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Cheap flights from Ottawa to Houston from $226

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 8/16. 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 pm - 1:55 pm
YOW
-
IAH
22h 40m
1 stop
WestJet Logo
6:30 am - 7:20 pm
IAH
-
YOW
11h 50m
1 stop
$384WestJet
Fri, Oct 2 - Mon, Oct 5
WestJet Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YOW
9h 45m
1 stop
$385WestJet
Fri, Oct 16 - Mon, Oct 19
WestJet Logo
6:15 pm - 1:55 pm
YOW
-
IAH
20h 40m
2 stops
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YOW
9h 45m
1 stop
$407WestJet
Fri, Oct 16 - Mon, Oct 19
WestJet Logo
6:50 am - 10:40 pm
YOW
-
IAH
16h 50m
2 stops
WestJet Logo
6:30 am - 5:15 pm
IAH
-
YOW
9h 45m
1 stop
$419WestJet
Thu, Oct 15 - Fri, Oct 16
WestJet Logo
1:20 pm - 10:40 pm
YOW
-
IAH
10h 20m
1 stop
WestJet Logo
6:30 am - 7:20 pm
IAH
-
YOW
11h 50m
1 stop
$423WestJet
Thu, Oct 15 - Fri, Oct 16
WestJet Logo
1:20 pm - 10:40 pm
YOW
-
IAH
10h 20m
1 stop
WestJet Logo
2:50 pm - 3:20 pm
IAH
-
YOW
23h 30m
1 stop
$437WestJet
Thu, Sep 17 - Thu, Sep 24
WestJet Logo
1:20 pm - 10:40 pm
YOW
-
IAH
10h 20m
1 stop
WestJet Logo
2:50 pm - 3:20 pm
IAH
-
YOW
23h 30m
1 stop
$438WestJet
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
2:10 pm - 7:20 am
YOW
-
IAH
18h 10m
2 stops
Multiple Airlines Logo
8:35 am - 2:55 pm
IAH
-
YOW
29h 20m
1 stop
$441Multiple Airlines
Sat, Aug 15 - Sun, Aug 30
American Airlines Logo
1:45 pm - 10:46 pm
YOW
-
HOU
10h 01m
2 stops
American Airlines Logo
6:00 am - 5:58 pm
HOU
-
YOW
10h 58m
2 stops
$729American Airlines
Sat, Jan 16 - Sun, Jan 24
American Airlines Logo
7:00 am - 7:44 pm
YOW
-
HOU
13h 44m
3 stops
American Airlines Logo
6:14 pm - 9:35 pm
HOU
-
YOW
26h 21m
2 stops
$845American Airlines
Thu, Sep 3 - Mon, Sep 7

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American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets
American Airlines
Jan 16
YOW1:45 pmOttawa
10h 01m
2 stops
HOU10:46 pmHouston Hobby
Jan 24
HOU6:00 amHouston Hobby
10h 58m
2 stops
YOW5:58 pmOttawa
$729
American Airlines
Sep 3
YOW7:00 amOttawa
13h 44m
3 stops
HOU7:44 pmHouston Hobby
Sep 7
HOU6:14 pmHouston Hobby
26h 21m
2 stops
YOW9:35 pmOttawa
$845
American Airlines
Oct 23
YOW7:00 amOttawa
13h 49m
3 stops
HOU7:49 pmHouston Hobby
Nov 1
HOU6:00 amHouston Hobby
10h 58m
2 stops
YOW5:58 pmOttawa
$850

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
Oct 2
YOW4:15 pmOttawa
22h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
Oct 5
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
$384
WestJet
Oct 16
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
Oct 19
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$385
WestJet
Oct 16
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
Oct 19
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$407

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 July 27, 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

Fri 10/2

4:15 pm-1:55 pm

1 stop22h 40m

Houston George Bush Intcntl

Mon 10/5

6:30 am-7:20 pm

1 stop11h 50m

$384

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/16

8:15 pm-1:55 pm

1 stop18h 40m

Houston George Bush Intcntl

Mon 10/19

6:30 am-5:15 pm

1 stop9h 45m

$385

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/16

6:15 pm-1:55 pm

2 stops20h 40m

Houston George Bush Intcntl

Mon 10/19

6:30 am-5:15 pm

1 stop9h 45m

$407

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/15

6:50 am-10:40 pm

2 stops16h 50m

Houston George Bush Intcntl

Fri 10/16

6:30 am-5:15 pm

1 stop9h 45m

$419

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/15

1:20 pm-10:40 pm

1 stop10h 20m

Houston George Bush Intcntl

Fri 10/16

6:30 am-7:20 pm

1 stop11h 50m

$423

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 9/17

1:20 pm-10:40 pm

1 stop10h 20m

Houston George Bush Intcntl

Thu 9/24

2:50 pm-3:20 pm

1 stop23h 30m

$437

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 9/17

1:20 pm-10:40 pm

1 stop10h 20m

Houston George Bush Intcntl

Thu 9/24

2:50 pm-3:20 pm

1 stop23h 30m

$438

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/15

2:10 pm-7:20 am

2 stops18h 10m

Houston George Bush Intcntl

Sun 8/30

8:35 am-2:55 pm

1 stop29h 20m

$441
Quickest round-trip

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 1/16

1:45 pm-10:46 pm

2 stops10h 01m

Houston Hobby

Sun 1/24

6:00 am-5:58 pm

2 stops10h 58m

$729

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 9/3

7:00 am-7:44 pm

3 stops13h 44m

Houston Hobby

Mon 9/7

6:14 pm-9:35 pm

2 stops26h 21m

$845

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?

Prices are currently low for flights on this route.

Typical prices usually range from $584 to $847.
The lowest price recently found on this route was $384.

What is the cheapest month to fly to Houston?

The month of October is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $512. The month of May is another great option to travel to Houston, with average flight prices from Ottawa averaging around $626.

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 15m

Direct flights

None
The fastest flight from Ottawa to Houston takes 6h 15m
There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.
Search flight deals

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 15m, 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
11,391 reviews
Search Air Canada flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
10,042 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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