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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 453

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

C$ 453

Popular in

December

Cheapest in

October

Average price

C$ 928
23/4-29/4
  • 23/4-29/4
  • 3 total stops
  • 19h 25m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 120 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 March 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 25 March 2025.

Wed 23/49:50 a.m.YOW - IAH
1 stop8h 15mMultiple Airlines
Tue 29/48:24 a.m.IAH - YOW
2 stops11h 10mMultiple Airlines
Deal found 24/3C$ 453
Tue 29/45:55 a.m.YOW - IAH
2 stops17h 47mWestJet
Thu 1/53:00 p.m.IAH - YOW
1 stop14h 45mWestJet
Deal found 24/3C$ 706
Tue 3/62:25 p.m.YOW - IAH
1 stop6h 31mAir Canada
Sun 22/67:20 a.m.IAH - YOW
1 stop6h 45mAir Canada
Deal found 23/3C$ 786
Mon 28/46:33 a.m.YOW - IAH
1 stop11h 48mUnited Airlines
Mon 28/47:51 p.m.IAH - YOW
1 stop13h 07mUnited Airlines
Deal found 24/3C$ 865

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 25 March 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 23/4

9:50 a.m.-5:05 p.m.

1 stop8h 15m

Houston George Bush Intcntl

Tue 29/4

8:24 a.m.-8:34 p.m.

2 stops11h 10m

C$ 453

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 29/4

5:55 a.m.-10:42 p.m.

2 stops17h 47m

Houston George Bush Intcntl

Thu 1/5

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

1 stop14h 45m

C$ 706

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/6

2:25 p.m.-7:56 p.m.

1 stop6h 31m

Houston George Bush Intcntl

Sun 22/6

7:20 a.m.-3:05 p.m.

1 stop6h 45m

C$ 786

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 28/4

6:33 a.m.-5:21 p.m.

1 stop11h 48m

Houston George Bush Intcntl

Mon 28/4

7:51 p.m.-9:58 a.m.

1 stop13h 07m

C$ 865

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 24/4

5:55 a.m.-6:31 p.m.

2 stops13h 36m

Houston George Bush Intcntl

Tue 29/4

10:18 a.m.-12:22 a.m.

2 stops13h 04m

C$ 1,241

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 17/4

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

1 stop13h 04m

C$ 503

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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

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 21 March 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$ 471). 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 25 March 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 25 March 2025.
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
8,952 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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$ 706), Air Canada (C$ 786), and United Airlines (C$ 865) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. WestJet is 24% 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$ 471). 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 545AverageC$ 929FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 663AverageC$ 942FlexibilityNo 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.

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!

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