What airlines fly to Houston?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Houston from Ottawa 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 Houston. Keep in mind that there are 3 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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

Air Canada, United Airlines, and Delta are the most popular carriers operating from Ottawa to Houston

When did momondo last update prices for flights from Ottawa Airport to Houston?

Prices for flights from Ottawa Airport to Houston are updated daily.

How many operators does momondo search for flights from Ottawa Airport to Houston?

There is 1 operator available for flights from Ottawa Airport to Houston as of December 2025.

How old do you have to be to fly from Ottawa Airport to Houston?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston.

What documentation or ID do you need to fly to Houston?

The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$161 Cheap Flights from Ottawa to Houston in 2025/26

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Find the cheapest flights from Ottawa to Houston

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 8:23 pm

YOW

IAH

29h 03m3 stops

8:19 pm - 12:39 am

IAH

YOW

27h 20m2 stops

$259Multiple Airlines

Sun, Jan 25 - Sun, Feb 1

4:15 pm - 8:40 am

YOW

IAH

17h 25m1 stop

1:35 pm - 12:40 am

IAH

YOW

10h 05m1 stop

$272Multiple Airlines

Mon, Feb 9 - Thu, Feb 19

4:20 pm - 8:23 pm

YOW

IAH

29h 03m3 stops

9:33 pm - 12:39 am

IAH

YOW

26h 06m3 stops

$280Multiple Airlines

Sun, Jan 25 - Sun, Feb 1

7:00 am - 8:23 pm

YOW

IAH

14h 23m1 stop

1:35 pm - 12:40 am

IAH

YOW

10h 05m1 stop

$285Multiple Airlines

Sun, Feb 8 - Thu, Feb 19

4:15 pm - 1:10 pm

YOW

IAH

21h 55m1 stop

4:22 pm - 5:25 pm

IAH

YOW

24h 03m1 stop

$292Multiple Airlines

Wed, Feb 4 - Tue, Feb 17

7:00 am - 5:10 pm

YOW

IAH

11h 10m2 stops

1:35 pm - 12:40 am

IAH

YOW

10h 05m1 stop

$295Multiple Airlines

Mon, Feb 9 - Thu, Feb 19

4:20 pm - 8:23 pm

YOW

IAH

29h 03m3 stops

6:25 am - 5:25 pm

IAH

YOW

10h 00m1 stop

$300Multiple Airlines

Sun, Jan 25 - Sun, Feb 1

4:15 pm - 8:40 am

YOW

IAH

17h 25m1 stop

6:07 pm - 5:25 pm

IAH

YOW

22h 18m2 stops

$301Multiple Airlines

Wed, Feb 4 - Tue, Feb 17

5:40 am - 4:32 pm

YOW

HOU

11h 52m2 stops

5:27 pm - 12:39 am

HOU

YOW

30h 12m2 stops

$734WestJet

Fri, Mar 20 - Sun, Mar 22

5:40 am - 4:28 pm

YOW

HOU

35h 48m2 stops

2:05 pm - 12:39 am

HOU

YOW

9h 34m2 stops

$760WestJet

Thu, Mar 5 - Mon, Mar 9

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

Mar 5

YOW6:00 amOttawa

12h 30m

1 stop

IAH5:30 pmHouston George Bush Intcntl

Mar 9

IAH6:20 pmHouston George Bush Intcntl

21h 33m

1 stop

YOW4:53 pmOttawa

$370

Find similar

WestJet

Mar 4

YOW5:45 pmOttawa

20h 00m

1 stop

IAH12:45 pmHouston George Bush Intcntl

Mar 9

IAH6:20 pmHouston George Bush Intcntl

21h 33m

1 stop

YOW4:53 pmOttawa

$376

Find similar

WestJet

Mar 5

YOW5:40 amOttawa

12h 50m

2 stops

IAH5:30 pmHouston George Bush Intcntl

Mar 9

IAH6:20 pmHouston George Bush Intcntl

21h 33m

1 stop

YOW4:53 pmOttawa

$404

Find similar

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

Jan 1

YOW9:15 amOttawa

11h 29m

2 stops

HOU7:44 pmHouston Hobby

Jan 7

HOU6:36 pmHouston Hobby

21h 17m

2 stops

YOW4:53 pmOttawa

$976

Find similar

American Airlines

Jan 1

YOW9:15 amOttawa

15h 31m

3 stops

HOU11:46 pmHouston Hobby

Jan 7

HOU6:36 pmHouston Hobby

21h 17m

2 stops

YOW4:53 pmOttawa

$992

Find similar

American Airlines

Jan 1

YOW9:15 amOttawa

15h 35m

3 stops

IAH11:50 pmHouston George Bush Intcntl

Jan 7

IAH6:00 amHouston George Bush Intcntl

11h 28m

3 stops

YOW6:28 pmOttawa

$1,104

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/25

4:20 pm-8:23 pm

3 stops29h 03m

Houston George Bush Intcntl

Sun 2/1

8:19 pm-12:39 am

2 stops27h 20m

$259

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 2/9

4:15 pm-8:40 am

1 stop17h 25m

Houston George Bush Intcntl

Thu 2/19

1:35 pm-12:40 am

1 stop10h 05m

$272

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/25

4:20 pm-8:23 pm

3 stops29h 03m

Houston George Bush Intcntl

Sun 2/1

9:33 pm-12:39 am

3 stops26h 06m

$280

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/8

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Thu 2/19

1:35 pm-12:40 am

1 stop10h 05m

$285

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 2/4

4:15 pm-1:10 pm

1 stop21h 55m

Houston George Bush Intcntl

Tue 2/17

4:22 pm-5:25 pm

1 stop24h 03m

$292

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 2/9

7:00 am-5:10 pm

2 stops11h 10m

Houston George Bush Intcntl

Thu 2/19

1:35 pm-12:40 am

1 stop10h 05m

$295

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/25

4:20 pm-8:23 pm

3 stops29h 03m

Houston George Bush Intcntl

Sun 2/1

6:25 am-5:25 pm

1 stop10h 00m

$300

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 2/4

4:15 pm-8:40 am

1 stop17h 25m

Houston George Bush Intcntl

Tue 2/17

6:07 pm-5:25 pm

2 stops22h 18m

$301

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 3/20

5:40 am-4:32 pm

2 stops11h 52m

Houston Hobby

Sun 3/22

5:27 pm-12:39 am

2 stops30h 12m

$734

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 3/5

5:40 am-4:28 pm

2 stops35h 48m

Houston Hobby

Mon 3/9

2:05 pm-12:39 am

2 stops9h 34m

$760

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Houston

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 month to fly to Houston?

The month of October is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $490. The month of December is another great option to travel to Houston, with average flight prices from Ottawa averaging around $501.

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

On average, the least expensive day to fly to Houston from Ottawa is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $596. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $901.

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

Our data shows that the cheapest Ottawa to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $629. Try not to purchase tickets in the morning because they tend to be around $775. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Ottawa to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Houston

Fastest flight time	8h 55m
Direct flights	None

The fastest flight from Ottawa to Houston takes 8h 55m

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

Search flight deals

How far is Ottawa to Houston by plane?
The distance between Ottawa and Houston is about 1517.5 mi. Flights usually cover this in 8h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ottawa Airport to Houston?
Prices for flights from Ottawa Airport to Houston are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Houston?
There is 1 operator available for flights from Ottawa Airport to Houston as of December 2025.
How old do you have to be to fly from Ottawa Airport to Houston?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston.
What documentation or ID do you need to fly to Houston?
The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to Houston

Compare and see reviews for airlines that fly from Ottawa to Houston with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $594	Free Cancellation	Rating 7.4 9,091 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Houston?

Finding the right flight to Houston from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from Ottawa to Houston with flexible booking policies on momondo?

All flight searches from Ottawa to Houston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Houston?

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 Houston from Ottawa.

I’m not ready to book a flight from Ottawa to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.