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

WestJet 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 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.

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 September 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

Round-trip

One-way

Last minute

Cheap round-trip flights

8:10 pm - 5:25 pmIAH-YOW

20h 15m1 stop

5:45 pm - 12:44 pmYOW-IAH

19h 59m1 stop

$313Multiple Airlines

Find Deal

Mon, Oct 27 - Thu, Nov 27

5:37 am - 5:20 pmIAH-YOW

10h 43m1 stop

3:50 pm - 12:28 amYOW-IAH

9h 38m1 stop

$315Multiple Airlines

Find Deal

Sat, Oct 4 - Wed, Oct 8

3:00 pm - 2:27 pmIAH-YOW

22h 27m1 stop

9:30 am - 9:33 amYOW-IAH

25h 03m1 stop

$318Multiple Airlines

Find Deal

Sat, Oct 25 - Wed, Oct 29

6:20 pm - 12:40 amIAH-YOW

29h 20m1 stop

6:00 am - 5:29 pmYOW-IAH

12h 29m1 stop

$447WestJet

Find Deal

Fri, Nov 21 - Mon, Nov 24

1:35 pm - 12:40 amIAH-YOW

10h 05m1 stop

6:00 am - 5:29 pmYOW-IAH

12h 29m1 stop

$551WestJet

Find Deal

Thu, Nov 27 - Sat, Nov 29

6:20 pm - 4:53 pmIAH-YOW

21h 33m1 stop

6:00 am - 5:29 pmYOW-IAH

12h 29m1 stop

$578WestJet

Find Deal

Thu, Nov 27 - Sat, Nov 29

10:03 am - 9:18 pmIAH-YOW

10h 15m2 stops

11:10 am - 8:05 pmYOW-IAH

9h 55m2 stops

$760United Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

7:25 am - 9:18 pmIAH-YOW

12h 53m2 stops

6:20 am - 8:05 pmYOW-IAH

14h 45m2 stops

$768United Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

6:30 am - 6:52 pmIAH-YOW

11h 22m2 stops

2:15 pm - 11:12 pmYOW-IAH

9h 57m2 stops

$840United Airlines

Find Deal

Sun, Dec 28 - Tue, Dec 30

7:20 am - 6:52 pmIAH-YOW

10h 32m2 stops

12:05 pm - 11:16 pmYOW-IAH

12h 11m2 stops

$864United Airlines

Find Deal

Mon, Dec 29 - Wed, Dec 31

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

Nov 21

IAH6:20 pmHouston George Bush Intcntl

29h 20m

1 stop

YOW12:40 amOttawa

Nov 24

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$447

Find similar

WestJet

Nov 27

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

Nov 29

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$551

Find similar

WestJet

Nov 27

IAH6:20 pmHouston George Bush Intcntl

21h 33m

1 stop

YOW4:53 pmOttawa

Nov 29

YOW6:00 amOttawa

12h 29m

1 stop

IAH5:29 pmHouston George Bush Intcntl

$578

Find similar

United Airlines flights from Houston to Ottawa

Our best United Airlines deals on Houston to Ottawa flight tickets

United Airlines

Nov 27

IAH10:03 amHouston George Bush Intcntl

10h 15m

2 stops

YOW9:18 pmOttawa

Nov 29

YOW11:10 amOttawa

9h 55m

2 stops

IAH8:05 pmHouston George Bush Intcntl

$760

Find similar

United Airlines

Nov 27

IAH7:25 amHouston George Bush Intcntl

12h 53m

2 stops

YOW9:18 pmOttawa

Nov 29

YOW6:20 amOttawa

14h 45m

2 stops

IAH8:05 pmHouston George Bush Intcntl

$768

Find similar

United Airlines

Dec 28

IAH6:30 amHouston George Bush Intcntl

11h 22m

2 stops

YOW6:52 pmOttawa

Dec 30

YOW2:15 pmOttawa

9h 57m

2 stops

IAH11:12 pmHouston George Bush Intcntl

$840

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 10/27

8:10 pm-5:25 pm

1 stop20h 15m

Ottawa

Thu 11/27

5:45 pm-12:44 pm

1 stop19h 59m

$313

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 10/4

5:37 am-5:20 pm

1 stop10h 43m

Ottawa

Wed 10/8

3:50 pm-12:28 am

1 stop9h 38m

$315

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 10/25

3:00 pm-2:27 pm

1 stop22h 27m

Ottawa

Wed 10/29

9:30 am-9:33 am

1 stop25h 03m

$318

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 11/21

6:20 pm-12:40 am

1 stop29h 20m

Ottawa

Mon 11/24

6:00 am-5:29 pm

1 stop12h 29m

$447

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

1:35 pm-12:40 am

1 stop10h 05m

Ottawa

Sat 11/29

6:00 am-5:29 pm

1 stop12h 29m

$551

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

6:20 pm-4:53 pm

1 stop21h 33m

Ottawa

Sat 11/29

6:00 am-5:29 pm

1 stop12h 29m

$578

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

10:03 am-9:18 pm

2 stops10h 15m

Ottawa

Sat 11/29

11:10 am-8:05 pm

2 stops9h 55m

$760

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/27

7:25 am-9:18 pm

2 stops12h 53m

Ottawa

Sat 11/29

6:20 am-8:05 pm

2 stops14h 45m

$768

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 12/28

6:30 am-6:52 pm

2 stops11h 22m

Ottawa

Tue 12/30

2:15 pm-11:12 pm

2 stops9h 57m

$840

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 12/29

7:20 am-6:52 pm

2 stops10h 32m

Ottawa

Wed 12/31

12:05 pm-11:16 pm

2 stops12h 11m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 9h 53m, 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 September 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 $331	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 8,924 reviews		Search United Airlines flights

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Pembroke

Petawawa

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.