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Cheap flights from Ottawa to Houston from $192

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 2/23. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 5:32 pm
YOW
-
IAH
11h 32m
1 stop
Multiple Airlines Logo
1:58 pm - 12:39 am
IAH
-
YOW
33h 41m
2 stops
$313Multiple Airlines
Tue, Apr 7 - Fri, Apr 17
Multiple Airlines Logo
4:15 pm - 8:00 am
YOW
-
IAH
16h 45m
1 stop
Multiple Airlines Logo
9:40 pm - 5:17 pm
IAH
-
YOW
18h 37m
1 stop
$320Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
4:15 pm - 12:18 am
YOW
-
IAH
9h 03m
1 stop
Multiple Airlines Logo
9:15 pm - 5:17 pm
IAH
-
YOW
19h 02m
1 stop
$322Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
9:30 am - 5:08 pm
YOW
-
IAH
8h 38m
1 stop
Multiple Airlines Logo
2:01 pm - 11:58 pm
IAH
-
YOW
8h 57m
1 stop
$323Multiple Airlines
Wed, Apr 15 - Sat, Apr 18
Multiple Airlines Logo
9:30 am - 5:08 pm
YOW
-
IAH
8h 38m
1 stop
Multiple Airlines Logo
1:03 pm - 11:58 pm
IAH
-
YOW
9h 55m
1 stop
$339Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
4:15 pm - 8:00 am
YOW
-
IAH
16h 45m
1 stop
Multiple Airlines Logo
6:00 am - 5:17 pm
IAH
-
YOW
10h 17m
2 stops
$341Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
9:30 am - 5:08 pm
YOW
-
IAH
8h 38m
1 stop
Multiple Airlines Logo
1:03 pm - 11:58 pm
IAH
-
YOW
9h 55m
1 stop
$345Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
9:30 am - 10:50 pm
YOW
-
IAH
14h 20m
2 stops
Multiple Airlines Logo
2:01 pm - 11:58 pm
IAH
-
YOW
8h 57m
1 stop
$349Multiple Airlines
Wed, Apr 15 - Sat, Apr 18
WestJet Logo
5:55 am - 4:28 pm
YOW
-
HOU
11h 33m
2 stops
WestJet Logo
1:16 pm - 12:20 am
HOU
-
YOW
10h 04m
2 stops
$619WestJet
Tue, May 5 - Fri, May 8
WestJet Logo
5:55 am - 4:28 pm
YOW
-
HOU
11h 33m
2 stops
WestJet Logo
1:16 pm - 12:20 am
HOU
-
YOW
10h 04m
2 stops
$624WestJet
Tue, May 5 - Fri, May 8

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets
WestJet
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
29h 00m
2 stops
YOW12:30 pmOttawa
$379
WestJet
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
9h 50m
1 stop
YOW5:20 pmOttawa
$383
WestJet
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
May 8
IAH6:30 amHouston George Bush Intcntl
9h 50m
1 stop
YOW5:20 pmOttawa
$384

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets
Delta
Jun 27
YOW5:55 amOttawa
16h 43m
2 stops
HOU9:38 pmHouston Hobby
Jul 3
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
$789
Delta
Jun 27
YOW5:55 amOttawa
11h 31m
2 stops
HOU4:26 pmHouston Hobby
Jul 1
HOU1:00 pmHouston Hobby
10h 20m
2 stops
YOW12:20 amOttawa
$1,397
Delta
Jun 14
YOW5:55 amOttawa
11h 31m
2 stops
HOU4:26 pmHouston Hobby
Jun 18
HOU1:00 pmHouston Hobby
10h 20m
2 stops
YOW12:20 amOttawa
$1,746

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 February 12, 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

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 4/7

7:00 am-5:32 pm

1 stop11h 32m

Houston George Bush Intcntl

Fri 4/17

1:58 pm-12:39 am

2 stops33h 41m

$313

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Tue 3/10

9:40 pm-5:17 pm

1 stop18h 37m

$320

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:15 pm-12:18 am

1 stop9h 03m

Houston George Bush Intcntl

Tue 3/10

9:15 pm-5:17 pm

1 stop19h 02m

$322

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/15

9:30 am-5:08 pm

1 stop8h 38m

Houston George Bush Intcntl

Sat 4/18

2:01 pm-11:58 pm

1 stop8h 57m

$323

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/15

9:30 am-5:08 pm

1 stop8h 38m

Houston George Bush Intcntl

Sun 4/19

1:03 pm-11:58 pm

1 stop9h 55m

$339

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Tue 3/10

6:00 am-5:17 pm

2 stops10h 17m

$341

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/15

9:30 am-5:08 pm

1 stop8h 38m

Houston George Bush Intcntl

Sun 4/19

1:03 pm-11:58 pm

1 stop9h 55m

$345

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/15

9:30 am-10:50 pm

2 stops14h 20m

Houston George Bush Intcntl

Sat 4/18

2:01 pm-11:58 pm

1 stop8h 57m

$349

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

5:55 am-4:28 pm

2 stops11h 33m

Houston Hobby

Fri 5/8

1:16 pm-12:20 am

2 stops10h 04m

$619

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

5:55 am-4:28 pm

2 stops11h 33m

Houston Hobby

Fri 5/8

1:16 pm-12:20 am

2 stops10h 04m

$624

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 $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 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

  • 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 $404Free CancellationRating
7.1
10,709 reviews
Search Air Canada flights
United AirlinesPriceFrom $594Free CancellationRating
7.4
9,279 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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