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Cheap flights from Ottawa to Houston from C$ 284

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 17/7. 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

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Find the cheapest flights from Ottawa to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 a.m. - 8:47 a.m.
YOW
-
IAH
26h 47m
1 stop
Multiple Airlines Logo
8:02 p.m. - 2:35 p.m.
IAH
-
YOW
17h 33m
2 stops
C$ 620Multiple Airlines
Fri, 3 Jul - Thu, 9 Jul
Multiple Airlines Logo
7:00 a.m. - 8:47 a.m.
YOW
-
IAH
26h 47m
1 stop
Multiple Airlines Logo
7:23 p.m. - 2:35 p.m.
IAH
-
YOW
18h 12m
1 stop
C$ 650Multiple Airlines
Fri, 3 Jul - Thu, 9 Jul
Multiple Airlines Logo
9:05 a.m. - 7:52 p.m.
YOW
-
IAH
35h 47m
2 stops
Multiple Airlines Logo
8:20 a.m. - 2:57 p.m.
IAH
-
YOW
29h 37m
1 stop
C$ 675Multiple Airlines
Mon, 6 Jul - Sun, 12 Jul
Multiple Airlines Logo
7:00 a.m. - 10:40 a.m.
YOW
-
IAH
28h 40m
1 stop
Multiple Airlines Logo
8:36 a.m. - 3:15 p.m.
IAH
-
YOW
29h 39m
1 stop
C$ 688Multiple Airlines
Fri, 18 Sep - Fri, 25 Sep
Multiple Airlines Logo
7:00 a.m. - 6:29 p.m.
YOW
-
IAH
12h 29m
1 stop
Multiple Airlines Logo
8:20 a.m. - 5:35 p.m.
IAH
-
YOW
32h 15m
2 stops
C$ 708Multiple Airlines
Fri, 3 Jul - Sat, 11 Jul
WestJet Logo
12:25 p.m. - 10:40 p.m.
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
6:30 a.m. - 11:35 a.m.
IAH
-
YOW
28h 05m
2 stops
C$ 712WestJet
Sat, 22 Aug - Fri, 28 Aug
WestJet Logo
12:25 p.m. - 10:40 p.m.
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
6:30 a.m. - 11:35 a.m.
IAH
-
YOW
28h 05m
2 stops
C$ 713WestJet
Sat, 22 Aug - Fri, 28 Aug
Multiple Airlines Logo
7:00 a.m. - 6:29 p.m.
YOW
-
IAH
12h 29m
1 stop
Multiple Airlines Logo
8:20 a.m. - 8:05 p.m.
IAH
-
YOW
10h 45m
2 stops
C$ 715Multiple Airlines
Fri, 3 Jul - Sat, 4 Jul
Multiple Airlines Logo
2:10 p.m. - 7:20 a.m.
YOW
-
IAH
18h 10m
2 stops
Multiple Airlines Logo
7:23 p.m. - 2:35 p.m.
IAH
-
YOW
18h 12m
1 stop
C$ 722Multiple Airlines
Tue, 7 Jul - Thu, 9 Jul
WestJet Logo
12:25 p.m. - 10:40 p.m.
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
6:30 a.m. - 7:20 p.m.
IAH
-
YOW
11h 50m
1 stop
C$ 723WestJet
Sat, 22 Aug - Fri, 28 Aug

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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
4 Sep
YOW7:34 p.m.Ottawa
6h 11m
1 stop
IAH12:45 a.m.Houston George Bush Intcntl
10 Sep
IAH2:48 p.m.Houston George Bush Intcntl
8h 06m
1 stop
YOW11:54 p.m.Ottawa
C$ 831
United Airlines
27 Jun
YOW2:52 p.m.Ottawa
10h 53m
1 stop
IAH12:45 a.m.Houston George Bush Intcntl
3 Jul
IAH2:49 p.m.Houston George Bush Intcntl
6h 16m
1 stop
YOW10:05 p.m.Ottawa
C$ 870
United Airlines
19 Jun
YOW3:10 p.m.Ottawa
6h 45m
1 stop
IAH8:55 p.m.Houston George Bush Intcntl
23 Jun
IAH12:13 p.m.Houston George Bush Intcntl
10h 41m
1 stop
YOW11:54 p.m.Ottawa
C$ 1,271

Air Canada flights from Ottawa to Houston George Bush Intcntl Airport

Our best Air Canada deals on Ottawa to Houston George Bush Intcntl Airport flight tickets
Air Canada
19 Sep
YOW2:35 p.m.Ottawa
6h 17m
1 stop
IAH7:52 p.m.Houston George Bush Intcntl
22 Sep
IAH7:20 a.m.Houston George Bush Intcntl
6h 50m
1 stop
YOW3:10 p.m.Ottawa
C$ 836
Air Canada
19 Sep
YOW2:35 p.m.Ottawa
6h 17m
1 stop
IAH7:52 p.m.Houston George Bush Intcntl
22 Sep
IAH7:20 a.m.Houston George Bush Intcntl
6h 50m
1 stop
YOW3:10 p.m.Ottawa
C$ 838
Air Canada
20 Oct
YOW2:35 p.m.Ottawa
6h 17m
1 stop
IAH7:52 p.m.Houston George Bush Intcntl
21 Oct
IAH12:00 p.m.Houston George Bush Intcntl
8h 15m
1 stop
YOW9:15 p.m.Ottawa
C$ 839

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 June 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 3/7

7:00 a.m.-8:47 a.m.

1 stop26h 47m

Houston George Bush Intcntl

Thu 9/7

8:02 p.m.-2:35 p.m.

2 stops17h 33m

C$ 620

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 3/7

7:00 a.m.-8:47 a.m.

1 stop26h 47m

Houston George Bush Intcntl

Thu 9/7

7:23 p.m.-2:35 p.m.

1 stop18h 12m

C$ 650

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 6/7

9:05 a.m.-7:52 p.m.

2 stops35h 47m

Houston George Bush Intcntl

Sun 12/7

8:20 a.m.-2:57 p.m.

1 stop29h 37m

C$ 675

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 18/9

7:00 a.m.-10:40 a.m.

1 stop28h 40m

Houston George Bush Intcntl

Fri 25/9

8:36 a.m.-3:15 p.m.

1 stop29h 39m

C$ 688

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 3/7

7:00 a.m.-6:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Sat 11/7

8:20 a.m.-5:35 p.m.

2 stops32h 15m

C$ 708

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

12:25 p.m.-10:40 p.m.

2 stops11h 15m

Houston George Bush Intcntl

Fri 28/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 712

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

12:25 p.m.-10:40 p.m.

2 stops11h 15m

Houston George Bush Intcntl

Fri 28/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 713

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 3/7

7:00 a.m.-6:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Sat 4/7

8:20 a.m.-8:05 p.m.

2 stops10h 45m

C$ 715

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 7/7

2:10 p.m.-7:20 a.m.

2 stops18h 10m

Houston George Bush Intcntl

Thu 9/7

7:23 p.m.-2:35 p.m.

1 stop18h 12m

C$ 722
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

12:25 p.m.-10:40 p.m.

2 stops11h 15m

Houston George Bush Intcntl

Fri 28/8

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

1 stop11h 50m

C$ 723

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

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 May, then you should wait until October to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 717.

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

You could potentially save up to 25% 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 52m

Direct flights

None
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 5h 52m
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 52m 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$ 571Free CancellationRating
7.4
9,818 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 710Free CancellationRating
7.1
11,180 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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