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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 270

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
19 Aug — 26 Aug1
1 adult

Cheap 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 August 2025.

Round-trip from

C$ 422

One-way from

C$ 270

Popular in

December

Cheapest in

September

Average price

C$ 829
17/9-1/10
  • 17/9-1/10
  • 3 total stops
  • 22h 55m total
  • Ottawa to Houston
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WestJet
  • WestJet
  • 18/10
  • 1 total stop
  • 23h 25m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Ottawa to George Bush Intcntl

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 August 2025.

Wed 17/97:00 a.m.YOW - IAH
2 stops12h 12mMultiple Airlines
Wed 1/105:37 a.m.IAH - YOW
1 stop10h 43mMultiple Airlines
Deal found 14/8C$ 422
Sun 26/106:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Mon 3/111:35 p.m.IAH - YOW
1 stop10h 10mWestJet
Deal found 13/8C$ 430
Wed 17/97:15 p.m.YOW - IAH
1 stop19h 55mWestJet
Wed 1/103:00 p.m.IAH - YOW
1 stop14h 45mWestJet
Deal found 14/8C$ 462
Thu 16/107:15 p.m.YOW - IAH
1 stop28h 28mWestJet
Sat 25/108:00 a.m.IAH - YOW
1 stop15h 40mWestJet
Deal found 12/8C$ 467
Thu 2/107:50 a.m.YOW - IAH
1 stop31h 20mWestJet
Mon 6/108:00 a.m.IAH - YOW
1 stop15h 40mWestJet
Deal found 13/8C$ 471
Sun 26/109:20 a.m.YOW - IAH
1 stop22h 44mMultiple Airlines
Mon 3/115:45 a.m.IAH - YOW
2 stops10h 40mMultiple Airlines
Deal found 13/8C$ 478
Thu 9/106:00 a.m.YOW - IAH
1 stop17h 43mWestJet
Sun 12/103:00 p.m.IAH - YOW
1 stop14h 45mWestJet
Deal found 13/8C$ 483

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 August 2025.
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

Wed 17/9

7:00 a.m.-6:12 p.m.

2 stops12h 12m

Houston George Bush Intcntl

Wed 1/10

5:37 a.m.-5:20 p.m.

1 stop10h 43m

C$ 422

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/10

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Mon 3/11

1:35 p.m.-12:45 a.m.

1 stop10h 10m

C$ 430

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 17/9

7:15 p.m.-2:10 p.m.

1 stop19h 55m

Houston George Bush Intcntl

Wed 1/10

3:00 p.m.-6:45 a.m.

1 stop14h 45m

C$ 462

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 16/10

7:15 p.m.-10:43 p.m.

1 stop28h 28m

Houston George Bush Intcntl

Sat 25/10

8:00 a.m.-12:40 a.m.

1 stop15h 40m

C$ 467

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/10

7:50 a.m.-2:10 p.m.

1 stop31h 20m

Houston George Bush Intcntl

Mon 6/10

8:00 a.m.-12:40 a.m.

1 stop15h 40m

C$ 471

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/10

9:20 a.m.-7:04 a.m.

1 stop22h 44m

Houston George Bush Intcntl

Mon 3/11

5:45 a.m.-5:25 p.m.

2 stops10h 40m

C$ 478

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 9/10

6:00 a.m.-10:43 p.m.

1 stop17h 43m

Houston George Bush Intcntl

Sun 12/10

3:00 p.m.-6:45 a.m.

1 stop14h 45m

C$ 483

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 18/10

3:45 p.m.-2:10 p.m.

1 stop23h 25m

C$ 270

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 18/10

7:00 a.m.-12:24 a.m.

2 stops18h 24m

C$ 292

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 28/9

5:15 p.m.-2:10 p.m.

2 stops21h 55m

C$ 416

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 14 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, September is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 343). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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.

What is the cheapest time of day to fly from YOW to IAH?

Find hourly flight availability from Ottawa to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

It’s typically best to fly out from Ottawa to Houston George Bush Intcntl Airport at noon. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, which is usually more expensive.

What’s the top layover airport for flights from Ottawa to Houston George Bush Intcntl Airport?

Share of one-stop round-trip flights from Ottawa to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 52% of one-stop itineraries from Ottawa to Houston George Bush Intcntl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Houston George Bush Intcntl Airport?

Average round-trip fare for 1-stop flights from Ottawa to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of C$ 787.

What’s the fastest layover option from Ottawa to Houston George Bush Intcntl Airport?

Shortest average travel time for 1-stop one-way flights from Ottawa to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (DCA) have the shortest average one-way travel time for 1-stop routes: 5h 49m.

Which airport typically offers the quickest layover for flights from Ottawa to Houston George Bush Intcntl Airport?

Average layover duration for 1-stop one-way flights from Ottawa to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (DCA) offer the fastest connection on this route, with an average layover time of 1h 03m.

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 August 2025.
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
8,916 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

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
9,949 reviews
United Airlines
7.4
Good
8,916 reviews
Check prices

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

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, Air Canada (C$ 715), and United Airlines (C$ 719) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. Air Canada is 22% 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, September is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 343). Flying from Ottawa to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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
Humble
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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 715AverageC$ 884FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 719AverageC$ 908FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

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