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 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.

$117 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

Enter your travel dates to find the best prices.

7:25 pm - 5:25 pmIAH-YOW

21h 00m1 stop

7:00 am - 9:18 amYOW-IAH

27h 18m1 stop

$308Multiple Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

7:25 pm - 5:25 pmIAH-YOW

21h 00m1 stop

7:00 am - 9:18 amYOW-IAH

27h 18m1 stop

$319Multiple Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

1:35 pm - 12:40 amIAH-YOW

10h 05m1 stop

6:00 am - 5:29 pmYOW-IAH

12h 29m1 stop

$603WestJet

Find Deal

Wed, Dec 3 - Tue, Dec 9

1:35 pm - 12:40 amIAH-YOW

10h 05m1 stop

5:45 pm - 12:44 pmYOW-IAH

19h 59m1 stop

$629WestJet

Find Deal

Wed, Dec 3 - Wed, Dec 10

10:37 am - 4:51 pmIAH-YOW

29h 14m2 stops

6:45 am - 11:35 pmYOW-IAH

17h 50m2 stops

$774American Airlines

Find Deal

Thu, Dec 25 - Mon, Dec 29

6:08 am - 4:49 pmIAH-YOW

9h 41m2 stops

6:45 am - 11:27 pmYOW-IAH

17h 42m2 stops

$777American Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

12:10 pm - 7:15 pmIAH-YOW

6h 05m1 stop

5:00 am - 11:09 amYOW-IAH

7h 09m1 stop

$816Air Canada

Find Deal

Thu, Dec 25 - Mon, Dec 29

7:20 am - 11:54 pmIAH-YOW

15h 34m2 stops

7:27 pm - 11:13 amYOW-IAH

16h 46m1 stop

$817United Airlines

Find Deal

Thu, Dec 25 - Mon, Dec 29

11:55 am - 7:18 pmIAH-YOW

6h 23m1 stop

5:00 am - 11:09 amYOW-IAH

7h 09m1 stop

$823Air Canada

Find Deal

Mon, Dec 22 - Mon, Dec 29

5:05 pm - 11:54 pmIAH-YOW

5h 49m1 stop

7:27 pm - 12:57 amYOW-IAH

6h 30m1 stop

$825United Airlines

Find Deal

Sun, Dec 28 - Sat, Jan 3

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets

American Airlines

Dec 25

IAH10:37 amHouston George Bush Intcntl

29h 14m

2 stops

YOW4:51 pmOttawa

Dec 29

YOW6:45 amOttawa

17h 50m

2 stops

IAH11:35 pmHouston George Bush Intcntl

$774

Find similar

American Airlines

Nov 27

IAH6:08 amHouston George Bush Intcntl

9h 41m

2 stops

YOW4:49 pmOttawa

Nov 29

YOW6:45 amOttawa

17h 42m

2 stops

IAH11:27 pmHouston George Bush Intcntl

$777

Find similar

American Airlines

Dec 25

IAH4:30 pmHouston George Bush Intcntl

23h 21m

3 stops

YOW4:51 pmOttawa

Dec 29

YOW6:45 amOttawa

17h 50m

2 stops

IAH11:35 pmHouston George Bush Intcntl

$783

Find similar

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

Dec 3

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Dec 9

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$603

Find similar

WestJet

Dec 3

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Dec 10

YOW5:45 pmOttawa

19h 59m

1 stop

IAH12:44 pmHouston George Bush Intcntl

$629

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

$653

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/5

7:25 pm-5:25 pm

1 stop21h 00m

Ottawa

Fri 12/12

7:00 am-9:18 am

1 stop27h 18m

$308

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/5

7:25 pm-5:25 pm

1 stop21h 00m

Ottawa

Fri 12/12

7:00 am-9:18 am

1 stop27h 18m

$319

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 12/3

1:35 pm-12:40 am

1 stop10h 05m

Ottawa

Tue 12/9

6:00 am-5:29 pm

1 stop12h 29m

$603

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 12/3

1:35 pm-12:40 am

1 stop10h 05m

Ottawa

Wed 12/10

5:45 pm-12:44 pm

1 stop19h 59m

$629

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/25

10:37 am-4:51 pm

2 stops29h 14m

Ottawa

Mon 12/29

6:45 am-11:35 pm

2 stops17h 50m

$774

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

6:08 am-4:49 pm

2 stops9h 41m

Ottawa

Sat 11/29

6:45 am-11:27 pm

2 stops17h 42m

$777

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/25

12:10 pm-7:15 pm

1 stop6h 05m

Ottawa

Mon 12/29

5:00 am-11:09 am

1 stop7h 09m

$816

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/25

7:20 am-11:54 pm

2 stops15h 34m

Ottawa

Mon 12/29

7:27 pm-11:13 am

1 stop16h 46m

$817

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 12/22

11:55 am-7:18 pm

1 stop6h 23m

Ottawa

Mon 12/29

5:00 am-11:09 am

1 stop7h 09m

$823

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 12/28

5:05 pm-11:54 pm

1 stop5h 49m

Ottawa

Sat 1/3

7:27 pm-12:57 am

1 stop6h 30m

$825

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 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 10,416 reviews		Search Air Canada flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 9,007 reviews		Search United Airlines flights

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Pembroke

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Perth

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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.