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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 301

YOW — IAH
10 Dec — 17 Dec1
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

Sat 12/1210:15 a.m. -
3 stops23h 30m
Wed 16/129:24 p.m. -
2 stops25h 45m
Deal found 5/11C$ 573
Tue 8/127:00 a.m. -
1 stop10h 06m
Fri 11/127:20 p.m. -
2 stops27h 20m
Deal found 7/11C$ 595
Fri 4/1210:15 a.m. -
3 stops23h 30m
Sat 12/126:24 p.m. -
3 stops28h 16m
Deal found 5/11C$ 660

Find flight deals from Ottawa to George Bush Intcntl

Round-trip from

C$ 573

One-way from

C$ 301

Popular in

December

Cheapest in

January

Average price

C$ 1,081
12/12-16/12
  • 12/12-16/12
  • 5 total stops
  • 49h 15m total
  • Ottawa to Houston
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11/1-31/12
  • 11/1-31/12
  • 3 total stops
  • 19h 56m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 80 potential increase over avg. RT price).
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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 November 2026
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Cheapflights Fare Finder

 
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
Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 19/11

7:05 a.m.-2:44 p.m.

1 stop8h 39m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 377

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 1/1

6:00 a.m.-9:00 p.m.

2 stops16h 00m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 475

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 18/11

7:00 a.m.-2:44 p.m.

2 stops32h 44m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 481

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 26/12

2:00 p.m.-1:30 a.m.

1 stop12h 30m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 523

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 1/1

12:40 p.m.-10:11 a.m.

3 stops22h 31m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 665

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 26/12

8:30 a.m.-9:14 a.m.

3 stops25h 44m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 731

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 27/11

6:15 a.m.-10:53 p.m.

1 stop17h 38m

Houston George Bush Intcntl

Wed 2/12

10:56 a.m.-9:56 p.m.

1 stop10h 00m

C$ 887

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 18/12

2:00 p.m.-1:30 a.m.

1 stop12h 30m

Houston George Bush Intcntl

Sat 26/12

5:00 a.m.-7:27 p.m.

2 stops13h 27m

C$ 909

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 26/11

6:15 a.m.-5:25 p.m.

1 stop12h 10m

Houston George Bush Intcntl

Mon 30/11

10:05 p.m.-2:29 p.m.

2 stops15h 24m

C$ 958

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 7/1

2:00 p.m.-10:52 p.m.

2 stops9h 52m

Houston George Bush Intcntl

Fri 8/1

6:05 a.m.-1:11 p.m.

1 stop6h 06m

C$ 962

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 19 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

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, January is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 799). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,088). 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?

Airfare is below average for this route at the moment.

Ottawa to Houston George Bush Intcntl Airport flights typically cost between C$ 958 and C$ 1,081 in December.
The cheapest round-trip price found within the last 5 days was C$ 573 on Multiple Airlines (12 Dec-16 Dec).

Reviews of airlines servicing George Bush Intcntl

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
7.3
Good
10,473 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.3
Good
10,473 reviews
United Airlines
7.3
Good
10,473 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
Air Canada
7.1
Good
11,880 reviews
United Airlines
7.3
Good
10,473 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • 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.

  • How long is the flight from Ottawa to Houston George Bush Intcntl Airport?

    Departing from Ottawa to Houston George Bush Intcntl Airport will take you 17h 38m. There are 2416 km between Ottawa and Houston George Bush Intcntl Airport.

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

    According to our current data, United Airlines (C$ 515), and Air Canada (C$ 621) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines 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, January is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 799). Flying from Ottawa to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 1,088). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ottawa to George Bush Intcntl

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 515AverageC$ 901FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 621AverageC$ 910FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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