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Cheap flights from Houston to Ottawa from $217

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 8/16. 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
8:55 am - 3:00 pm
IAH
-
YOW
29h 05m
1 stop
Multiple Airlines Logo
6:55 am - 3:27 pm
YOW
-
IAH
33h 32m
2 stops
$537Multiple Airlines
Sun, Jun 21 - Wed, Jun 24
Multiple Airlines Logo
6:30 am - 12:25 pm
IAH
-
YOW
28h 55m
2 stops
Multiple Airlines Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
$558Multiple Airlines
Tue, Jun 30 - Tue, Jul 7
Multiple Airlines Logo
8:55 am - 3:00 pm
IAH
-
YOW
29h 05m
1 stop
Multiple Airlines Logo
6:15 pm - 12:46 pm
YOW
-
IAH
43h 31m
2 stops
$559Multiple Airlines
Sun, Jun 21 - Sun, Jun 28
Multiple Airlines Logo
9:58 pm - 3:00 pm
IAH
-
YOW
40h 02m
2 stops
Multiple Airlines Logo
7:00 am - 6:29 pm
YOW
-
IAH
12h 29m
1 stop
$567Multiple Airlines
Sat, Jun 27 - Sat, Jul 4
Multiple Airlines Logo
8:55 am - 3:00 pm
IAH
-
YOW
29h 05m
1 stop
Multiple Airlines Logo
4:00 pm - 7:58 pm
YOW
-
IAH
28h 58m
2 stops
$569Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
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
$823Delta
Wed, Jul 8 - Tue, Jul 14
Delta Logo
6:03 am - 12:20 am
HOU
-
YOW
17h 17m
2 stops
Delta Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
$876Delta
Tue, Jun 23 - Thu, Jun 25
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
34h 35m
2 stops
WestJet Logo
6:25 pm - 4:22 pm
YOW
-
HOU
22h 57m
2 stops
$921WestJet
Sat, Jul 11 - Mon, Jul 13
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
34h 35m
2 stops
WestJet Logo
6:55 am - 4:22 pm
YOW
-
HOU
10h 27m
2 stops
$929WestJet
Sat, Jul 4 - Sat, Jul 11
American Airlines Logo
6:49 pm - 9:35 pm
HOU
-
YOW
25h 46m
2 stops
American Airlines Logo
8:40 am - 7:53 pm
YOW
-
HOU
12h 13m
3 stops
$1,016American Airlines
Mon, Jul 27 - Fri, Jul 31

Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
Jul 8
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Jul 14
YOW6:55 amOttawa
15h 56m
2 stops
HOU9:51 pmHouston Hobby
$823
Delta
Jun 23
HOU6:03 amHouston Hobby
17h 17m
2 stops
YOW12:20 amOttawa
Jun 25
YOW6:55 amOttawa
15h 48m
2 stops
HOU9:43 pmHouston Hobby
$876
Delta
Jun 23
HOU6:03 amHouston Hobby
17h 17m
2 stops
YOW12:20 amOttawa
Jun 30
YOW6:55 amOttawa
15h 48m
2 stops
HOU9:43 pmHouston Hobby
$961

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Jul 13
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
Jul 16
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$620
WestJet
Jun 29
IAH6:30 amHouston George Bush Intcntl
17h 10m
1 stop
YOW12:40 amOttawa
Jul 7
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$663
WestJet
Jun 30
IAH6:30 amHouston George Bush Intcntl
17h 10m
1 stop
YOW12:40 amOttawa
Jul 7
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$703

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 June 2, 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 6/21

8:55 am-3:00 pm

1 stop29h 05m

Ottawa

Wed 6/24

6:55 am-3:27 pm

2 stops33h 32m

$537

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 6/30

6:30 am-12:25 pm

2 stops28h 55m

Ottawa

Tue 7/7

8:15 pm-1:55 pm

1 stop18h 40m

$558

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 6/21

8:55 am-3:00 pm

1 stop29h 05m

Ottawa

Sun 6/28

6:15 pm-12:46 pm

2 stops43h 31m

$559

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 6/27

9:58 pm-3:00 pm

2 stops40h 02m

Ottawa

Sat 7/4

7:00 am-6:29 pm

1 stop12h 29m

$567

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 6/21

8:55 am-3:00 pm

1 stop29h 05m

Ottawa

Tue 6/30

4:00 pm-7:58 pm

2 stops28h 58m

$569

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 7/8

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 7/14

6:55 am-9:51 pm

2 stops15h 56m

$823
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 6/23

6:03 am-12:20 am

2 stops17h 17m

Ottawa

Thu 6/25

6:55 am-9:43 pm

2 stops15h 48m

$876

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 7/11

6:00 am-5:35 pm

2 stops34h 35m

Ottawa

Mon 7/13

6:25 pm-4:22 pm

2 stops22h 57m

$921

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 7/4

6:00 am-5:35 pm

2 stops34h 35m

Ottawa

Sat 7/11

6:55 am-4:22 pm

2 stops10h 27m

$929

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Mon 7/27

6:49 pm-9:35 pm

2 stops25h 46m

Ottawa

Fri 7/31

8:40 am-7:53 pm

3 stops12h 13m

$1,016

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 38m

Direct flights

None
The fastest flight from Houston to Ottawa takes 9h 38m
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 38m, 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
9,778 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
11,116 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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