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Cheap flights from Houston to Ottawa from $167

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 5/16. 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
7:05 am - 12:35 pm
IAH
-
YOW
28h 30m
1 stop
Multiple Airlines Logo
5:40 am - 8:08 pm
YOW
-
IAH
15h 28m
2 stops
$327Multiple Airlines
Thu, Mar 19 - Mon, Mar 23
Multiple Airlines Logo
9:41 am - 12:25 am
IAH
-
YOW
13h 44m
1 stop
Multiple Airlines Logo
4:15 pm - 8:38 am
YOW
-
IAH
17h 23m
1 stop
$342Multiple Airlines
Thu, Apr 30 - Mon, May 4
Multiple Airlines Logo
7:19 pm - 5:25 pm
IAH
-
YOW
21h 06m
1 stop
Multiple Airlines Logo
7:00 am - 5:32 pm
YOW
-
IAH
11h 32m
1 stop
$343Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
9:41 am - 12:20 am
IAH
-
YOW
13h 39m
2 stops
Multiple Airlines Logo
4:15 pm - 8:38 am
YOW
-
IAH
17h 23m
1 stop
$344Multiple Airlines
Thu, Apr 30 - Mon, May 4
Multiple Airlines Logo
7:05 am - 12:35 pm
IAH
-
YOW
28h 30m
1 stop
Multiple Airlines Logo
4:15 pm - 8:40 am
YOW
-
IAH
17h 25m
1 stop
$348Multiple Airlines
Thu, Mar 19 - Mon, Mar 23
WestJet Logo
10:46 am - 12:20 am
HOU
-
YOW
12h 34m
2 stops
WestJet Logo
5:55 am - 4:28 pm
YOW
-
HOU
11h 33m
2 stops
$743WestJet
Wed, Apr 29 - Mon, May 4
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
10h 35m
2 stops
WestJet Logo
5:55 am - 4:28 pm
YOW
-
HOU
11h 33m
2 stops
$768WestJet
Fri, May 1 - Tue, May 5
American Airlines Logo
6:00 am - 4:48 pm
HOU
-
YOW
9h 48m
2 stops
American Airlines Logo
10:00 am - 7:50 pm
YOW
-
HOU
10h 50m
2 stops
$770American Airlines
Wed, Mar 25 - Wed, Apr 1
American Airlines Logo
6:00 am - 4:48 pm
HOU
-
YOW
9h 48m
2 stops
American Airlines Logo
10:00 am - 11:58 pm
YOW
-
HOU
14h 58m
2 stops
$832American Airlines
Fri, Mar 27 - Fri, Apr 3
Delta Logo
10:46 am - 12:20 am
HOU
-
YOW
12h 34m
2 stops
Delta Logo
5:55 am - 4:28 pm
YOW
-
HOU
11h 33m
2 stops
$1,009Delta
Wed, Apr 29 - Sun, May 3

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Mar 25
HOU6:00 amHouston Hobby
9h 48m
2 stops
YOW4:48 pmOttawa
Apr 1
YOW10:00 amOttawa
10h 50m
2 stops
HOU7:50 pmHouston Hobby
$770
American Airlines
Mar 27
HOU6:00 amHouston Hobby
9h 48m
2 stops
YOW4:48 pmOttawa
Apr 3
YOW10:00 amOttawa
14h 58m
2 stops
HOU11:58 pmHouston Hobby
$832
American Airlines
Mar 29
HOU6:00 amHouston Hobby
9h 48m
2 stops
YOW4:48 pmOttawa
Apr 5
YOW10:00 amOttawa
10h 50m
2 stops
HOU7:50 pmHouston Hobby
$875

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Apr 29
IAH2:50 pmHouston George Bush Intcntl
20h 40m
2 stops
YOW12:30 pmOttawa
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
$408
WestJet
May 1
IAH6:30 amHouston George Bush Intcntl
9h 50m
1 stop
YOW5:20 pmOttawa
May 3
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$412
WestJet
Apr 29
IAH2:50 pmHouston George Bush Intcntl
20h 40m
2 stops
YOW12:30 pmOttawa
May 4
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
$413

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 14, 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 3/19

7:05 am-12:35 pm

1 stop28h 30m

Ottawa

Mon 3/23

5:40 am-8:08 pm

2 stops15h 28m

$327

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/30

9:41 am-12:25 am

1 stop13h 44m

Ottawa

Mon 5/4

4:15 pm-8:38 am

1 stop17h 23m

$342

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 3/25

7:19 pm-5:25 pm

1 stop21h 06m

Ottawa

Wed 4/1

7:00 am-5:32 pm

1 stop11h 32m

$343

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/30

9:41 am-12:20 am

2 stops13h 39m

Ottawa

Mon 5/4

4:15 pm-8:38 am

1 stop17h 23m

$344

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 3/19

7:05 am-12:35 pm

1 stop28h 30m

Ottawa

Mon 3/23

4:15 pm-8:40 am

1 stop17h 25m

$348

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 4/29

10:46 am-12:20 am

2 stops12h 34m

Ottawa

Mon 5/4

5:55 am-4:28 pm

2 stops11h 33m

$743

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 5/1

6:00 am-5:35 pm

2 stops10h 35m

Ottawa

Tue 5/5

5:55 am-4:28 pm

2 stops11h 33m

$768

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 3/25

6:00 am-4:48 pm

2 stops9h 48m

Ottawa

Wed 4/1

10:00 am-7:50 pm

2 stops10h 50m

$770

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 3/27

6:00 am-4:48 pm

2 stops9h 48m

Ottawa

Fri 4/3

10:00 am-11:58 pm

2 stops14h 58m

$832

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 4/29

10:46 am-12:20 am

2 stops12h 34m

Ottawa

Sun 5/3

5:55 am-4:28 pm

2 stops11h 33m

$1,009

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

6h 02m

Direct flights

None
The fastest flight from Houston to Ottawa takes 6h 02m
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 6h 02m, 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
10,717 reviews
Search Air Canada flights
United AirlinesPriceFrom $380Free CancellationRating
7.4
9,289 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
Brockville
Petawawa
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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