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Cheap flights from Houston to Ottawa from $186

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 5/26. 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
11:32 am - 12:25 am
IAH
-
YOW
11h 53m
1 stop
Multiple Airlines Logo
4:20 pm - 8:38 am
YOW
-
IAH
17h 18m
1 stop
$285Multiple Airlines
Thu, Apr 9 - Fri, Apr 17
Multiple Airlines Logo
5:15 am - 5:25 pm
IAH
-
YOW
35h 10m
2 stops
Multiple Airlines Logo
4:20 pm - 8:40 am
YOW
-
IAH
17h 20m
1 stop
$321Multiple Airlines
Wed, Mar 18 - Mon, Mar 23
Multiple Airlines Logo
9:41 am - 12:25 am
IAH
-
YOW
13h 44m
1 stop
Multiple Airlines Logo
6:25 pm - 10:48 am
YOW
-
IAH
41h 23m
2 stops
$325Multiple Airlines
Thu, Apr 23 - Thu, May 7
Multiple Airlines Logo
5:58 pm - 5:25 pm
IAH
-
YOW
22h 27m
2 stops
Multiple Airlines Logo
4:20 pm - 8:40 am
YOW
-
IAH
17h 20m
1 stop
$329Multiple Airlines
Wed, Mar 18 - Mon, Mar 23
Multiple Airlines Logo
5:49 pm - 12:35 pm
IAH
-
YOW
17h 46m
2 stops
Multiple Airlines Logo
4:20 pm - 8:40 am
YOW
-
IAH
17h 20m
1 stop
$331Multiple Airlines
Thu, Mar 19 - Mon, Mar 23
Multiple Airlines Logo
7:05 am - 5:25 pm
IAH
-
YOW
9h 20m
1 stop
Multiple Airlines Logo
7:00 am - 3:56 pm
YOW
-
IAH
9h 56m
1 stop
$334Multiple Airlines
Wed, Mar 18 - Mon, Mar 23
American Airlines Logo
6:00 am - 4:51 pm
HOU
-
YOW
9h 51m
2 stops
American Airlines Logo
6:45 am - 7:51 pm
YOW
-
HOU
14h 06m
3 stops
$965American Airlines
Sun, Apr 5 - Sun, Apr 12
WestJet Logo
5:22 pm - 12:39 am
HOU
-
YOW
30h 17m
2 stops
WestJet Logo
5:40 am - 10:42 pm
YOW
-
HOU
18h 02m
2 stops
$978WestJet
Wed, Mar 18 - Wed, Mar 25
WestJet Logo
5:22 pm - 12:39 am
HOU
-
YOW
30h 17m
2 stops
WestJet Logo
5:40 am - 10:42 pm
YOW
-
HOU
18h 02m
2 stops
$979WestJet
Wed, Mar 18 - Wed, Mar 25
Delta Logo
11:33 am - 12:39 am
HOU
-
YOW
12h 06m
2 stops
Delta Logo
5:40 am - 4:28 pm
YOW
-
HOU
11h 48m
2 stops
$1,196Delta
Thu, Apr 9 - Fri, Apr 17

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Mar 18
IAH1:35 pmHouston George Bush Intcntl
10h 05m
1 stop
YOW12:40 amOttawa
Mar 25
YOW5:45 pmOttawa
20h 00m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$571
WestJet
Apr 23
IAH1:35 pmHouston George Bush Intcntl
10h 05m
1 stop
YOW12:40 amOttawa
May 7
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$597
WestJet
Apr 23
IAH1:35 pmHouston George Bush Intcntl
27h 48m
2 stops
YOW6:23 pmOttawa
May 7
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
$642

United Airlines flights from Houston to Ottawa

Our best United Airlines deals on Houston to Ottawa flight tickets
United Airlines
Apr 22
IAH6:50 pmHouston George Bush Intcntl
14h 13m
2 stops
YOW10:03 amOttawa
Apr 25
YOW6:25 amOttawa
13h 34m
2 stops
IAH6:59 pmHouston George Bush Intcntl
$633
United Airlines
Mar 18
IAH7:55 pmHouston George Bush Intcntl
16h 37m
2 stops
YOW1:32 pmOttawa
Mar 25
YOW9:45 amOttawa
12h 04m
2 stops
IAH8:49 pmHouston George Bush Intcntl
$645
United Airlines
Apr 22
IAH6:50 pmHouston George Bush Intcntl
14h 13m
2 stops
YOW10:03 amOttawa
Apr 25
YOW7:30 pmOttawa
13h 51m
2 stops
IAH8:21 amHouston George Bush Intcntl
$659

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 February 19, 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

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/9

11:32 am-12:25 am

1 stop11h 53m

Ottawa

Fri 4/17

4:20 pm-8:38 am

1 stop17h 18m

$285

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 3/18

5:15 am-5:25 pm

2 stops35h 10m

Ottawa

Mon 3/23

4:20 pm-8:40 am

1 stop17h 20m

$321

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/23

9:41 am-12:25 am

1 stop13h 44m

Ottawa

Thu 5/7

6:25 pm-10:48 am

2 stops41h 23m

$325

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 3/18

5:58 pm-5:25 pm

2 stops22h 27m

Ottawa

Mon 3/23

4:20 pm-8:40 am

1 stop17h 20m

$329

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 3/19

5:49 pm-12:35 pm

2 stops17h 46m

Ottawa

Mon 3/23

4:20 pm-8:40 am

1 stop17h 20m

$331

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 3/18

7:05 am-5:25 pm

1 stop9h 20m

Ottawa

Mon 3/23

7:00 am-3:56 pm

1 stop9h 56m

$334

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 4/5

6:00 am-4:51 pm

2 stops9h 51m

Ottawa

Sun 4/12

6:45 am-7:51 pm

3 stops14h 06m

$965

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 3/18

5:22 pm-12:39 am

2 stops30h 17m

Ottawa

Wed 3/25

5:40 am-10:42 pm

2 stops18h 02m

$978

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 3/18

5:22 pm-12:39 am

2 stops30h 17m

Ottawa

Wed 3/25

5:40 am-10:42 pm

2 stops18h 02m

$979

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 4/9

11:33 am-12:39 am

2 stops12h 06m

Ottawa

Fri 4/17

5:40 am-4:28 pm

2 stops11h 48m

$1,196

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

8h 44m

Direct flights

None
The fastest flight from Houston to Ottawa takes 8h 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 8h 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
Air CanadaPriceFrom $325Free CancellationRating
7.1
10,732 reviews
Search Air Canada flights
United AirlinesPriceFrom $380Free CancellationRating
7.4
9,325 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

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