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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 383

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
10 Jul — 17 Jul1
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 10 June 2026.

Mon 17/87:00 a.m.
YOW
-
IAH
1 stop9h 05m
Multiple Airlines
Sun 23/88:29 a.m.
IAH
-
YOW
1 stop29h 46m
Multiple Airlines
Deal found 6/6C$ 552
Tue 18/82:10 p.m.
YOW
-
IAH
2 stops18h 09m
Multiple Airlines
Sun 23/88:29 a.m.
IAH
-
YOW
1 stop29h 46m
Multiple Airlines
Deal found 6/6C$ 630
Wed 26/82:10 p.m.
YOW
-
IAH
2 stops18h 09m
Multiple Airlines
Sun 13/98:36 a.m.
IAH
-
YOW
1 stop29h 39m
Multiple Airlines
Deal found 6/6C$ 687
Wed 19/88:35 a.m.
YOW
-
IAH
1 stop15h 05m
Multiple Airlines
Sun 23/88:29 a.m.
IAH
-
YOW
1 stop29h 46m
Multiple Airlines
Deal found 6/6C$ 689
Mon 27/77:00 a.m.
YOW
-
IAH
1 stop8h 50m
Multiple Airlines
Sun 2/88:02 p.m.
IAH
-
YOW
2 stops18h 13m
Multiple Airlines
Deal found 9/6C$ 707
Mon 13/77:00 a.m.
YOW
-
IAH
1 stop8h 50m
Multiple Airlines
Fri 17/78:02 p.m.
IAH
-
YOW
2 stops17h 55m
Multiple Airlines
Deal found 9/6C$ 708

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 10 June 2026.

Round-trip from

C$ 552

One-way from

C$ 383

Popular in

December

Cheapest in

May

Average price

C$ 891
17/8-23/8
  • 17/8-23/8
  • 2 total stops
  • 38h 51m total
  • Ottawa to Houston
Search Deals
7/10
  • 7/10
  • 2 total stops
  • 33h 06m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 94 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 June 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 10 June 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

Mon 17/8

7:00 a.m.-3:05 p.m.

1 stop9h 05m

Houston George Bush Intcntl

Sun 23/8

8:29 a.m.-3:15 p.m.

1 stop29h 46m

C$ 552

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

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

1 stop10h 20m

Houston George Bush Intcntl

Fri 28/8

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

1 stop13h 45m

C$ 750

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 19/8

12:25 p.m.-10:40 p.m.

2 stops11h 15m

Houston George Bush Intcntl

Sat 22/8

2:50 p.m.-11:35 a.m.

2 stops19h 45m

C$ 789

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 20/10

6:25 a.m.-11:41 a.m.

1 stop6h 16m

Houston George Bush Intcntl

Wed 21/10

2:01 p.m.-10:35 p.m.

1 stop7h 34m

C$ 828

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 1/9

12:25 p.m.-1:55 p.m.

2 stops26h 30m

Houston George Bush Intcntl

Sat 17/10

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

2 stops20h 40m

C$ 846

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 1/7

6:00 a.m.-3:40 p.m.

2 stops10h 40m

Houston George Bush Intcntl

Sat 4/7

5:04 a.m.-2:17 p.m.

2 stops8h 13m

C$ 866

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/7

7:30 p.m.-8:39 a.m.

1 stop14h 09m

Houston George Bush Intcntl

Mon 3/8

10:57 a.m.-10:05 p.m.

1 stop10h 08m

C$ 866

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/7

6:25 a.m.-11:51 a.m.

1 stop6h 26m

Houston George Bush Intcntl

Sat 4/7

6:10 a.m.-1:59 p.m.

1 stop6h 49m

C$ 866

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/7

7:30 p.m.-8:39 a.m.

1 stop14h 09m

Houston George Bush Intcntl

Sun 2/8

6:10 a.m.-1:59 p.m.

1 stop6h 49m

C$ 866
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 3/7

6:25 a.m.-11:51 a.m.

1 stop6h 26m

Houston George Bush Intcntl

Tue 7/7

2:49 p.m.-10:05 p.m.

1 stop6h 16m

C$ 866

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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, May is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 485). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,025). 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 10 June 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
9,804 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

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
9,804 reviews
United Airlines
7.4
Good
9,804 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

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
11,154 reviews
United Airlines
7.4
Good
9,804 reviews
Check prices

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

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 6h 16m. There are 2416 km between Ottawa and Houston George Bush Intcntl Airport. This flight may include one or multiple stops.

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

    According to our current data, United Airlines (C$ 569), and Air Canada (C$ 708) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 32% 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, May is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 485). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,025). 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

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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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 569AverageC$ 878FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 708AverageC$ 790FlexibilityNo 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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