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Cheap flights from Ottawa to Houston from $287

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 7/6. 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.
Multiple Airlines Logo
7:00 am - 3:05 pm
YOW
-
IAH
9h 05m
1 stop
Multiple Airlines Logo
8:35 am - 3:15 pm
IAH
-
YOW
29h 40m
1 stop
$377Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
7:00 am - 3:05 pm
YOW
-
IAH
9h 05m
1 stop
Multiple Airlines Logo
8:35 am - 7:39 pm
IAH
-
YOW
34h 04m
2 stops
$426Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
7:00 am - 4:14 pm
YOW
-
IAH
10h 14m
2 stops
Multiple Airlines Logo
12:21 pm - 11:48 pm
IAH
-
YOW
10h 27m
1 stop
$432Multiple Airlines
Thu, Sep 3 - Mon, Sep 14
Multiple Airlines Logo
2:10 pm - 7:20 am
YOW
-
IAH
18h 10m
2 stops
Multiple Airlines Logo
1:16 pm - 11:48 pm
IAH
-
YOW
9h 32m
1 stop
$440Multiple Airlines
Fri, Aug 7 - Mon, Aug 10
Multiple Airlines Logo
7:00 am - 7:20 am
YOW
-
IAH
25h 20m
2 stops
Multiple Airlines Logo
1:16 pm - 11:48 pm
IAH
-
YOW
9h 32m
1 stop
$446Multiple Airlines
Fri, Aug 14 - Mon, Aug 17
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
2:50 pm - 11:35 am
IAH
-
YOW
19h 45m
2 stops
$488WestJet
Sat, Aug 22 - Fri, Aug 28
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YOW
9h 45m
1 stop
$494WestJet
Sat, Aug 22 - Fri, Aug 28
Delta Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
Delta Logo
5:35 pm - 1:42 am
HOU
-
YOW
31h 07m
2 stops
$738Delta
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
1:05 pm - 9:40 am
YOW
-
HOU
21h 35m
2 stops
American Airlines Logo
8:20 pm - 5:58 pm
HOU
-
YOW
20h 38m
2 stops
$809American Airlines
Thu, Nov 26 - Sat, Nov 28
American Airlines Logo
8:40 am - 7:53 pm
YOW
-
HOU
12h 13m
3 stops
American Airlines Logo
9:36 am - 9:40 pm
HOU
-
YOW
11h 04m
2 stops
$847American Airlines
Thu, Jul 30 - Tue, Aug 4

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American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets
American Airlines
Nov 26
YOW1:05 pmOttawa
21h 35m
2 stops
HOU9:40 amHouston Hobby
Nov 28
HOU8:20 pmHouston Hobby
20h 38m
2 stops
YOW5:58 pmOttawa
$809
American Airlines
Jul 30
YOW8:40 amOttawa
12h 13m
3 stops
HOU7:53 pmHouston Hobby
Aug 4
HOU9:36 amHouston Hobby
11h 04m
2 stops
YOW9:40 pmOttawa
$847
American Airlines
Jul 24
YOW8:40 amOttawa
12h 13m
3 stops
HOU7:53 pmHouston Hobby
Jul 26
HOU6:03 amHouston Hobby
14h 17m
2 stops
YOW9:20 pmOttawa
$887

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH2:50 pmHouston George Bush Intcntl
19h 45m
2 stops
YOW11:35 amOttawa
$488
WestJet
Aug 22
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Aug 28
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$494
WestJet
Aug 27
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
Sep 3
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$504

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 June 22, 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

Mon 8/17

7:00 am-3:05 pm

1 stop9h 05m

Houston George Bush Intcntl

Sun 8/23

8:35 am-3:15 pm

1 stop29h 40m

$377

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 8/17

7:00 am-3:05 pm

1 stop9h 05m

Houston George Bush Intcntl

Sun 8/23

8:35 am-7:39 pm

2 stops34h 04m

$426
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 9/3

7:00 am-4:14 pm

2 stops10h 14m

Houston George Bush Intcntl

Mon 9/14

12:21 pm-11:48 pm

1 stop10h 27m

$432

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 8/7

2:10 pm-7:20 am

2 stops18h 10m

Houston George Bush Intcntl

Mon 8/10

1:16 pm-11:48 pm

1 stop9h 32m

$440

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 8/14

7:00 am-7:20 am

2 stops25h 20m

Houston George Bush Intcntl

Mon 8/17

1:16 pm-11:48 pm

1 stop9h 32m

$446

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

12:25 pm-10:40 pm

2 stops11h 15m

Houston George Bush Intcntl

Fri 8/28

2:50 pm-11:35 am

2 stops19h 45m

$488

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

12:25 pm-10:40 pm

2 stops11h 15m

Houston George Bush Intcntl

Fri 8/28

6:30 am-5:15 pm

1 stop9h 45m

$494

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 10/24

6:55 am-9:43 pm

2 stops15h 48m

Houston Hobby

Sat 10/31

5:35 pm-1:42 am

2 stops31h 07m

$738

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 11/26

1:05 pm-9:40 am

2 stops21h 35m

Houston Hobby

Sat 11/28

8:20 pm-5:58 pm

2 stops20h 38m

$809

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 7/30

8:40 am-7:53 pm

3 stops12h 13m

Houston Hobby

Tue 8/4

9:36 am-9:40 pm

2 stops11h 04m

$847

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 typical price of a round-trip flight between Ottawa and Houston?

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 $221. The month of July is another great option to travel to Houston, with average flight prices from Ottawa averaging around $250.

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 40m

Direct flights

None
The fastest flight from Ottawa to Houston takes 6h 40m
There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.
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Frequently asked questions about flying from Ottawa to Houston

  • 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 40m, 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 $290Free CancellationRating
7.1
11,238 reviews
Search Air Canada flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
9,875 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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Wed 7/22
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