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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 296

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAH
17 May — 24 May1
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 17 April 2026.

Thu 23/47:00 a.m.
YOW
-
IAH
1 stop9h 11m
Multiple Airlines
Thu 30/49:46 a.m.
IAH
-
YOW
1 stop13h 39m
Multiple Airlines
Deal found 16/4C$ 512
Mon 27/47:00 a.m.
YOW
-
IAH
1 stop16h 33m
Multiple Airlines
Wed 29/410:30 a.m.
IAH
-
YOW
2 stops18h 05m
Multiple Airlines
Deal found 13/4C$ 521
Wed 22/47:00 a.m.
YOW
-
IAH
1 stop29h 27m
Multiple Airlines
Tue 28/412:35 p.m.
IAH
-
YOW
2 stops27h 50m
Multiple Airlines
Deal found 13/4C$ 523
Fri 24/47:00 a.m.
YOW
-
IAH
1 stop8h 46m
Multiple Airlines
Thu 30/412:35 p.m.
IAH
-
YOW
2 stops10h 50m
Multiple Airlines
Deal found 16/4C$ 527
Tue 9/62:20 p.m.
YOW
-
IAH
1 stop25h 54m
Multiple Airlines
Tue 16/68:53 p.m.
IAH
-
YOW
2 stops31h 42m
Multiple Airlines
Deal found 14/4C$ 528
Wed 22/47:00 a.m.
YOW
-
IAH
1 stop29h 27m
Multiple Airlines
Wed 29/412:35 p.m.
IAH
-
YOW
2 stops34h 50m
Multiple Airlines
Deal found 15/4C$ 542
Mon 27/47:00 a.m.
YOW
-
IAH
1 stop16h 33m
Multiple Airlines
Tue 28/46:14 p.m.
IAH
-
YOW
2 stops22h 11m
Multiple Airlines
Deal found 13/4C$ 553
Mon 27/47:00 a.m.
YOW
-
IAH
1 stop16h 33m
Multiple Airlines
Thu 30/49:46 a.m.
IAH
-
YOW
1 stop13h 39m
Multiple Airlines
Deal found 12/4C$ 558
Tue 2/61:20 p.m.
YOW
-
IAH
1 stop10h 20m
Multiple Airlines
Fri 5/68:29 a.m.
IAH
-
YOW
1 stop29h 46m
Multiple Airlines
Deal found 16/4C$ 562
Mon 4/54:20 p.m.
YOW
-
IAH
1 stop17h 30m
Multiple Airlines
Thu 7/56:50 a.m.
IAH
-
YOW
1 stop9h 45m
Multiple Airlines
Deal found 16/4C$ 565

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 17 April 2026.

Round-trip from

C$ 521

One-way from

C$ 296

Popular in

December

Cheapest in

October

Average price

C$ 776
27/4-29/4
  • 27/4-29/4
  • 3 total stops
  • 34h 38m total
  • Ottawa to Houston
Search Deals
31/5
  • 31/5
  • 1 total stop
  • 7h 09m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 60 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 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 17 April 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

Sat 6/6

7:00 a.m.-12:34 p.m.

2 stops30h 34m

Houston George Bush Intcntl

Sat 13/6

6:50 a.m.-5:37 p.m.

1 stop9h 47m

C$ 573

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 3/6

7:00 a.m.-10:16 p.m.

2 stops16h 16m

Houston George Bush Intcntl

Sun 7/6

6:30 a.m.-5:35 a.m.

2 stops22h 05m

C$ 610

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 8/5

7:00 a.m.-3:03 p.m.

1 stop9h 03m

Houston George Bush Intcntl

Mon 18/5

6:50 a.m.-12:15 p.m.

1 stop28h 25m

C$ 701

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 16/6

7:20 a.m.-10:40 p.m.

1 stop16h 20m

Houston George Bush Intcntl

Thu 18/6

8:50 a.m.-12:20 a.m.

2 stops14h 30m

C$ 726

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 8/10

9:05 a.m.-6:39 p.m.

1 stop10h 34m

Houston George Bush Intcntl

Sun 11/10

7:34 p.m.-12:20 p.m.

1 stop15h 46m

C$ 745

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 5/5

1:20 p.m.-1:55 p.m.

1 stop25h 35m

Houston George Bush Intcntl

Fri 8/5

6:30 a.m.-5:35 a.m.

1 stop22h 05m

C$ 764
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 6/8

7:00 a.m.-6:09 p.m.

2 stops12h 09m

Houston George Bush Intcntl

Fri 14/8

2:50 p.m.-5:35 a.m.

1 stop13h 45m

C$ 778
Cheapest one-way

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 31/5

7:00 a.m.-7:34 a.m.

3 stops25h 34m

C$ 296

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/4

4:15 p.m.-10:33 p.m.

1 stop31h 18m

C$ 313

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 17/8

5:55 p.m.-9:44 a.m.

2 stops16h 49m

C$ 342

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

Showing 1-10 of 13 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$ 704). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,008). 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 17 April 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
9,602 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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
9,602 reviews
United Airlines
7.4
Good
9,602 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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
7.1
Good
10,932 reviews
United Airlines
7.4
Good
9,602 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

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, United Airlines (C$ 638), and Air Canada (C$ 697) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 25% 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$ 704). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,008). 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
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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 638AverageC$ 864FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 697AverageC$ 798FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Ottawa to George Bush Intcntl?

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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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