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Cheap flights from Ottawa to Houston from $196

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 4/17. 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
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 am - 3:11 pm
YOW
-
IAH
9h 11m
1 stop
Multiple Airlines Logo
9:46 am - 12:25 am
IAH
-
YOW
13h 39m
1 stop
$269Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
9:30 am - 10:34 pm
YOW
-
IAH
14h 04m
1 stop
Multiple Airlines Logo
1:17 pm - 11:58 pm
IAH
-
YOW
9h 41m
1 stop
$321Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
Multiple Airlines Logo
4:15 pm - 2:46 pm
YOW
-
IAH
23h 31m
1 stop
Multiple Airlines Logo
4:06 pm - 12:25 pm
IAH
-
YOW
19h 19m
2 stops
$327Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
4:15 pm - 4:22 pm
YOW
-
IAH
25h 07m
2 stops
Multiple Airlines Logo
7:05 am - 5:25 pm
IAH
-
YOW
9h 20m
1 stop
$335Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
9:30 am - 10:18 am
YOW
-
IAH
25h 48m
1 stop
Multiple Airlines Logo
1:17 pm - 11:58 pm
IAH
-
YOW
9h 41m
1 stop
$340Multiple Airlines
Tue, Apr 7 - Thu, Apr 9
Multiple Airlines Logo
9:30 am - 8:20 pm
YOW
-
IAH
11h 50m
1 stop
Multiple Airlines Logo
7:05 am - 5:25 pm
IAH
-
YOW
9h 20m
1 stop
$344Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
WestJet Logo
6:55 am - 4:28 pm
YOW
-
HOU
10h 33m
2 stops
WestJet Logo
1:06 pm - 12:20 am
HOU
-
YOW
10h 14m
2 stops
$591WestJet
Tue, May 5 - Fri, May 8
WestJet Logo
6:55 am - 4:28 pm
YOW
-
HOU
10h 33m
2 stops
WestJet Logo
1:06 pm - 12:20 am
HOU
-
YOW
10h 14m
2 stops
$592WestJet
Tue, May 5 - Fri, May 8
WestJet Logo
6:55 am - 4:28 pm
YOW
-
HOU
10h 33m
2 stops
WestJet Logo
1:06 pm - 12:20 am
HOU
-
YOW
10h 14m
2 stops
$618WestJet
Tue, May 5 - Fri, May 8
American Airlines Logo
8:40 am - 7:50 pm
YOW
-
HOU
12h 10m
2 stops
American Airlines Logo
6:00 am - 4:51 pm
HOU
-
YOW
9h 51m
2 stops
$641American Airlines
Thu, Mar 26 - Wed, Apr 1

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets
American Airlines
Mar 26
YOW8:40 amOttawa
12h 10m
2 stops
HOU7:50 pmHouston Hobby
Apr 1
HOU6:00 amHouston Hobby
9h 51m
2 stops
YOW4:51 pmOttawa
$641
American Airlines
Aug 23
YOW8:40 amOttawa
10h 20m
2 stops
HOU6:00 pmHouston Hobby
Aug 27
HOU6:00 amHouston Hobby
13h 00m
2 stops
YOW8:00 pmOttawa
$705
American Airlines
Apr 18
YOW10:00 amOttawa
24h 26m
2 stops
HOU9:26 amHouston Hobby
Apr 25
HOU8:21 pmHouston Hobby
21h 05m
2 stops
YOW6:26 pmOttawa
$707

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets
Delta
Apr 2
YOW5:40 amOttawa
18h 02m
2 stops
HOU10:42 pmHouston Hobby
Apr 9
HOU6:00 amHouston Hobby
17h 39m
2 stops
YOW12:39 amOttawa
$719
Delta
Apr 16
YOW5:40 amOttawa
11h 48m
2 stops
HOU4:28 pmHouston Hobby
Apr 23
HOU10:53 amHouston Hobby
12h 46m
2 stops
YOW12:39 amOttawa
$1,230

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Houston 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 832,500 searches. Data last updated March 5, 2026.
Use the filters below to find and compare flights from Ottawa to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 4/23

7:00 am-3:11 pm

1 stop9h 11m

Houston George Bush Intcntl

Thu 4/30

9:46 am-12:25 am

1 stop13h 39m

$269

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/8

9:30 am-10:34 pm

1 stop14h 04m

Houston George Bush Intcntl

Sun 4/12

1:17 pm-11:58 pm

1 stop9h 41m

$321

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 4/23

4:15 pm-2:46 pm

1 stop23h 31m

Houston George Bush Intcntl

Thu 4/30

4:06 pm-12:25 pm

2 stops19h 19m

$327

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/24

4:15 pm-4:22 pm

2 stops25h 07m

Houston George Bush Intcntl

Tue 3/31

7:05 am-5:25 pm

1 stop9h 20m

$335

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 4/7

9:30 am-10:18 am

1 stop25h 48m

Houston George Bush Intcntl

Thu 4/9

1:17 pm-11:58 pm

1 stop9h 41m

$340

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/24

9:30 am-8:20 pm

1 stop11h 50m

Houston George Bush Intcntl

Tue 3/31

7:05 am-5:25 pm

1 stop9h 20m

$344
Quickest round-trip

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 am-4:28 pm

2 stops10h 33m

Houston Hobby

Fri 5/8

1:06 pm-12:20 am

2 stops10h 14m

$591

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 am-4:28 pm

2 stops10h 33m

Houston Hobby

Fri 5/8

1:06 pm-12:20 am

2 stops10h 14m

$592

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 am-4:28 pm

2 stops10h 33m

Houston Hobby

Fri 5/8

1:06 pm-12:20 am

2 stops10h 14m

$618

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 3/26

8:40 am-7:50 pm

2 stops12h 10m

Houston Hobby

Wed 4/1

6:00 am-4:51 pm

2 stops9h 51m

$641

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

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?

The month of December is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $488. The month of October is another great option to travel to Houston, with average flight prices from Ottawa averaging around $490.

Cheap Ottawa to Houston flight deals and tips

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

Fastest flight time

6h 00m

Direct flights

None
The fastest flight from Ottawa to Houston takes 6h 00m
There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.
Search flight deals

  • How far is Ottawa to Houston by plane?

    The distance between Ottawa and Houston is about 1517.5 mi. Flights usually cover this in 6h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Ottawa Airport to Houston are updated daily.

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

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

    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.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to Houston

Compare and see reviews for airlines that fly from Ottawa to Houston with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $404Free CancellationRating
7.1
10,776 reviews
Search Air Canada flights
United AirlinesPriceFrom $602Free CancellationRating
7.4
9,389 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Houston from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

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

All flight searches from Ottawa to Houston on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Ottawa.

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

Price alerts on flights to Houston from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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