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Cheap flights from Houston to Ottawa from $169

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 5/28. 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
8:29 am - 3:00 pm
IAH
-
YOW
29h 31m
1 stop
Multiple Airlines Logo
9:05 am - 3:14 pm
YOW
-
IAH
7h 09m
1 stop
$372Multiple Airlines
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
8:02 pm - 2:33 pm
IAH
-
YOW
17h 31m
2 stops
Multiple Airlines Logo
2:20 pm - 3:14 pm
YOW
-
IAH
25h 54m
1 stop
$374Multiple Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
7:28 pm - 2:33 pm
IAH
-
YOW
18h 05m
1 stop
Multiple Airlines Logo
2:20 pm - 3:14 pm
YOW
-
IAH
25h 54m
1 stop
$377Multiple Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
8:29 am - 3:00 pm
IAH
-
YOW
29h 31m
1 stop
Multiple Airlines Logo
6:25 pm - 8:50 am
YOW
-
IAH
39h 25m
2 stops
$384Multiple Airlines
Thu, May 14 - Thu, May 21
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 9:53 pm
YOW
-
HOU
15h 58m
2 stops
$825Delta
Tue, Jun 2 - Tue, Jun 9
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
$908Delta
Thu, May 7 - Tue, May 12
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
$926WestJet
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 - 9:51 pm
YOW
-
HOU
15h 56m
2 stops
$931Delta
Tue, Aug 4 - Sun, Aug 9
WestJet Logo
10:09 am - 12:20 am
HOU
-
YOW
13h 11m
2 stops
WestJet Logo
6:55 am - 9:53 pm
YOW
-
HOU
15h 58m
2 stops
$941WestJet
Wed, Jun 10 - Thu, Jun 11
WestJet Logo
10:27 am - 5:35 pm
HOU
-
YOW
30h 08m
2 stops
WestJet Logo
6:55 am - 9:32 am
YOW
-
HOU
27h 37m
2 stops
$944WestJet
Thu, May 28 - Mon, Jun 1

Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
Jun 2
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Jun 9
YOW6:55 amOttawa
15h 58m
2 stops
HOU9:53 pmHouston Hobby
$825
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
$908
Delta
Aug 4
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Aug 9
YOW6:55 amOttawa
15h 56m
2 stops
HOU9:51 pmHouston Hobby
$931

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
May 1
IAH6:30 amHouston George Bush Intcntl
29h 00m
2 stops
YOW12:30 pmOttawa
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
$779
WestJet
May 1
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
May 5
YOW6:15 pmOttawa
20h 40m
2 stops
IAH1:55 pmHouston George Bush Intcntl
$806
WestJet
Apr 29
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
May 2
YOW4:15 pmOttawa
22h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$836

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 20, 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 5/14

8:29 am-3:00 pm

1 stop29h 31m

Ottawa

Thu 5/21

9:05 am-3:14 pm

1 stop7h 09m

$372

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 5/28

8:02 pm-2:33 pm

2 stops17h 31m

Ottawa

Mon 6/1

2:20 pm-3:14 pm

1 stop25h 54m

$374

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 5/28

7:28 pm-2:33 pm

1 stop18h 05m

Ottawa

Mon 6/1

2:20 pm-3:14 pm

1 stop25h 54m

$377

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 5/14

8:29 am-3:00 pm

1 stop29h 31m

Ottawa

Thu 5/21

6:25 pm-8:50 am

2 stops39h 25m

$384

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 6/2

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 6/9

6:55 am-9:53 pm

2 stops15h 58m

$825

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

$908
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

$926

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 8/4

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Sun 8/9

6:55 am-9:51 pm

2 stops15h 56m

$931

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 6/10

10:09 am-12:20 am

2 stops13h 11m

Ottawa

Thu 6/11

6:55 am-9:53 pm

2 stops15h 58m

$941

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 5/28

10:27 am-5:35 pm

2 stops30h 08m

Ottawa

Mon 6/1

6:55 am-9:32 am

2 stops27h 37m

$944

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.
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 $274Free CancellationRating
7.4
9,607 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
10,943 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.

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