Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 271

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
19 Jun — 26 Jun1
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 June 2025.

Round-trip from

C$ 502

One-way from

C$ 271

Popular in

December

Cheapest in

September

Average price

C$ 852
WestJet
  • WestJet
  • 21/8-26/8
  • 3 total stops
  • 33h 21m total
  • Ottawa to Houston
Search Deals
5/7
  • 5/7
  • 1 total stop
  • 9h 21m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 2025.

Thu 21/87:15 p.m.YOW - IAH
1 stop19h 56mWestJet
Tue 26/83:00 p.m.IAH - YOW
2 stops13h 25mWestJet
Deal found 13/6C$ 502
Thu 21/83:50 p.m.YOW - IAH
1 stop8h 47mMultiple Airlines
Wed 27/85:24 a.m.IAH - YOW
1 stop10h 51mMultiple Airlines
Deal found 13/6C$ 516
Thu 25/122:45 p.m.YOW - IAH
1 stop7h 34mAir Canada
Sat 3/111:05 a.m.IAH - YOW
1 stop5h 28mAir Canada
Deal found 11/6C$ 789
Thu 25/122:10 p.m.YOW - IAH
2 stops11h 16mUnited Airlines
Sat 3/17:20 a.m.IAH - YOW
1 stop6h 57mUnited Airlines
Deal found 11/6C$ 1,025

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 June 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

Thu 21/8

7:15 p.m.-2:11 p.m.

1 stop19h 56m

Houston George Bush Intcntl

Tue 26/8

3:00 p.m.-5:25 a.m.

2 stops13h 25m

C$ 502

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 21/8

3:50 p.m.-11:37 p.m.

1 stop8h 47m

Houston George Bush Intcntl

Wed 27/8

5:24 a.m.-5:15 p.m.

1 stop10h 51m

C$ 516

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/6

7:55 p.m.-11:15 a.m.

1 stop16h 20m

Houston George Bush Intcntl

Fri 22/8

12:05 p.m.-9:20 p.m.

1 stop8h 15m

C$ 856

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 5/7

3:50 p.m.-12:11 a.m.

1 stop9h 21m

C$ 271

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 June 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 14 June 2025.
WestJet
7.2
Good
2,872 reviews
Check prices

Boarding

7.4

Comfort

7.1

Overall

7.2

Entertainment

6.1

Crew

7.9

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,872 reviews
WestJet
7.2
Good
2,872 reviews
Check prices

Boarding

7.4

Comfort

7.1

Overall

7.2

Entertainment

6.1

Crew

7.9

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.1
Good
9,542 reviews
WestJet
7.2
Good
2,872 reviews
Check prices

Boarding

7.4

Comfort

7.1

Overall

7.2

Entertainment

6.1

Crew

7.9

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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$ 502), and Air Canada (C$ 856) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. WestJet is 44% 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Humble
Katy
Cypress

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 693AverageC$ 861FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 710AverageC$ 879FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.