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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 289

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
13 Aug — 20 Aug1
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 July 2026.

Mon 17/87:00 a.m.
YOW
-
IAH
1 stop9h 05m
Multiple Airlines
Sun 23/84:32 p.m.
IAH
-
YOW
2 stops21h 23m
Multiple Airlines
Deal found 10/7C$ 525
Sun 23/89:05 a.m.
YOW
-
IAH
2 stops38h 09m
Multiple Airlines
Sun 30/88:35 a.m.
IAH
-
YOW
1 stop29h 20m
Multiple Airlines
Deal found 11/7C$ 577
Mon 17/87:00 a.m.
YOW
-
IAH
1 stop9h 05m
Multiple Airlines
Tue 18/81:53 p.m.
IAH
-
YOW
2 stops14h 42m
Multiple Airlines
Deal found 13/7C$ 599
Sat 22/812:25 p.m.
YOW
-
IAH
2 stops11h 15m
WestJet
Fri 28/86:30 a.m.
IAH
-
YOW
2 stops28h 05m
WestJet
Deal found 10/7C$ 685
Mon 10/84:15 p.m.
YOW
-
IAH
2 stops45h 12m
Multiple Airlines
Mon 17/81:16 p.m.
IAH
-
YOW
1 stop9h 32m
Multiple Airlines
Deal found 13/7C$ 688
Thu 20/812:25 p.m.
YOW
-
IAH
2 stops11h 15m
WestJet
Mon 24/82:50 p.m.
IAH
-
YOW
2 stops19h 45m
WestJet
Deal found 12/7C$ 691
Wed 14/108:15 p.m.
YOW
-
IAH
1 stop18h 40m
WestJet
Thu 22/102:50 p.m.
IAH
-
YOW
1 stop13h 45m
WestJet
Deal found 13/7C$ 716
Wed 11/118:00 a.m.
YOW
-
IAH
1 stop8h 44m
Multiple Airlines
Tue 17/114:39 p.m.
IAH
-
YOW
1 stop23h 05m
Multiple Airlines
Deal found 12/7C$ 723

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 July 2026.

Round-trip from

C$ 525

One-way from

C$ 289

Popular in

December

Cheapest in

October

Average price

C$ 876
17/8-23/8
  • 17/8-23/8
  • 3 total stops
  • 30h 28m total
  • Ottawa to Houston
Search Deals
24/8
  • 24/8
  • 1 total stop
  • 9h 24m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 68 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 14 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

Sun 23/8

9:05 a.m.-10:14 p.m.

2 stops38h 09m

Houston George Bush Intcntl

Sun 30/8

8:35 a.m.-2:55 p.m.

1 stop29h 20m

C$ 577

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

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

2 stops26h 30m

Houston George Bush Intcntl

Fri 28/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 724

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 23/8

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

2 stops26h 30m

Houston George Bush Intcntl

Sun 30/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 727

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 5/8

8:15 p.m.-1:55 p.m.

1 stop18h 40m

Houston George Bush Intcntl

Sat 8/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 811

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 7/8

7:30 p.m.-12:45 a.m.

1 stop6h 15m

Houston George Bush Intcntl

Fri 14/8

8:11 p.m.-9:11 a.m.

1 stop12h 00m

C$ 829

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 27/10

6:15 a.m.-7:03 p.m.

1 stop13h 48m

Houston George Bush Intcntl

Thu 29/10

7:20 a.m.-2:09 p.m.

1 stop5h 49m

C$ 829

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 24/12

5:20 p.m.-12:14 a.m.

1 stop7h 54m

Houston George Bush Intcntl

Thu 31/12

2:30 p.m.-9:56 p.m.

1 stop6h 26m

C$ 829

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 11/8

6:25 a.m.-1:36 p.m.

1 stop8h 11m

Houston George Bush Intcntl

Wed 19/8

6:15 a.m.-1:59 p.m.

1 stop6h 44m

C$ 829

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 14/11

4:36 p.m.-11:10 p.m.

1 stop7h 34m

Houston George Bush Intcntl

Mon 30/11

9:55 p.m.-10:39 a.m.

1 stop11h 44m

C$ 831
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 20/10

6:05 a.m.-1:19 p.m.

2 stops8h 14m

Houston George Bush Intcntl

Wed 21/10

4:56 p.m.-11:54 p.m.

1 stop5h 58m

C$ 831

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/7

Showing 1-10 of 20 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$ 726). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,056). 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 14 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
9,991 reviews
Check prices

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

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
9,991 reviews
United Airlines
7.4
Good
9,991 reviews
Check prices

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

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
11,336 reviews
United Airlines
7.4
Good
9,991 reviews
Check prices

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

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.

  • 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 11h 15m. 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$ 578), and Air Canada (C$ 719) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 36% 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$ 726). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,056). 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

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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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 578AverageC$ 891FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 719AverageC$ 801FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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.

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