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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 261

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 441

One-way from

C$ 261

Popular in

December

Cheapest in

September

Average price

C$ 946
20/5-11/6
  • 20/5-11/6
  • 2 total stops
  • 28h 48m total
  • Ottawa to Houston
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24/5
  • 24/5
  • 1 total stop
  • 19h 04m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 111 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 April 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 29 April 2025.

Tue 20/53:50 p.m.YOW - IAH
1 stop9h 17mMultiple Airlines
Wed 11/68:44 p.m.IAH - YOW
1 stop19h 31mMultiple Airlines
Deal found 28/4C$ 441
Tue 24/65:55 a.m.YOW - IAH
2 stops10h 40mWestJet
Sat 28/67:10 a.m.IAH - YOW
2 stops16h 12mWestJet
Deal found 28/4C$ 855
Fri 18/710:25 a.m.YOW - IAH
1 stop7h 50mUnited Airlines
Fri 18/78:25 p.m.IAH - YOW
1 stop16h 39mUnited Airlines
Deal found 27/4C$ 863
Mon 19/52:35 p.m.YOW - IAH
1 stop6h 21mAir Canada
Sun 25/56:13 p.m.IAH - YOW
1 stop6h 21mAir Canada
Deal found 28/4C$ 999

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 29 April 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

Tue 20/5

3:50 p.m.-12:07 a.m.

1 stop9h 17m

Houston George Bush Intcntl

Wed 11/6

8:44 p.m.-5:15 p.m.

1 stop19h 31m

C$ 441

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/6

5:55 a.m.-3:35 p.m.

2 stops10h 40m

Houston George Bush Intcntl

Sat 28/6

7:10 a.m.-12:22 a.m.

2 stops16h 12m

C$ 855

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 18/7

10:25 a.m.-5:15 p.m.

1 stop7h 50m

Houston George Bush Intcntl

Fri 18/7

8:25 p.m.-2:04 p.m.

1 stop16h 39m

C$ 863

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 19/5

2:35 p.m.-7:56 p.m.

1 stop6h 21m

Houston George Bush Intcntl

Sun 25/5

6:13 p.m.-1:34 a.m.

1 stop6h 21m

C$ 999

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 24/5

4:25 p.m.-10:29 a.m.

1 stop19h 04m

C$ 261

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 15/7

5:50 p.m.-11:30 p.m.

1 stop6h 40m

C$ 474

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

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

How far ahead should I book a flight from Ottawa to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to George Bush Intcntl. Price data was last updated on 25 April 2025.

The price you pay for your flight from Ottawa to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 472). 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 29 April 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.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 mm per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 29 April 2025.
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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
WestJet
7.2
Good
2,823 reviews
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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
7.0
Good
9,228 reviews
United Airlines
7.4
Good
8,696 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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.

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

    According to our current data, WestJet (C$ 855), United Airlines (C$ 863), and Air Canada (C$ 999) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. WestJet is 6% 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$ 472). 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.

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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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 528AverageC$ 897FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 641AverageC$ 919FlexibilityNo 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?

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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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