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Cheap flights from Houston to Ottawa from $237

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 6/11. 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
7:04 pm - 2:33 pm
IAH
-
YOW
18h 29m
1 stop
Multiple Airlines Logo
7:00 am - 2:51 pm
YOW
-
IAH
8h 51m
1 stop
$447Multiple Airlines
Thu, Aug 20 - Sat, Aug 22
Multiple Airlines Logo
8:42 pm - 2:33 pm
IAH
-
YOW
40h 51m
2 stops
Multiple Airlines Logo
4:15 pm - 8:47 am
YOW
-
IAH
17h 32m
1 stop
$448Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
7:04 pm - 2:33 pm
IAH
-
YOW
18h 29m
1 stop
Multiple Airlines Logo
4:15 pm - 8:47 am
YOW
-
IAH
17h 32m
1 stop
$459Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
8:02 pm - 4:53 pm
IAH
-
YOW
19h 51m
2 stops
Multiple Airlines Logo
7:00 am - 2:51 pm
YOW
-
IAH
8h 51m
1 stop
$470Multiple Airlines
Tue, Aug 18 - Sat, Aug 22
Multiple Airlines Logo
8:20 am - 3:15 pm
IAH
-
YOW
29h 55m
1 stop
Multiple Airlines Logo
7:00 am - 7:20 am
YOW
-
IAH
25h 20m
2 stops
$472Multiple Airlines
Sun, Aug 2 - Mon, Aug 10
WestJet Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
$481WestJet
Thu, Aug 27 - Thu, Sep 10
WestJet Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
WestJet Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
$500WestJet
Sun, Aug 2 - Sun, Aug 9
WestJet Logo
1:10 pm - 12:20 am
HOU
-
YOW
10h 10m
2 stops
WestJet Logo
6:25 pm - 4:23 pm
YOW
-
HOU
22h 58m
2 stops
$878WestJet
Wed, Jun 10 - Tue, Jun 16
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 9:51 pm
YOW
-
HOU
15h 56m
2 stops
$897Delta
Tue, Jul 14 - Thu, Jul 16
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 9:23 pm
YOW
-
HOU
15h 28m
2 stops
$968Delta
Tue, Aug 18 - Sat, Aug 22

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Aug 27
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Sep 10
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$481
WestJet
Aug 2
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Aug 9
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$500
WestJet
Jul 14
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
Jul 16
YOW7:20 amOttawa
16h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$514

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
May 28
HOU8:23 pmHouston Hobby
17h 32m
3 stops
YOW2:55 pmOttawa
Jun 2
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$1,102
American Airlines
May 28
HOU8:23 pmHouston Hobby
17h 32m
3 stops
YOW2:55 pmOttawa
Jun 2
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$1,111
American Airlines
Jul 17
HOU6:03 amHouston Hobby
13h 37m
2 stops
YOW8:40 pmOttawa
Jul 20
YOW7:00 amOttawa
13h 53m
3 stops
HOU7:53 pmHouston Hobby
$1,257

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 May 13, 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

Thu 8/20

7:04 pm-2:33 pm

1 stop18h 29m

Ottawa

Sat 8/22

7:00 am-2:51 pm

1 stop8h 51m

$447

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 8/19

8:42 pm-2:33 pm

2 stops40h 51m

Ottawa

Mon 8/24

4:15 pm-8:47 am

1 stop17h 32m

$448

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 8/20

7:04 pm-2:33 pm

1 stop18h 29m

Ottawa

Mon 8/24

4:15 pm-8:47 am

1 stop17h 32m

$459

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 8/18

8:02 pm-4:53 pm

2 stops19h 51m

Ottawa

Sat 8/22

7:00 am-2:51 pm

1 stop8h 51m

$470

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/2

8:20 am-3:15 pm

1 stop29h 55m

Ottawa

Mon 8/10

7:00 am-7:20 am

2 stops25h 20m

$472
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 8/27

2:50 pm-5:35 am

1 stop13h 45m

Ottawa

Thu 9/10

12:25 pm-10:40 pm

2 stops11h 15m

$481

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/2

2:50 pm-5:35 am

1 stop13h 45m

Ottawa

Sun 8/9

12:25 pm-10:40 pm

2 stops11h 15m

$500

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 6/10

1:10 pm-12:20 am

2 stops10h 10m

Ottawa

Tue 6/16

6:25 pm-4:23 pm

2 stops22h 58m

$878

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 7/14

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Thu 7/16

6:55 am-9:51 pm

2 stops15h 56m

$897

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 8/18

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Sat 8/22

6:55 am-9:23 pm

2 stops15h 28m

$968

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?

What is the cheapest month to fly to Ottawa?

In general, November is the cheapest month to fly from Houston to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $156. The month of June is another great option to travel to Ottawa, with average flight prices from Houston averaging around $274.

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

9h 45m

Direct flights

None
The fastest flight from Houston to Ottawa takes 9h 45m
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 9h 45m, 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
9,706 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
11,026 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
Brockville
Petawawa
Smiths Falls
Calabogie
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.

An easier way to manage your Ottawa trip

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