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Cheap flights from Ottawa to Houston from C$ 239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Houston departing on 29/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

WestJet Logo
6:00 a.m. - 5:29 p.m.YOW-IAH
12h 29m1 stop
WestJet Logo
1:35 p.m. - 12:40 a.m.IAH-YOW
10h 05m1 stop
C$ 353WestJet
Find Deal
Tue, 25 Nov - Thu, 27 Nov
Logo
4:25 p.m. - 7:04 a.m.YOW-IAH
15h 39m1 stop
Logo
1:35 p.m. - 12:40 a.m.IAH-YOW
10h 05m1 stop
C$ 397
Find Deal
Thu, 23 Oct - Fri, 31 Oct
Logo
9:30 a.m. - 9:33 a.m.YOW-IAH
25h 03m1 stop
Logo
1:35 p.m. - 12:40 a.m.IAH-YOW
10h 05m1 stop
C$ 410
Find Deal
Fri, 31 Oct - Mon, 3 Nov
WestJet Logo
6:00 a.m. - 5:29 p.m.YOW-IAH
12h 29m1 stop
WestJet Logo
6:20 p.m. - 4:53 p.m.IAH-YOW
21h 33m1 stop
C$ 417WestJet
Find Deal
Thu, 27 Nov - Tue, 2 Dec
Logo
7:00 a.m. - 11:23 p.m.YOW-IAH
17h 23m2 stops
Logo
1:35 p.m. - 12:40 a.m.IAH-YOW
10h 05m1 stop
C$ 424
Find Deal
Thu, 23 Oct - Fri, 31 Oct
Logo
3:50 p.m. - 12:28 a.m.YOW-IAH
9h 38m1 stop
Logo
6:00 a.m. - 5:20 p.m.IAH-YOW
10h 20m1 stop
C$ 437
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Logo
9:30 a.m. - 9:33 a.m.YOW-IAH
25h 03m1 stop
Logo
6:00 a.m. - 6:26 p.m.IAH-YOW
11h 26m2 stops
C$ 440
Find Deal
Fri, 31 Oct - Mon, 3 Nov
Logo
3:50 p.m. - 8:55 a.m.YOW-IAH
18h 05m1 stop
Logo
3:00 p.m. - 1:03 p.m.IAH-YOW
21h 03m2 stops
C$ 451
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Sun, 5 Oct - Sun, 12 Oct
United Airlines Logo
9:45 a.m. - 8:40 p.m.YOW-IAH
11h 55m2 stops
United Airlines Logo
6:05 p.m. - 1:34 p.m.IAH-YOW
18h 29m2 stops
C$ 583United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
9:45 a.m. - 8:40 p.m.YOW-IAH
11h 55m2 stops
United Airlines Logo
9:49 a.m. - 9:14 p.m.IAH-YOW
10h 25m1 stop
C$ 764United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb

WestJet flights from Ottawa to Houston George Bush Intcntl Airport

Our best WestJet deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
WestJet
25 Nov
YOW6:00 a.m.Ottawa
12h 29m
1 stop
IAH5:29 p.m.Houston George Bush Intcntl
27 Nov
IAH1:35 p.m.Houston George Bush Intcntl
10h 05m
1 stop
YOW12:40 a.m.Ottawa
C$ 353
Find similar
WestJet
27 Nov
YOW6:00 a.m.Ottawa
12h 29m
1 stop
IAH5:29 p.m.Houston George Bush Intcntl
2 Dec
IAH6:20 p.m.Houston George Bush Intcntl
21h 33m
1 stop
YOW4:53 p.m.Ottawa
C$ 417
Find similar
WestJet
22 Feb
YOW6:00 a.m.Ottawa
12h 30m
1 stop
IAH5:30 p.m.Houston George Bush Intcntl
27 Feb
IAH6:20 p.m.Houston George Bush Intcntl
29h 20m
1 stop
YOW12:40 a.m.Ottawa
C$ 530
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United Airlines flights from Ottawa to Houston George Bush Intcntl Airport

Our best United Airlines deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
United Airlines
24 Feb
YOW9:45 a.m.Ottawa
11h 55m
2 stops
IAH8:40 p.m.Houston George Bush Intcntl
25 Feb
IAH6:05 p.m.Houston George Bush Intcntl
18h 29m
2 stops
YOW1:34 p.m.Ottawa
C$ 583
Find similar
United Airlines
24 Feb
YOW9:45 a.m.Ottawa
11h 55m
2 stops
IAH8:40 p.m.Houston George Bush Intcntl
25 Feb
IAH9:49 a.m.Houston George Bush Intcntl
10h 25m
1 stop
YOW9:14 p.m.Ottawa
C$ 764
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United Airlines
24 Sep
YOW7:29 p.m.Ottawa
19h 08m
2 stops
IAH1:37 p.m.Houston George Bush Intcntl
30 Sep
IAH7:20 a.m.Houston George Bush Intcntl
13h 45m
2 stops
YOW10:05 p.m.Ottawa
C$ 943
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momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Houston George Bush Intcntl Airport 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, momondo users made 96,600 searches. Data last updated 15 September 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

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Thu 27/11

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 353

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 23/10

4:25 p.m.-7:04 a.m.

1 stop15h 39m

Houston George Bush Intcntl

Fri 31/10

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 397

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 31/10

9:30 a.m.-9:33 a.m.

1 stop25h 03m

Houston George Bush Intcntl

Mon 3/11

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 410

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 27/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Tue 2/12

6:20 p.m.-4:53 p.m.

1 stop21h 33m

C$ 417

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 23/10

7:00 a.m.-11:23 p.m.

2 stops17h 23m

Houston George Bush Intcntl

Fri 31/10

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 424

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 12/10

3:50 p.m.-12:28 a.m.

1 stop9h 38m

Houston George Bush Intcntl

Sun 19/10

6:00 a.m.-5:20 p.m.

1 stop10h 20m

C$ 437

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 31/10

9:30 a.m.-9:33 a.m.

1 stop25h 03m

Houston George Bush Intcntl

Mon 3/11

6:00 a.m.-6:26 p.m.

2 stops11h 26m

C$ 440

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 5/10

3:50 p.m.-8:55 a.m.

1 stop18h 05m

Houston George Bush Intcntl

Sun 12/10

3:00 p.m.-1:03 p.m.

2 stops21h 03m

C$ 451

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/2

9:45 a.m.-8:40 p.m.

2 stops11h 55m

Houston George Bush Intcntl

Wed 25/2

6:05 p.m.-1:34 p.m.

2 stops18h 29m

C$ 583

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/2

9:45 a.m.-8:40 p.m.

2 stops11h 55m

Houston George Bush Intcntl

Wed 25/2

9:49 a.m.-9:14 p.m.

1 stop10h 25m

C$ 764

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See travel insights to Houston from

How to get the cheapest flight ticket from Ottawa to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

If you don’t want to visit Houston George Bush Intcntl Airport in October, then you should wait until May to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 847.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart on your flight to Houston George Bush Intcntl Airport is on a Saturday when prices can be found for as low as C$ 816. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 1,074. These prices are subject to change though, so be sure to set up a Price Alert for flights to Houston George Bush Intcntl Airport.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Flying to Houston George Bush Intcntl Airport from Ottawa at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 779 when looking at flights departing at noon. Try not to purchase tickets in the afternoon because they tend to be around C$ 967. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Ottawa to Houston George Bush Intcntl Airport flight prices changed over time?

As of September 2025, prices for Ottawa to Houston George Bush Intcntl Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Houston George Bush Intcntl Airport (YOW to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Houston George Bush Intcntl Airport

Direct flights

None
There are no direct flights from Ottawa to Houston George Bush Intcntl Airport. There are no popular flight routes from Ottawa to Houston George Bush Intcntl Airport.
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  • How far is Ottawa to Houston George Bush Intcntl by plane?

    The distance between Ottawa and Houston George Bush Intcntl is about 2420.9 km. Typically, this will take 7h 29m by plane in normal conditions.

  • When did momondo last update prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport refresh daily.

  • How many operators does momondo search for flights from Ottawa Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Ottawa Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ottawa to Houston George Bush Intcntl Airport?

Best airlines flying from Ottawa to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Ottawa to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 710Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 830Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Humble
The Woodlands
Spring

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Houston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Ottawa.

Can I find flights from Ottawa to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Ottawa and alert you when they change.

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