What airlines fly to Ottawa?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Houston according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 3 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Ottawa?

American Airlines is the most popular carrier operating from Houston to Ottawa

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?

As of November 2025, there are 2 operators available to choose from 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.

$252 Cheap Flights from Houston to Ottawa in 2025/26

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Find the cheapest flights from Houston to Ottawa

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One-way

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Cheap round-trip flights

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7:35 am - 5:25 pmIAH-YOW

8h 50m1 stop

4:15 pm - 11:58 pmYOW-IAH

8h 43m1 stop

$252Multiple Airlines

Find Deal

Tue, Jan 13 - Wed, Feb 4

6:14 am - 5:25 pmIAH-YOW

10h 11m1 stop

7:00 am - 9:15 amYOW-IAH

27h 15m3 stops

$270Multiple Airlines

Find Deal

Fri, Dec 12 - Sat, Dec 13

6:55 pm - 5:25 pmIAH-YOW

21h 30m1 stop

4:20 pm - 10:01 amYOW-IAH

18h 41m1 stop

$273Multiple Airlines

Find Deal

Wed, Jan 7 - Fri, Jan 9

5:45 am - 5:25 pmIAH-YOW

10h 40m1 stop

7:00 am - 8:01 pmYOW-IAH

14h 01m2 stops

$280Multiple Airlines

Find Deal

Tue, Jan 13 - Wed, Feb 4

6:00 am - 4:53 pmHOU-YOW

9h 53m2 stops

10:00 am - 10:46 pmYOW-HOU

13h 46m2 stops

$923American Airlines

Find Deal

Sun, Jan 25 - Tue, Jan 27

4:17 pm - 4:51 pmHOU-YOW

23h 34m3 stops

9:15 am - 8:32 amYOW-HOU

24h 17m2 stops

$928American Airlines

Find Deal

Thu, Dec 25 - Thu, Jan 1

6:00 am - 12:42 amHOU-YOW

41h 42m2 stops

5:40 am - 10:01 amYOW-HOU

29h 21m2 stops

$931WestJet

Find Deal

Wed, Dec 24 - Tue, Dec 30

5:45 am - 12:42 amHOU-YOW

17h 57m2 stops

5:40 am - 4:10 pmYOW-HOU

35h 30m2 stops

$935WestJet

Find Deal

Fri, Jan 9 - Fri, Jan 16

3:25 pm - 12:42 amHOU-YOW

32h 17m2 stops

5:40 am - 8:24 pmYOW-HOU

15h 44m2 stops

$967WestJet

Find Deal

Tue, Dec 23 - Wed, Dec 31

8:16 pm - 4:53 pmHOU-YOW

19h 37m2 stops

6:45 am - 10:46 pmYOW-HOU

17h 01m3 stops

$1,005American Airlines

Find Deal

Sun, Jan 4 - Sun, Jan 11

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

Jan 25

IAH6:20 pmHouston George Bush Intcntl

29h 20m

1 stop

YOW12:40 amOttawa

Jan 27

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$522

Find similar

WestJet

Feb 2

IAH6:20 pmHouston George Bush Intcntl

21h 33m

1 stop

YOW4:53 pmOttawa

Feb 5

YOW6:00 amOttawa

12h 30m

1 stop

IAH5:30 pmHouston George Bush Intcntl

$696

Find similar

WestJet

Feb 2

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Feb 5

YOW5:45 pmOttawa

20h 00m

1 stop

IAH12:45 pmHouston George Bush Intcntl

$713

Find similar

United Airlines flights from Houston to Ottawa

Our best United Airlines deals on Houston to Ottawa flight tickets

United Airlines

Jan 25

IAH8:10 pmHouston George Bush Intcntl

16h 22m

2 stops

YOW1:32 pmOttawa

Jan 27

YOW9:45 amOttawa

12h 01m

2 stops

IAH8:46 pmHouston George Bush Intcntl

$659

Find similar

United Airlines

Dec 20

IAH7:25 amHouston George Bush Intcntl

15h 29m

1 stop

YOW11:54 pmOttawa

Jan 3

YOW6:15 amOttawa

14h 55m

1 stop

IAH8:10 pmHouston George Bush Intcntl

$825

Find similar

United Airlines

Dec 20

IAH5:05 pmHouston George Bush Intcntl

5h 49m

1 stop

YOW11:54 pmOttawa

Jan 3

YOW7:27 pmOttawa

6h 30m

1 stop

IAH12:57 amHouston George Bush Intcntl

$878

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 1/13

7:35 am-5:25 pm

1 stop8h 50m

Ottawa

Wed 2/4

4:15 pm-11:58 pm

1 stop8h 43m

$252

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/12

6:14 am-5:25 pm

1 stop10h 11m

Ottawa

Sat 12/13

7:00 am-9:15 am

3 stops27h 15m

$270

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 1/7

6:55 pm-5:25 pm

1 stop21h 30m

Ottawa

Fri 1/9

4:20 pm-10:01 am

1 stop18h 41m

$273

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 1/13

5:45 am-5:25 pm

1 stop10h 40m

Ottawa

Wed 2/4

7:00 am-8:01 pm

2 stops14h 01m

$280

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 1/25

6:00 am-4:53 pm

2 stops9h 53m

Ottawa

Tue 1/27

10:00 am-10:46 pm

2 stops13h 46m

$923

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 12/25

4:17 pm-4:51 pm

3 stops23h 34m

Ottawa

Thu 1/1

9:15 am-8:32 am

2 stops24h 17m

$928

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 12/24

6:00 am-12:42 am

2 stops41h 42m

Ottawa

Tue 12/30

5:40 am-10:01 am

2 stops29h 21m

$931

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 1/9

5:45 am-12:42 am

2 stops17h 57m

Ottawa

Fri 1/16

5:40 am-4:10 pm

2 stops35h 30m

$935

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 12/23

3:25 pm-12:42 am

2 stops32h 17m

Ottawa

Wed 12/31

5:40 am-8:24 pm

2 stops15h 44m

$967

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 1/4

8:16 pm-4:53 pm

2 stops19h 37m

Ottawa

Sun 1/11

6:45 am-10:46 pm

3 stops17h 01m

$1,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Houston to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $901. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Tuesday is $1,242.

What is the cheapest time of day to depart on your flight to Ottawa?

In the afternoon is the cheapest time of day to fly from Houston to Ottawa when you can find flight prices for as low as $679. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,079 on average. Flights to Ottawa from Houston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 06m
Direct flights	None

The fastest flight from Houston to Ottawa takes 6h 06m

There are no direct flights from Houston to Ottawa. There are no popular flight routes from Houston to Ottawa.

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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 5h 49m, 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?
As of November 2025, there are 2 operators available to choose from 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
Air Canada	PriceFrom $325	Free Cancellation	Rating 7.1 10,481 reviews		Search Air Canada flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 9,050 reviews		Search United Airlines flights

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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.