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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 242

YOW — IAH
2 Nov — 9 Nov1
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

Tue 1/127:05 a.m. -
1 stop9h 55m
Wed 9/129:41 a.m. -
2 stops37h 26m
Deal found 29/9C$ 473
Tue 3/117:05 a.m. -
1 stop8h 39m
Tue 17/118:18 a.m. -
1 stop8h 02m
Deal found 29/9C$ 483
Tue 1/127:05 a.m. -
1 stop9h 55m
Tue 8/125:01 p.m. -
1 stop29h 09m
Deal found 29/9C$ 504
Sat 5/127:05 a.m. -
1 stop10h 01m
Wed 9/129:41 a.m. -
2 stops37h 26m
Deal found 29/9C$ 517
Mon 2/117:05 a.m. -
2 stops25h 18m
Tue 17/118:18 a.m. -
1 stop8h 02m
Deal found 29/9C$ 520
Thu 3/127:05 a.m. -
1 stop9h 55m
Mon 7/125:01 p.m. -
2 stops23h 57m
Deal found 29/9C$ 521
Tue 3/117:05 a.m. -
1 stop8h 39m
Wed 18/116:05 a.m. -
2 stops16h 05m
Deal found 29/9C$ 545
Sat 5/127:05 a.m. -
1 stop10h 01m
Tue 8/125:01 p.m. -
1 stop29h 09m
Deal found 29/9C$ 548

Find flight deals from Ottawa to George Bush Intcntl

Round-trip from

C$ 473

One-way from

C$ 242

Popular in

October

Cheapest in

November

Average price

C$ 1,062
1/12-9/12
  • 1/12-9/12
  • 3 total stops
  • 47h 21m total
  • Ottawa to Houston
Search Deals
8/12-31/12
  • 8/12-31/12
  • 1 total stop
  • 10h 01m total
  • Ottawa to Houston
Search Deals
High demand for flights, 6% potential price rise
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 October 2026
Search Deals

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

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 7/1

4:35 p.m.-2:37 p.m.

2 stops23h 02m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 285

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 31/10

3:10 p.m.-8:23 a.m.

2 stops18h 13m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 369

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 2/12

3:05 p.m.-4:00 p.m.

1 stop25h 55m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 391

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 1/1

7:05 a.m.-3:27 p.m.

1 stop9h 22m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 446

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 16/10

5:10 a.m.-11:07 a.m.

1 stop6h 57m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 542
Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 14/10

4:00 p.m.-9:52 p.m.

1 stop6h 52m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 542

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 14/10

6:55 a.m.-3:01 p.m.

2 stops33h 06m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 571

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 17/10

7:20 a.m.-9:36 a.m.

2 stops51h 16m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 598

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 11/11

7:05 a.m.-10:31 p.m.

2 stops16h 26m

Houston George Bush Intcntl

Sun 15/11

2:32 p.m.-5:26 p.m.

1 stop25h 54m

C$ 635

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 25/11

3:05 p.m.-4:31 p.m.

1 stop26h 26m

Houston George Bush Intcntl

Mon 30/11

5:26 p.m.-5:58 p.m.

2 stops23h 32m

C$ 772

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/9

Showing 1-10 of 17 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, November is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 717). Flying from Ottawa to Houston George Bush Intcntl Airport in October is currently the most expensive (average of C$ 1,062). 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$ 1,005 and C$ 1,102 in December.
The cheapest round-trip price found within the last 5 days was C$ 473 on Multiple Airlines (1 Dec-9 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
7.4
Good
10,280 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

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
7.4
Good
10,280 reviews
United Airlines
7.4
Good
10,280 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

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
11,712 reviews
United Airlines
7.4
Good
10,280 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

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 8h 58m. 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$ 520), and Air Canada (C$ 756) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 43% 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, November is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 717). Flying from Ottawa to Houston George Bush Intcntl Airport in October is currently the most expensive (average of C$ 1,062). 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$ 581AverageC$ 881FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 723AverageC$ 912FlexibilityNo 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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