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Cheap flights from Ottawa to Houston from C$ 161

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 7/12. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:20 p.m. - 5:43 p.m.YOW-IAH
26h 23m3 stops
Multiple Airlines Logo
6:14 a.m. - 12:25 a.m.IAH-YOW
17h 11m1 stop
C$ 363Multiple Airlines
Find Deal
Sat, 13 Dec - Mon, 15 Dec
Multiple Airlines Logo
4:15 p.m. - 9:18 a.m.YOW-IAH
18h 03m1 stop
Multiple Airlines Logo
8:07 p.m. - 5:13 p.m.IAH-YOW
20h 06m1 stop
C$ 371Multiple Airlines
Find Deal
Wed, 10 Dec - Wed, 17 Dec
Multiple Airlines Logo
4:20 p.m. - 11:13 p.m.YOW-IAH
7h 53m1 stop
Multiple Airlines Logo
7:00 a.m. - 5:13 p.m.IAH-YOW
9h 13m1 stop
C$ 374Multiple Airlines
Find Deal
Wed, 11 Feb - Thu, 19 Feb
Multiple Airlines Logo
4:20 p.m. - 5:43 p.m.YOW-IAH
26h 23m3 stops
Multiple Airlines Logo
10:41 a.m. - 12:42 a.m.IAH-YOW
13h 01m2 stops
C$ 399Multiple Airlines
Find Deal
Sat, 13 Dec - Mon, 15 Dec
Multiple Airlines Logo
9:30 a.m. - 7:04 p.m.YOW-IAH
10h 34m1 stop
Multiple Airlines Logo
8:17 p.m. - 11:58 p.m.IAH-YOW
26h 41m1 stop
C$ 412Multiple Airlines
Find Deal
Wed, 24 Dec - Sat, 10 Jan
Multiple Airlines Logo
4:20 p.m. - 5:43 p.m.YOW-IAH
26h 23m3 stops
Multiple Airlines Logo
4:06 p.m. - 5:13 p.m.IAH-YOW
24h 07m3 stops
C$ 423Multiple Airlines
Find Deal
Sat, 13 Dec - Mon, 15 Dec
WestJet Logo
5:45 p.m. - 12:44 p.m.YOW-IAH
19h 59m1 stop
WestJet Logo
1:35 p.m. - 12:40 a.m.IAH-YOW
10h 05m1 stop
C$ 582WestJet
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Tue, 11 Nov - Wed, 3 Dec
WestJet Logo
5:45 p.m. - 12:44 p.m.YOW-IAH
19h 59m1 stop
WestJet Logo
6:20 p.m. - 12:40 a.m.IAH-YOW
29h 20m1 stop
C$ 599WestJet
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Tue, 25 Nov - Tue, 2 Dec
United Airlines Logo
6:20 a.m. - 5:18 p.m.YOW-IAH
11h 58m1 stop
United Airlines Logo
6:30 a.m. - 1:34 p.m.IAH-YOW
6h 04m1 stop
C$ 701United Airlines
Find Deal
Tue, 24 Feb - Wed, 25 Feb
Air Canada Logo
2:50 p.m. - 9:39 p.m.YOW-IAH
7h 49m1 stop
Air Canada Logo
7:10 a.m. - 3:23 p.m.IAH-YOW
7h 13m1 stop
C$ 702Air Canada
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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
11 Nov
YOW5:45 p.m.Ottawa
19h 59m
1 stop
IAH12:44 p.m.Houston George Bush Intcntl
3 Dec
IAH1:35 p.m.Houston George Bush Intcntl
10h 05m
1 stop
YOW12:40 a.m.Ottawa
C$ 582
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WestJet
25 Nov
YOW5:45 p.m.Ottawa
19h 59m
1 stop
IAH12:44 p.m.Houston George Bush Intcntl
2 Dec
IAH6:20 p.m.Houston George Bush Intcntl
29h 20m
1 stop
YOW12:40 a.m.Ottawa
C$ 599
Find similar
WestJet
25 Nov
YOW5:45 p.m.Ottawa
19h 59m
1 stop
IAH12:44 p.m.Houston George Bush Intcntl
2 Dec
IAH6:20 p.m.Houston George Bush Intcntl
29h 20m
1 stop
YOW12:40 a.m.Ottawa
C$ 607
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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
YOW6:20 a.m.Ottawa
11h 58m
1 stop
IAH5:18 p.m.Houston George Bush Intcntl
25 Feb
IAH6:30 a.m.Houston George Bush Intcntl
6h 04m
1 stop
YOW1:34 p.m.Ottawa
C$ 701
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United Airlines
12 Nov
YOW7:30 p.m.Ottawa
14h 20m
2 stops
IAH8:50 a.m.Houston George Bush Intcntl
2 Dec
IAH7:20 a.m.Houston George Bush Intcntl
6h 07m
1 stop
YOW2:27 p.m.Ottawa
C$ 730
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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 30 October 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

Sat 13/12

4:20 p.m.-5:43 p.m.

3 stops26h 23m

Houston George Bush Intcntl

Mon 15/12

6:14 a.m.-12:25 a.m.

1 stop17h 11m

C$ 363

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 10/12

4:15 p.m.-9:18 a.m.

1 stop18h 03m

Houston George Bush Intcntl

Wed 17/12

8:07 p.m.-5:13 p.m.

1 stop20h 06m

C$ 371

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 11/2

4:20 p.m.-11:13 p.m.

1 stop7h 53m

Houston George Bush Intcntl

Thu 19/2

7:00 a.m.-5:13 p.m.

1 stop9h 13m

C$ 374

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 13/12

4:20 p.m.-5:43 p.m.

3 stops26h 23m

Houston George Bush Intcntl

Mon 15/12

10:41 a.m.-12:42 a.m.

2 stops13h 01m

C$ 399

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 24/12

9:30 a.m.-7:04 p.m.

1 stop10h 34m

Houston George Bush Intcntl

Sat 10/1

8:17 p.m.-11:58 p.m.

1 stop26h 41m

C$ 412

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 13/12

4:20 p.m.-5:43 p.m.

3 stops26h 23m

Houston George Bush Intcntl

Mon 15/12

4:06 p.m.-5:13 p.m.

3 stops24h 07m

C$ 423

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 11/11

5:45 p.m.-12:44 p.m.

1 stop19h 59m

Houston George Bush Intcntl

Wed 3/12

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

1 stop10h 05m

C$ 582

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/11

5:45 p.m.-12:44 p.m.

1 stop19h 59m

Houston George Bush Intcntl

Tue 2/12

6:20 p.m.-12:40 a.m.

1 stop29h 20m

C$ 599

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/2

6:20 a.m.-5:18 p.m.

1 stop11h 58m

Houston George Bush Intcntl

Wed 25/2

6:30 a.m.-1:34 p.m.

1 stop6h 04m

C$ 701

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/2

2:50 p.m.-9:39 p.m.

1 stop7h 49m

Houston George Bush Intcntl

Wed 25/2

7:10 a.m.-3:23 p.m.

1 stop7h 13m

C$ 702

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 April to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 725.

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$ 823. 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$ 1,084. 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$ 786 when looking at flights departing at noon. Try not to purchase tickets in the afternoon because they tend to be around C$ 976. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 6h 45m 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
United AirlinesPriceFrom C$ 650Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 710Free CancellationRating
7.1
10,381 reviews
Search Air Canada 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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