h 59mMultiple Airlines
Mon 15/128:07 p.m.IAH - YOW
1 stop20h 06mMultiple Airlines
Deal found 2/12C$ 484
Thu 11/129:30 a.m.YOW - IAH
1 stop9h 59mMultiple Airlines
Sat 13/126:14 a.m.IAH - YOW
1 stop17h 11mMultiple Airlines
Deal found 2/12C$ 502
Tue 30/127:00 a.m.YOW - IAH
3 stops27h 15mMultiple Airlines
Tue 6/17:45 p.m.IAH - YOW
2 stops20h 08mMultiple Airlines
Deal found 2/12C$ 526
Sat 6/124:15 p.m.YOW - IAH
1 stop9h 42mMultiple Airlines
Wed 10/126:14 a.m.IAH - YOW
1 stop10h 11mMultiple Airlines
Deal found 3/12C$ 565

Find 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 4 December 2025.

Round-trip from

C$ 377

One-way from

C$ 166

Popular in

March

Cheapest in

October

Average price

C$ 1,051
5/1-16/1
  • 5/1-16/1
  • 2 total stops
  • 45h 22m total
  • Ottawa to Houston
Search Deals
18/1
  • 18/1
  • 3 total stops
  • 17h 34m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 629,999 searches. Data last updated 4 December 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

Mon 5/1

4:15 p.m.-9:03 a.m.

1 stop17h 48m

Houston George Bush Intcntl

Fri 16/1

12:41 p.m.-5:15 p.m.

1 stop27h 34m

C$ 377

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 15/1

9:40 a.m.-4:07 p.m.

1 stop7h 27m

Houston George Bush Intcntl

Thu 22/1

4:35 p.m.-5:25 p.m.

1 stop23h 50m

C$ 385

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 31/12

7:00 a.m.-9:19 a.m.

3 stops27h 19m

Houston George Bush Intcntl

Wed 7/1

10:08 a.m.-12:25 a.m.

1 stop13h 17m

C$ 403

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 5/2

9:30 a.m.-7:24 p.m.

1 stop10h 54m

Houston George Bush Intcntl

Sat 7/2

4:15 p.m.-5:25 p.m.

2 stops24h 10m

C$ 488

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 18/1

7:00 a.m.-11:34 p.m.

3 stops17h 34m

C$ 166

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 13/1

9:30 a.m.-6:39 p.m.

1 stop10h 09m

C$ 212

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 16/1

4:20 p.m.-6:58 p.m.

1 stop27h 38m

C$ 226

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 30/12

7:00 a.m.-9:15 a.m.

3 stops27h 15m

C$ 246

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 28/1

10:00 a.m.-11:58 p.m.

3 stops14h 58m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

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, July is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 406). Flying from Ottawa to Houston George Bush Intcntl Airport in August is currently the most expensive (average of C$ 703). 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 4 December 2025.

It’s typically best to fly out from Ottawa to Houston George Bush Intcntl Airport at noon. Doing so could potentially save you 19% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

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 4 December 2025.
Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,066 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

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
9,066 reviews
United Airlines
7.4
Good
9,066 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

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
Air Canada
7.1
Good
10,500 reviews
United Airlines
7.4
Good
9,066 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

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?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Houston George Bush Intcntl. On average, Ottawa has 0 outbound flights to Houston George Bush Intcntl per day from 2 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

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

    According to our current data, United Airlines (C$ 650), and Air Canada (C$ 710) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, July is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 406). Flying from Ottawa to Houston George Bush Intcntl Airport in August is currently the most expensive (average of C$ 703). 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

Travelling 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
Humble
Katy
Cypress

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Top 2 airlines flying from Ottawa to George Bush Intcntl

Discover the top 2 airlines 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 629,999 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 650AverageC$ 900FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 710AverageC$ 888FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Ottawa to George Bush Intcntl?

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to George Bush Intcntl from Ottawa.

Can Cheapflights find flights from Ottawa to George Bush Intcntl with no change fees?

Certainly. Search results for flights to George Bush Intcntl from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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