Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Ottawa from $143

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
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
1:16 pm - 11:48 pm
IAH
-
YOW
9h 32m
1 stop
Multiple Airlines Logo
9:05 am - 10:14 pm
YOW
-
IAH
38h 09m
2 stops
$406Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
5:09 pm - 2:33 pm
IAH
-
YOW
20h 24m
1 stop
Multiple Airlines Logo
4:15 pm - 12:40 pm
YOW
-
IAH
21h 25m
2 stops
$409Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
Multiple Airlines Logo
1:16 pm - 11:48 pm
IAH
-
YOW
9h 32m
1 stop
Multiple Airlines Logo
7:00 am - 3:05 pm
YOW
-
IAH
9h 05m
1 stop
$452Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
5:09 pm - 2:33 pm
IAH
-
YOW
20h 24m
1 stop
Multiple Airlines Logo
4:15 pm - 9:04 pm
YOW
-
IAH
29h 49m
1 stop
$456Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
WestJet Logo
5:35 pm - 12:42 am
HOU
-
YOW
30h 07m
2 stops
WestJet Logo
5:40 am - 4:30 pm
YOW
-
HOU
35h 50m
2 stops
$860WestJet
Wed, Nov 18 - Wed, Dec 2
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
WestJet Logo
6:25 pm - 4:31 pm
YOW
-
HOU
23h 06m
2 stops
$872WestJet
Thu, Oct 1 - Sun, Oct 4
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
$911WestJet
Sun, Oct 18 - Sat, Oct 24
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
$920American Airlines
Sat, Aug 8 - Wed, Aug 12
American Airlines Logo
10:11 am - 12:43 am
HOU
-
YOW
13h 32m
3 stops
American Airlines Logo
7:00 am - 7:47 pm
YOW
-
HOU
13h 47m
3 stops
$953American Airlines
Wed, Nov 18 - Wed, Dec 2
American Airlines Logo
12:15 pm - 12:43 am
HOU
-
YOW
11h 28m
3 stops
American Airlines Logo
7:00 am - 7:47 pm
YOW
-
HOU
13h 47m
3 stops
$989American Airlines
Mon, Nov 23 - Tue, Dec 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
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
$532
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
$534
WestJet
Aug 23
IAH6:30 amHouston George Bush Intcntl
17h 10m
1 stop
YOW12:40 amOttawa
Sep 3
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$551

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Aug 8
HOU6:14 pmHouston Hobby
19h 41m
3 stops
YOW2:55 pmOttawa
Aug 12
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
$920
American Airlines
Nov 18
HOU10:11 amHouston Hobby
13h 32m
3 stops
YOW12:43 amOttawa
Dec 2
YOW7:00 amOttawa
13h 47m
3 stops
HOU7:47 pmHouston Hobby
$953
American Airlines
Nov 23
HOU12:15 pmHouston Hobby
11h 28m
3 stops
YOW12:43 amOttawa
Dec 8
YOW7:00 amOttawa
13h 47m
3 stops
HOU7:47 pmHouston Hobby
$989

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 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

Mon 8/10

1:16 pm-11:48 pm

1 stop9h 32m

Ottawa

Mon 8/17

9:05 am-10:14 pm

2 stops38h 09m

$406

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 10/15

5:09 pm-2:33 pm

1 stop20h 24m

Ottawa

Mon 10/19

4:15 pm-12:40 pm

2 stops21h 25m

$409
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 8/10

1:16 pm-11:48 pm

1 stop9h 32m

Ottawa

Mon 8/17

7:00 am-3:05 pm

1 stop9h 05m

$452

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 10/15

5:09 pm-2:33 pm

1 stop20h 24m

Ottawa

Mon 10/19

4:15 pm-9:04 pm

1 stop29h 49m

$456

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 11/18

5:35 pm-12:42 am

2 stops30h 07m

Ottawa

Wed 12/2

5:40 am-4:30 pm

2 stops35h 50m

$860

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 10/1

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Sun 10/4

6:25 pm-4:31 pm

2 stops23h 06m

$872

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 10/18

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Sat 10/24

6:55 am-11:09 pm

2 stops17h 14m

$911

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 8/8

6:14 pm-2:55 pm

3 stops19h 41m

Ottawa

Wed 8/12

7:00 am-7:51 pm

3 stops13h 51m

$920

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 11/18

10:11 am-12:43 am

3 stops13h 32m

Ottawa

Wed 12/2

7:00 am-7:47 pm

3 stops13h 47m

$953

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Mon 11/23

12:15 pm-12:43 am

3 stops11h 28m

Ottawa

Tue 12/8

7:00 am-7:47 pm

3 stops13h 47m

$989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

6h 20m

Direct flights

None
The fastest flight from Houston to Ottawa takes 6h 20m
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 6h 20m, 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
9,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,287 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
Smiths Falls
Calabogie
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/1
Sat 8/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada