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Cheap flights from Houston to Ottawa from $151

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Ottawa departing on 5/6. 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
0 bags

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Find the cheapest flights from Houston to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:50 am - 5:35 pm
IAH
-
YOW
9h 45m
1 stop
Multiple Airlines Logo
7:00 am - 9:03 am
YOW
-
IAH
27h 03m
1 stop
$344Multiple Airlines
Tue, May 12 - Sun, May 17
Multiple Airlines Logo
5:29 pm - 5:35 pm
IAH
-
YOW
23h 06m
1 stop
Multiple Airlines Logo
7:00 am - 3:03 pm
YOW
-
IAH
9h 03m
1 stop
$346Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
6:14 pm - 12:35 pm
IAH
-
YOW
41h 21m
2 stops
Multiple Airlines Logo
7:00 am - 11:27 am
YOW
-
IAH
29h 27m
1 stop
$355Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
4:39 pm - 11:58 pm
IAH
-
YOW
30h 19m
1 stop
Multiple Airlines Logo
7:00 am - 3:03 pm
YOW
-
IAH
9h 03m
1 stop
$357Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
Multiple Airlines Logo
1:58 pm - 11:58 pm
IAH
-
YOW
9h 00m
1 stop
Multiple Airlines Logo
7:00 am - 11:27 am
YOW
-
IAH
29h 27m
1 stop
$358Multiple Airlines
Sat, Apr 18 - Mon, Apr 20
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 10:26 pm
YOW
-
HOU
16h 31m
2 stops
$730Delta
Thu, May 7 - Tue, May 12
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 10:26 pm
YOW
-
HOU
16h 31m
2 stops
$849Delta
Thu, May 14 - Thu, May 21
American Airlines Logo
8:21 pm - 6:26 pm
HOU
-
YOW
21h 05m
2 stops
American Airlines Logo
10:00 am - 11:47 pm
YOW
-
HOU
14h 47m
2 stops
$861American Airlines
Wed, Apr 15 - Sat, Apr 18
WestJet Logo
5:04 pm - 12:20 am
HOU
-
YOW
30h 16m
2 stops
WestJet Logo
6:55 am - 9:14 am
YOW
-
HOU
27h 19m
2 stops
$864WestJet
Sat, Jun 6 - Mon, Jun 8
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
34h 35m
2 stops
WestJet Logo
6:55 am - 4:09 pm
YOW
-
HOU
10h 14m
2 stops
$888WestJet
Wed, May 20 - Wed, May 27

Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
May 7
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
May 12
YOW6:55 amOttawa
16h 31m
2 stops
HOU10:26 pmHouston Hobby
$730
Delta
May 14
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
May 21
YOW6:55 amOttawa
16h 31m
2 stops
HOU10:26 pmHouston Hobby
$849
Delta
May 26
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Jun 2
YOW6:55 amOttawa
16h 31m
2 stops
HOU10:26 pmHouston Hobby
$850

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Apr 15
HOU8:21 pmHouston Hobby
21h 05m
2 stops
YOW6:26 pmOttawa
Apr 18
YOW10:00 amOttawa
14h 47m
2 stops
HOU11:47 pmHouston Hobby
$861
American Airlines
Apr 14
HOU6:01 amHouston Hobby
11h 25m
2 stops
YOW6:26 pmOttawa
Apr 17
YOW6:45 amOttawa
14h 06m
3 stops
HOU7:51 pmHouston Hobby
$939
American Airlines
Apr 24
HOU6:01 amHouston Hobby
11h 25m
2 stops
YOW6:26 pmOttawa
May 1
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$1,000

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Ottawa 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 April 1, 2026.
Use the filters below to find and compare flights from Houston to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 5/12

6:50 am-5:35 pm

1 stop9h 45m

Ottawa

Sun 5/17

7:00 am-9:03 am

1 stop27h 03m

$344
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 5/8

5:29 pm-5:35 pm

1 stop23h 06m

Ottawa

Fri 5/15

7:00 am-3:03 pm

1 stop9h 03m

$346

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/16

6:14 pm-12:35 pm

2 stops41h 21m

Ottawa

Mon 4/20

7:00 am-11:27 am

1 stop29h 27m

$355

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/23

4:39 pm-11:58 pm

1 stop30h 19m

Ottawa

Sun 4/26

7:00 am-3:03 pm

1 stop9h 03m

$357

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 4/18

1:58 pm-11:58 pm

1 stop9h 00m

Ottawa

Mon 4/20

7:00 am-11:27 am

1 stop29h 27m

$358

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 5/7

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 5/12

6:55 am-10:26 pm

2 stops16h 31m

$730

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 5/14

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Thu 5/21

6:55 am-10:26 pm

2 stops16h 31m

$849

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 4/15

8:21 pm-6:26 pm

2 stops21h 05m

Ottawa

Sat 4/18

10:00 am-11:47 pm

2 stops14h 47m

$861

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 6/6

5:04 pm-12:20 am

2 stops30h 16m

Ottawa

Mon 6/8

6:55 am-9:14 am

2 stops27h 19m

$864

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 5/20

6:00 am-5:35 pm

2 stops34h 35m

Ottawa

Wed 5/27

6:55 am-4:09 pm

2 stops10h 14m

$888

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 Ottawa from

How to get the cheapest flight ticket from Houston to Ottawa

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 Houston and Ottawa?

Cheap Houston to Ottawa flight deals and tips

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

Fastest flight time

7h 44m

Direct flights

None
The fastest flight from Houston to Ottawa takes 7h 44m
There are no direct flights from Houston to Ottawa. There are no popular flight routes from Houston to Ottawa.
Search flight deals

  • How far is Houston to Ottawa by plane?

    The straight-line distance from Houston to Ottawa is 1517.5 mi. Flights usually cover this in 7h 44m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Houston to Ottawa Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Ottawa

Compare and see reviews for airlines that fly from Houston to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $274Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights
Air CanadaPriceFrom $331Free CancellationRating
7.1
10,873 reviews
Search Air Canada flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Calabogie
Petawawa
Smiths Falls
Brockville
Perth
Prescott
Winchester
Wakefield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Ottawa for you.

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

momondo does allow users to show only those flights to Ottawa from Houston which offer a flexible booking policy as well as other useful filters and features.

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

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 Ottawa from Houston.

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

Yes momondo offers price alerts on flights to Ottawa from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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