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 58% 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?

American Airlines, Air Canada, and United 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 November 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.

$154 Cheap Flights from Ottawa to Houston in 2025/26

Q: What is the typical price of a round-trip flight between Ottawa and Houston?

Prices are currently low for flights on this route. Typical prices usually range from $737 to $864. The lowest price recently found on this route was $249.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:15 amYOW-IAH

27h 15m3 stops

6:14 am - 12:25 amIAH-YOW

17h 11m1 stop

$249Multiple Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

4:20 pm - 8:54 amYOW-IAH

17h 34m1 stop

5:45 am - 5:25 pmIAH-YOW

10h 40m1 stop

$270Multiple Airlines

Find Deal

Thu, Jan 29 - Wed, Feb 11

7:00 am - 9:15 amYOW-IAH

27h 15m3 stops

8:30 pm - 12:25 amIAH-YOW

26h 55m2 stops

$276Multiple Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

7:00 am - 6:08 pmYOW-IAH

12h 08m1 stop

6:14 am - 12:25 amIAH-YOW

17h 11m1 stop

$277Multiple Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

4:15 pm - 8:45 amYOW-IAH

17h 30m1 stop

7:35 am - 5:25 pmIAH-YOW

8h 50m1 stop

$278Multiple Airlines

Find Deal

Tue, Feb 3 - Wed, Feb 11

5:45 pm - 12:44 pmYOW-IAH

19h 59m1 stop

1:35 pm - 12:40 amIAH-YOW

10h 05m1 stop

$390WestJet

Find Deal

Wed, Dec 3 - Thu, Dec 11

5:40 am - 5:30 pmYOW-IAH

12h 50m2 stops

6:20 pm - 6:23 pmIAH-YOW

47h 03m2 stops

$443WestJet

Find Deal

Sun, Feb 1 - Wed, Feb 11

10:00 am - 8:18 pmYOW-HOU

11h 18m2 stops

5:44 am - 4:51 pmHOU-YOW

10h 07m2 stops

$513American Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

5:40 am - 10:48 pmYOW-HOU

18h 08m2 stops

6:00 am - 12:42 amHOU-YOW

17h 42m2 stops

$635Delta

Find Deal

Thu, Dec 11 - Mon, Dec 15

6:45 am - 7:50 pmYOW-HOU

14h 05m3 stops

6:42 pm - 4:49 pmHOU-YOW

21h 07m2 stops

$779American Airlines

Find Deal

Sat, Nov 22 - Mon, Nov 24

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

Dec 6

YOW10:00 amOttawa

11h 18m

2 stops

HOU8:18 pmHouston Hobby

Dec 13

HOU5:44 amHouston Hobby

10h 07m

2 stops

YOW4:51 pmOttawa

$513

Find similar

American Airlines

Nov 19

YOW6:45 amOttawa

14h 06m

2 stops

IAH7:51 pmHouston George Bush Intcntl

Dec 7

IAH6:16 amHouston George Bush Intcntl

17h 25m

2 stops

YOW12:41 amOttawa

$522

Find similar

American Airlines

Nov 11

YOW6:45 amOttawa

14h 06m

2 stops

IAH7:51 pmHouston George Bush Intcntl

Dec 11

IAH6:16 amHouston George Bush Intcntl

17h 25m

2 stops

YOW12:41 amOttawa

$595

Find similar

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

Dec 3

YOW5:45 pmOttawa

19h 59m

1 stop

IAH12:44 pmHouston George Bush Intcntl

Dec 11

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

$390

Find similar

WestJet

Feb 1

YOW5:40 amOttawa

12h 50m

2 stops

IAH5:30 pmHouston George Bush Intcntl

Feb 11

IAH6:20 pmHouston George Bush Intcntl

47h 03m

2 stops

YOW6:23 pmOttawa

$443

Find similar

WestJet

Dec 3

YOW5:45 pmOttawa

19h 59m

1 stop

IAH12:44 pmHouston George Bush Intcntl

Dec 11

IAH1:35 pmHouston George Bush Intcntl

10h 05m

1 stop

YOW12:40 amOttawa

$458

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 12/6

7:00 am-9:15 am

3 stops27h 15m

Houston George Bush Intcntl

Sat 12/13

6:14 am-12:25 am

1 stop17h 11m

$249

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 1/29

4:20 pm-8:54 am

1 stop17h 34m

Houston George Bush Intcntl

Wed 2/11

5:45 am-5:25 pm

1 stop10h 40m

$270

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 12/6

7:00 am-9:15 am

3 stops27h 15m

Houston George Bush Intcntl

Sat 12/13

8:30 pm-12:25 am

2 stops26h 55m

$276

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 12/6

7:00 am-6:08 pm

1 stop12h 08m

Houston George Bush Intcntl

Sat 12/13

6:14 am-12:25 am

1 stop17h 11m

$277

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 2/3

4:15 pm-8:45 am

1 stop17h 30m

Houston George Bush Intcntl

Wed 2/11

7:35 am-5:25 pm

1 stop8h 50m

$278

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 12/3

5:45 pm-12:44 pm

1 stop19h 59m

Houston George Bush Intcntl

Thu 12/11

1:35 pm-12:40 am

1 stop10h 05m

$390

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 2/1

5:40 am-5:30 pm

2 stops12h 50m

Houston George Bush Intcntl

Wed 2/11

6:20 pm-6:23 pm

2 stops47h 03m

$443

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 12/6

10:00 am-8:18 pm

2 stops11h 18m

Houston Hobby

Sat 12/13

5:44 am-4:51 pm

2 stops10h 07m

$513

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 12/11

5:40 am-10:48 pm

2 stops18h 08m

Houston Hobby

Mon 12/15

6:00 am-12:42 am

2 stops17h 42m

$635

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 11/22

6:45 am-7:50 pm

3 stops14h 05m

Houston Hobby

Mon 11/24

6:42 pm-4:49 pm

2 stops21h 07m

$779

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 typical price of a round-trip flight between Ottawa and Houston?

What is the cheapest month to fly to Houston?

The month of May is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $564. The month of January is another great option to travel to Houston, with average flight prices from Ottawa averaging around $604.

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.

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $673 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Ottawa for as low as $290 on momondo.

Cheap Ottawa to Houston flight deals and tips

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

Direct flights	None

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 03m, 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 November 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
Air Canada	PriceFrom $290	Free Cancellation	Rating 7.1 10,409 reviews		Search Air Canada flights
United Airlines	PriceFrom $354	Free Cancellation	Rating 7.4 9,002 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.