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

WestJet, American Airlines, 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 66% 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.

$155 Cheap Flights from Ottawa to Houston in 2026

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Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 8:00 am

YOW

IAH

26h 00m

1 stop

7:21 am - 12:25 am

IAH

YOW

16h 04m

1 stop

$257Multiple Airlines

Mon, Feb 23 - Wed, Mar 4

4:15 pm - 8:00 am

YOW

IAH

16h 45m

1 stop

7:21 am - 12:25 am

IAH

YOW

16h 04m

1 stop

$265Multiple Airlines

Sun, Feb 22 - Wed, Mar 4

7:00 am - 8:00 am

YOW

IAH

26h 00m

1 stop

9:40 pm - 12:02 am

IAH

YOW

25h 22m

1 stop

$280Multiple Airlines

Mon, Feb 23 - Sun, Mar 1

4:15 pm - 8:00 am

YOW

IAH

16h 45m

1 stop

9:40 pm - 12:02 am

IAH

YOW

25h 22m

1 stop

$287Multiple Airlines

Sun, Feb 22 - Sun, Mar 1

7:00 am - 8:23 pm

YOW

IAH

14h 23m

1 stop

7:21 am - 12:25 am

IAH

YOW

16h 04m

1 stop

$290Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

5:55 am - 4:28 pm

YOW

HOU

11h 33m

2 stops

1:00 pm - 12:20 am

HOU

YOW

10h 20m

2 stops

$614WestJet

Fri, May 1 - Thu, May 28

5:55 am - 4:26 pm

YOW

HOU

11h 31m

2 stops

1:00 pm - 12:20 am

HOU

YOW

10h 20m

2 stops

$654WestJet

Mon, Jun 1 - Fri, Jun 5

5:40 am - 10:28 pm

YOW

HOU

17h 48m

2 stops

6:00 am - 12:39 am

HOU

YOW

17h 39m

2 stops

$679Delta

Mon, Mar 2 - Tue, Mar 10

5:40 am - 10:28 pm

YOW

HOU

17h 48m

2 stops

6:00 am - 12:39 am

HOU

YOW

17h 39m

2 stops

$683Delta

Mon, Mar 2 - Tue, Mar 10

10:00 am - 9:43 am

YOW

HOU

24h 43m

2 stops

6:01 am - 6:26 pm

HOU

YOW

11h 25m

2 stops

$711American Airlines

Fri, Apr 3 - Tue, Apr 7

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

May 1

YOW5:55 amOttawa

11h 33m

2 stops

HOU4:28 pmHouston Hobby

May 28

HOU1:00 pmHouston Hobby

10h 20m

2 stops

YOW12:20 amOttawa

$614

WestJet

Jun 1

YOW5:55 amOttawa

11h 31m

2 stops

HOU4:26 pmHouston Hobby

Jun 5

HOU1:00 pmHouston Hobby

10h 20m

2 stops

YOW12:20 amOttawa

$654

WestJet

May 5

YOW5:55 amOttawa

11h 33m

2 stops

HOU4:28 pmHouston Hobby

May 8

HOU6:00 amHouston Hobby

17h 20m

2 stops

YOW12:20 amOttawa

$656

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets

Delta

Mar 2

YOW5:40 amOttawa

17h 48m

2 stops

HOU10:28 pmHouston Hobby

Mar 10

HOU6:00 amHouston Hobby

17h 39m

2 stops

YOW12:39 amOttawa

$679

Delta

Mar 2

YOW5:40 amOttawa

17h 48m

2 stops

HOU10:28 pmHouston Hobby

Mar 10

HOU6:00 amHouston Hobby

17h 39m

2 stops

YOW12:39 amOttawa

$683

Delta

Mar 2

YOW5:40 amOttawa

17h 48m

2 stops

HOU10:28 pmHouston Hobby

Mar 11

HOU6:00 amHouston Hobby

17h 39m

2 stops

YOW12:39 amOttawa

$686

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 2/23

7:00 am-8:00 am

1 stop26h 00m

Houston George Bush Intcntl

Wed 3/4

7:21 am-12:25 am

1 stop16h 04m

$257

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/22

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Wed 3/4

7:21 am-12:25 am

1 stop16h 04m

$265

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 2/23

7:00 am-8:00 am

1 stop26h 00m

Houston George Bush Intcntl

Sun 3/1

9:40 pm-12:02 am

1 stop25h 22m

$280

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/22

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Sun 3/1

9:40 pm-12:02 am

1 stop25h 22m

$287

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 2/24

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Tue 3/3

7:21 am-12:25 am

1 stop16h 04m

$290

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 5/1

5:55 am-4:28 pm

2 stops11h 33m

Houston Hobby

Thu 5/28

1:00 pm-12:20 am

2 stops10h 20m

$614

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Mon 6/1

5:55 am-4:26 pm

2 stops11h 31m

Houston Hobby

Fri 6/5

1:00 pm-12:20 am

2 stops10h 20m

$654

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Mon 3/2

5:40 am-10:28 pm

2 stops17h 48m

Houston Hobby

Tue 3/10

6:00 am-12:39 am

2 stops17h 39m

$679

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Mon 3/2

5:40 am-10:28 pm

2 stops17h 48m

Houston Hobby

Tue 3/10

6:00 am-12:39 am

2 stops17h 39m

$683

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 4/3

10:00 am-9:43 am

2 stops24h 43m

Houston Hobby

Tue 4/7

6:01 am-6:26 pm

2 stops11h 25m

$711

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	6h 35m
Direct flights	None

The fastest flight from Ottawa to Houston takes 6h 35m

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 6h 35m, 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 10,656 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.