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 American Airlines 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 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.

$247 Cheap Flights from Ottawa to Houston in 2026

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Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 pm - 11:58 pm

YOW

IAH

8h 43m

1 stop

7:21 am - 12:25 am

IAH

YOW

16h 04m

1 stop

$247Multiple Airlines

Tue, Feb 10 - Tue, Feb 17

7:00 am - 8:40 am

YOW

IAH

26h 40m

1 stop

6:27 pm - 5:15 pm

IAH

YOW

45h 48m

2 stops

$267Multiple Airlines

Sun, Feb 8 - Sat, Feb 14

7:00 am - 8:40 am

YOW

IAH

26h 40m

1 stop

7:38 pm - 12:40 pm

IAH

YOW

16h 02m

1 stop

$273Multiple Airlines

Sun, Feb 8 - Sat, Feb 14

4:15 pm - 11:58 pm

YOW

IAH

8h 43m

1 stop

6:00 am - 12:25 am

IAH

YOW

17h 25m

2 stops

$282Multiple Airlines

Tue, Feb 10 - Tue, Feb 17

7:00 am - 8:40 am

YOW

IAH

26h 40m

1 stop

8:18 pm - 12:25 am

IAH

YOW

51h 07m

2 stops

$295Multiple Airlines

Sun, Feb 8 - Sun, Feb 15

7:00 am - 8:40 am

YOW

IAH

26h 40m

1 stop

7:05 am - 12:40 pm

IAH

YOW

28h 35m

1 stop

$302Multiple Airlines

Sun, Feb 8 - Sun, Feb 15

9:40 am - 10:51 pm

YOW

IAH

14h 11m

2 stops

8:35 pm - 11:58 pm

IAH

YOW

26h 23m

1 stop

$325Multiple Airlines

Sat, Jan 31 - Sun, Feb 8

10:10 am - 11:16 pm

YOW

IAH

14h 06m

1 stop

8:35 pm - 11:58 pm

IAH

YOW

26h 23m

1 stop

$328Multiple Airlines

Sat, Jan 31 - Sun, Feb 8

5:55 am - 4:25 pm

YOW

HOU

11h 30m

2 stops

1:00 pm - 12:22 am

HOU

YOW

10h 22m

2 stops

$703WestJet

Tue, May 5 - Fri, May 8

5:40 am - 4:28 pm

YOW

HOU

11h 48m

2 stops

2:13 pm - 12:39 am

HOU

YOW

9h 26m

2 stops

$709WestJet

Thu, Mar 5 - Tue, Mar 10

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

Apr 4

YOW10:00 amOttawa

26h 29m

2 stops

IAH11:29 amHouston George Bush Intcntl

Apr 11

IAH6:30 pmHouston George Bush Intcntl

21h 21m

2 stops

YOW4:51 pmOttawa

$630

American Airlines

Mar 5

YOW6:45 amOttawa

12h 14m

2 stops

IAH5:59 pmHouston George Bush Intcntl

Mar 9

IAH6:04 amHouston George Bush Intcntl

9h 47m

2 stops

YOW4:51 pmOttawa

$632

American Airlines

Feb 6

YOW6:40 amOttawa

11h 06m

2 stops

IAH4:46 pmHouston George Bush Intcntl

Feb 13

IAH6:01 amHouston George Bush Intcntl

9h 57m

2 stops

YOW4:58 pmOttawa

$652

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

May 5

YOW5:15 pmOttawa

21h 55m

2 stops

IAH2:10 pmHouston George Bush Intcntl

May 8

IAH8:00 amHouston George Bush Intcntl

20h 28m

2 stops

YOW5:28 amOttawa

$346

WestJet

May 5

YOW3:45 pmOttawa

23h 25m

1 stop

IAH2:10 pmHouston George Bush Intcntl

May 8

IAH8:00 amHouston George Bush Intcntl

20h 28m

2 stops

YOW5:28 amOttawa

$361

WestJet

May 5

YOW5:15 pmOttawa

21h 55m

2 stops

IAH2:10 pmHouston George Bush Intcntl

May 8

IAH8:00 amHouston George Bush Intcntl

20h 28m

2 stops

YOW5:28 amOttawa

$377

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 2/10

4:15 pm-11:58 pm

1 stop8h 43m

Houston George Bush Intcntl

Tue 2/17

7:21 am-12:25 am

1 stop16h 04m

$247

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/8

7:00 am-8:40 am

1 stop26h 40m

Houston George Bush Intcntl

Sat 2/14

6:27 pm-5:15 pm

2 stops45h 48m

$267

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/8

7:00 am-8:40 am

1 stop26h 40m

Houston George Bush Intcntl

Sat 2/14

7:38 pm-12:40 pm

1 stop16h 02m

$273

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 2/10

4:15 pm-11:58 pm

1 stop8h 43m

Houston George Bush Intcntl

Tue 2/17

6:00 am-12:25 am

2 stops17h 25m

$282

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/8

7:00 am-8:40 am

1 stop26h 40m

Houston George Bush Intcntl

Sun 2/15

8:18 pm-12:25 am

2 stops51h 07m

$295

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/8

7:00 am-8:40 am

1 stop26h 40m

Houston George Bush Intcntl

Sun 2/15

7:05 am-12:40 pm

1 stop28h 35m

$302

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 1/31

9:40 am-10:51 pm

2 stops14h 11m

Houston George Bush Intcntl

Sun 2/8

8:35 pm-11:58 pm

1 stop26h 23m

$325

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 1/31

10:10 am-11:16 pm

1 stop14h 06m

Houston George Bush Intcntl

Sun 2/8

8:35 pm-11:58 pm

1 stop26h 23m

$328

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

$703

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 3/5

5:40 am-4:28 pm

2 stops11h 48m

Houston Hobby

Tue 3/10

2:13 pm-12:39 am

2 stops9h 26m

$709

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	9h 37m
Direct flights	None

The fastest flight from Ottawa to Houston takes 9h 37m

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 9h 37m, 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 9,156 reviews		Search United Airlines flights
Air Canada	PriceFrom $404	Free Cancellation	Rating 7.1 10,619 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.