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

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

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 68% 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.

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 January 2026.

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.

$150 Cheap Flights from Ottawa to Houston in 2026

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Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:16 pm

YOW

IAH

15h 16m

1 stop

5:45 am - 5:25 pm

IAH

YOW

10h 40m

1 stop

$269Multiple Airlines

Thu, Feb 26 - Tue, Apr 14

7:00 am - 9:16 pm

YOW

IAH

15h 16m

1 stop

5:45 am - 5:25 pm

IAH

YOW

10h 40m

1 stop

$270Multiple Airlines

Thu, Feb 26 - Tue, Apr 14

7:00 am - 10:33 pm

YOW

IAH

16h 33m

1 stop

4:22 pm - 5:25 pm

IAH

YOW

24h 03m

1 stop

$278Multiple Airlines

Fri, Apr 17 - Tue, Apr 21

7:00 am - 10:33 pm

YOW

IAH

16h 33m

1 stop

5:49 pm - 5:25 pm

IAH

YOW

22h 36m

2 stops

$294Multiple Airlines

Fri, Apr 17 - Tue, Apr 21

7:00 am - 9:16 pm

YOW

IAH

15h 16m

1 stop

7:05 am - 3:04 pm

IAH

YOW

30h 59m

2 stops

$312Multiple Airlines

Thu, Feb 26 - Tue, Apr 14

5:40 am - 4:36 pm

YOW

HOU

35h 56m

2 stops

11:33 am - 12:39 am

HOU

YOW

12h 06m

2 stops

$661WestJet

Sun, Mar 22 - Thu, Mar 26

5:55 am - 4:28 pm

YOW

HOU

11h 33m

2 stops

1:00 pm - 12:20 am

HOU

YOW

10h 20m

2 stops

$666WestJet

Tue, May 5 - Fri, May 8

5:40 am - 10:42 pm

YOW

HOU

18h 02m

2 stops

2:13 pm - 12:39 am

HOU

YOW

9h 26m

2 stops

$770WestJet

Tue, Mar 17 - Tue, Mar 24

6:45 am - 7:51 pm

YOW

HOU

14h 06m

3 stops

6:01 am - 6:26 pm

HOU

YOW

11h 25m

2 stops

$804American Airlines

Wed, Apr 8 - Thu, Apr 9

6:45 am - 7:51 pm

YOW

HOU

14h 06m

3 stops

6:01 am - 6:26 pm

HOU

YOW

11h 25m

2 stops

$896American Airlines

Wed, Apr 8 - Fri, Apr 10

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

Apr 8

YOW6:45 amOttawa

14h 06m

3 stops

HOU7:51 pmHouston Hobby

Apr 9

HOU6:01 amHouston Hobby

11h 25m

2 stops

YOW6:26 pmOttawa

$804

American Airlines

Apr 8

YOW6:45 amOttawa

14h 06m

3 stops

HOU7:51 pmHouston Hobby

Apr 10

HOU6:01 amHouston Hobby

11h 25m

2 stops

YOW6:26 pmOttawa

$896

American Airlines

Mar 15

YOW6:45 amOttawa

14h 05m

3 stops

HOU7:50 pmHouston Hobby

Mar 22

HOU6:00 amHouston Hobby

9h 48m

2 stops

YOW4:48 pmOttawa

$1,418

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

May 5

YOW6:15 pmOttawa

20h 40m

2 stops

IAH1:55 pmHouston George Bush Intcntl

May 8

IAH6:30 amHouston George Bush Intcntl

9h 50m

1 stop

YOW5:20 pmOttawa

$372

WestJet

May 5

YOW6:15 pmOttawa

20h 40m

2 stops

IAH1:55 pmHouston George Bush Intcntl

May 8

IAH6:30 amHouston George Bush Intcntl

29h 00m

2 stops

YOW12:30 pmOttawa

$373

WestJet

May 5

YOW7:30 amOttawa

31h 25m

1 stop

IAH1:55 pmHouston George Bush Intcntl

May 8

IAH6:30 amHouston George Bush Intcntl

9h 50m

1 stop

YOW5:20 pmOttawa

$384

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 4/14

5:45 am-5:25 pm

1 stop10h 40m

$269

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 4/14

5:45 am-5:25 pm

1 stop10h 40m

$270

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/17

7:00 am-10:33 pm

1 stop16h 33m

Houston George Bush Intcntl

Tue 4/21

4:22 pm-5:25 pm

1 stop24h 03m

$278

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 4/17

7:00 am-10:33 pm

1 stop16h 33m

Houston George Bush Intcntl

Tue 4/21

5:49 pm-5:25 pm

2 stops22h 36m

$294

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 4/14

7:05 am-3:04 pm

2 stops30h 59m

$312

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sun 3/22

5:40 am-4:36 pm

2 stops35h 56m

Houston Hobby

Thu 3/26

11:33 am-12:39 am

2 stops12h 06m

$661

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

5:55 am-4:28 pm

2 stops11h 33m

Houston Hobby

Fri 5/8

1:00 pm-12:20 am

2 stops10h 20m

$666

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 3/17

5:40 am-10:42 pm

2 stops18h 02m

Houston Hobby

Tue 3/24

2:13 pm-12:39 am

2 stops9h 26m

$770

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 4/8

6:45 am-7:51 pm

3 stops14h 06m

Houston Hobby

Thu 4/9

6:01 am-6:26 pm

2 stops11h 25m

$804

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 4/8

6:45 am-7:51 pm

3 stops14h 06m

Houston Hobby

Fri 4/10

6:01 am-6:26 pm

2 stops11h 25m

$896

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 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 December is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $488. The month of October is another great option to travel to Houston, with average flight prices from Ottawa averaging around $490.

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 00m
Direct flights	None

The fastest flight from Ottawa to Houston takes 8h 00m

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 00m, 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 January 2026.
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
Air Canada	PriceFrom $404	Free Cancellation	Rating 7.1 10,668 reviews		Search Air Canada 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.