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Cheap flights from Ottawa to Houston from C$ 313

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 28/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
4:15 p.m. - 1:55 p.m.
YOW
-
IAH
22h 40m
1 stop
WestJet Logo
6:30 a.m. - 7:20 p.m.
IAH
-
YOW
11h 50m
1 stop
C$ 541WestJet
Fri, 2 Oct - Mon, 5 Oct
Multiple Airlines Logo
7:05 a.m. - 3:06 p.m.
YOW
-
IAH
9h 01m
1 stop
Multiple Airlines Logo
4:39 p.m. - 4:44 p.m.
IAH
-
YOW
23h 05m
1 stop
C$ 541Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
WestJet Logo
8:15 p.m. - 1:55 p.m.
YOW
-
IAH
18h 40m
1 stop
WestJet Logo
6:30 a.m. - 5:15 p.m.
IAH
-
YOW
9h 45m
1 stop
C$ 542WestJet
Fri, 16 Oct - Mon, 19 Oct
Multiple Airlines Logo
7:00 a.m. - 3:24 p.m.
YOW
-
IAH
9h 24m
1 stop
Multiple Airlines Logo
8:35 a.m. - 3:15 p.m.
IAH
-
YOW
29h 40m
1 stop
C$ 569Multiple Airlines
Sat, 29 Aug - Sun, 6 Sep
Air Canada Logo
4:00 p.m. - 10:11 p.m.
YOW
-
IAH
7h 11m
1 stop
Air Canada Logo
6:45 a.m. - 3:10 p.m.
IAH
-
YOW
7h 25m
1 stop
C$ 887Air Canada
Sat, 22 Aug - Fri, 28 Aug
Air Canada Logo
5:10 a.m. - 10:50 a.m.
YOW
-
IAH
6h 40m
1 stop
Air Canada Logo
6:45 a.m. - 3:10 p.m.
IAH
-
YOW
7h 25m
1 stop
C$ 896Air Canada
Sat, 22 Aug - Fri, 28 Aug
United Airlines Logo
6:15 a.m. - 3:40 p.m.
YOW
-
IAH
10h 25m
1 stop
United Airlines Logo
5:00 a.m. - 3:07 p.m.
IAH
-
YOW
9h 07m
2 stops
C$ 942United Airlines
Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
4:36 p.m. - 10:44 p.m.
YOW
-
IAH
7h 08m
1 stop
United Airlines Logo
5:00 a.m. - 3:10 p.m.
IAH
-
YOW
9h 10m
2 stops
C$ 942United Airlines
Fri, 8 Jan - Thu, 14 Jan
United Airlines Logo
6:15 a.m. - 3:40 p.m.
YOW
-
IAH
10h 25m
1 stop
United Airlines Logo
5:00 a.m. - 2:09 p.m.
IAH
-
YOW
8h 09m
1 stop
C$ 942United Airlines
Fri, 27 Nov - Sat, 5 Dec
United Airlines Logo
9:45 a.m. - 6:48 p.m.
YOW
-
IAH
10h 03m
2 stops
United Airlines Logo
5:00 a.m. - 3:10 p.m.
IAH
-
YOW
9h 10m
2 stops
C$ 942United Airlines
Fri, 8 Jan - Thu, 14 Jan

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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
2 Oct
YOW4:15 p.m.Ottawa
22h 40m
1 stop
IAH1:55 p.m.Houston George Bush Intcntl
5 Oct
IAH6:30 a.m.Houston George Bush Intcntl
11h 50m
1 stop
YOW7:20 p.m.Ottawa
C$ 541
WestJet
16 Oct
YOW8:15 p.m.Ottawa
18h 40m
1 stop
IAH1:55 p.m.Houston George Bush Intcntl
19 Oct
IAH6:30 a.m.Houston George Bush Intcntl
9h 45m
1 stop
YOW5:15 p.m.Ottawa
C$ 542
WestJet
16 Oct
YOW6:15 p.m.Ottawa
20h 40m
2 stops
IAH1:55 p.m.Houston George Bush Intcntl
19 Oct
IAH6:30 a.m.Houston George Bush Intcntl
9h 45m
1 stop
YOW5:15 p.m.Ottawa
C$ 573

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
4 Aug
YOW6:00 a.m.Ottawa
5h 59m
1 stop
IAH10:59 a.m.Houston George Bush Intcntl
11 Aug
IAH11:20 a.m.Houston George Bush Intcntl
10h 15m
1 stop
YOW10:35 p.m.Ottawa
C$ 1,198
United Airlines
2 Aug
YOW7:30 p.m.Ottawa
6h 15m
1 stop
IAH12:45 a.m.Houston George Bush Intcntl
9 Aug
IAH12:06 p.m.Houston George Bush Intcntl
8h 59m
1 stop
YOW10:05 p.m.Ottawa
C$ 1,200
United Airlines
4 Aug
YOW7:30 p.m.Ottawa
6h 15m
1 stop
IAH12:45 a.m.Houston George Bush Intcntl
11 Aug
IAH9:35 a.m.Houston George Bush Intcntl
12h 00m
2 stops
YOW10:35 p.m.Ottawa
C$ 1,208

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 July 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

Fri 2/10

4:15 p.m.-1:55 p.m.

1 stop22h 40m

Houston George Bush Intcntl

Mon 5/10

6:30 a.m.-7:20 p.m.

1 stop11h 50m

C$ 541

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 12/11

7:05 a.m.-3:06 p.m.

1 stop9h 01m

Houston George Bush Intcntl

Mon 16/11

4:39 p.m.-4:44 p.m.

1 stop23h 05m

C$ 541

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 16/10

8:15 p.m.-1:55 p.m.

1 stop18h 40m

Houston George Bush Intcntl

Mon 19/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

C$ 542

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 29/8

7:00 a.m.-3:24 p.m.

1 stop9h 24m

Houston George Bush Intcntl

Sun 6/9

8:35 a.m.-3:15 p.m.

1 stop29h 40m

C$ 569

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

4:00 p.m.-10:11 p.m.

1 stop7h 11m

Houston George Bush Intcntl

Fri 28/8

6:45 a.m.-3:10 p.m.

1 stop7h 25m

C$ 887
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

5:10 a.m.-10:50 a.m.

1 stop6h 40m

Houston George Bush Intcntl

Fri 28/8

6:45 a.m.-3:10 p.m.

1 stop7h 25m

C$ 896

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 27/11

6:15 a.m.-3:40 p.m.

1 stop10h 25m

Houston George Bush Intcntl

Sat 5/12

5:00 a.m.-3:07 p.m.

2 stops9h 07m

C$ 942

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 8/1

4:36 p.m.-10:44 p.m.

1 stop7h 08m

Houston George Bush Intcntl

Thu 14/1

5:00 a.m.-3:10 p.m.

2 stops9h 10m

C$ 942

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 27/11

6:15 a.m.-3:40 p.m.

1 stop10h 25m

Houston George Bush Intcntl

Sat 5/12

5:00 a.m.-2:09 p.m.

1 stop8h 09m

C$ 942

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 8/1

9:45 a.m.-6:48 p.m.

2 stops10h 03m

Houston George Bush Intcntl

Thu 14/1

5:00 a.m.-3:10 p.m.

2 stops9h 10m

C$ 942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 typical price of a round-trip flight between Ottawa and Houston George Bush Intcntl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 858 to C$ 1,035.
The lowest price recently found on this route was C$ 541.

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$ 825.

Can stopping save me money on Ottawa to Houston George Bush Intcntl Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a Ottawa to Houston George Bush Intcntl Airport flight.

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

Fastest flight time

5h 53m

Direct flights

None
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 5h 53m
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.
Search flight deals

Frequently asked questions about flying from Ottawa to Houston George Bush Intcntl Airport

  • 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 5h 53m 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$ 575Free CancellationRating
7.4
10,046 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 715Free CancellationRating
7.1
11,406 reviews
Search Air Canada flights

Travelling to a place near Houston?

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

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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