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Cheap flights from Ottawa to Houston from $208

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 9/9. 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 - 8:47 am
YOW
-
IAH
26h 47m
2 stops
Multiple Airlines Logo
6:30 am - 5:15 pm
IAH
-
YOW
9h 45m
1 stop
$451Multiple Airlines
Tue, Aug 25 - Sat, Aug 29
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
$457WestJet
Tue, Aug 25 - Sat, Aug 29
Air Canada Logo
2:35 pm - 7:52 pm
YOW
-
IAH
6h 17m
1 stop
Air Canada Logo
7:20 am - 3:10 pm
IAH
-
YOW
6h 50m
1 stop
$505Air Canada
Fri, Oct 2 - Mon, Oct 5
WestJet Logo
12:25 pm - 1:55 pm
YOW
-
IAH
26h 30m
2 stops
WestJet Logo
6:30 am - 7:20 pm
IAH
-
YOW
11h 50m
1 stop
$506WestJet
Fri, Oct 2 - Mon, Oct 5
WestJet Logo
12:25 pm - 1:55 pm
YOW
-
IAH
26h 30m
2 stops
WestJet Logo
6:30 am - 7:20 pm
IAH
-
YOW
11h 50m
1 stop
$507WestJet
Fri, Oct 2 - Mon, Oct 5
Multiple Airlines Logo
7:00 am - 8:47 am
YOW
-
IAH
26h 47m
2 stops
Multiple Airlines Logo
7:24 pm - 2:33 pm
IAH
-
YOW
18h 09m
1 stop
$513Multiple Airlines
Tue, Jun 16 - Thu, Jun 18
WestJet Logo
7:20 am - 1:55 pm
YOW
-
IAH
31h 35m
1 stop
WestJet Logo
2:50 pm - 5:15 pm
IAH
-
YOW
25h 25m
1 stop
$514WestJet
Sat, Aug 22 - Fri, Aug 28
WestJet Logo
12:25 pm - 1:55 pm
YOW
-
IAH
26h 30m
2 stops
WestJet Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
$516WestJet
Sat, Aug 22 - Fri, Aug 28
Air Canada Logo
2:35 pm - 7:59 pm
YOW
-
IAH
6h 24m
1 stop
Air Canada Logo
7:20 am - 3:11 pm
IAH
-
YOW
6h 51m
1 stop
$526Air Canada
Wed, Jun 10 - Fri, Jun 12
Delta Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
Delta Logo
6:03 am - 12:20 am
HOU
-
YOW
17h 17m
2 stops
$771Delta
Wed, Jun 24 - Mon, Jun 29

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
Aug 25
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
Aug 29
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
$457
WestJet
Oct 2
YOW12:25 pmOttawa
26h 30m
2 stops
IAH1:55 pmHouston George Bush Intcntl
Oct 5
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
$506
WestJet
Oct 2
YOW12:25 pmOttawa
26h 30m
2 stops
IAH1:55 pmHouston George Bush Intcntl
Oct 5
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
$507

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets
American Airlines
Jun 22
YOW8:40 amOttawa
12h 11m
2 stops
HOU7:51 pmHouston Hobby
Jun 29
HOU6:03 amHouston Hobby
13h 02m
2 stops
YOW8:05 pmOttawa
$1,054
American Airlines
Jun 2
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
Jun 9
HOU6:40 pmHouston Hobby
19h 15m
3 stops
YOW2:55 pmOttawa
$1,196
American Airlines
May 25
YOW7:00 amOttawa
13h 47m
3 stops
IAH7:47 pmHouston George Bush Intcntl
Jun 3
IAH7:02 amHouston George Bush Intcntl
12h 03m
2 stops
YOW8:05 pmOttawa
$1,265

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 May 24, 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

Tue 8/25

7:00 am-8:47 am

2 stops26h 47m

Houston George Bush Intcntl

Sat 8/29

6:30 am-5:15 pm

1 stop9h 45m

$451

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 8/25

8:15 pm-1:55 pm

1 stop18h 40m

Houston George Bush Intcntl

Sat 8/29

6:30 am-5:15 pm

1 stop9h 45m

$457
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/2

2:35 pm-7:52 pm

1 stop6h 17m

Houston George Bush Intcntl

Mon 10/5

7:20 am-3:10 pm

1 stop6h 50m

$505

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/2

12:25 pm-1:55 pm

2 stops26h 30m

Houston George Bush Intcntl

Mon 10/5

6:30 am-7:20 pm

1 stop11h 50m

$506

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/2

12:25 pm-1:55 pm

2 stops26h 30m

Houston George Bush Intcntl

Mon 10/5

6:30 am-7:20 pm

1 stop11h 50m

$507

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 6/16

7:00 am-8:47 am

2 stops26h 47m

Houston George Bush Intcntl

Thu 6/18

7:24 pm-2:33 pm

1 stop18h 09m

$513

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

7:20 am-1:55 pm

1 stop31h 35m

Houston George Bush Intcntl

Fri 8/28

2:50 pm-5:15 pm

1 stop25h 25m

$514

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/22

12:25 pm-1:55 pm

2 stops26h 30m

Houston George Bush Intcntl

Fri 8/28

2:50 pm-5:35 am

1 stop13h 45m

$516

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 6/10

2:35 pm-7:59 pm

1 stop6h 24m

Houston George Bush Intcntl

Fri 6/12

7:20 am-3:11 pm

1 stop6h 51m

$526

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 6/24

6:55 am-9:43 pm

2 stops15h 48m

Houston Hobby

Mon 6/29

6:03 am-12:20 am

2 stops17h 17m

$771

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 July is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $167. The month of December is another great option to travel to Houston, with average flight prices from Ottawa averaging around $221.

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
United AirlinesPriceFrom $354Free CancellationRating
7.4
9,749 reviews
Search United Airlines flights
Air CanadaPriceFrom $404Free CancellationRating
7.1
11,078 reviews
Search Air Canada 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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