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

American Airlines is the most popular carrier 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 October 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.

$140 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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8:08 pm - 5:13 pmIAH-YOW

20h 05m1 stop

9:30 am - 5:19 pmYOW-IAH

8h 49m1 stop

$335Multiple Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

9:34 pm - 11:58 pmIAH-YOW

25h 24m1 stop

4:20 pm - 7:04 pmYOW-IAH

27h 44m1 stop

$349Multiple Airlines

Find Deal

Sun, Dec 21 - Tue, Jan 6

1:35 pm - 12:40 amIAH-YOW

10h 05m1 stop

6:00 am - 5:29 pmYOW-IAH

12h 29m1 stop

$368WestJet

Find Deal

Thu, Nov 13 - Tue, Nov 18

6:20 pm - 12:40 amIAH-YOW

29h 20m1 stop

6:00 am - 5:29 pmYOW-IAH

12h 29m1 stop

$383WestJet

Find Deal

Thu, Nov 13 - Tue, Nov 18

11:50 am - 7:34 pmIAH-YOW

6h 44m1 stop

2:50 pm - 8:26 pmYOW-IAH

6h 36m1 stop

$567Air Canada

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Tue, Apr 7 - Wed, Apr 8

12:30 pm - 7:22 pmIAH-YOW

5h 52m1 stop

5:00 am - 11:09 amYOW-IAH

7h 09m1 stop

$670Air Canada

Find Deal

Thu, Nov 27 - Sat, Nov 29

6:08 am - 12:39 amIAH-YOW

17h 31m2 stops

6:45 am - 7:51 pmYOW-IAH

14h 06m2 stops

$674American Airlines

Find Deal

Thu, Nov 13 - Tue, Nov 18

7:20 am - 4:32 pmIAH-YOW

8h 12m2 stops

11:10 am - 8:58 pmYOW-IAH

10h 48m1 stop

$688United Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

2:55 pm - 1:32 pmIAH-YOW

21h 37m2 stops

12:05 pm - 6:38 pmYOW-IAH

7h 33m1 stop

$722United Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

6:08 am - 12:39 amIAH-YOW

17h 31m2 stops

6:45 am - 10:28 pmYOW-IAH

16h 43m3 stops

$777American Airlines

Find Deal

Thu, Nov 13 - Tue, Nov 18

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

Nov 13

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Nov 18

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$368

Find similar

WestJet

Nov 13

IAH6:20 pmHouston George Bush Intcntl

29h 20m

1 stop

YOW12:40 amOttawa

Nov 18

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$383

Find similar

WestJet

Nov 13

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Nov 18

YOW5:45 pmOttawa

19h 59m

1 stop

IAH12:44 pmHouston George Bush Intcntl

$475

Find similar

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets

American Airlines

Nov 13

IAH6:08 amHouston George Bush Intcntl

17h 31m

2 stops

YOW12:39 amOttawa

Nov 18

YOW6:45 amOttawa

14h 06m

2 stops

IAH7:51 pmHouston George Bush Intcntl

$674

Find similar

American Airlines

Nov 13

IAH6:08 amHouston George Bush Intcntl

17h 31m

2 stops

YOW12:39 amOttawa

Nov 18

YOW6:45 amOttawa

16h 43m

3 stops

IAH10:28 pmHouston George Bush Intcntl

$777

Find similar

American Airlines

Dec 6

HOU6:36 pmHouston Hobby

21h 15m

2 stops

YOW4:51 pmOttawa

Dec 13

YOW6:45 amOttawa

14h 33m

3 stops

HOU8:18 pmHouston Hobby

$811

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/20

8:08 pm-5:13 pm

1 stop20h 05m

Ottawa

Sun 11/23

9:30 am-5:19 pm

1 stop8h 49m

$335

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 12/21

9:34 pm-11:58 pm

1 stop25h 24m

Ottawa

Tue 1/6

4:20 pm-7:04 pm

1 stop27h 44m

$349

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/13

1:35 pm-12:40 am

1 stop10h 05m

Ottawa

Tue 11/18

6:00 am-5:29 pm

1 stop12h 29m

$368

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/13

6:20 pm-12:40 am

1 stop29h 20m

Ottawa

Tue 11/18

6:00 am-5:29 pm

1 stop12h 29m

$383

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 4/7

11:50 am-7:34 pm

1 stop6h 44m

Ottawa

Wed 4/8

2:50 pm-8:26 pm

1 stop6h 36m

$567

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

12:30 pm-7:22 pm

1 stop5h 52m

Ottawa

Sat 11/29

5:00 am-11:09 am

1 stop7h 09m

$670

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/13

6:08 am-12:39 am

2 stops17h 31m

Ottawa

Tue 11/18

6:45 am-7:51 pm

2 stops14h 06m

$674

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

7:20 am-4:32 pm

2 stops8h 12m

Ottawa

Sat 11/29

11:10 am-8:58 pm

1 stop10h 48m

$688

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

2:55 pm-1:32 pm

2 stops21h 37m

Ottawa

Sat 11/29

12:05 pm-6:38 pm

1 stop7h 33m

$722

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/13

6:08 am-12:39 am

2 stops17h 31m

Ottawa

Tue 11/18

6:45 am-10:28 pm

3 stops16h 43m

$777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 5h 52m, 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 October 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 10,350 reviews		Search Air Canada flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 8,995 reviews		Search United Airlines flights

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Pembroke

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.