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Cheap flights from Houston to Ottawa from $197

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 4/16. 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
3:31 pm - 5:25 pm
IAH
-
YOW
24h 54m
1 stop
Multiple Airlines Logo
4:15 pm - 2:46 pm
YOW
-
IAH
23h 31m
1 stop
$311Multiple Airlines
Tue, Apr 21 - Thu, Apr 23
Multiple Airlines Logo
2:01 pm - 11:58 pm
IAH
-
YOW
8h 57m
1 stop
Multiple Airlines Logo
4:15 pm - 2:46 pm
YOW
-
IAH
23h 31m
1 stop
$314Multiple Airlines
Sat, Apr 18 - Thu, Apr 23
Multiple Airlines Logo
3:31 pm - 5:25 pm
IAH
-
YOW
24h 54m
1 stop
Multiple Airlines Logo
4:15 pm - 5:41 pm
YOW
-
IAH
26h 26m
1 stop
$315Multiple Airlines
Wed, Apr 22 - Fri, Apr 24
Multiple Airlines Logo
3:31 pm - 5:25 pm
IAH
-
YOW
24h 54m
1 stop
Multiple Airlines Logo
4:15 pm - 5:41 pm
YOW
-
IAH
26h 26m
1 stop
$317Multiple Airlines
Tue, Apr 21 - Fri, Apr 24
Multiple Airlines Logo
2:01 pm - 11:58 pm
IAH
-
YOW
8h 57m
1 stop
Multiple Airlines Logo
4:15 pm - 5:41 pm
YOW
-
IAH
26h 26m
1 stop
$320Multiple Airlines
Sat, Apr 18 - Fri, Apr 24
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 10:26 pm
YOW
-
HOU
16h 31m
2 stops
$775Delta
Thu, May 7 - Tue, May 12
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 10:26 pm
YOW
-
HOU
16h 31m
2 stops
$795Delta
Wed, May 13 - Sun, May 17
WestJet Logo
10:53 am - 12:20 am
HOU
-
YOW
12h 27m
2 stops
WestJet Logo
6:55 am - 4:09 pm
YOW
-
HOU
10h 14m
2 stops
$805WestJet
Wed, May 6 - Wed, May 13
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
10h 35m
2 stops
WestJet Logo
6:55 am - 11:07 pm
YOW
-
HOU
17h 12m
2 stops
$811WestJet
Sat, May 2 - Mon, May 4
WestJet Logo
1:06 pm - 12:20 am
HOU
-
YOW
10h 14m
2 stops
WestJet Logo
6:55 am - 4:09 pm
YOW
-
HOU
10h 14m
2 stops
$824WestJet
Thu, May 7 - Tue, May 12

Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
May 7
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
May 12
YOW6:55 amOttawa
16h 31m
2 stops
HOU10:26 pmHouston Hobby
$775
Delta
May 13
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
May 17
YOW6:55 amOttawa
16h 31m
2 stops
HOU10:26 pmHouston Hobby
$795
Delta
May 8
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
May 15
YOW6:55 amOttawa
16h 31m
2 stops
HOU10:26 pmHouston Hobby
$992

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Jul 1
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
Jul 10
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$443
WestJet
Apr 23
IAH1:35 pmHouston George Bush Intcntl
10h 05m
1 stop
YOW12:40 amOttawa
Apr 24
YOW6:00 amOttawa
12h 30m
1 stop
IAH5:30 pmHouston George Bush Intcntl
$730
WestJet
Apr 23
IAH1:35 pmHouston George Bush Intcntl
10h 05m
1 stop
YOW12:40 amOttawa
Apr 24
YOW6:00 amOttawa
12h 30m
1 stop
IAH5:30 pmHouston George Bush Intcntl
$752

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 April 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 - YOW

IAHYOW

Houston George Bush Intcntl

Tue 4/21

3:31 pm-5:25 pm

1 stop24h 54m

Ottawa

Thu 4/23

4:15 pm-2:46 pm

1 stop23h 31m

$311

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 4/18

2:01 pm-11:58 pm

1 stop8h 57m

Ottawa

Thu 4/23

4:15 pm-2:46 pm

1 stop23h 31m

$314

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 4/22

3:31 pm-5:25 pm

1 stop24h 54m

Ottawa

Fri 4/24

4:15 pm-5:41 pm

1 stop26h 26m

$315

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 4/21

3:31 pm-5:25 pm

1 stop24h 54m

Ottawa

Fri 4/24

4:15 pm-5:41 pm

1 stop26h 26m

$317

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 4/18

2:01 pm-11:58 pm

1 stop8h 57m

Ottawa

Fri 4/24

4:15 pm-5:41 pm

1 stop26h 26m

$320

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 5/7

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 5/12

6:55 am-10:26 pm

2 stops16h 31m

$775

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 5/13

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Sun 5/17

6:55 am-10:26 pm

2 stops16h 31m

$795

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 5/6

10:53 am-12:20 am

2 stops12h 27m

Ottawa

Wed 5/13

6:55 am-4:09 pm

2 stops10h 14m

$805

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 5/2

6:00 am-5:35 pm

2 stops10h 35m

Ottawa

Mon 5/4

6:55 am-11:07 pm

2 stops17h 12m

$811
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 5/7

1:06 pm-12:20 am

2 stops10h 14m

Ottawa

Tue 5/12

6:55 am-4:09 pm

2 stops10h 14m

$824

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

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.
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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 $274Free CancellationRating
7.4
9,551 reviews
Search United Airlines flights
Air CanadaPriceFrom $331Free CancellationRating
7.1
10,903 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
Calabogie
Petawawa
Smiths Falls
Brockville
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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