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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 251

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
16 Mar — 23 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 14 February 2026.

Tue 7/47:00 a.m.
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Fri 17/41:58 p.m.
IAH
-
YOW
2 stops33h 41m
Multiple Airlines
Deal found 10/2C$ 426
Tue 3/34:15 p.m.
YOW
-
IAH
1 stop9h 03m
Multiple Airlines
Tue 10/39:15 p.m.
IAH
-
YOW
1 stop19h 02m
Multiple Airlines
Deal found 10/2C$ 438
Wed 18/27:00 a.m.
YOW
-
IAH
1 stop18h 18m
Multiple Airlines
Wed 25/27:21 a.m.
IAH
-
YOW
1 stop16h 04m
Multiple Airlines
Deal found 11/2C$ 459
Thu 30/47:00 a.m.
YOW
-
IAH
1 stop14h 32m
Multiple Airlines
Tue 5/56:57 p.m.
IAH
-
YOW
2 stops28h 23m
Multiple Airlines
Deal found 11/2C$ 486
Tue 31/34:15 p.m.
YOW
-
IAH
1 stop8h 44m
Multiple Airlines
Sun 5/41:17 p.m.
IAH
-
YOW
1 stop9h 41m
Multiple Airlines
Deal found 12/2C$ 498
Sun 22/24:15 p.m.
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Sat 28/25:46 a.m.
IAH
-
YOW
1 stop10h 39m
Multiple Airlines
Deal found 11/2C$ 502

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 14 February 2026.

Round-trip from

C$ 426

One-way from

C$ 251

Popular in

March

Cheapest in

October

Average price

C$ 939
7/4-17/4
  • 7/4-17/4
  • 3 total stops
  • 45h 13m total
  • Ottawa to Houston
Search Deals
30/3
  • 30/3
  • 1 total stop
  • 18h 58m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 21 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 14 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

Tue 7/4

7:00 a.m.-5:32 p.m.

1 stop11h 32m

Houston George Bush Intcntl

Fri 17/4

1:58 p.m.-12:39 a.m.

2 stops33h 41m

C$ 426

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:15 p.m.-12:18 a.m.

1 stop9h 03m

Houston George Bush Intcntl

Tue 10/3

9:15 p.m.-5:17 p.m.

1 stop19h 02m

C$ 438

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 31/3

4:15 p.m.-11:59 p.m.

1 stop8h 44m

Houston George Bush Intcntl

Sun 5/4

1:17 p.m.-11:58 p.m.

1 stop9h 41m

C$ 498

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/5

6:15 p.m.-1:55 p.m.

2 stops20h 40m

Houston George Bush Intcntl

Fri 8/5

6:30 a.m.-12:30 p.m.

2 stops29h 00m

C$ 520

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 15/5

7:00 a.m.-10:33 p.m.

1 stop16h 33m

Houston George Bush Intcntl

Mon 18/5

6:38 p.m.-12:54 p.m.

2 stops17h 16m

C$ 520

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 28/2

10:35 a.m.-8:51 p.m.

1 stop11h 16m

Houston George Bush Intcntl

Tue 10/3

9:15 p.m.-5:17 p.m.

1 stop19h 02m

C$ 534

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 30/3

4:20 p.m.-10:18 a.m.

1 stop18h 58m

C$ 251

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 27/3

5:40 a.m.-8:08 p.m.

2 stops15h 28m

C$ 260

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 28/3

7:00 a.m.-3:56 p.m.

1 stop9h 56m

C$ 266

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 29/4

7:00 a.m.-8:32 p.m.

1 stop14h 32m

C$ 274

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/2

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$ 369). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 707). 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.

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 14 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
9,289 reviews
Check prices

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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
9,289 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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
10,717 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

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$ 634), and Air Canada (C$ 693) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 26% 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$ 369). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 707). 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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 634AverageC$ 859FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 693AverageC$ 852FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from Ottawa to George Bush Intcntl?

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.

Can Cheapflights notify me if prices for flights from Ottawa to George Bush Intcntl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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