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

American Airlines, Delta, and WestJet are the most popular carriers operating from Houston to Ottawa

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 55% 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.

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.

$135 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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Cheap round-trip flights

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5:34 am - 5:25 pmIAH-YOW

10h 51m1 stop

7:00 am - 9:15 amYOW-IAH

27h 15m3 stops

$266Multiple Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 13

7:25 pm - 5:25 pmIAH-YOW

21h 00m1 stop

4:15 pm - 9:18 amYOW-IAH

18h 03m1 stop

$289Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

7:00 am - 5:25 pmIAH-YOW

9h 25m2 stops

7:00 am - 9:15 amYOW-IAH

27h 15m3 stops

$298Multiple Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 13

6:05 am - 12:25 amIAH-YOW

17h 20m2 stops

4:15 pm - 9:18 amYOW-IAH

18h 03m1 stop

$303Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

5:34 am - 5:25 pmIAH-YOW

10h 51m1 stop

9:35 am - 11:45 amYOW-IAH

27h 10m1 stop

$312Multiple Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 13

5:34 am - 5:25 pmIAH-YOW

10h 51m1 stop

7:00 am - 11:59 pmYOW-IAH

17h 59m2 stops

$334Multiple Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 13

2:32 pm - 4:51 pmHOU-YOW

25h 19m2 stops

10:00 am - 11:41 pmYOW-HOU

14h 41m2 stops

$748American Airlines

Find Deal

Tue, Apr 21 - Thu, Apr 30

5:44 am - 4:51 pmHOU-YOW

10h 07m2 stops

10:00 am - 8:18 pmYOW-HOU

11h 18m2 stops

$777American Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

5:44 am - 4:51 pmHOU-YOW

10h 07m2 stops

6:45 am - 8:18 pmYOW-HOU

14h 33m3 stops

$802American Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

10:46 am - 12:42 amHOU-YOW

36h 56m2 stops

5:40 am - 11:11 pmYOW-HOU

18h 31m2 stops

$1,005WestJet

Find Deal

Thu, Dec 25 - Mon, Dec 29

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

Dec 5

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Dec 12

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$506

Find similar

WestJet

Dec 5

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Dec 12

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$510

Find similar

WestJet

Dec 5

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Dec 12

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$546

Find similar

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets

American Airlines

Dec 5

IAH6:28 pmHouston George Bush Intcntl

21h 23m

2 stops

YOW4:51 pmOttawa

Dec 12

YOW6:45 amOttawa

12h 12m

2 stops

IAH5:57 pmHouston George Bush Intcntl

$674

Find similar

American Airlines

Apr 21

HOU2:32 pmHouston Hobby

25h 19m

2 stops

YOW4:51 pmOttawa

Apr 30

YOW10:00 amOttawa

14h 41m

2 stops

HOU11:41 pmHouston Hobby

$748

Find similar

American Airlines

Dec 5

HOU5:44 amHouston Hobby

10h 07m

2 stops

YOW4:51 pmOttawa

Dec 12

YOW10:00 amOttawa

11h 18m

2 stops

HOU8:18 pmHouston Hobby

$777

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

5:34 am-5:25 pm

1 stop10h 51m

Ottawa

Sat 12/13

7:00 am-9:15 am

3 stops27h 15m

$266

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/4

7:25 pm-5:25 pm

1 stop21h 00m

Ottawa

Mon 12/8

4:15 pm-9:18 am

1 stop18h 03m

$289

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

7:00 am-5:25 pm

2 stops9h 25m

Ottawa

Sat 12/13

7:00 am-9:15 am

3 stops27h 15m

$298

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/4

6:05 am-12:25 am

2 stops17h 20m

Ottawa

Mon 12/8

4:15 pm-9:18 am

1 stop18h 03m

$303

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

5:34 am-5:25 pm

1 stop10h 51m

Ottawa

Sat 12/13

9:35 am-11:45 am

1 stop27h 10m

$312

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

5:34 am-5:25 pm

1 stop10h 51m

Ottawa

Sat 12/13

7:00 am-11:59 pm

2 stops17h 59m

$334

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 4/21

2:32 pm-4:51 pm

2 stops25h 19m

Ottawa

Thu 4/30

10:00 am-11:41 pm

2 stops14h 41m

$748

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 12/5

5:44 am-4:51 pm

2 stops10h 07m

Ottawa

Fri 12/12

10:00 am-8:18 pm

2 stops11h 18m

$777

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 12/5

5:44 am-4:51 pm

2 stops10h 07m

Ottawa

Fri 12/12

6:45 am-8:18 pm

3 stops14h 33m

$802

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 12/25

10:46 am-12:42 am

2 stops36h 56m

Ottawa

Mon 12/29

5:40 am-11:11 pm

2 stops18h 31m

$1,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Direct flights	None

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 7h 28m, 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 10,448 reviews		Search Air Canada flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 9,017 reviews		Search United Airlines flights

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Winchester

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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.