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?

WestJet is the most popular carrier 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 August 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.

$199 Cheap Flights from Ottawa to Houston in 2025

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Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

Cheap round-trip flights

7:00 am - 6:12 pmYOW-IAH

12h 12m2 stops

3:00 pm - 1:00 pmIAH-YOW

21h 00m1 stop

$352

Find Deal

Wed, Sep 17 - Fri, Sep 26

7:15 pm - 2:10 pmYOW-IAH

19h 55m1 stop

8:00 am - 6:45 amIAH-YOW

21h 45m1 stop

$353WestJet

Find Deal

Fri, Sep 19 - Tue, Sep 23

3:45 pm - 10:43 pmYOW-IAH

31h 58m1 stop

8:00 am - 12:40 amIAH-YOW

15h 40m1 stop

$359WestJet

Find Deal

Thu, Sep 18 - Mon, Sep 22

5:15 pm - 2:10 pmYOW-IAH

21h 55m2 stops

3:00 pm - 6:45 amIAH-YOW

14h 45m1 stop

$362WestJet

Find Deal

Fri, Sep 19 - Tue, Sep 23

9:20 am - 5:42 pmYOW-IAH

9h 22m1 stop

1:35 pm - 12:40 amIAH-YOW

10h 05m1 stop

$366

Find Deal

Sat, Nov 8 - Mon, Nov 10

6:33 am - 1:28 pmYOW-IAH

7h 55m1 stop

4:51 pm - 9:58 amIAH-YOW

16h 07m2 stops

$624United Airlines

Find Deal

Mon, Sep 29 - Mon, Sep 29

5:15 am - 11:04 amYOW-IAH

6h 49m1 stop

10:00 am - 7:04 pmIAH-YOW

8h 04m1 stop

$630Air Canada

Find Deal

Thu, Oct 9 - Sun, Oct 12

5:25 pm - 10:41 pmYOW-IAH

6h 16m1 stop

7:30 am - 2:26 pmIAH-YOW

5h 56m1 stop

$788United Airlines

Find Deal

Wed, Sep 3 - Thu, Sep 18

5:55 am - 9:09 pmYOW-IAH

16h 14m2 stops

1:29 pm - 12:22 amIAH-YOW

9h 53m2 stops

$1,076Delta

Find Deal

Thu, Oct 9 - Sun, Oct 12

5:55 am - 5:48 pmYOW-HOU

12h 53m2 stops

2:22 pm - 12:42 amHOU-YOW

9h 20m2 stops

$1,142Delta

Find Deal

Wed, Oct 22 - Sun, Oct 26

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets

Delta

Oct 9

YOW5:55 amOttawa

16h 14m

2 stops

IAH9:09 pmHouston George Bush Intcntl

Oct 12

IAH1:29 pmHouston George Bush Intcntl

9h 53m

2 stops

YOW12:22 amOttawa

$1,076

Find similar

Delta

Oct 22

YOW5:55 amOttawa

12h 53m

2 stops

HOU5:48 pmHouston Hobby

Oct 26

HOU2:22 pmHouston Hobby

9h 20m

2 stops

YOW12:42 amOttawa

$1,142

Find similar

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

Sep 19

YOW7:15 pmOttawa

19h 55m

1 stop

IAH2:10 pmHouston George Bush Intcntl

Sep 23

IAH8:00 amHouston George Bush Intcntl

21h 45m

1 stop

YOW6:45 amOttawa

$353

Find similar

WestJet

Sep 18

YOW3:45 pmOttawa

31h 58m

1 stop

IAH10:43 pmHouston George Bush Intcntl

Sep 22

IAH8:00 amHouston George Bush Intcntl

15h 40m

1 stop

YOW12:40 amOttawa

$359

Find similar

WestJet

Sep 19

YOW5:15 pmOttawa

21h 55m

2 stops

IAH2:10 pmHouston George Bush Intcntl

Sep 23

IAH3:00 pmHouston George Bush Intcntl

14h 45m

1 stop

YOW6:45 amOttawa

$362

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 9/17

7:00 am-6:12 pm

2 stops12h 12m

Houston George Bush Intcntl

Fri 9/26

3:00 pm-1:00 pm

1 stop21h 00m

$352

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 9/19

7:15 pm-2:10 pm

1 stop19h 55m

Houston George Bush Intcntl

Tue 9/23

8:00 am-6:45 am

1 stop21h 45m

$353

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 9/18

3:45 pm-10:43 pm

1 stop31h 58m

Houston George Bush Intcntl

Mon 9/22

8:00 am-12:40 am

1 stop15h 40m

$359

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 9/19

5:15 pm-2:10 pm

2 stops21h 55m

Houston George Bush Intcntl

Tue 9/23

3:00 pm-6:45 am

1 stop14h 45m

$362

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 11/8

9:20 am-5:42 pm

1 stop9h 22m

Houston George Bush Intcntl

Mon 11/10

1:35 pm-12:40 am

1 stop10h 05m

$366

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 9/29

6:33 am-1:28 pm

1 stop7h 55m

Houston George Bush Intcntl

Mon 9/29

4:51 pm-9:58 am

2 stops16h 07m

$624

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/9

5:15 am-11:04 am

1 stop6h 49m

Houston George Bush Intcntl

Sun 10/12

10:00 am-7:04 pm

1 stop8h 04m

$630

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 9/3

5:25 pm-10:41 pm

1 stop6h 16m

Houston George Bush Intcntl

Thu 9/18

7:30 am-2:26 pm

1 stop5h 56m

$788

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/9

5:55 am-9:09 pm

2 stops16h 14m

Houston George Bush Intcntl

Sun 10/12

1:29 pm-12:22 am

2 stops9h 53m

$1,076

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 10/22

5:55 am-5:48 pm

2 stops12h 53m

Houston Hobby

Sun 10/26

2:22 pm-12:42 am

2 stops9h 20m

$1,142

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 May is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around $564. The month of September is another great option to travel to Houston, with average flight prices from Ottawa averaging around $571.

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 $671 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 $488 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.

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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 16m, 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 August 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 $481	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights
United Airlines	PriceFrom $526	Free Cancellation	Rating 7.4 8,944 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.