Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 311

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
29 Aug — 5 Sep1
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 30 July 2026.

Fri 2/104:15 p.m.
YOW
-
IAH
1 stop22h 40m
WestJet
Mon 5/106:30 a.m.
IAH
-
YOW
1 stop11h 50m
WestJet
Deal found 26/7C$ 539
Sat 29/87:00 a.m.
YOW
-
IAH
1 stop9h 24m
Multiple Airlines
Sun 6/98:35 a.m.
IAH
-
YOW
1 stop29h 40m
Multiple Airlines
Deal found 27/7C$ 567
Fri 16/108:15 p.m.
YOW
-
IAH
1 stop18h 40m
WestJet
Mon 19/106:30 a.m.
IAH
-
YOW
1 stop9h 45m
WestJet
Deal found 28/7C$ 584
Fri 9/107:00 a.m.
YOW
-
IAH
2 stops40h 06m
Multiple Airlines
Fri 16/106:30 a.m.
IAH
-
YOW
1 stop22h 05m
Multiple Airlines
Deal found 29/7C$ 585
Thu 12/118:00 a.m.
YOW
-
IAH
1 stop13h 20m
Multiple Airlines
Mon 16/118:44 p.m.
IAH
-
YOW
2 stops19h 00m
Multiple Airlines
Deal found 28/7C$ 591
Thu 17/91:20 p.m.
YOW
-
IAH
1 stop10h 20m
WestJet
Thu 24/92:50 p.m.
IAH
-
YOW
1 stop23h 30m
WestJet
Deal found 26/7C$ 613
Fri 23/108:15 p.m.
YOW
-
IAH
1 stop18h 40m
Multiple Airlines
Sun 1/111:35 p.m.
IAH
-
YOW
2 stops26h 09m
Multiple Airlines
Deal found 26/7C$ 615
Thu 17/91:20 p.m.
YOW
-
IAH
1 stop10h 20m
Multiple Airlines
Thu 24/95:32 p.m.
IAH
-
YOW
2 stops24h 48m
Multiple Airlines
Deal found 26/7C$ 620
Fri 9/108:15 p.m.
YOW
-
IAH
1 stop18h 40m
WestJet
Fri 16/106:30 a.m.
IAH
-
YOW
1 stop9h 45m
WestJet
Deal found 29/7C$ 626
Thu 15/101:20 p.m.
YOW
-
IAH
1 stop10h 20m
WestJet
Mon 19/106:30 a.m.
IAH
-
YOW
1 stop11h 50m
WestJet
Deal found 29/7C$ 631
Fri 16/108:15 p.m.
YOW
-
IAH
2 stops19h 50m
Multiple Airlines
Mon 19/1012:21 p.m.
IAH
-
YOW
1 stop10h 27m
Multiple Airlines
Deal found 28/7C$ 637

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 30 July 2026.

Round-trip from

C$ 539

One-way from

C$ 311

Popular in

December

Cheapest in

October

Average price

C$ 869
WestJet
  • WestJet
  • 2/10-5/10
  • 2 total stops
  • 34h 30m total
  • Ottawa to Houston
Search Deals
28/8
  • 28/8
  • 3 total stops
  • 25h 33m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 72 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 July 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 30 July 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 17/9

1:20 p.m.-10:40 p.m.

1 stop10h 20m

Houston George Bush Intcntl

Thu 24/9

5:32 p.m.-7:20 p.m.

2 stops24h 48m

C$ 620

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 27/8

4:15 p.m.-1:55 p.m.

1 stop22h 40m

Houston George Bush Intcntl

Mon 31/8

6:30 a.m.-5:15 p.m.

1 stop9h 45m

C$ 680

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 1/10

1:20 p.m.-10:40 p.m.

1 stop10h 20m

Houston George Bush Intcntl

Mon 5/10

2:50 p.m.-12:30 p.m.

2 stops20h 40m

C$ 807

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 23/10

2:00 p.m.-1:55 p.m.

2 stops24h 55m

Houston George Bush Intcntl

Sun 1/11

7:36 p.m.-12:42 a.m.

3 stops28h 06m

C$ 836

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 27/8

4:15 p.m.-1:55 p.m.

1 stop22h 40m

Houston George Bush Intcntl

Thu 3/9

2:50 p.m.-5:35 a.m.

1 stop13h 45m

C$ 908

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

3:10 p.m.-10:30 p.m.

1 stop8h 20m

Houston George Bush Intcntl

Fri 28/8

2:48 p.m.-11:54 p.m.

1 stop8h 06m

C$ 919
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 3/10

5:20 p.m.-10:46 p.m.

1 stop6h 26m

Houston George Bush Intcntl

Tue 6/10

9:30 a.m.-4:38 p.m.

1 stop6h 08m

C$ 939

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 27/11

3:10 p.m.-12:30 a.m.

2 stops10h 20m

Houston George Bush Intcntl

Sat 5/12

8:40 a.m.-9:56 p.m.

2 stops12h 16m

C$ 939

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 9/11

3:10 p.m.-12:30 a.m.

2 stops10h 20m

Houston George Bush Intcntl

Mon 16/11

10:05 p.m.-3:07 p.m.

2 stops16h 02m

C$ 939
Cheapest one-way

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 28/8

12:25 p.m.-12:58 p.m.

3 stops25h 33m

C$ 311

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 14 resultsSorted by cheapest first
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, October is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 720). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,047). 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?

Airfare is below average for this route at the moment.

Ottawa to Houston George Bush Intcntl Airport flights typically cost between C$ 854 and C$ 1,031 in October.
The cheapest round-trip price found within the last 5 days was C$ 539 on WestJet (2 Oct-5 Oct).

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 30 July 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
10,046 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

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
10,046 reviews
United Airlines
7.4
Good
10,046 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

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
11,406 reviews
United Airlines
7.4
Good
10,046 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

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.

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

    Departing from Ottawa to Houston George Bush Intcntl Airport will take you 22h 40m. There are 2416 km between Ottawa and Houston George Bush Intcntl Airport.

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

    According to our current data, United Airlines (C$ 573), and Air Canada (C$ 713) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 35% 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, October is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 720). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,047). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 573AverageC$ 883FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 713AverageC$ 837FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to George Bush Intcntl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.