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Cheap flights from Houston to Ottawa from $230

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 7/3. 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
8:50 pm - 5:37 pm
IAH
-
YOW
43h 47m
2 stops
Multiple Airlines Logo
4:15 pm - 1:55 pm
YOW
-
IAH
22h 40m
1 stop
$436Multiple Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
8:39 am - 3:00 pm
IAH
-
YOW
29h 21m
1 stop
Multiple Airlines Logo
2:20 pm - 7:23 am
YOW
-
IAH
18h 03m
2 stops
$499Multiple Airlines
Fri, Jun 5 - Mon, Jun 15
Multiple Airlines Logo
8:39 am - 3:00 pm
IAH
-
YOW
29h 21m
1 stop
Multiple Airlines Logo
7:20 am - 10:40 pm
YOW
-
IAH
16h 20m
1 stop
$503Multiple Airlines
Fri, Jun 5 - Thu, Jun 11
Multiple Airlines Logo
8:39 am - 3:00 pm
IAH
-
YOW
29h 21m
1 stop
Multiple Airlines Logo
7:00 am - 10:48 pm
YOW
-
IAH
16h 48m
2 stops
$506Multiple Airlines
Fri, Jun 5 - Fri, Jun 12
Multiple Airlines Logo
11:12 am - 5:37 pm
IAH
-
YOW
29h 25m
2 stops
Multiple Airlines Logo
4:15 pm - 1:55 pm
YOW
-
IAH
22h 40m
1 stop
$510Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
WestJet Logo
6:30 am - 5:35 am
IAH
-
YOW
22h 05m
1 stop
WestJet Logo
7:20 am - 10:40 pm
YOW
-
IAH
16h 20m
1 stop
$530WestJet
Tue, Jun 9 - Thu, Jun 11
WestJet Logo
1:10 pm - 12:20 am
HOU
-
YOW
10h 10m
2 stops
WestJet Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
$877WestJet
Sun, Jun 7 - Sat, Jun 13
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
$892Delta
Mon, Jun 1 - Mon, Jun 8
Delta Logo
10:09 am - 12:20 am
HOU
-
YOW
13h 11m
2 stops
Delta Logo
6:55 am - 9:51 pm
YOW
-
HOU
15h 56m
2 stops
$894Delta
Tue, Jun 23 - Tue, Jul 21
American Airlines Logo
5:41 am - 8:40 pm
HOU
-
YOW
13h 59m
2 stops
American Airlines Logo
7:00 am - 7:51 pm
YOW
-
HOU
13h 51m
3 stops
$983American Airlines
Thu, Aug 20 - Wed, Aug 26

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Jun 9
IAH6:30 amHouston George Bush Intcntl
22h 05m
1 stop
YOW5:35 amOttawa
Jun 11
YOW7:20 amOttawa
16h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$530
WestJet
Aug 27
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Sep 10
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$578
WestJet
Jul 28
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Aug 25
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$580

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Aug 20
HOU5:41 amHouston Hobby
13h 59m
2 stops
YOW8:40 pmOttawa
Aug 26
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
$983
American Airlines
Jul 28
HOU6:03 amHouston Hobby
14h 32m
2 stops
YOW9:35 pmOttawa
Aug 25
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$1,100
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
$1,168

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 7, 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

Mon 6/1

8:50 pm-5:37 pm

2 stops43h 47m

Ottawa

Mon 6/8

4:15 pm-1:55 pm

1 stop22h 40m

$436

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 6/5

8:39 am-3:00 pm

1 stop29h 21m

Ottawa

Mon 6/15

2:20 pm-7:23 am

2 stops18h 03m

$499

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 6/5

8:39 am-3:00 pm

1 stop29h 21m

Ottawa

Thu 6/11

7:20 am-10:40 pm

1 stop16h 20m

$503

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 6/5

8:39 am-3:00 pm

1 stop29h 21m

Ottawa

Fri 6/12

7:00 am-10:48 pm

2 stops16h 48m

$506

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 6/2

11:12 am-5:37 pm

2 stops29h 25m

Ottawa

Tue 6/9

4:15 pm-1:55 pm

1 stop22h 40m

$510

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 6/9

6:30 am-5:35 am

1 stop22h 05m

Ottawa

Thu 6/11

7:20 am-10:40 pm

1 stop16h 20m

$530
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 6/7

1:10 pm-12:20 am

2 stops10h 10m

Ottawa

Sat 6/13

6:55 am-9:43 pm

2 stops15h 48m

$877

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Mon 6/1

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Mon 6/8

6:55 am-9:43 pm

2 stops15h 48m

$892

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 6/23

10:09 am-12:20 am

2 stops13h 11m

Ottawa

Tue 7/21

6:55 am-9:51 pm

2 stops15h 56m

$894

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 8/20

5:41 am-8:40 pm

2 stops13h 59m

Ottawa

Wed 8/26

7:00 am-7:51 pm

3 stops13h 51m

$983

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

13h 45m

Direct flights

None
The fastest flight from Houston to Ottawa takes 13h 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 13h 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
9,690 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
11,004 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
Petawawa
Smiths Falls
Brockville
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.

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