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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 261

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
23 Mar — 30 Mar1
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 21 February 2026.

Mon 20/47:00 a.m.
YOW
-
IAH
1 stop15h 55m
Multiple Airlines
Thu 23/49:46 a.m.
IAH
-
YOW
1 stop13h 39m
Multiple Airlines
Deal found 19/2C$ 372
Sat 4/47:00 a.m.
YOW
-
IAH
1 stop12h 23m
Multiple Airlines
Sat 11/411:16 a.m.
IAH
-
YOW
1 stop11h 42m
Multiple Airlines
Deal found 19/2C$ 435
Mon 23/34:20 p.m.
YOW
-
IAH
1 stop17h 20m
Multiple Airlines
Sun 29/35:15 a.m.
IAH
-
YOW
2 stops41h 47m
Multiple Airlines
Deal found 19/2C$ 446
Thu 16/44:15 p.m.
YOW
-
IAH
1 stop8h 33m
Multiple Airlines
Sun 19/49:32 a.m.
IAH
-
YOW
1 stop13h 26m
Multiple Airlines
Deal found 17/2C$ 478
Wed 4/34:15 p.m.
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Thu 12/39:15 p.m.
IAH
-
YOW
1 stop25h 47m
Multiple Airlines
Deal found 20/2C$ 483
Fri 6/33:05 p.m.
YOW
-
IAH
2 stops21h 06m
Multiple Airlines
Tue 10/39:15 p.m.
IAH
-
YOW
1 stop25h 47m
Multiple Airlines
Deal found 18/2C$ 487

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 21 February 2026.

Round-trip from

C$ 372

One-way from

C$ 261

Popular in

December

Cheapest in

October

Average price

C$ 950
20/4-23/4
  • 20/4-23/4
  • 2 total stops
  • 29h 34m total
  • Ottawa to Houston
Search Deals
11/5
  • 11/5
  • 1 total stop
  • 17h 23m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 21 February 2026.
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 20/4

7:00 a.m.-9:55 p.m.

1 stop15h 55m

Houston George Bush Intcntl

Thu 23/4

9:46 a.m.-12:25 a.m.

1 stop13h 39m

C$ 374

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 16/4

4:15 p.m.-11:48 p.m.

1 stop8h 33m

Houston George Bush Intcntl

Sun 19/4

9:32 a.m.-11:58 p.m.

1 stop13h 26m

C$ 478

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 6/3

3:05 p.m.-11:11 a.m.

2 stops21h 06m

Houston George Bush Intcntl

Tue 10/3

9:15 p.m.-12:02 a.m.

1 stop25h 47m

C$ 487

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/5

1:20 p.m.-1:55 p.m.

1 stop25h 35m

Houston George Bush Intcntl

Fri 8/5

6:30 a.m.-5:20 p.m.

1 stop9h 50m

C$ 548

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 18/3

9:30 a.m.-8:52 p.m.

1 stop12h 22m

Houston George Bush Intcntl

Wed 25/3

6:00 a.m.-12:25 a.m.

2 stops17h 25m

C$ 550

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 11/5

4:15 p.m.-8:38 a.m.

1 stop17h 23m

C$ 261

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 9/5

2:20 p.m.-8:46 a.m.

2 stops19h 26m

C$ 307

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 17/8

4:15 p.m.-1:59 p.m.

1 stop22h 44m

C$ 312

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 18/8

8:30 a.m.-8:32 p.m.

2 stops13h 02m

C$ 337

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 1/4

5:45 p.m.-12:45 p.m.

1 stop20h 00m

C$ 339

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 12 results
1
2

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$ 371). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 710). 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.

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 21 February 2026.
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
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

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
9,335 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

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
10,734 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

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$ 637), and Air Canada (C$ 695) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 25% 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$ 371). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 710). 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
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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 637AverageC$ 864FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 695AverageC$ 858FlexibilityNo 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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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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