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Cheap flights from Houston to Ottawa from $183

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 10/13. 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 Houston to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:35 am - 3:07 pmIAH  Houston George Bush Intcntl-YOW Ottawa
29h 32m1 stop Fort Lauderdale
Multiple Airlines Logo
4:15 pm - 3:13 pmYOW  Ottawa-IAH Houston George Bush Intcntl
23h 58m1 stop Orlando
$382Multiple Airlines
Sun, Sep 6 - Mon, Sep 21
Multiple Airlines Logo
8:35 am - 3:07 pmIAH  Houston George Bush Intcntl-YOW Ottawa
29h 32m1 stop Fort Lauderdale
Multiple Airlines Logo
7:00 am - 9:14 pmYOW  Ottawa-IAH Houston George Bush Intcntl
15h 14m2 stops Toronto Pearson Intl Orlando
$391Multiple Airlines
Sun, Sep 6 - Tue, Sep 22
Multiple Airlines Logo
8:35 am - 3:07 pmIAH  Houston George Bush Intcntl-YOW Ottawa
29h 32m1 stop Fort Lauderdale
Multiple Airlines Logo
7:00 am - 9:14 pmYOW  Ottawa-IAH Houston George Bush Intcntl
15h 14m2 stops Toronto Pearson Intl Orlando
$393Multiple Airlines
Sun, Sep 6 - Thu, Sep 24
Multiple Airlines Logo
8:35 am - 3:07 pmIAH  Houston George Bush Intcntl-YOW Ottawa
29h 32m1 stop Fort Lauderdale
Multiple Airlines Logo
7:00 am - 9:14 pmYOW  Ottawa-IAH Houston George Bush Intcntl
15h 14m2 stops Toronto Pearson Intl Orlando
$393Multiple Airlines
Sun, Sep 6 - Tue, Sep 29
Air Canada Logo
11:50 am - 7:52 pmIAH  Houston George Bush Intcntl-YOW Ottawa
7h 02m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:10 am - 5:18 pmYOW  Ottawa-IAH Houston George Bush Intcntl
9h 08m1 stop Toronto Pearson Intl
$812Air Canada
Mon, Dec 14 - Fri, Dec 18
Air Canada Logo
10:00 am - 5:29 pmIAH  Houston George Bush Intcntl-YOW Ottawa
6h 29m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:10 am - 10:50 amYOW  Ottawa-IAH Houston George Bush Intcntl
6h 40m1 stop Toronto Pearson Intl
$828Air Canada
Sun, Aug 23 - Thu, Sep 3
Air Canada Logo
10:00 am - 5:29 pmIAH  Houston George Bush Intcntl-YOW Ottawa
6h 29m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:10 am - 10:50 amYOW  Ottawa-IAH Houston George Bush Intcntl
6h 40m1 stop Toronto Pearson Intl
$833Air Canada
Sun, Aug 23 - Thu, Sep 3
United Airlines Logo
6:05 pm - 9:11 amIAH  Houston George Bush Intcntl-YOW Ottawa
14h 06m1 stop Newark
United Airlines Logo
6:01 pm - 9:50 amYOW  Ottawa-IAH Houston George Bush Intcntl
16h 49m1 stop Newark
$859United Airlines
Wed, Sep 23 - Sun, Sep 27
United Airlines Logo
8:11 pm - 9:11 amIAH  Houston George Bush Intcntl-YOW Ottawa
12h 00m1 stop Newark
United Airlines Logo
6:05 am - 10:44 pmYOW  Ottawa-IAH Houston George Bush Intcntl
17h 39m1 stop Newark
$859United Airlines
Wed, Sep 2 - Sat, Sep 26
United Airlines Logo
10:57 am - 9:11 amIAH  Houston George Bush Intcntl-YOW Ottawa
21h 14m1 stop Newark
United Airlines Logo
6:01 pm - 9:50 amYOW  Ottawa-IAH Houston George Bush Intcntl
16h 49m1 stop Newark
$859United Airlines
Wed, Sep 23 - Sun, Sep 27

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WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Oct 16
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
Oct 30
YOW6:00 amOttawa
12h 35m
1 stop
IAH5:35 pmHouston George Bush Intcntl
$503
WestJet
Sep 18
IAH6:30 amHouston George Bush Intcntl
28h 05m
3 stops
YOW11:35 amOttawa
Sep 23
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$507
WestJet
Sep 10
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Sep 17
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$524

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Aug 26
HOU9:32 amHouston Hobby
10h 28m
2 stops
YOW9:00 pmOttawa
Sep 2
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
$929
American Airlines
Aug 20
IAH6:00 amHouston George Bush Intcntl
14h 20m
3 stops
YOW9:20 pmOttawa
Aug 26
YOW7:00 amOttawa
11h 57m
2 stops
IAH5:57 pmHouston George Bush Intcntl
$994
American Airlines
Aug 12
IAH5:18 amHouston George Bush Intcntl
14h 42m
2 stops
YOW9:00 pmOttawa
Aug 26
YOW7:00 amOttawa
17h 58m
2 stops
IAH11:58 pmHouston George Bush Intcntl
$1,024

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 August 9, 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 Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 9/6

8:35 am-3:07 pm

1 stop29h 32m

Ottawa

Mon 9/21

4:15 pm-3:13 pm

1 stop23h 58m

$382

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 9/6

8:35 am-3:07 pm

1 stop29h 32m

Ottawa

Tue 9/22

7:00 am-9:14 pm

2 stops15h 14m

$391

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 9/6

8:35 am-3:07 pm

1 stop29h 32m

Ottawa

Thu 9/24

7:00 am-9:14 pm

2 stops15h 14m

$393

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 9/6

8:35 am-3:07 pm

1 stop29h 32m

Ottawa

Tue 9/29

7:00 am-9:14 pm

2 stops15h 14m

$393

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 12/14

11:50 am-7:52 pm

1 stop7h 02m

Ottawa

Fri 12/18

9:10 am-5:18 pm

1 stop9h 08m

$812
Quickest round-trip

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 8/23

10:00 am-5:29 pm

1 stop6h 29m

Ottawa

Thu 9/3

5:10 am-10:50 am

1 stop6h 40m

$828

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 8/23

10:00 am-5:29 pm

1 stop6h 29m

Ottawa

Thu 9/3

5:10 am-10:50 am

1 stop6h 40m

$833

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Wed 9/23

6:05 pm-9:11 am

1 stop14h 06m

Ottawa

Sun 9/27

6:01 pm-9:50 am

1 stop16h 49m

$859

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Wed 9/2

8:11 pm-9:11 am

1 stop12h 00m

Ottawa

Sat 9/26

6:05 am-10:44 pm

1 stop17h 39m

$859

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Wed 9/23

10:57 am-9:11 am

1 stop21h 14m

Ottawa

Sun 9/27

6:01 pm-9:50 am

1 stop16h 49m

$859

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 cheapest airline that flies from Houston to Ottawa?

WestJet and American Airlines are the most popular carriers operating from Houston to Ottawa

What airlines fly to Ottawa?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Houston according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 3 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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 56m

Direct flights

None
The fastest flight from Houston to Ottawa takes 8h 56m
There are no direct flights from Houston to Ottawa. There are no popular flight routes from Houston to Ottawa.
Search flight deals

Frequently asked questions about flying from Houston to Ottawa

  • 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 56m, 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 $351Free CancellationRating
7.4
10,090 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,455 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
Brockville
Pembroke
Petawawa
Perth
Calabogie
Smiths Falls
Prescott
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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