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Cheap flights from Houston to Ottawa from $205

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 10/14. 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
6:00 am - 2:55 pm
IAH
-
YOW
31h 55m
2 stops
Multiple Airlines Logo
4:15 pm - 9:14 pm
YOW
-
IAH
29h 59m
1 stop
$374Multiple Airlines
Sun, Aug 30 - Mon, Sep 14
Multiple Airlines Logo
4:21 pm - 8:00 pm
IAH
-
YOW
26h 39m
2 stops
Multiple Airlines Logo
4:15 pm - 9:04 pm
YOW
-
IAH
29h 49m
1 stop
$383Multiple Airlines
Tue, Oct 6 - Mon, Oct 12
Multiple Airlines Logo
8:25 pm - 8:00 pm
IAH
-
YOW
22h 35m
2 stops
Multiple Airlines Logo
4:15 pm - 9:04 pm
YOW
-
IAH
29h 49m
1 stop
$383Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
8:25 am - 3:15 pm
IAH
-
YOW
29h 50m
1 stop
Multiple Airlines Logo
4:15 pm - 9:04 pm
YOW
-
IAH
29h 49m
1 stop
$385Multiple Airlines
Sun, Oct 4 - Mon, Oct 12
Air Canada Logo
7:20 am - 3:10 pm
IAH
-
YOW
6h 50m
1 stop
Air Canada Logo
2:45 pm - 7:52 pm
YOW
-
IAH
6h 07m
1 stop
$785Air Canada
Fri, Sep 11 - Tue, Sep 15
United Airlines Logo
7:20 am - 11:54 pm
IAH
-
YOW
15h 34m
1 stop
United Airlines Logo
7:34 pm - 8:44 am
YOW
-
IAH
14h 10m
1 stop
$794United Airlines
Wed, Aug 26 - Wed, Sep 16
United Airlines Logo
7:20 am - 11:54 pm
IAH
-
YOW
15h 34m
1 stop
United Airlines Logo
2:52 pm - 12:45 am
YOW
-
IAH
10h 53m
1 stop
$794United Airlines
Wed, Aug 26 - Mon, Sep 14
United Airlines Logo
7:20 am - 6:55 pm
IAH
-
YOW
10h 35m
1 stop
United Airlines Logo
10:00 am - 12:45 am
YOW
-
IAH
15h 45m
1 stop
$794United Airlines
Sat, Aug 29 - Wed, Sep 16
Air Canada Logo
10:00 am - 7:45 pm
IAH
-
YOW
8h 45m
1 stop
Air Canada Logo
2:45 pm - 7:52 pm
YOW
-
IAH
6h 07m
1 stop
$817Air Canada
Sun, Aug 30 - Wed, Sep 16
Air Canada Logo
10:00 am - 7:45 pm
IAH
-
YOW
8h 45m
1 stop
Air Canada Logo
2:45 pm - 7:52 pm
YOW
-
IAH
6h 07m
1 stop
$817Air Canada
Wed, Aug 26 - Sun, Sep 13

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WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Sep 29
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Oct 2
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$439
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
$443
WestJet
Oct 7
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Oct 14
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$448

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Dec 14
HOU8:19 pmHouston Hobby
20h 39m
2 stops
YOW5:58 pmOttawa
Dec 18
YOW1:00 pmOttawa
20h 32m
2 stops
HOU8:32 amHouston Hobby
$852
American Airlines
Aug 26
HOU5:41 amHouston Hobby
14h 19m
2 stops
YOW9:00 pmOttawa
Sep 2
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$872
American Airlines
Aug 20
HOU5:41 amHouston Hobby
14h 39m
2 stops
YOW9:20 pmOttawa
Aug 26
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$917

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 3, 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

Sun 8/30

6:00 am-2:55 pm

2 stops31h 55m

Ottawa

Mon 9/14

4:15 pm-9:14 pm

1 stop29h 59m

$374

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 10/6

4:21 pm-8:00 pm

2 stops26h 39m

Ottawa

Mon 10/12

4:15 pm-9:04 pm

1 stop29h 49m

$383

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 10/5

8:25 pm-8:00 pm

2 stops22h 35m

Ottawa

Mon 10/12

4:15 pm-9:04 pm

1 stop29h 49m

$383

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 10/4

8:25 am-3:15 pm

1 stop29h 50m

Ottawa

Mon 10/12

4:15 pm-9:04 pm

1 stop29h 49m

$385
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 9/11

7:20 am-3:10 pm

1 stop6h 50m

Ottawa

Tue 9/15

2:45 pm-7:52 pm

1 stop6h 07m

$785

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 8/26

7:20 am-11:54 pm

1 stop15h 34m

Ottawa

Wed 9/16

7:34 pm-8:44 am

1 stop14h 10m

$794

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 8/26

7:20 am-11:54 pm

1 stop15h 34m

Ottawa

Mon 9/14

2:52 pm-12:45 am

1 stop10h 53m

$794

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 8/29

7:20 am-6:55 pm

1 stop10h 35m

Ottawa

Wed 9/16

10:00 am-12:45 am

1 stop15h 45m

$794

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/30

10:00 am-7:45 pm

1 stop8h 45m

Ottawa

Wed 9/16

2:45 pm-7:52 pm

1 stop6h 07m

$817

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 8/26

10:00 am-7:45 pm

1 stop8h 45m

Ottawa

Sun 9/13

2:45 pm-7:52 pm

1 stop6h 07m

$817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to Ottawa?

In general, September 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 $387. The month of November is another great option to travel to Ottawa, with average flight prices from Houston averaging around $412.

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 42m

Direct flights

None
The fastest flight from Houston to Ottawa takes 6h 42m
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 6h 42m, 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
10,058 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,423 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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