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

WestJet and American Airlines 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 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.

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 are 2 operators 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.

$169 Cheap Flights from Ottawa to Houston in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 - 9:16 pm

YOW

IAH

15h 16m

1 stop

5:46 am - 5:25 pm

IAH

YOW

10h 39m

1 stop

$258Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

7:00 am - 8:23 pm

YOW

IAH

14h 23m

1 stop

7:21 am - 5:25 pm

IAH

YOW

9h 04m

1 stop

$287Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

7:00 am - 6:31 pm

YOW

IAH

12h 31m

2 stops

7:21 am - 5:25 pm

IAH

YOW

9h 04m

1 stop

$290Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

7:00 am - 8:23 pm

YOW

IAH

14h 23m

1 stop

6:30 am - 12:25 am

IAH

YOW

16h 55m

2 stops

$307Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

6:40 am - 8:23 pm

YOW

IAH

14h 43m

2 stops

9:16 am - 12:25 am

IAH

YOW

14h 09m

2 stops

$310Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

4:15 pm - 12:18 am

YOW

IAH

9h 03m

1 stop

7:59 pm - 12:39 am

IAH

YOW

27h 40m

2 stops

$315Multiple Airlines

Thu, Feb 26 - Tue, Mar 3

7:00 am - 8:23 pm

YOW

IAH

14h 23m

1 stop

7:21 am - 5:25 pm

IAH

YOW

9h 04m

1 stop

$316Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

4:15 pm - 8:00 am

YOW

IAH

16h 45m

1 stop

9:40 pm - 12:39 am

IAH

YOW

25h 59m

2 stops

$319Multiple Airlines

Sun, Feb 22 - Tue, Mar 3

5:55 am - 4:25 pm

YOW

HOU

11h 30m

2 stops

1:00 pm - 12:22 am

HOU

YOW

10h 22m

2 stops

$662WestJet

Tue, May 5 - Fri, May 8

5:40 am - 10:01 am

YOW

HOU

29h 21m

2 stops

5:19 pm - 12:39 am

HOU

YOW

30h 20m

2 stops

$665WestJet

Thu, Feb 19 - Tue, Feb 24

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

Feb 7

YOW10:00 amOttawa

25h 05m

2 stops

HOU10:05 amHouston Hobby

Mar 17

HOU6:00 amHouston Hobby

9h 51m

2 stops

YOW4:51 pmOttawa

$760

American Airlines

Feb 11

YOW6:40 amOttawa

12h 26m

3 stops

HOU6:06 pmHouston Hobby

Feb 16

HOU6:00 amHouston Hobby

9h 58m

2 stops

YOW4:58 pmOttawa

$816

American Airlines

Feb 6

YOW10:00 amOttawa

27h 19m

2 stops

HOU12:19 pmHouston Hobby

Feb 13

HOU4:21 pmHouston Hobby

24h 37m

2 stops

YOW5:58 pmOttawa

$863

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

May 5

YOW6:00 amOttawa

17h 40m

1 stop

IAH10:40 pmHouston George Bush Intcntl

May 8

IAH8:00 amHouston George Bush Intcntl

15h 40m

1 stop

YOW12:40 amOttawa

$438

WestJet

May 5

YOW3:45 pmOttawa

31h 55m

1 stop

IAH10:40 pmHouston George Bush Intcntl

May 8

IAH8:00 amHouston George Bush Intcntl

20h 28m

2 stops

YOW5:28 amOttawa

$448

WestJet

May 5

YOW6:00 amOttawa

17h 40m

1 stop

IAH10:40 pmHouston George Bush Intcntl

May 8

IAH8:00 amHouston George Bush Intcntl

20h 28m

2 stops

YOW5:28 amOttawa

$449

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/19

7:00 am-9:16 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 2/24

5:46 am-5:25 pm

1 stop10h 39m

$258

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/19

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Tue 2/24

7:21 am-5:25 pm

1 stop9h 04m

$287

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/19

7:00 am-6:31 pm

2 stops12h 31m

Houston George Bush Intcntl

Tue 2/24

7:21 am-5:25 pm

1 stop9h 04m

$290

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/19

7:00 am-8:23 pm

1 stop14h 23m

Houston George Bush Intcntl

Tue 2/24

6:30 am-12:25 am

2 stops16h 55m

$307

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 2/25

6:40 am-8:23 pm

2 stops14h 43m

Houston George Bush Intcntl

Tue 3/3

9:16 am-12:25 am

2 stops14h 09m

$310

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 2/26

4:15 pm-12:18 am

1 stop9h 03m

Houston George Bush Intcntl

Tue 3/3

7:59 pm-12:39 am

2 stops27h 40m

$315

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-5:25 pm

1 stop9h 04m

$316

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/22

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Tue 3/3

9:40 pm-12:39 am

2 stops25h 59m

$319

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

5:55 am-4:25 pm

2 stops11h 30m

Houston Hobby

Fri 5/8

1:00 pm-12:22 am

2 stops10h 22m

$662

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 2/19

5:40 am-10:01 am

2 stops29h 21m

Houston Hobby

Tue 2/24

5:19 pm-12:39 am

2 stops30h 20m

$665

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 01m
Direct flights	None

The fastest flight from Ottawa to Houston takes 8h 01m

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 01m, 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 are 2 operators 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
United Airlines	PriceFrom $354	Free Cancellation	Rating 7.4 9,171 reviews		Search United Airlines flights
Air Canada	PriceFrom $404	Free Cancellation	Rating 7.1 10,628 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.