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Cheap flights from Houston to Ottawa from $227

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 7/27. 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
4:39 pm - 2:33 pm
IAH
-
YOW
20h 54m
1 stop
Multiple Airlines Logo
7:00 am - 3:06 pm
YOW
-
IAH
33h 06m
2 stops
$479Multiple Airlines
Thu, Oct 1 - Wed, Oct 14
Multiple Airlines Logo
8:16 am - 2:55 pm
IAH
-
YOW
29h 39m
1 stop
Multiple Airlines Logo
9:05 am - 7:20 am
YOW
-
IAH
47h 15m
2 stops
$485Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
5:09 pm - 2:33 pm
IAH
-
YOW
20h 24m
1 stop
Multiple Airlines Logo
2:10 pm - 9:04 pm
YOW
-
IAH
31h 54m
2 stops
$509Multiple Airlines
Thu, Oct 15 - Tue, Oct 20
Multiple Airlines Logo
7:23 pm - 2:33 pm
IAH
-
YOW
18h 10m
1 stop
Multiple Airlines Logo
2:10 pm - 7:20 am
YOW
-
IAH
18h 10m
2 stops
$527Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
8:36 am - 3:15 pm
IAH
-
YOW
29h 39m
1 stop
Multiple Airlines Logo
1:20 pm - 9:04 pm
YOW
-
IAH
32h 44m
2 stops
$529Multiple Airlines
Sun, Sep 20 - Fri, Sep 25
WestJet Logo
6:30 am - 12:40 am
IAH
-
YOW
17h 10m
1 stop
WestJet Logo
1:20 pm - 10:40 pm
YOW
-
IAH
10h 20m
1 stop
$534WestJet
Sun, Aug 23 - Thu, Sep 3
American Airlines Logo
4:18 pm - 2:55 pm
HOU
-
YOW
21h 37m
3 stops
American Airlines Logo
8:40 am - 7:48 pm
YOW
-
HOU
12h 08m
3 stops
$897American Airlines
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
WestJet Logo
6:55 am - 11:09 pm
YOW
-
HOU
17h 14m
2 stops
$941WestJet
Thu, Oct 15 - Tue, Oct 20
WestJet Logo
11:00 am - 12:20 am
HOU
-
YOW
12h 20m
2 stops
WestJet Logo
6:55 am - 4:33 pm
YOW
-
HOU
10h 38m
2 stops
$942WestJet
Thu, Oct 1 - Wed, Oct 14
American Airlines Logo
6:14 pm - 2:55 pm
HOU
-
YOW
19h 41m
3 stops
American Airlines Logo
7:00 am - 7:51 pm
YOW
-
HOU
13h 51m
3 stops
$958American Airlines
Sat, Aug 8 - Fri, Aug 14

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WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Aug 8
IAH2:50 pmHouston George Bush Intcntl
19h 45m
2 stops
YOW11:35 amOttawa
Aug 14
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$581
WestJet
Aug 23
IAH6:30 amHouston George Bush Intcntl
22h 05m
1 stop
YOW5:35 amOttawa
Sep 3
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$583
WestJet
Aug 23
IAH6:30 amHouston George Bush Intcntl
22h 05m
1 stop
YOW5:35 amOttawa
Sep 3
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$584

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Sep 12
HOU4:18 pmHouston Hobby
21h 37m
3 stops
YOW2:55 pmOttawa
Sep 19
YOW8:40 amOttawa
12h 08m
3 stops
HOU7:48 pmHouston Hobby
$897
American Airlines
Aug 8
HOU6:14 pmHouston Hobby
19h 41m
3 stops
YOW2:55 pmOttawa
Aug 14
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
$958
American Airlines
Aug 1
HOU6:49 pmHouston Hobby
25h 31m
2 stops
YOW9:20 pmOttawa
Aug 8
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
$1,021

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 July 8, 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 10/1

4:39 pm-2:33 pm

1 stop20h 54m

Ottawa

Wed 10/14

7:00 am-3:06 pm

2 stops33h 06m

$479

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/16

8:16 am-2:55 pm

1 stop29h 39m

Ottawa

Sun 8/23

9:05 am-7:20 am

2 stops47h 15m

$485

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 10/15

5:09 pm-2:33 pm

1 stop20h 24m

Ottawa

Tue 10/20

2:10 pm-9:04 pm

2 stops31h 54m

$509

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 8/6

7:23 pm-2:33 pm

1 stop18h 10m

Ottawa

Thu 8/13

2:10 pm-7:20 am

2 stops18h 10m

$527

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 9/20

8:36 am-3:15 pm

1 stop29h 39m

Ottawa

Fri 9/25

1:20 pm-9:04 pm

2 stops32h 44m

$529

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/23

6:30 am-12:40 am

1 stop17h 10m

Ottawa

Thu 9/3

1:20 pm-10:40 pm

1 stop10h 20m

$534

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 9/12

4:18 pm-2:55 pm

3 stops21h 37m

Ottawa

Sat 9/19

8:40 am-7:48 pm

3 stops12h 08m

$897

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 10/15

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 10/20

6:55 am-11:09 pm

2 stops17h 14m

$941
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 10/1

11:00 am-12:20 am

2 stops12h 20m

Ottawa

Wed 10/14

6:55 am-4:33 pm

2 stops10h 38m

$942

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 8/8

6:14 pm-2:55 pm

3 stops19h 41m

Ottawa

Fri 8/14

7:00 am-7:51 pm

3 stops13h 51m

$958

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 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

7h 21m

Direct flights

None
The fastest flight from Houston to Ottawa takes 7h 21m
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 7h 21m, 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
9,949 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,321 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
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.

An easier way to manage your Ottawa trip

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